TDG


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:Revenues
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, tdg:SalesMarketType
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidatedEntities
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:InterestExpense

us-gaap:GrossProfit
us-gaap:ConsolidatedEntities

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidatedEntities

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidatedEntities
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ConsolidatedEntities

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidatedEntities

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupClassification

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:AccountsReceivableNetCurrent
us-gaap:ConsolidatedEntities

us-gaap:InventoryNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:InventoryFinishedGoods

us-gaap:PrepaidExpenseAndOtherAssetsCurrent
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
us-gaap:ConsolidationItems

us-gaap:Goodwill
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidatedEntities
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OtherAssetsNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebtCurrent
us-gaap:ConsolidatedEntities
us-gaap:ShortTermDebtType

us-gaap:AccountsPayableCurrent
us-gaap:ConsolidatedEntities

us-gaap:LongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:ShortTermDebtType

us-gaap:LongTermDebtNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:OtherLiabilitiesNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
us-gaap:ConsolidationItems
us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividends
us-gaap:ConsolidatedEntities

us-gaap:PaymentsOfDividends
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensation
us-gaap:ConsolidationItems

us-gaap:UnrecognizedTaxBenefits

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems
tdg:AcquisitionRelatedCosts

tdg:AggregateAmortizationofIntangibleAssets

tdg:DiscontinuedOperationsnetoftaxcashflows

tdg:DividendEquivalentPaymentsOnCertainStockOptions
us-gaap:StatementEquityComponents

tdg:EarningsBeforeInterestTaxesDepreciationAndAmortization
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

tdg:FiniteLivedIntangibleAssetsAndProductDevelopmentCostAmortizedAmount
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
tdg:Incomelossfromdiscontinuedoperationsbeforegainorlossondisposalnetoftax

tdg:InventoryStepupAmortization

tdg:Losscontractsamortization
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents
tdg:Lossesfromsettlementofforeigncurrencyforwardcontracts

tdg:NetIncomeLossAttributabletoContinuingOperationsAvailableToCommonStockholdersBasicAndVestedOptionsDeemedParticipatingSecurities

tdg:NetIncomeLossAvailableToCommonStockholdersBasicAndVestedOptionsDeemedParticipatingSecurities

tdg:Proceedspaymentsmadefromsalepurchaseofdiscontinuedoperations
us-gaap:ConsolidatedEntities

tdg:RefinancingCosts
us-gaap:ConsolidatedEntities

tdg:Refinancingcostsincludingwriteoffofdeferreddebtissuancecost

tdg:VestedOptionsDeemedParticipatingSecurities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfIntangibleAssets
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:ConsolidatedEntities

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare

us-gaap:EarningsPerShareBasicAndDiluted

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
us-gaap:ConsolidatedEntities
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:ConsolidatedEntities
us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedLiabilities

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:InterestIncomeExpenseNet
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:InterestPaidNet

us-gaap:LeaseCost

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
us-gaap:ConsolidatedEntities

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:ConsolidationItems
us-gaap:OtherNonrecurringExpense

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIssuanceOfSubordinatedLongTermDebt

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
us-gaap:ConsolidatedEntities
us-gaap:ConsolidatedEntities
us-gaap:ProceedsFromRepaymentsOfRelatedPartyDebt
us-gaap:ConsolidationItems

us-gaap:ProceedsFromStockOptionsExercised
us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfSeniorDebt
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted

tdg:DebtInstrumentUnamortizedDiscountExcludingCurrentMaturities

tdg:DeferredFinanceCostsExcludingCurrentMaturities
us-gaap:BalanceSheetLocation
tdg:ForeignCurrencyContractAsset
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LongtermDebtType
tdg:Governmentrefundableadvances
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
tdg:IndefiniteLivedIntangibleAssetsExcludingGoodwillGross

tdg:IntangibleAssetsAccumulatedAmortization
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
tdg:IntangibleAssetsExcludingGoodwillNet
us-gaap:BalanceSheetLocation
tdg:InterestRateCashFlowHedgeAssetatCarryingValue
us-gaap:BalanceSheetLocation
tdg:InterestRateSwapLiabilitiesCarryingAmount
us-gaap:ShortTermDebtType
tdg:LongtermDebtCurrentMaturitiesGross

tdg:LongtermDebtExcludingCurrentMaturitiesGross

tdg:NetContractAsset
us-gaap:ShortTermDebtType
tdg:ShorttermBankLoansandNotesPayableGross

us-gaap:AccruedLiabilitiesCurrent
us-gaap:ConsolidatedEntities

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:LongtermDebtType
us-gaap:CapitalLeaseObligations
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetNoncurrent

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentFaceAmount
us-gaap:ShortTermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:ShortTermDebtType

us-gaap:DeferredIncomeTaxLiabilities
us-gaap:ConsolidatedEntities

us-gaap:DeferredTaxAssetsGross
us-gaap:ConsolidatedEntities
us-gaap:ConsolidationItems

us-gaap:DerivativeAssetFairValueGrossLiability
us-gaap:DerivativeInstrumentRisk
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeBasisSpreadOnVariableRate
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeCapInterestRate

us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeFixedInterestRate
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeVariableInterestRate

us-gaap:FinanceLeaseLiability
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InterestPayableCurrent
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:InterestRateCashFlowHedgeAssetAtFairValue
us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue

us-gaap:InventoryGross

us-gaap:InventoryRawMaterials

us-gaap:InventoryValuationReserves

us-gaap:InventoryWorkInProcess

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:LongTermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ShortTermDebtType
us-gaap:LongtermDebtType
us-gaap:BusinessAcquisition
us-gaap:LossContingencyAccrualAtCarryingValue
us-gaap:BusinessAcquisition
us-gaap:LossContingencyAccrualCarryingValueCurrent
us-gaap:BusinessAcquisition
us-gaap:LossContingencyAccrualCarryingValueNoncurrent

us-gaap:OperatingLeaseLiability

us-gaap:ShortTermBankLoansAndNotesPayable
us-gaap:ConsolidatedEntities
us-gaap:ShortTermDebtType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ShortTermDebtType
us-gaap:ShorttermDebtFairValue

us-gaap:TreasuryStockShares
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Tables

  2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
us-gaap:CommonStockValue ██▁▁▁▁▁▁1000000.01000000.0576000.0575000.0573000.0570000.0569000.0567000.0
us-gaap:CommonStockSharesIssued ██████▁▁5757575757575656
 us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock█▄▄▄▄▄▁▁5857575757575656
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▄▄5353NA535252NA52
  2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
us-gaap:Revenues ▆▆▅█▃▁▂▁144314651375165811689931049980
 us-gaap:Revenues us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries▆▆▆█▃▁▂1119113011221226946809874NA
 us-gaap:Revenues us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries▅▅▃█▂▁▁343347232494216162151NA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,tdg:Airframe▇▇██▃▁▂▁655674720711499399429398
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,tdg:PowerAndControl▇▇██▄▁▂▁747752775768631560581546
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,tdg:SalesMarketType us-gaap:OperatingSegments,tdg:Airframe,tdg:CommercialAftermarket▅█▃▃▄▁▂▁220245192197203177189179
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,tdg:SalesMarketType us-gaap:OperatingSegments,tdg:Airframe,tdg:CommercialOEM█▇▃▂▄▁▁▁243230160153176133140137
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,tdg:SalesMarketType us-gaap:OperatingSegments,tdg:Airframe,tdg:Defense██▂▂▃▁▂▁192199104103120899882
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,tdg:SalesMarketType us-gaap:OperatingSegments,tdg:PowerAndControl,tdg:CommercialAftermarket█▇▄▄▄▁▂▃225220185185186157165180
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,tdg:SalesMarketType us-gaap:OperatingSegments,tdg:PowerAndControl,tdg:CommercialOEM█▇▂▂▃▁▁▁191184143142146133130130
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments,tdg:SalesMarketType us-gaap:OperatingSegments,tdg:PowerAndControl,tdg:Defense▇█▆▅▅▃▄▁331348310293299270284235
us-gaap:CostOfGoodsAndServicesSold ▄▅▃█▃▁▂▁625664551896536429452411
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries▅▅▆█▃▁▂473480486561386338357NA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries▄▄▂█▂▁▁1882161293591308788NA
us-gaap:SellingGeneralAndAdministrativeExpense ▄▅▄█▃▁▁▁180201186274164122123113
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries▂▂▂▃▂▁█9697911108364225NA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries▇▇▇█▆▆▁475035711717-137NA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:Subsidiaries▁▃▄█▄▂▁37545997604135NA
us-gaap:GrossProfit █▇█▆▄▁▂▁818801824761659564597569
 us-gaap:GrossProfit us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries▇▇▇█▄▁▃646650636665560471516NA
 us-gaap:GrossProfit us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries█▆▄▆▃▂▁155131103135867562NA
us-gaap:SellingGeneralAndAdministrativeExpense ▄▅▄█▃▁▁▁180201186274164122123113
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries▂▂▂▃▂▁█9697911108364225NA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries▇▇▇█▆▆▁475035711717-137NA
 us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities srt:Subsidiaries▁▃▄█▄▂▁37545997604135NA
us-gaap:OperatingIncomeLoss █▇█▂▃▁▂▂592560587445471421455437
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries████▆▄▁520523512523460389274NA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries▃▂▂▁▂▂█927158436656197NA
us-gaap:OtherNonoperatingIncomeExpense ▄█▁▆▄▄▄▄03-310000
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries█▁█0-160NANANA-155NA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidatedEntities srt:Subsidiaries▄█▁231NANANA1NA
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidatedEntities tdg:TransDigmUK▁█▁0180NANANA0NA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▂█▁▇▅▅▅▄-10698-14251-12-11-5-32
us-gaap:IncomeLossFromContinuingOperations █▄▇▁▃▃▄▄323233296144202196230217
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▆█▁▄▃▅▄337293340205267249281265
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidatedEntities srt:GuarantorSubsidiaries▂▂▂█▂▁▁5355265131120463389428NA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidatedEntities srt:NonGuarantorSubsidiaries███▁███856166-527666674NA
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us-gaap:PaymentsOfDividends █▁▇▁▁▁▁▁1864641687002400
 us-gaap:PaymentsOfDividends us-gaap:ConsolidatedEntities srt:ParentCompany█▁▇▁▁▁▁186464168700240NA
  2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities srt:Subsidiaries█▁▄▄1187-1168-19-95NANA19NA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType tdg:SeniorSecuredNotes400MDue20266.25,us-gaap:SeniorNotes0.0625NANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType tdg:Seniorsubordinatednotesdue20266.875,us-gaap:SeniorSubordinatedNotes▄▄▄▄▄▄▄▄0.068750.068750.068750.068750.068750.068750.068750.06875

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value1000000.01000000.0576000.0575000.0573000.0570000.0569000.0567000.0565000.0563000.0561000.0560000.0560000.0558000.0558000.0557000.0554000.0553000.0551000.0549000.0547000.0540000.0538000.0535000.0534000.0532000.0532000.0530000.0529000.0525000.0521000.0519000.0515000.0511000.0508000.0506000.0505000.0501000.0499000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Shares Outstanding

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value575757575757565656565656555555555555555454545353535353535252525151515050505049
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-09-302012-09-302011-09-30
Value58575757575756565656565655555555555555545454535353535250
Percentage of CommonStockSharesIssued100.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

Common Stock Shares Authorized

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-06-302018-03-312017-12-302017-07-012017-04-012016-12-312016-07-022016-04-022016-01-022015-06-272015-03-282014-12-27
Value5353535252525252515253535353535252
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value144314651375165811689931049980
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value1119113011221226946809874
Percentage of Revenues77.577.181.674.081.081.583.3
Percentage of Revenues77.577.181.674.081.081.583.3
Percentage of Revenues srt:GuarantorSubsidiaries100.0100.0100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value343347232494216162151
Percentage of Revenues23.823.716.929.818.516.314.4
Percentage of Revenues23.823.716.929.818.516.314.4
Percentage of Revenues srt:NonGuarantorSubsidiaries100.0100.0100.0100.0100.0100.0100.0

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value001541152111679931049980933847
Percentage of Revenues0.00.0112.091.7100.0100.0100.0100.00.00.0
Percentage of Revenues0.00.0112.091.7100.0100.0100.0100.00.00.0
Percentage of Revenues srt:ParentCompany0.00.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value39454948474144
Percentage of Revenues2.73.13.62.94.04.14.2
Percentage of Revenues2.73.13.62.94.04.14.2
Percentage of Revenues srt:Subsidiaries100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-58-57-29-83-41-19-20
Percentage of Revenues-4.0-3.9-2.1-5.0-3.5-1.9-1.9
Percentage of Revenues-4.0-3.9-2.1-5.0-3.5-1.9-1.9
Percentage of Revenues srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, tdg:Airframe



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value655674720711499399429398
Percentage of Revenues45.446.052.342.942.740.240.940.6
Percentage of Revenues45.446.052.342.942.740.240.940.6
Percentage of Revenues us-gaap:OperatingSegments tdg:Airframe100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:NonAviationRelatedBusiness



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value4139-11917838343935
Percentage of Revenues2.82.7-8.710.73.33.43.73.6
Percentage of Revenues2.82.7-8.710.73.33.43.73.6
Percentage of Revenues us-gaap:OperatingSegments tdg:NonAviationRelatedBusiness100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:PowerAndControl



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value747752775768631560581546
Percentage of Revenues51.851.356.446.354.056.455.455.8
Percentage of Revenues51.851.356.446.354.056.455.455.8
Percentage of Revenues us-gaap:OperatingSegments tdg:PowerAndControl100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, tdg:SalesMarketType

us-gaap:OperatingSegments, tdg:Airframe, tdg:CommercialAftermarket



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value220245192197203177189179
Percentage of Revenues15.216.714.011.917.417.818.118.3
Percentage of Revenues15.216.714.011.917.417.818.118.3
Percentage of Revenues us-gaap:OperatingSegments tdg:Airframe tdg:CommercialAftermarket100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:Airframe, tdg:CommercialOEM



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value243230160153176133140137
Percentage of Revenues16.815.711.69.215.113.413.414.0
Percentage of Revenues16.815.711.69.215.113.413.414.0
Percentage of Revenues us-gaap:OperatingSegments tdg:Airframe tdg:CommercialOEM100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:Airframe, tdg:Defense



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value192199104103120899882
Percentage of Revenues13.313.67.66.210.39.09.48.4
Percentage of Revenues13.313.67.66.210.39.09.48.4
Percentage of Revenues us-gaap:OperatingSegments tdg:Airframe tdg:Defense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:PowerAndControl, tdg:CommercialAftermarket



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value225220185185186157165180
Percentage of Revenues15.615.013.511.215.915.815.818.4
Percentage of Revenues15.615.013.511.215.915.815.818.4
Percentage of Revenues us-gaap:OperatingSegments tdg:PowerAndControl tdg:CommercialAftermarket100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:PowerAndControl, tdg:CommercialOEM



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value191184143142146133130130
Percentage of Revenues13.212.610.48.612.513.412.513.4
Percentage of Revenues13.212.610.48.612.513.412.513.4
Percentage of Revenues us-gaap:OperatingSegments tdg:PowerAndControl tdg:CommercialOEM100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:PowerAndControl, tdg:Defense



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value331348310293299270284235
Percentage of Revenues22.923.822.617.725.627.227.124.0
Percentage of Revenues22.923.822.617.725.627.227.124.0
Percentage of Revenues us-gaap:OperatingSegments tdg:PowerAndControl tdg:Defense100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

tdg:SouriauSunbankandEIT



Period End2020-03-282019-03-30
Value028
Percentage of Revenues0.02.4
Percentage of Revenues0.02.4
Percentage of Revenues tdg:SouriauSunbankandEIT0.0100.0

Sales Revenue Net

Sales Revenue Goods Net

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value625664551896536429452411398371381385382369390354371327382331331277265293283283283245257219206191205208187152149142142152112919081
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues43.345.340.154.145.943.243.141.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value473480486561386338357
Percentage of CostOfGoodsAndServicesSold75.772.388.262.671.978.879.1
Percentage of Revenues32.832.835.333.833.034.034.1
Percentage of Revenues srt:GuarantorSubsidiaries42.342.543.345.840.841.840.9

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value1882161293591308788
Percentage of CostOfGoodsAndServicesSold30.132.523.540.124.220.319.6
Percentage of Revenues13.014.79.421.711.18.88.4
Percentage of Revenues srt:NonGuarantorSubsidiaries54.862.255.672.660.253.758.6

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value2125-3478432326
Percentage of CostOfGoodsAndServicesSold3.43.8-6.38.78.05.45.8
Percentage of Revenues1.51.7-2.54.73.72.32.5
Percentage of Revenues srt:Subsidiaries53.855.6-69.9161.391.556.159.2

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-58-57-29-83-41-19-20
Percentage of CostOfGoodsAndServicesSold-9.3-8.6-5.3-9.3-7.6-4.4-4.5
Percentage of Revenues-4.0-3.9-2.1-5.0-3.5-1.9-1.9
Percentage of Revenues srt:ConsolidationEliminations100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value1802011862741641221231131071061001101021011119495829881817467767171715761825555545649413831313331232322
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.513.713.616.614.112.311.711.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value9697911108364225
Percentage of SellingGeneralAndAdministrativeExpense53.348.349.240.150.552.4183.3
Percentage of Revenues6.76.66.76.67.16.421.5
Percentage of Revenues srt:GuarantorSubsidiaries8.68.68.29.08.87.925.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value475035711717-137
Percentage of SellingGeneralAndAdministrativeExpense26.124.918.825.910.313.9-111.7
Percentage of Revenues3.33.42.64.31.51.7-13.1
Percentage of Revenues srt:NonGuarantorSubsidiaries13.714.415.114.47.910.5-90.9

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value37545997604135
Percentage of SellingGeneralAndAdministrativeExpense20.626.931.935.736.533.628.8
Percentage of Revenues2.63.74.35.95.14.13.4
Percentage of Revenues srt:Subsidiaries94.9120.0119.4201.8127.7100.079.6

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value00000000000
Percentage of SellingGeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestExpense

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value-1-100-20001100
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.1-0.1-0.0-0.20.10.10.10.00.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-09-302010-07-032010-04-032010-04-032010-01-02
Value818801824761659564597569534476527521491444484443425374427359359341321348327307307284282268259238256253236199193183183158127132122115115103
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues56.754.759.945.956.456.856.958.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value646650636665560471516
Percentage of GrossProfit79.081.177.287.484.983.586.5
Percentage of Revenues44.844.446.340.147.947.449.2
Percentage of Revenues srt:GuarantorSubsidiaries57.757.556.754.259.258.259.1

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value155131103135867562
Percentage of GrossProfit18.916.412.517.813.013.310.5
Percentage of Revenues10.78.97.58.27.47.66.0
Percentage of Revenues srt:NonGuarantorSubsidiaries45.237.844.427.439.846.341.4

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value00882713649564597569534476
Percentage of GrossProfit0.00.0107.093.698.6100.0100.0100.0100.0100.0
Percentage of Revenues0.00.064.143.055.656.856.958.10.00.0
Percentage of Revenues srt:ParentCompany0.00.057.246.955.756.856.958.157.256.2

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value182084-2941818
Percentage of GrossProfit2.22.510.3-3.90.63.23.0
Percentage of Revenues1.21.46.2-1.80.31.81.7
Percentage of Revenues srt:Subsidiaries46.244.4169.9-61.38.543.940.8

Operating Expenses

Research And Development Expense

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value1802011862741641221231131071061001101021011119495829881817467767171715761825555545649413831313331232322
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.513.713.616.614.112.311.711.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value9697911108364225
Percentage of SellingGeneralAndAdministrativeExpense53.348.349.240.150.552.4183.3
Percentage of Revenues6.76.66.76.67.16.421.5
Percentage of Revenues srt:GuarantorSubsidiaries8.68.68.29.08.87.925.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value475035711717-137
Percentage of SellingGeneralAndAdministrativeExpense26.124.918.825.910.313.9-111.7
Percentage of Revenues3.33.42.64.31.51.7-13.1
Percentage of Revenues srt:NonGuarantorSubsidiaries13.714.415.114.47.910.5-90.9

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value37545997604135
Percentage of SellingGeneralAndAdministrativeExpense20.626.931.935.736.533.628.8
Percentage of Revenues2.63.74.35.95.14.13.4
Percentage of Revenues srt:Subsidiaries94.9120.0119.4201.8127.7100.079.6

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value00000000000
Percentage of SellingGeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value59256058744547142145543740935340838736631734933031227631326326325624025823921821821020517619417219118517714514213913911321958876
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues41.038.242.726.840.442.543.444.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value520523512523460389274
Percentage of OperatingIncomeLoss87.893.487.1117.697.592.260.3
Percentage of Revenues36.035.737.231.639.439.226.2
Percentage of Revenues srt:GuarantorSubsidiaries46.546.345.642.748.648.131.4

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value927158436656197
Percentage of OperatingIncomeLoss15.512.79.99.814.013.343.4
Percentage of Revenues6.44.84.22.65.75.618.9
Percentage of Revenues srt:NonGuarantorSubsidiaries26.820.525.18.830.634.6130.9

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-19-3417-118-58-23-17
Percentage of OperatingIncomeLoss-3.2-6.12.9-26.7-12.3-5.5-3.8
Percentage of Revenues-1.3-2.31.2-7.2-5.0-2.3-1.7
Percentage of Revenues srt:Subsidiaries-48.7-75.634.4-244.5-123.4-56.1-39.2

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value00000000000
Percentage of OperatingIncomeLoss0.00.00.0-0.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.00.0-0.00.00.00.00.00.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:InterestExpense

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value-1-100-20001100
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.1-0.1-0.1-0.0-0.20.10.10.10.00.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value03-310000
Percentage of OtherNonoperatingIncomeExpense0.0100.0100.0100.00.00.0100.0100.0
Percentage of Revenues0.00.2-0.20.10.00.00.0-0.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302018-09-30
Value-2-2-3154
Percentage of OtherNonoperatingIncomeExpense0.0-66.7116.734672.2
Percentage of Revenues-0.1-0.1-0.314.7
Percentage of Revenues srt:GuarantorSubsidiaries-0.2-0.2-0.317.7

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302018-09-30
Value0-160-155
Percentage of OtherNonoperatingIncomeExpense0.0-533.326.7-34903.4
Percentage of Revenues0.0-1.1-0.1-14.8
Percentage of Revenues srt:NonGuarantorSubsidiaries0.0-4.6-0.3-103.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302018-09-30
Value2311
Percentage of OtherNonoperatingIncomeExpense0.0100.0-43.4331.2
Percentage of Revenues0.10.20.10.1
Percentage of Revenues srt:Subsidiaries5.16.72.63.3

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302018-09-30
Value01800
Percentage of OtherNonoperatingIncomeExpense0.0600.0-0.00.0
Percentage of Revenues0.01.20.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.0

Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-31
Value-10698-14251-12-11-5-3223517248-28-7-204-8-71717-24-10-14033291-824-52-3
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-7.36.7-10.43.1-1.1-1.1-0.6-3.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-30
Value-1069851-12-11-5-3223517-28-7-8-712-24-10-1403291-824
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.075.999.8100.0100.0100.0100.0100.0100.099.9100.0100.0100.0
Percentage of Revenues-7.36.73.1-1.1-1.1-0.6-3.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-03
Value3232332961442021962302172013121841691551188790816564585836-74438
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.415.921.58.717.319.721.922.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value3372933402052672492812652471902482352151382091942001641991381381561411612013613612912411499109
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.420.024.712.422.925.226.927.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value5355265131120463389428
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest158.8179.5151.0545.3173.3155.7151.9
Percentage of Revenues37.135.937.467.639.639.240.8
Percentage of Revenues srt:GuarantorSubsidiaries47.846.545.891.448.948.149.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value856166-527666674
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest25.220.819.6-256.924.726.426.4
Percentage of Revenues5.94.24.9-31.85.76.67.1
Percentage of Revenues srt:NonGuarantorSubsidiaries24.817.628.7-106.730.640.749.3

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value319304346144202196228
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest94.7103.8101.970.575.678.581.2
Percentage of Revenues22.120.825.28.717.319.721.8
Percentage of Revenues srt:ParentCompany0.00.022.59.517.319.721.8

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value319190354278139125176
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest94.764.8104.0135.752.050.062.7
Percentage of Revenues22.113.025.716.811.912.616.8
Percentage of Revenues srt:Subsidiaries817.9422.2710.5574.9295.7304.9396.5

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-99-8-106-4-4-4-2000
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-2.73.1-2.6-52.1-1.7-1.9-1.6-1.00.00.00.0
Percentage of Revenues-0.60.6-0.6-6.5-0.4-0.5-0.4-0.30.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-913-797-932-699-603-521-621
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest-270.9-272.0-273.9-340.5-225.7-208.6-220.6
Percentage of Revenues-63.3-54.4-67.8-42.2-51.6-52.5-59.2
Percentage of Revenues srt:ConsolidationEliminations1574.11398.23184.7842.21470.72742.13041.5

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312011-09-302011-07-022011-04-022011-01-01
Value323234297144202196230217201645836-7
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.416.021.68.717.319.721.922.20.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value5314764381242332
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest164.4203.4147.4859.3144.3
Percentage of Revenues36.832.531.974.931.7
Percentage of Revenues srt:GuarantorSubsidiaries47.542.139.1101.338.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value755299-57766
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest23.222.233.4-399.728.9
Percentage of Revenues5.23.57.2-34.96.3
Percentage of Revenues srt:NonGuarantorSubsidiaries21.915.042.7-116.844.0

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value323304317144200196230217201312
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0129.9106.6100.098.7100.0100.0100.0100.00.0
Percentage of Revenues22.420.823.18.717.119.721.922.20.00.0
Percentage of Revenues srt:ParentCompany0.00.020.69.517.119.721.922.221.636.8

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value319190354144228
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest98.881.2119.0100.299.3
Percentage of Revenues22.113.025.78.721.8
Percentage of Revenues srt:Subsidiaries817.9422.2710.5298.7513.3

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292018-09-302018-06-30
Value-99-8-106-4-2
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-2.83.8-3.0-74.0-1.9-1.2
Percentage of Revenues-0.60.6-0.6-6.5-0.4-0.3
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-913-797-932-699-621
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest-282.7-340.6-313.3-484.0-270.0
Percentage of Revenues-63.3-54.4-67.8-42.2-59.2
Percentage of Revenues srt:ConsolidationEliminations1574.11398.23184.7842.23041.5

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Loss From Continuing Operations Attributable To Noncontrolling Entity

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value145942606453514845-12163665920165362495839394546474454543403731354840433129303020-3232117
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.04.03.13.75.55.44.94.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value45075-12111511995
Percentage of IncomeTaxExpenseBenefit28.684.7175.7-200.1178.2221.5185.6
Percentage of Revenues0.33.45.5-7.49.812.09.1
Percentage of Revenues srt:GuarantorSubsidiaries0.44.46.7-9.912.214.710.9

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value109-32501167
Percentage of IncomeTaxExpenseBenefit71.415.3-75.782.217.011.215.4
Percentage of Revenues0.70.6-2.43.00.90.60.8
Percentage of Revenues srt:NonGuarantorSubsidiaries2.92.6-13.910.15.13.75.2

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value000134-63-71-52
Percentage of IncomeTaxExpenseBenefit0.00.00.0220.0-97.6-132.2-100.9
Percentage of Revenues0.00.00.08.1-5.4-7.2-5.0
Percentage of Revenues srt:Subsidiaries0.00.00.0276.2-134.0-173.2-116.8

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-02
Value1542931621182566560270380
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.72.02.33.810.20.20.56.80.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value319305348144202196228217196314
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.120.825.38.717.319.721.822.20.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-28
Value531476
Percentage of ProfitLoss166.5156.1
Percentage of Revenues36.832.5
Percentage of Revenues srt:GuarantorSubsidiaries47.542.1

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-28
Value729
Percentage of ProfitLoss22.63.0
Percentage of Revenues5.00.6
Percentage of Revenues srt:NonGuarantorSubsidiaries21.02.6

srt:ParentCompany



Period End2020-03-282019-12-28
Value319304
Percentage of ProfitLoss100.099.7
Percentage of Revenues22.120.8
Percentage of Revenues srt:ParentCompany0.00.0

srt:Subsidiaries



Period End2020-03-282019-12-28
Value319304
Percentage of ProfitLoss100.099.7
Percentage of Revenues22.120.8
Percentage of Revenues srt:Subsidiaries817.9675.6

tdg:TransDigmUK



Period End2020-03-282019-12-28
Value-99
Percentage of ProfitLoss-2.83.0
Percentage of Revenues-0.60.6
Percentage of Revenues tdg:TransDigmUK0.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-28
Value-913-797
Percentage of ProfitLoss-286.2-261.3
Percentage of Revenues-63.3-54.4
Percentage of Revenues srt:ConsolidationEliminations1574.11398.2

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value200110000000
Percentage of ProfitLoss0.60.00.11.00.70.30.30.20.50.20.00.0
Percentage of Revenues0.10.00.00.10.10.10.10.00.00.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-01-01
Value684311431251261102561872643381811851651291801121241141041241247274959898992907858769183836061-5
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.729.410.47.610.811.224.419.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value5304814361242348282332
Percentage of ComprehensiveIncomeNetOfTax779.4111.6303.9988.7275.4254.2129.5
Percentage of Revenues36.732.831.775.029.828.431.7
Percentage of Revenues srt:GuarantorSubsidiaries47.442.638.9101.336.834.938.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-2914017-490-294762
Percentage of ComprehensiveIncomeNetOfTax-42.632.512.1-390.1-22.942.424.3
Percentage of Revenues-2.09.61.3-29.6-2.54.75.9
Percentage of Revenues srt:NonGuarantorSubsidiaries-8.540.37.5-99.1-13.429.041.3

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value68431143126126111256
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.299.7100.0100.0
Percentage of Revenues4.729.410.47.610.811.224.4
Percentage of Revenues srt:ParentCompany0.00.09.38.310.811.224.4

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value15434710325153122257
Percentage of ComprehensiveIncomeNetOfTax226.580.57.4259.1121.1110.0100.3
Percentage of Revenues10.723.70.819.613.112.324.5
Percentage of Revenues srt:Subsidiaries394.9771.121.4671.5325.5297.6577.5

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-99-8-106-4-4-4-2000
Percentage of ComprehensiveIncomeNetOfTax-13.22.1-6.2-85.1-3.7-4.2-1.7-1.40.00.00.0
Percentage of Revenues-0.60.6-0.6-6.5-0.4-0.5-0.4-0.30.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-646-977-455-971-468-446-647
Percentage of ComprehensiveIncomeNetOfTax-950.0-226.7-317.2-772.4-370.4-402.0-252.4
Percentage of Revenues-44.8-66.7-33.1-58.6-40.1-44.9-61.7
Percentage of Revenues srt:ConsolidationEliminations1113.81714.01556.41168.41141.52347.43167.8

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-09-302010-07-032010-04-032010-04-032010-01-02
Value31930434614420219622821719631415316915511819214013811414199991109511416909086847667748790816567565655-75044383830
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.120.825.28.717.319.721.822.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value5314764381242348270332
Percentage of NetIncomeLoss166.5156.6126.5860.3171.9137.7145.2
Percentage of Revenues36.832.531.974.929.827.231.7
Percentage of Revenues srt:GuarantorSubsidiaries47.542.139.1101.336.833.438.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value728155-580576065
Percentage of NetIncomeLoss22.62.644.9-401.828.230.628.5
Percentage of Revenues5.00.511.3-35.04.96.06.2
Percentage of Revenues srt:NonGuarantorSubsidiaries21.02.367.0-117.326.437.043.1

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value319304346144202196228217196314
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.120.825.28.717.319.721.822.20.00.0
Percentage of Revenues srt:ParentCompany0.00.022.59.517.319.721.822.221.037.1

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value319304346144202196228
Percentage of NetIncomeLoss100.0100.0100.0100.399.8100.0100.0
Percentage of Revenues22.120.825.28.717.319.721.8
Percentage of Revenues srt:Subsidiaries817.9675.6695.9298.7429.8478.0513.3

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-99-8-106-4-4-4-2000
Percentage of NetIncomeLoss-2.83.0-2.6-74.1-2.3-2.4-1.9-1.20.00.00.0
Percentage of Revenues-0.60.6-0.6-6.5-0.4-0.5-0.4-0.30.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-913-797-932-699-603-521-621
Percentage of NetIncomeLoss-286.2-262.2-268.8-484.5-297.9-265.8-271.8
Percentage of Revenues-63.3-54.4-67.8-42.2-51.6-52.5-59.2
Percentage of Revenues srt:ConsolidationEliminations1574.11398.23184.7842.21470.72742.13041.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-01-01
Value-319-3041442021962282171963141531181921141419911095114169086847667748765-7
Percentage of NetIncomeLoss-100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-22.1-20.88.717.319.721.822.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0-1000000.0-1157000.0-160000.00.00.00.00.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.0100.0100.0100.00.00.00.00.0
Percentage of Revenues0.0-0.1-0.1-0.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-28
Value0.0-1000000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.0100.0
Percentage of Revenues0.0-0.1
Percentage of Revenues srt:NonGuarantorSubsidiaries0.0-0.3

Assets

us-gaap:Assets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value166351815616254177021779712389121971180410394101129975103161018710037107261057083598329842783507226691367566710639962926148581256945549545953055199454545134385438642122677
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2940727171258202112616993
Percentage of Assets176.8149.7158.8119.3139.3
Percentage of Assets176.8149.7158.8119.3139.3
Percentage of Assets srt:GuarantorSubsidiaries100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value135971118512419109744164
Percentage of Assets81.761.676.462.034.1
Percentage of Assets81.761.676.462.034.1
Percentage of Assets srt:NonGuarantorSubsidiaries100.0100.0100.0100.0100.0

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-4209-4303-2894-1321-1808
Percentage of Assets-25.3-23.7-17.8-7.5-14.8
Percentage of Assets-25.3-23.7-17.8-7.5-14.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2049019064160312298412590
Percentage of Assets123.2105.098.6129.8103.2
Percentage of Assets123.2105.098.6129.8103.2
Percentage of Assets srt:Subsidiaries100.0100.0100.0100.0100.0

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value97597597497411081104110010960
Percentage of Assets5.95.46.05.56.28.99.09.30.0
Percentage of Assets5.95.46.05.56.28.99.09.30.0
Percentage of Assets tdg:TransDigmUK100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-43625-35936-36096-37036-20843
Percentage of Assets-262.2-197.9-222.1-209.2-170.9
Percentage of Assets-262.2-197.9-222.1-209.2-170.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

us-gaap:CorporateNonSegment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282013-09-30
Value252439861321145818342324217318869698096148889279301488157953475882311206221123927848658
Percentage of Assets15.222.08.18.210.318.817.816.09.38.06.28.69.19.313.914.96.49.19.813.48.616.213.712.710.7
Percentage of Assets15.222.08.18.210.318.817.816.09.38.06.28.69.19.313.914.96.49.19.813.48.616.213.712.710.7
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, tdg:Airframe



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-03-292013-12-282013-09-302012-09-30
Value673868386672737141324094409139774021388839234024398638623922391039073883392338553230321032633267324629582932
Percentage of Assets40.537.741.041.623.233.033.533.738.738.539.339.039.138.536.637.046.746.646.646.244.746.448.351.151.648.153.7
Percentage of Assets40.537.741.041.623.233.033.533.738.738.539.339.039.138.536.637.046.746.646.646.244.746.448.351.151.648.153.7
Percentage of Assets us-gaap:OperatingSegments tdg:Airframe100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:NonAviationRelatedBusiness



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-03-292013-12-282013-09-302012-09-30
Value2592622611284190232234227226224142141133130131127128130129131131133132131130132118
Percentage of Assets1.61.41.67.31.11.91.91.92.22.21.41.41.31.31.21.21.51.61.51.61.81.92.02.12.12.22.2
Percentage of Assets1.61.41.67.31.11.91.91.92.22.21.41.41.31.31.21.21.51.61.51.61.81.92.02.12.12.22.2
Percentage of Assets us-gaap:OperatingSegments tdg:NonAviationRelatedBusiness100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, tdg:PowerAndControl



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-03-292013-12-282013-09-302012-09-30
Value711470707037758758385737569857125177511252185261514051125184495337883558355032423242244624322447239223981896
Percentage of Assets42.838.943.342.932.846.346.748.449.850.652.351.050.550.948.346.945.342.742.138.844.935.436.038.238.039.034.7
Percentage of Assets42.838.943.342.932.846.346.748.449.850.652.351.050.550.948.346.945.342.742.138.844.935.436.038.238.039.034.7
Percentage of Assets us-gaap:OperatingSegments tdg:PowerAndControl100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupClassification

us-gaap:DiscontinuedOperationsHeldforsale



Period End2020-03-282019-12-282019-09-302018-09-302018-06-302018-03-312017-12-302017-09-302016-09-30
Value0096200076770
Percentage of Assets0.00.05.90.00.00.00.80.80.0
Percentage of Assets0.00.05.90.00.00.00.80.80.0
Percentage of Assets us-gaap:DiscontinuedOperationsHeldforsale0.00.0100.00.00.00.0100.0100.00.0

Liabilities

us-gaap:Liabilities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value2084022455191391901319279140561400513902127041271112926122111222611911113771137893219294946595198552837883128302652465266485501050084950424041994204365837023649371936162084
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets125.3123.7117.7107.4108.3113.5114.8117.8122.2125.7129.6118.4120.0118.7106.1107.6111.5111.6112.3114.0118.4121.2123.0123.7102.0103.7105.586.288.089.277.779.180.980.582.083.284.885.877.9

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value99010461049591380
Percentage of Liabilities4.84.75.53.12.7
Percentage of Assets6.05.86.53.33.1
Percentage of Assets srt:GuarantorSubsidiaries3.43.84.12.82.2

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value100210061069849474
Percentage of Liabilities4.84.55.64.53.4
Percentage of Assets6.05.56.64.83.9
Percentage of Assets srt:NonGuarantorSubsidiaries7.49.08.67.711.4

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1834319907165161707612646
Percentage of Liabilities88.088.786.389.890.3
Percentage of Assets110.3109.6101.696.5103.7
Percentage of Assets srt:Subsidiaries89.5104.4103.074.3100.4

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value5054965044955044955044950
Percentage of Liabilities2.42.22.62.62.63.53.63.60.0
Percentage of Assets3.02.73.12.82.84.04.14.20.0
Percentage of Assets tdg:TransDigmUK51.850.951.750.845.544.845.845.20.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value166351815616254177021779712389121971180410394101129975103161018710037107261057083598329842783507226691367566710639962926148581256945549545953055199454545134385438642122677
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2940727171258202112616993
Percentage of LiabilitiesAndStockholdersEquity176.8149.7158.8119.3139.3
Percentage of Assets176.8149.7158.8119.3139.3
Percentage of Assets srt:GuarantorSubsidiaries100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value135971118512419109744164
Percentage of LiabilitiesAndStockholdersEquity81.761.676.462.034.1
Percentage of Assets81.761.676.462.034.1
Percentage of Assets srt:NonGuarantorSubsidiaries100.0100.0100.0100.0100.0

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-4209-4303-2894-1321-1808
Percentage of LiabilitiesAndStockholdersEquity-25.3-23.7-17.8-7.5-14.8
Percentage of Assets-25.3-23.7-17.8-7.5-14.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2049019064160312298412590
Percentage of LiabilitiesAndStockholdersEquity123.2105.098.6129.8103.2
Percentage of Assets123.2105.098.6129.8103.2
Percentage of Assets srt:Subsidiaries100.0100.0100.0100.0100.0

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value97597597497411081104110010960
Percentage of LiabilitiesAndStockholdersEquity5.95.46.05.56.28.99.09.30.0
Percentage of Assets5.95.46.05.56.28.99.09.30.0
Percentage of Assets tdg:TransDigmUK100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-43625-35936-36096-37036-20843
Percentage of LiabilitiesAndStockholdersEquity-262.2-197.9-222.1-209.2-170.9
Percentage of Assets-262.2-197.9-222.1-209.2-170.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value-4209-4303-2894-1321-1491-1666-1808-2098-2309-2599-2951-1895-2038-1874-651-808-961-964-1038-1169-1326-1464-1556-1591-125-234-33680168559812181106994887810735667596592592819653
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-25.3-23.7-17.8-7.5-8.4-13.5-14.8-17.8-22.2-25.7-29.6-18.4-20.0-18.7-6.1-7.6-11.5-11.6-12.3-14.0-18.4-21.2-23.0-23.7-2.0-3.7-5.513.812.010.822.320.919.119.518.016.815.214.20.022.10.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2841726125247702053416613
Percentage of StockholdersEquity-675.1-607.1-855.7-1554.2-918.6
Percentage of Assets170.8143.9152.4116.0136.2
Percentage of Assets srt:GuarantorSubsidiaries96.696.295.997.297.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value125911017511339101143690
Percentage of StockholdersEquity-299.1-236.5-391.7-765.5-204.1
Percentage of Assets75.756.069.857.130.3
Percentage of Assets srt:NonGuarantorSubsidiaries92.691.091.392.288.6

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-4209-4303-2894-1321-1808
Percentage of StockholdersEquity100.0100.0100.0100.0100.0
Percentage of Assets-25.3-23.7-17.8-7.5-14.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2147-843-4845907-55
Percentage of StockholdersEquity-51.019.616.7-447.13.1
Percentage of Assets12.9-4.6-3.033.4-0.5
Percentage of Assets srt:Subsidiaries10.5-4.4-3.025.7-0.4

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value4704794704796046095956000
Percentage of StockholdersEquity-11.2-11.1-16.3-36.3-40.5-36.6-33.0-28.6-0.0
Percentage of Assets2.82.62.92.73.44.94.95.10.0
Percentage of Assets tdg:TransDigmUK48.249.148.349.254.555.254.254.80.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-43625-35936-36096-37036-20843
Percentage of StockholdersEquity1036.5835.11246.92803.21152.6
Percentage of Assets-262.2-197.9-222.1-209.2-170.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value-503-252-378-175-157-804-236-61-85-112-128-139-149-137-109-96-96-58-84-46-25-600-6-13-15-6-8-11-5-7-320-2-3-3-50
Percentage of StockholdersEquity12.05.913.113.310.54.9-0.21.1-0.32.42.95.96.37.423.017.011.410.09.25.06.43.21.60.40.5-0.11.9-1.6-2.3-1.0-0.7-1.1-0.5-0.9-0.40.3-0.1-0.4-0.6-0.6-0.70.1
Percentage of Assets-3.0-1.4-2.3-1.0-0.9-0.70.0-0.20.1-0.6-0.9-1.1-1.3-1.4-1.4-1.3-1.3-1.2-1.1-0.7-1.2-0.7-0.4-0.1-0.00.0-0.1-0.2-0.3-0.1-0.1-0.2-0.1-0.2-0.10.1-0.0-0.10.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value14881422137813391291123912081171114311131095107910621042102810471002984950922885816794763722700689657620592553532504480464450442428419419388365
Percentage of StockholdersEquity-35.4-33.0-47.6-101.3-86.5-74.4-66.8-55.8-49.5-42.8-37.1-57.0-52.1-55.6-157.9-129.6-104.3-102.1-91.5-78.9-66.8-55.7-51.1-48.0-575.1-299.2-205.182.190.599.045.448.150.754.257.361.366.371.870.770.747.555.9
Percentage of Assets8.97.88.57.67.310.09.99.911.011.011.010.510.410.49.69.912.011.811.311.012.311.811.811.411.311.111.211.310.910.710.110.09.710.610.310.310.110.20.015.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value110000000000000000000000000000000000000000
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.4-0.2-0.20.10.10.10.00.00.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value-4401-4699-3119-1709-1851-2050-2246-2471-2684-2876-3187-2088-2248-2394-1146-1334-1471-1606-1717-1857-1952-2059-2150-2260-831-919-10041729528689601510429364296240184192192450287
Percentage of StockholdersEquity104.6109.2107.8129.4124.1123.0124.2117.8116.3110.7108.0110.2110.3127.7176.1165.1153.0166.6165.4158.9147.2140.6138.2142.0662.2392.6298.521.514.04.756.554.351.448.444.940.436.131.032.432.455.044.0
Percentage of Assets-26.5-25.9-19.2-9.7-10.4-16.6-18.4-20.9-25.8-28.5-31.9-20.2-22.1-23.9-10.7-12.6-17.6-19.3-20.4-22.2-27.0-29.8-31.8-33.7-13.0-14.6-16.33.01.70.512.611.39.89.48.16.85.54.40.07.20.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-30
Value-794-775-775-775-775-775-775-775-775-774-774-774-724-384-384-383-383-246-175-175-175-175-175-88-16-16-16-16-16-16-16-16-16-16-15-15-15-15-15-15-15
Percentage of StockholdersEquity18.918.026.858.752.046.542.936.933.629.826.340.835.520.559.047.539.925.616.915.113.312.011.35.612.86.94.8-2.0-2.3-2.7-1.3-1.5-1.6-1.8-1.9-2.1-2.3-2.6-2.6-2.6-1.9
Percentage of Assets-4.8-4.3-4.8-4.4-4.4-6.3-6.4-6.6-7.5-7.7-7.8-7.5-7.1-3.8-3.6-3.6-4.6-3.0-2.1-2.1-2.4-2.5-2.6-1.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.3-0.3-0.3-0.40.0-0.60.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value5200665248655411559539263657338524702271213323872320223529302932175818601831202914671876168916241328122113201040132711551050914815840870996964677583
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.336.629.930.631.431.730.028.723.822.521.423.122.822.327.327.721.022.321.724.320.327.125.024.220.819.421.517.923.320.819.217.215.718.519.322.722.016.121.8

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1131109712911168734
Percentage of AssetsCurrent21.816.526.521.620.1
Percentage of Assets6.86.07.96.66.0
Percentage of Assets srt:GuarantorSubsidiaries3.84.05.05.54.3

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value16712399241718731043
Percentage of AssetsCurrent32.136.149.734.628.5
Percentage of Assets10.013.214.910.68.6
Percentage of Assets srt:NonGuarantorSubsidiaries12.321.419.517.125.1

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value210060
Percentage of AssetsCurrent0.40.00.00.10.0
Percentage of Assets0.10.00.00.00.0
Percentage of Assets srt:ParentCompany-0.5-0.0-0.0-0.5-0.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value23933171117123771882
Percentage of AssetsCurrent46.047.724.143.951.5
Percentage of Assets14.417.57.213.415.4
Percentage of Assets srt:Subsidiaries11.716.67.310.315.0

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value110000000
Percentage of AssetsCurrent0.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets tdg:TransDigmUK0.10.10.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-17-16-15-14-4
Percentage of AssetsCurrent-0.3-0.2-0.3-0.3-0.1
Percentage of Assets-0.1-0.1-0.1-0.1-0.0
Percentage of Assets srt:ConsolidationEliminations0.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302010-07-032010-04-032010-01-022009-09-302008-09-30
Value266841941467271624412337207318531011857650970985972158616666128057149153921011819729475410564269680554440302201359376549505234234234258187161190159
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.023.19.015.313.718.917.015.79.78.56.59.49.79.714.815.87.39.78.511.05.414.612.110.97.46.59.24.611.910.08.15.73.97.98.312.511.55.60.08.70.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-302017-09-302016-09-30
Value-15-15-12-12-108
Percentage of CashAndCashEquivalentsAtCarryingValue-0.6-0.4-0.8-0.5-0.1-0.00.6
Percentage of Assets-0.1-0.1-0.1-0.1-0.0-0.00.1
Percentage of Assets srt:GuarantorSubsidiaries-0.1-0.1-0.0-0.1-0.00.00.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-302017-09-302016-09-30
Value4161121387427252208143
Percentage of CashAndCashEquivalentsAtCarryingValue15.626.726.415.712.232.19.0
Percentage of Assets2.56.22.42.42.12.11.3
Percentage of Assets srt:NonGuarantorSubsidiaries3.110.03.13.96.10.00.0

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-302017-09-302016-09-30
Value210060213
Percentage of CashAndCashEquivalentsAtCarryingValue0.80.00.00.20.00.40.9
Percentage of Assets0.10.00.00.00.00.00.1
Percentage of Assets srt:ParentCompany-0.5-0.0-0.0-0.5-0.00.00.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-302017-09-302016-09-30
Value224530871092229518214391421
Percentage of CashAndCashEquivalentsAtCarryingValue84.173.674.484.587.967.689.6
Percentage of Assets13.517.06.713.014.94.413.3
Percentage of Assets srt:Subsidiaries11.016.26.810.014.50.00.0

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-12-302017-09-302017-07-012016-09-302015-09-30
Value1100000000000
Percentage of CashAndCashEquivalentsAtCarryingValue0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets tdg:TransDigmUK0.10.10.00.00.00.00.00.00.00.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value9991025106711621141657704658644556636606573512576525480427444419419333351353342322290287243218235237240174189164162158134
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.05.66.66.66.45.35.85.66.25.56.45.95.65.15.45.05.75.15.35.05.84.85.25.35.45.14.75.04.33.94.34.54.63.84.23.83.73.85.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value14716117221440
Percentage of AccountsReceivableNetCurrent14.715.716.118.45.8
Percentage of Assets0.90.91.11.20.3
Percentage of Assets srt:GuarantorSubsidiaries0.50.60.71.00.2

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value852864895948663
Percentage of AccountsReceivableNetCurrent85.384.383.981.694.2
Percentage of Assets5.14.85.55.45.4
Percentage of Assets srt:NonGuarantorSubsidiaries6.37.77.28.615.9

Inventory Net

us-gaap:InventoryNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-012018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value13131294123214131453838801805815767743730743725715724706634599591574553470459461458443413413340332320328326274265250245252188
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.97.17.68.08.26.80.06.66.97.47.47.37.27.17.16.76.77.67.27.06.97.76.86.86.97.27.06.77.16.06.05.96.26.36.05.95.75.66.07.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value936899879922648
Percentage of InventoryNet71.369.571.465.280.5
Percentage of Assets5.65.05.45.25.3
Percentage of Assets srt:GuarantorSubsidiaries3.23.33.44.43.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value338356315453115
Percentage of InventoryNet25.727.525.632.114.4
Percentage of Assets2.02.01.92.61.0
Percentage of Assets srt:NonGuarantorSubsidiaries2.53.22.54.12.8

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value5655525245
Percentage of InventoryNet4.34.34.23.75.6
Percentage of Assets0.30.30.30.30.4
Percentage of Assets srt:Subsidiaries0.30.30.30.20.4

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-17-16-15-14-4
Percentage of InventoryNet-1.3-1.2-1.2-1.0-0.6
Percentage of Assets-0.1-0.1-0.1-0.1-0.0
Percentage of Assets srt:ConsolidationEliminations0.00.00.00.00.0

Inventory Finished Goods

us-gaap:InventoryFinishedGoods



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022010-09-30
Value2081971912332631211271391341341311351271351531601201191221148883696867605870505248575842434631
Percentage of InventoryFinishedGoods100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.11.21.31.51.01.01.21.31.31.31.31.31.31.41.51.41.41.51.41.21.21.01.01.01.00.91.20.90.90.91.11.10.91.01.11.2

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-09-30
Value22013913511817292745846363866363443333128378265232155221621434025248
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.30.80.80.71.00.70.60.50.50.40.40.60.40.30.40.30.40.30.41.00.90.30.30.80.40.30.40.70.70.50.50.2

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value6352454447
Percentage of PrepaidExpenseAndOtherAssetsCurrent28.637.433.437.763.0
Percentage of Assets0.40.30.30.30.4
Percentage of Assets srt:GuarantorSubsidiaries0.20.20.20.20.3

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value6558624311
Percentage of PrepaidExpenseAndOtherAssetsCurrent29.541.746.537.215.3
Percentage of Assets0.40.30.40.20.1
Percentage of Assets srt:NonGuarantorSubsidiaries0.50.50.50.40.3

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value9229272916
Percentage of PrepaidExpenseAndOtherAssetsCurrent41.820.920.125.021.7
Percentage of Assets0.60.20.20.20.1
Percentage of Assets srt:Subsidiaries0.40.20.20.10.1

Machinery And Equipment Gross

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value74875375674573739538838035232732432631931431028327526826025023221121220920821920819817517417217017414915013413515099
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.14.74.24.13.23.23.23.43.23.33.23.13.12.92.73.33.23.13.03.23.13.13.13.33.53.43.43.13.13.23.23.43.33.33.13.13.63.7

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value512520513482319
Percentage of PropertyPlantAndEquipmentNet68.469.167.864.782.3
Percentage of Assets3.12.93.22.72.6
Percentage of Assets srt:GuarantorSubsidiaries1.71.92.02.31.9

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value21821822624453
Percentage of PropertyPlantAndEquipmentNet29.129.029.932.813.7
Percentage of Assets1.31.21.41.40.4
Percentage of Assets srt:NonGuarantorSubsidiaries1.61.91.82.21.3

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1815161815
Percentage of PropertyPlantAndEquipmentNet2.42.02.22.54.0
Percentage of Assets0.10.10.10.10.1
Percentage of Assets srt:Subsidiaries0.10.10.10.10.1

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:ConsolidatedEntities

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value192221754216373110878928
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0
Percentage of Assets115.696.6100.762.673.2
Percentage of Assets srt:GuarantorSubsidiaries65.464.663.452.552.5

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value96805957689858352160
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures50.434.042.152.624.2
Percentage of Assets58.232.842.433.017.7
Percentage of Assets srt:NonGuarantorSubsidiaries71.253.355.553.251.9

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-4230-4303-2894-1327-1808
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures-22.0-24.5-17.7-12.0-20.3
Percentage of Assets-25.4-23.7-17.8-7.5-14.8
Percentage of Assets srt:ParentCompany100.5100.0100.0100.5100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1796215750147292045110459
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures93.489.890.0184.5117.1
Percentage of Assets108.086.790.6115.585.8
Percentage of Assets srt:Subsidiaries87.782.691.989.083.1

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value97497497497411081104109910960
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures5.15.66.08.80.00.012.30.00.0
Percentage of Assets5.95.46.05.56.28.99.09.30.0
Percentage of Assets tdg:TransDigmUK99.999.9100.0100.0100.0100.0100.0100.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-43608-35920-36081-37022-20839
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures-226.9-204.8-220.4-333.9-233.4
Percentage of Assets-262.1-197.8-222.0-209.1-170.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

Goodwill

us-gaap:Goodwill



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-302009-09-30
Value7846784678208684861462286223620957585751574558005739568756795536478546834686432439453515352535323531348933433334304030333035302730602619259524092425257715711462
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.243.248.149.148.450.351.052.655.456.957.656.256.356.752.952.457.256.255.651.854.650.952.252.655.255.554.457.453.454.755.657.158.957.657.555.055.361.258.70.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value64135895554464535466
Percentage of Goodwill81.775.170.974.387.8
Percentage of Assets38.632.534.136.544.8
Percentage of Assets srt:GuarantorSubsidiaries21.821.721.530.532.2

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1350186821922147660
Percentage of Goodwill17.223.828.024.710.6
Percentage of Assets8.110.313.512.15.4
Percentage of Assets srt:NonGuarantorSubsidiaries9.916.717.719.615.9

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value8383828297
Percentage of Goodwill1.11.11.11.01.6
Percentage of Assets0.50.50.50.50.8
Percentage of Assets srt:Subsidiaries0.40.40.50.40.8

us-gaap:StatementBusinessSegments

tdg:Airframe



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292012-09-302011-09-30
Value363537203597368524502448245223802391238323822443243523692376237823842385239223031919185318821881188318641721172217111341
Percentage of Goodwill46.347.446.042.428.439.339.438.341.541.441.542.142.441.741.843.049.850.951.153.248.752.753.453.353.353.451.551.756.451.7
Percentage of Assets21.920.522.120.813.819.820.120.223.023.623.923.723.923.622.222.528.528.628.427.626.626.827.928.029.429.628.029.631.329.7
Percentage of Assets tdg:Airframe0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.057.20.00.058.258.258.40.0

tdg:NonAviationRelatedBusiness



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292012-09-302011-09-30
Value100991016409393939393935555555555555555555555555555555555554948
Percentage of Goodwill1.31.31.37.41.11.51.51.51.61.61.01.01.01.01.01.01.21.21.21.31.41.61.61.61.61.61.61.71.61.9
Percentage of Assets0.60.50.63.60.50.80.80.80.90.90.60.50.50.60.50.50.70.70.70.70.80.80.80.80.90.90.90.90.91.1
Percentage of Assets tdg:NonAviationRelatedBusiness0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.042.10.00.041.542.541.80.0

tdg:PowerAndControl



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292012-09-302011-09-30
Value411140274121435936883686367737353274327433073301324832623247310223452242223819661970160615871595159215701566155612741205
Percentage of Goodwill52.451.352.750.242.859.259.160.256.956.957.656.956.657.457.256.049.047.947.845.549.945.745.045.245.145.046.946.742.046.5
Percentage of Assets24.722.225.424.620.729.830.231.631.532.433.232.031.932.530.329.428.126.926.623.627.323.223.523.824.925.025.526.823.326.7
Percentage of Assets tdg:PowerAndControl0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.065.30.00.065.365.867.20.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302014-09-302014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value26692737274327342724177217881715170016971717175217481735176417781505148715391217735747703697634644655655634518483454466443212
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.015.116.915.415.314.314.714.516.416.817.217.017.217.316.416.818.017.918.318.011.511.911.412.011.111.612.012.412.211.410.710.410.610.57.9

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value20252025206319001514
Percentage of IntangibleAssetsNetExcludingGoodwill75.974.075.269.584.7
Percentage of Assets12.211.212.710.712.4
Percentage of Assets srt:GuarantorSubsidiaries6.97.58.09.08.9

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value619687654807242
Percentage of IntangibleAssetsNetExcludingGoodwill23.225.123.929.513.5
Percentage of Assets3.73.84.04.62.0
Percentage of Assets srt:NonGuarantorSubsidiaries4.66.15.37.45.8

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2525252531
Percentage of IntangibleAssetsNetExcludingGoodwill0.90.90.90.91.8
Percentage of Assets0.20.10.20.10.3
Percentage of Assets srt:Subsidiaries0.10.10.20.10.2

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

tdg:Technology



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value128713211309139314029159309099099229419699659739901000835831866901804656668681691697657658598607617616471
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.77.38.17.97.97.47.67.78.79.19.49.49.59.79.29.510.010.010.310.811.19.59.910.210.811.110.711.310.510.911.311.610.4
Percentage of Assets tdg:Technology0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value39540840823019848
Percentage of FiniteLivedIntangibleAssetsNet30.730.931.216.514.25.2
Percentage of Assets2.42.22.51.31.10.4
Percentage of Assets us-gaap:CustomerRelatedIntangibleAssets0.00.00.00.00.00.0

us-gaap:OrderOrProductionBacklog



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value25426265775666124716251444813524101611300136
Percentage of FiniteLivedIntangibleAssetsNet1.93.24.84.75.50.60.70.70.70.10.20.40.81.72.61.40.50.61.01.50.60.30.61.62.31.70.50.00.10.30.61.5
Percentage of Assets0.20.20.40.40.40.00.10.10.10.00.00.00.10.20.20.10.10.10.10.20.10.00.10.20.30.20.10.00.00.00.10.2
Percentage of Assets us-gaap:OrderOrProductionBacklog0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value897775551514243444545262728282929303031313233333435353636355
Percentage of FiniteLivedIntangibleAssetsNet0.60.70.60.60.66.05.55.74.74.74.74.74.82.82.82.83.43.53.43.43.84.84.84.84.84.95.35.36.06.06.05.81.1
Percentage of Assets0.00.00.00.00.00.40.40.40.40.40.40.40.50.30.30.30.30.30.40.40.40.50.50.50.50.50.60.60.60.70.70.70.1
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value15915568648639421141136553495964413934301082222202016161313131010151313997453
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.90.40.40.50.30.41.01.10.60.50.50.60.60.40.40.40.41.30.30.30.30.30.20.30.20.20.20.20.20.30.30.30.20.20.20.10.10.1

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value10492333429
Percentage of OtherAssetsNoncurrent65.459.449.353.269.5
Percentage of Assets0.60.50.20.20.2
Percentage of Assets srt:GuarantorSubsidiaries0.40.30.10.20.2

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value464329205
Percentage of OtherAssetsNoncurrent28.927.742.931.813.3
Percentage of Assets0.30.20.20.10.0
Percentage of Assets srt:NonGuarantorSubsidiaries0.30.40.20.20.1

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value92059104
Percentage of OtherAssetsNoncurrent5.712.97.814.9244.1
Percentage of Assets0.10.10.00.10.9
Percentage of Assets srt:Subsidiaries0.00.10.00.00.8

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value16563350153813801726951900817812823870730732698752727675656658679613645585551352338322257259233233183210164206154217168113
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.018.59.57.89.77.77.46.97.88.18.77.17.27.07.06.98.17.97.88.18.59.38.78.25.55.45.24.44.64.24.33.54.03.64.63.55.04.04.2

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value391389421381278
Percentage of LiabilitiesCurrent23.611.627.427.630.9
Percentage of Assets2.42.12.62.22.3
Percentage of Assets srt:GuarantorSubsidiaries1.31.41.61.81.6

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value711706796649395
Percentage of LiabilitiesCurrent42.921.151.847.144.0
Percentage of Assets4.33.94.93.73.2
Percentage of Assets srt:NonGuarantorSubsidiaries5.26.36.45.99.5

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value5412251307344212
Percentage of LiabilitiesCurrent32.767.220.025.023.6
Percentage of Assets3.312.41.91.91.7
Percentage of Assets srt:Subsidiaries2.611.81.91.51.7

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value1341241241340
Percentage of LiabilitiesCurrent0.80.10.80.30.70.51.50.60.0
Percentage of Assets0.10.00.10.00.10.00.10.00.0
Percentage of Assets tdg:TransDigmUK1.30.41.30.41.20.41.20.40.0

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-02
Value27980808044875757569696964646452524343434439393939313131222222202020151515
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.70.40.50.52.50.60.60.60.70.70.70.60.60.60.50.50.50.50.50.50.50.60.60.60.50.50.50.40.40.40.40.40.40.30.30.4

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value11110
Percentage of LongTermDebtCurrent0.41.21.32.20.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets srt:GuarantorSubsidiaries0.00.00.00.00.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value33330
Percentage of LongTermDebtCurrent1.13.84.44.30.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets srt:NonGuarantorSubsidiaries0.00.00.00.00.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value27576757575
Percentage of LongTermDebtCurrent98.695.094.493.6100.0
Percentage of Assets1.70.40.50.40.6
Percentage of Assets srt:Subsidiaries1.30.40.50.30.6

us-gaap:ShortTermDebtType

tdg:LongtermDebtCurrentMaturities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value2798080804487575756969696464645252434343
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.1
Percentage of Assets1.70.40.50.52.50.60.60.60.70.70.70.60.60.60.50.50.50.50.5
Percentage of Assets tdg:LongtermDebtCurrentMaturities0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value26626527631031817617315515114514814713912915613512511314212912092115949590106757369747673486253555144
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.51.71.81.81.41.41.31.51.41.51.41.41.31.51.31.51.41.71.51.71.31.71.41.51.41.71.31.31.31.41.41.41.11.41.21.31.21.7

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value151148160166115
Percentage of AccountsPayableCurrent56.855.858.153.766.7
Percentage of Assets0.90.81.00.90.9
Percentage of Assets srt:GuarantorSubsidiaries0.50.50.60.80.7

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value981009912739
Percentage of AccountsPayableCurrent36.837.735.941.022.7
Percentage of Assets0.60.60.60.70.3
Percentage of Assets srt:NonGuarantorSubsidiaries0.70.90.81.20.9

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1717161618
Percentage of AccountsPayableCurrent6.46.46.05.310.6
Percentage of Assets0.10.10.10.10.2
Percentage of Assets srt:Subsidiaries0.10.10.10.10.1

Other Accrued Liabilities Current

Taxes Payable Current

Accrued Income Taxes Current

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272014-09-302014-06-282013-09-302013-06-292013-03-302012-09-302011-09-302011-07-022010-09-30
Value18212180321654916576169571258312577125911143411447114631089210903106209995100058135814282278249727372905731433943443619313831421771
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets109.599.3101.893.695.3101.6103.1106.7110.0113.2114.9105.6107.0105.893.294.797.397.897.698.8107.6108.693.274.676.366.369.571.766.2

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

tdg:A6.50SeniorSubordinatedNotesDue2024, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value1195119511941194119311931193119211921192119111911191119111901190119011891189
Percentage of LongTermDebt6.66.67.27.27.09.59.59.510.410.410.410.910.911.211.911.914.614.614.5
Percentage of Assets7.26.67.36.76.79.69.810.111.511.811.911.611.711.911.111.314.214.314.1
Percentage of Assets tdg:A6.50SeniorSubordinatedNotesDue2024 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

tdg:SeniorSecuredNotes4BDue20266.25, us-gaap:SecuredDebt



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value394739453942394039390
Percentage of LongTermDebt21.721.923.823.823.20.0
Percentage of Assets23.721.724.322.322.10.0
Percentage of Assets tdg:SeniorSecuredNotes4BDue20266.25 us-gaap:SecuredDebt0.00.00.00.00.00.0

tdg:SeniorSecuredNotes4BDue20266.25, us-gaap:SeniorNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-30
Value39473945394239403939
Percentage of LongTermDebt21.721.923.823.823.2
Percentage of Assets23.721.724.322.322.1
Percentage of Assets tdg:SeniorSecuredNotes4BDue20266.25 us-gaap:SeniorNotes0.00.00.00.00.0

tdg:SeniorSubordinatedNotes2650MDue20275.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-30
Value262726270
Percentage of LongTermDebt14.414.60.0
Percentage of Assets15.814.50.0
Percentage of Assets tdg:SeniorSubordinatedNotes2650MDue20275.50 us-gaap:SeniorSubordinatedNotes0.00.00.0

tdg:SeniorSubordinatedNotes550MDue20277.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value5455455445445440
Percentage of LongTermDebt3.03.03.33.33.20.0
Percentage of Assets3.33.03.43.13.10.0
Percentage of Assets tdg:SeniorSubordinatedNotes550MDue20277.50 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.0

tdg:SeniorSubordinatedNotesDue20226.00, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value0011451145114511441144114411431143114311421142114111411141114011401140
Percentage of LongTermDebt0.00.06.96.96.89.19.19.110.010.010.010.510.510.811.411.414.014.013.9
Percentage of Assets0.00.07.06.56.49.29.49.711.011.311.511.111.211.410.610.813.613.713.5
Percentage of Assets tdg:SeniorSubordinatedNotesDue20226.00 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

tdg:SeniorSubordinatedNotesDue20256.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value750750750750750750750750750750750750750445445445445445445
Percentage of LongTermDebt4.14.24.54.54.46.06.06.06.66.66.56.96.94.24.54.55.55.55.4
Percentage of Assets4.54.14.64.24.26.16.16.47.27.47.57.37.44.44.24.25.35.35.3
Percentage of Assets tdg:SeniorSubordinatedNotesDue20256.50 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

tdg:SeniorSubordinatedNotesDue20266.375, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022015-09-30
Value9449439439429429429429419419419419409409409409400
Percentage of LongTermDebt5.25.25.75.75.67.57.57.58.28.28.28.68.68.99.49.40.0
Percentage of Assets5.75.25.85.35.37.67.78.09.19.39.49.19.29.48.88.90.0
Percentage of Assets tdg:SeniorSubordinatedNotesDue20266.375 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

tdg:Seniorsubordinatednotesdue20266.875, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value4924924914914914904904910
Percentage of LongTermDebt2.72.73.03.02.93.93.93.90.0
Percentage of Assets3.02.73.02.82.84.04.04.20.0
Percentage of Assets tdg:Seniorsubordinatednotesdue20266.875 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.00.00.00.0

us-gaap:LongtermDebtType

tdg:GovernmentRefundableAdvances



Period End2020-03-282019-12-282019-09-302018-09-30
Value2731390
Percentage of LongTermDebt0.10.20.20.0
Percentage of Assets0.20.20.20.0
Percentage of Assets tdg:GovernmentRefundableAdvances0.00.00.00.0

tdg:TermLoans



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value7427745274487463747875137509752368596873688963206332635452345245431643254333
Percentage of LongTermDebt40.841.345.045.044.159.759.759.860.060.060.158.058.159.852.452.453.153.152.7
Percentage of Assets44.641.045.842.242.060.661.663.766.068.069.161.362.263.348.849.651.651.951.4
Percentage of Assets tdg:TermLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CapitalLeaseObligations



Period End2020-03-282019-12-282019-09-302018-09-30
Value5852490
Percentage of LongTermDebt0.30.30.30.0
Percentage of Assets0.30.30.30.0
Percentage of Assets us-gaap:CapitalLeaseObligations0.00.00.00.0

us-gaap:RevolvingCreditFacility



Period End2020-03-28
Value200
Percentage of LongTermDebt1.1
Percentage of Assets1.2
Percentage of Assets us-gaap:RevolvingCreditFacility0.0

us-gaap:ShortTermDebtType

us-gaap:RevolvingCreditFacility



Period End2020-03-282019-09-30
Value2000
Percentage of LongTermDebt1.10.0
Percentage of Assets1.20.0
Percentage of Assets us-gaap:RevolvingCreditFacility0.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value17933179521646916495165091250712501125161136511378113931082810839105559943995380918099818382047299723372337251569257005700431743224297359836033608311931223126313031341771
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets107.898.9101.393.292.8101.0102.5106.0109.3112.5114.2105.0106.4105.292.794.296.897.297.198.3101.0104.6107.1108.189.090.692.774.375.977.465.967.969.468.669.271.371.474.466.2

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value424249570
Percentage of LongTermDebtNoncurrent0.20.20.30.40.0
Percentage of Assets0.30.20.30.30.0
Percentage of Assets srt:GuarantorSubsidiaries0.10.20.20.30.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value313535410
Percentage of LongTermDebtNoncurrent0.20.20.20.30.0
Percentage of Assets0.20.20.20.20.0
Percentage of Assets srt:NonGuarantorSubsidiaries0.20.30.30.40.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1736817383158931590512011
Percentage of LongTermDebtNoncurrent96.896.896.596.496.1
Percentage of Assets104.495.797.889.898.5
Percentage of Assets srt:Subsidiaries84.891.299.169.295.4

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value4924924914914914904904910
Percentage of LongTermDebtNoncurrent2.72.73.03.03.03.93.93.90.0
Percentage of Assets3.02.73.02.82.84.04.04.20.0
Percentage of Assets tdg:TransDigmUK50.550.550.450.444.344.444.644.80.0

Deferred Tax Liabilities Noncurrent

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value4491090
Percentage of MinorityInterest100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.10.10.10.0

us-gaap:ConsolidatedEntities

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value449100
Percentage of MinorityInterest100.0100.0100.0100.00.0
Percentage of Assets0.00.00.10.10.0
Percentage of Assets srt:NonGuarantorSubsidiaries0.00.00.10.10.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302017-09-302016-09-30
Value4491090000
Percentage of MinorityInterest100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Assets0.00.00.10.10.10.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value8667056914953852222042121661701611531351411891841561281731411561029093767078476565516462606248515731
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.23.94.32.82.21.81.71.81.61.71.61.51.31.41.81.71.91.52.11.72.21.51.31.41.21.11.30.81.21.20.91.21.21.31.41.11.21.41.2

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value268265232152104
Percentage of OtherLiabilitiesNoncurrent30.937.633.630.751.4
Percentage of Assets1.61.51.40.90.9
Percentage of Assets srt:GuarantorSubsidiaries0.91.00.90.70.6

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1641671437721
Percentage of OtherLiabilitiesNoncurrent18.923.720.715.610.6
Percentage of Assets1.00.90.90.40.2
Percentage of Assets srt:NonGuarantorSubsidiaries1.21.51.20.70.5

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value43427331526577
Percentage of OtherLiabilitiesNoncurrent50.138.745.653.638.0
Percentage of Assets2.61.51.91.50.6
Percentage of Assets srt:Subsidiaries2.11.42.01.20.6

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value-4209-4303-2894-1321-1491-1666-1808-2098-2309-2599-2951-1895-2038-1874-651-808-961-964-1038-1169-1326-1464-1556-1591-125-234-33680168559812181106994887810735667596592592819653
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-25.3-23.7-17.8-7.5-8.4-13.5-14.8-17.8-22.2-25.7-29.6-18.4-20.0-18.7-6.1-7.6-11.5-11.6-12.3-14.0-18.4-21.2-23.0-23.7-2.0-3.7-5.513.812.010.822.320.919.119.518.016.815.214.20.022.10.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2841726125247702053416613
Percentage of StockholdersEquity-675.1-607.1-855.7-1554.2-918.6
Percentage of Assets170.8143.9152.4116.0136.2
Percentage of Assets srt:GuarantorSubsidiaries96.696.295.997.297.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value125911017511339101143690
Percentage of StockholdersEquity-299.1-236.5-391.7-765.5-204.1
Percentage of Assets75.756.069.857.130.3
Percentage of Assets srt:NonGuarantorSubsidiaries92.691.091.392.288.6

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-4209-4303-2894-1321-1808
Percentage of StockholdersEquity100.0100.0100.0100.0100.0
Percentage of Assets-25.3-23.7-17.8-7.5-14.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2147-843-4845907-55
Percentage of StockholdersEquity-51.019.616.7-447.13.1
Percentage of Assets12.9-4.6-3.033.4-0.5
Percentage of Assets srt:Subsidiaries10.5-4.4-3.025.7-0.4

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value4704794704796046095956000
Percentage of StockholdersEquity-11.2-11.1-16.3-36.3-40.5-36.6-33.0-28.6-0.0
Percentage of Assets2.82.62.92.73.44.94.95.10.0
Percentage of Assets tdg:TransDigmUK48.249.148.349.254.555.254.254.80.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-43625-35936-36096-37036-20843
Percentage of StockholdersEquity1036.5835.11246.92803.21152.6
Percentage of Assets-262.2-197.9-222.1-209.2-170.9
Percentage of Assets srt:ConsolidationEliminations100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value-503-252-378-175-157-804-236-61-85-112-128-139-149-137-109-96-96-58-84-46-25-600-6-13-15-6-8-11-5-7-320-2-3-3-50
Percentage of StockholdersEquity12.05.913.113.310.54.9-0.21.1-0.32.42.95.96.37.423.017.011.410.09.25.06.43.21.60.40.5-0.11.9-1.6-2.3-1.0-0.7-1.1-0.5-0.9-0.40.3-0.1-0.4-0.6-0.6-0.70.1
Percentage of Assets-3.0-1.4-2.3-1.0-0.9-0.70.0-0.20.1-0.6-0.9-1.1-1.3-1.4-1.4-1.3-1.3-1.2-1.1-0.7-1.2-0.7-0.4-0.1-0.00.0-0.1-0.2-0.3-0.1-0.1-0.2-0.1-0.2-0.10.1-0.0-0.10.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value14881422137813391291123912081171114311131095107910621042102810471002984950922885816794763722700689657620592553532504480464450442428419419388365
Percentage of StockholdersEquity-35.4-33.0-47.6-101.3-86.5-74.4-66.8-55.8-49.5-42.8-37.1-57.0-52.1-55.6-157.9-129.6-104.3-102.1-91.5-78.9-66.8-55.7-51.1-48.0-575.1-299.2-205.182.190.599.045.448.150.754.257.361.366.371.870.770.747.555.9
Percentage of Assets8.97.88.57.67.310.09.99.911.011.011.010.510.410.49.69.912.011.811.311.012.311.811.811.411.311.111.211.310.910.710.110.09.710.610.310.310.110.20.015.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value110000000000000000000000000000000000000000
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.0-0.0-0.0-0.0-0.0-0.4-0.2-0.20.10.10.10.00.00.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-302008-09-30
Value-4401-4699-3119-1709-1851-2050-2246-2471-2684-2876-3187-2088-2248-2394-1146-1334-1471-1606-1717-1857-1952-2059-2150-2260-831-919-10041729528689601510429364296240184192192450287
Percentage of StockholdersEquity104.6109.2107.8129.4124.1123.0124.2117.8116.3110.7108.0110.2110.3127.7176.1165.1153.0166.6165.4158.9147.2140.6138.2142.0662.2392.6298.521.514.04.756.554.351.448.444.940.436.131.032.432.455.044.0
Percentage of Assets-26.5-25.9-19.2-9.7-10.4-16.6-18.4-20.9-25.8-28.5-31.9-20.2-22.1-23.9-10.7-12.6-17.6-19.3-20.4-22.2-27.0-29.8-31.8-33.7-13.0-14.6-16.33.01.70.512.611.39.89.48.16.85.54.40.07.20.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-10-022010-09-302009-09-30
Value-794-775-775-775-775-775-775-775-775-774-774-774-724-384-384-383-383-246-175-175-175-175-175-88-16-16-16-16-16-16-16-16-16-16-15-15-15-15-15-15-15
Percentage of StockholdersEquity18.918.026.858.752.046.542.936.933.629.826.340.835.520.559.047.539.925.616.915.113.312.011.35.612.86.94.8-2.0-2.3-2.7-1.3-1.5-1.6-1.8-1.9-2.1-2.3-2.6-2.6-2.6-1.9
Percentage of Assets-4.8-4.3-4.8-4.4-4.4-6.3-6.4-6.6-7.5-7.7-7.8-7.5-7.1-3.8-3.6-3.6-4.6-3.0-2.1-2.1-2.4-2.5-2.6-1.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.3-0.4-0.3-0.3-0.3-0.40.0-0.60.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-4205000000.0-4299000000.0-2885083000.0-1310614000.0-1482247000.0-1666893000.0-1808471000.0
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-25.3-23.7-17.7-7.4-8.3-13.5-14.8

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value1000000.01000000.0576000.0575000.0573000.0570000.0569000.0567000.0565000.0563000.0561000.0560000.0560000.0558000.0558000.0557000.0554000.0553000.0551000.0549000.0547000.0540000.0538000.0535000.0534000.0532000.0532000.0530000.0529000.0525000.0521000.0519000.0515000.0511000.0508000.0506000.0505000.0501000.0499000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value14881422137813391291123912081171114311131095107910621042102810471002984950922885816794763722700689657620592553532504480464450442428419
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.97.88.57.67.310.09.99.911.011.011.010.510.410.49.69.912.011.811.311.012.311.811.811.411.311.111.211.310.910.710.110.09.710.610.310.310.110.215.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-012018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value-4401-4699-3119-1709-1851-2050-2243-2246-2471-2684-2876-3187-2088-2248-2394-1146-1334-1471-1606-1717-1857-1952-2059-2150-2260-831-919-10041729528689601510429364296240184192
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-26.5-25.9-19.2-9.7-10.4-16.60.0-18.4-20.9-25.8-28.5-31.9-20.2-22.1-23.9-10.7-12.6-17.6-19.3-20.4-22.2-27.0-29.8-31.8-33.7-13.0-14.6-16.33.01.70.512.611.39.89.48.16.85.54.47.2

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value-503-252-378-175-157-804-236-61-85-112-128-139-149-137-109-96-96-58-84-46-25-600-6-13-15-6-8-11-5-7-320-2-3
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-3.0-1.4-2.3-1.0-0.9-0.70.0-0.20.1-0.6-0.9-1.1-1.3-1.4-1.4-1.3-1.3-1.2-1.1-0.7-1.2-0.7-0.4-0.1-0.00.0-0.1-0.2-0.3-0.1-0.1-0.2-0.1-0.2-0.10.1-0.0-0.1-0.1

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value-34-34-39-10-10-10-10-16-16-16-16-24-24-24-24-12
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax6.813.510.56.26.713.2-261.769.0-251.026.519.221.618.917.516.212.5
Percentage of Assets-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.2-0.2-0.2-0.1
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value-294-149-172-140-69-6673936-8-26-28-20-22-61-51
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax58.459.145.479.744.58.21638.8-164.9564.613.631.325.415.716.140.853.6
Percentage of Assets-1.8-0.8-1.1-0.8-0.4-0.10.60.30.4-0.1-0.3-0.3-0.2-0.2-0.6-0.6
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value-175-69-167-24-76-63-52-46-13-36-42-59-84-92-64-32
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax34.827.444.114.148.778.5-1277.1195.9-213.559.949.553.165.566.443.033.9
Percentage of Assets-1.1-0.4-1.0-0.1-0.4-0.5-0.4-0.4-0.1-0.4-0.4-0.6-0.8-0.9-0.6-0.4
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value79477577577577577577577577577477477472438438438338324617517517517517588161616161616161616161515151515
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.34.84.44.46.36.46.67.57.77.87.57.13.83.63.64.63.02.12.12.42.52.61.30.30.30.30.30.30.30.30.30.30.40.30.30.30.40.6

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value4491090
Percentage of MinorityInterest100.0100.0100.0100.0100.00.0
Percentage of Assets0.00.00.10.10.10.0

us-gaap:ConsolidatedEntities

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value449100
Percentage of MinorityInterest100.0100.0100.0100.00.0
Percentage of Assets0.00.00.10.10.0
Percentage of Assets srt:NonGuarantorSubsidiaries0.00.00.10.10.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302017-09-302016-09-30
Value4491090000
Percentage of MinorityInterest100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Assets0.00.00.10.10.10.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-282019-12-282019-03-302018-12-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value161433123330115203699998156671176259
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.229.610.533.20.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-282019-12-282019-03-302018-12-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value-23877-3560-53-271-7-480-10-3-26-88-294-1365-99
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.659.9-304.8-5.30.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-282019-12-282019-03-302018-12-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value-166214143925-1029903719744130311
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-115.296.5336.0-1.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-282019-12-282019-03-302018-12-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value161433123330115203699998156671176259
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.229.610.533.20.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-09-302010-07-032010-04-032010-04-032010-01-02
Value31930434614420219622821719631415316915511819214013811414199991109511416909086847667748790816567565655-75044383830
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.120.825.28.717.319.721.822.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value5314764381242348270332
Percentage of NetIncomeLoss166.5156.6126.5860.3171.9137.7145.2
Percentage of Revenues36.832.531.974.929.827.231.7
Percentage of Revenues srt:GuarantorSubsidiaries47.542.139.1101.336.833.438.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value728155-580576065
Percentage of NetIncomeLoss22.62.644.9-401.828.230.628.5
Percentage of Revenues5.00.511.3-35.04.96.06.2
Percentage of Revenues srt:NonGuarantorSubsidiaries21.02.367.0-117.326.437.043.1

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value319304346144202196228217196314
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.120.825.28.717.319.721.822.20.00.0
Percentage of Revenues srt:ParentCompany0.00.022.59.517.319.721.822.221.037.1

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value319304346144202196228
Percentage of NetIncomeLoss100.0100.0100.0100.399.8100.0100.0
Percentage of Revenues22.120.825.28.717.319.721.8
Percentage of Revenues srt:Subsidiaries817.9675.6695.9298.7429.8478.0513.3

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-99-8-106-4-4-4-2000
Percentage of NetIncomeLoss-2.83.0-2.6-74.1-2.3-2.4-1.9-1.20.00.00.0
Percentage of Revenues-0.60.6-0.6-6.5-0.4-0.5-0.4-0.30.00.00.0
Percentage of Revenues tdg:TransDigmUK0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-913-797-932-699-603-521-621
Percentage of NetIncomeLoss-286.2-262.2-268.8-484.5-297.9-265.8-271.8
Percentage of Revenues-63.3-54.4-67.8-42.2-51.6-52.5-59.2
Percentage of Revenues srt:ConsolidationEliminations1574.11398.23184.7842.21470.72742.13041.5

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-01-01
Value-319-3041442021962282171963141531181921141419911095114169086847667748765-7
Percentage of NetIncomeLoss-100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-22.1-20.88.717.319.721.822.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value319305348144202196228217196314
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues22.120.825.38.717.319.721.822.20.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-28
Value531476
Percentage of ProfitLoss166.5156.1
Percentage of Revenues36.832.5
Percentage of Revenues srt:GuarantorSubsidiaries47.542.1

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-28
Value729
Percentage of ProfitLoss22.63.0
Percentage of Revenues5.00.6
Percentage of Revenues srt:NonGuarantorSubsidiaries21.02.6

srt:ParentCompany



Period End2020-03-282019-12-28
Value319304
Percentage of ProfitLoss100.099.7
Percentage of Revenues22.120.8
Percentage of Revenues srt:ParentCompany0.00.0

srt:Subsidiaries



Period End2020-03-282019-12-28
Value319304
Percentage of ProfitLoss100.099.7
Percentage of Revenues22.120.8
Percentage of Revenues srt:Subsidiaries817.9675.6

tdg:TransDigmUK



Period End2020-03-282019-12-28
Value-99
Percentage of ProfitLoss-2.83.0
Percentage of Revenues-0.60.6
Percentage of Revenues tdg:TransDigmUK0.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-28
Value-913-797
Percentage of ProfitLoss-286.2-261.3
Percentage of Revenues-63.3-54.4
Percentage of Revenues srt:ConsolidationEliminations1574.11398.2

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value200110000000
Percentage of ProfitLoss0.60.00.11.00.70.30.30.20.50.20.00.0
Percentage of Revenues0.10.00.00.10.10.10.10.00.00.00.00.0
Percentage of Revenues us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:ConsolidationItems

us-gaap:DepreciationDepletionAndAmortization

us-gaap:MaterialReconcilingItems



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-27
Value72697871403534333030313634383629292625261921
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value2869-64541925-115312-5-8-1314-286120322-1-1611-302-3-4
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-282019-12-282019-03-302018-12-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value-23877-3560-53-271-7-480-10-3-26-88-294-1365-99
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.659.9-304.8-5.30.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value2327213719232319151515211310141714887981177894523
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value15222733162019
Percentage of PaymentsToAcquirePropertyPlantAndEquipment65.281.5128.691.881.684.085.6

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value74-61242
Percentage of PaymentsToAcquirePropertyPlantAndEquipment30.414.8-32.64.510.216.811.7

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value1100200
Percentage of PaymentsToAcquirePropertyPlantAndEquipment4.33.74.02.110.20.02.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-282019-12-282019-03-302018-12-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value-166214143925-1029903719744130311
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-115.296.5336.0-1.00.00.00.00.00.00.00.00.00.00.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value026250000011986079318051132
Percentage of ProceedsFromIssuanceOfLongTermDebt0.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2020-03-282019-12-282018-09-30
Value026250
Percentage of ProceedsFromIssuanceOfLongTermDebt0.0100.0100.0

Repayments Of Long Term Debt

us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfLongTermDebt

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1187-1168-19-9519
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Subsidiaries0.00.00.00.00.0

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value18646416870024000561205137503000361435541288007020302404
Percentage of PaymentsOfDividends100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.0

us-gaap:ConsolidatedEntities

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value186464168700240
Percentage of PaymentsOfDividends100.0100.0100.00.00.098.70.0

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value18646416870024000561205137503000361435541288007020302404
Percentage of PaymentsOfDividends100.0100.0100.00.00.0100.00.00.00.0100.0100.0100.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.00.0100.0100.0

us-gaap:ConsolidatedEntities

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value186464168700240
Percentage of PaymentsOfDividends100.0100.0100.00.00.098.70.0

Payments For Repurchase Of Common Stock

Repayments Of Long Term Debt

us-gaap:ConsolidatedEntities

us-gaap:RepaymentsOfLongTermDebt

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value1187-1168-19-9519
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Subsidiaries0.00.00.00.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateStatedPercentage

tdg:SeniorSecuredNotes400MDue20266.25, us-gaap:SeniorNotes



Period End2020-03-28
Value0.0625
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations tdg:SeniorSecuredNotes400MDue20266.25 us-gaap:SeniorNotes0.0

tdg:Seniorsubordinatednotesdue20266.875, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-05-082017-09-30
Value0.068750.068750.068750.068750.068750.068750.068750.068750.068750.0
Percentage of DebtInstrumentInterestRateStatedPercentage110.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations tdg:Seniorsubordinatednotesdue20266.875 us-gaap:SeniorSubordinatedNotes0.00.00.00.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-06-302018-03-312017-12-302017-07-012017-04-012016-12-312016-07-022016-04-022016-01-022015-06-272015-06-272015-03-282014-12-272014-06-282014-03-292014-03-292013-12-282013-06-292013-03-302012-12-292012-06-302012-03-312011-12-312011-07-022011-07-022011-04-022011-01-012010-07-03
Value0.0420.2010.2960.2420.2150.1810.183-0.6340.2810.2770.1440.2760.310.30.2860.2860.2920.3260.2250.00.3370.3360.3290.3190.3260.3070.3470.3230.3460.3460.3610.3460.344
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value11262331201722131111121014108975768842317773511
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-27
Value1226233120172213111112111110141111108975
Percentage of ShareBasedCompensation109.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022010-09-302009-09-30
Value4036361820141410888777876668101213666677668977613
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-282019-12-282019-10-01
Value10210299
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-09-302016-09-30
Value2668419414672716282823372073185310116501586
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value-15-15-12-12-9-1-100
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents-0.6-0.4-0.8-0.5-0.3-0.0-0.10.0-0.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value41611213874271426100252223208
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents15.626.726.415.750.44.312.212.032.1

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value2100606002
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents0.80.00.00.20.00.30.00.00.4

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value-22453087109222951412223218211628439
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents-84.173.674.484.549.995.587.987.967.6

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-09-30
Value1100000000
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents0.00.00.00.00.00.00.00.00.00.0

Proceeds From Sale Of Longterm Investments

us-gaap:ConsolidationItems

tdg:AcquisitionRelatedCosts

us-gaap:MaterialReconcilingItems



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-27
Value97-171363811111042-16818239177171251
Percentage of AcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:AggregateAmortizationofIntangibleAssets



Period End2020-03-282019-12-282019-03-302018-12-29
Value46392220
Percentage of AggregateAmortizationofIntangibleAssets100.0100.0100.0100.0

tdg:DiscontinuedOperationsnetoftaxcashflows



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value-37150000-10-52-300
Percentage of DiscontinuedOperationsnetoftaxcashflows100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0

tdg:DividendEquivalentPaymentsOnCertainStockOptions



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value21193233344109864414342121190035
Percentage of DividendEquivalentPaymentsOnCertainStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value21193233344109864414342121190035
Percentage of DividendEquivalentPaymentsOnCertainStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

tdg:EarningsBeforeInterestTaxesDepreciationAndAmortization



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value675681669690571486524487463401461442421384423383368319363312312288269291275262262243248231219200
Percentage of EarningsBeforeInterestTaxesDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-29
Value1622193711151388101111510869385566855
Percentage of EarningsBeforeInterestTaxesDepreciationAndAmortization2.43.22.95.52.03.22.51.81.92.72.52.51.22.82.11.62.71.22.31.92.12.63.02.02.2

us-gaap:OperatingSegments



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value691703689728583502537496471412472453426395432390378323371318318294276299281268268248253237225206
Percentage of EarningsBeforeInterestTaxesDepreciationAndAmortization102.4103.2102.9105.5102.0103.2102.5101.8101.9102.7102.5102.5101.2102.8102.1101.6102.7101.2102.3101.9102.1102.6103.0102.0102.2102.1102.2102.6102.9102.7

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, tdg:Airframe



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value29630532230622419121819618615818918318217018818517915517015015013912514613613013011411811611098
Percentage of EarningsBeforeInterestTaxesDepreciationAndAmortization43.944.848.244.339.239.341.640.440.239.541.141.443.444.344.648.348.848.646.948.048.346.650.449.749.847.047.750.150.549.2

us-gaap:OperatingSegments, tdg:NonAviationRelatedBusiness



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value1413-22451110131110814988866674454345557654
Percentage of EarningsBeforeInterestTaxesDepreciationAndAmortization2.11.9-3.46.52.12.22.72.32.22.23.12.12.12.22.01.81.82.02.11.61.81.81.31.71.92.12.92.72.62.2

us-gaap:OperatingSegments, tdg:PowerAndControl



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-29
Value381385389377320299305288275244268261234216234197192161193163163149146149139132132128128115109103
Percentage of EarningsBeforeInterestTaxesDepreciationAndAmortization56.456.558.154.656.161.658.359.259.561.058.258.955.756.355.551.652.150.653.352.352.054.251.450.650.453.051.749.849.851.3

tdg:FiniteLivedIntangibleAssetsAndProductDevelopmentCostAmortizedAmount



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-30
Value46405042232019191717182524161517111313
Percentage of FiniteLivedIntangibleAssetsAndProductDevelopmentCostAmortizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

tdg:Incomelossfromdiscontinuedoperationsbeforegainorlossondisposalnetoftax

tdg:SouriauSunbank



Period End2020-03-282019-12-28
Value-19
Percentage of Incomelossfromdiscontinuedoperationsbeforegainorlossondisposalnetoftax100.0100.0

tdg:SouriauSunbankandEIT



Period End2020-03-282019-03-30
Value-12
Percentage of Incomelossfromdiscontinuedoperationsbeforegainorlossondisposalnetoftax100.00.0

tdg:InventoryStepupAmortization



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value00-32891643
Percentage of InventoryStepupAmortization0.00.0100.0100.0100.0100.0100.0

tdg:Losscontractsamortization



Period End2020-03-282019-12-282019-03-302018-12-29
Value-14-11-3-2
Percentage of Losscontractsamortization100.0100.0100.0100.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

tdg:Lossesfromsettlementofforeigncurrencyforwardcontracts

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value1-1001000
Percentage of Lossesfromsettlementofforeigncurrencyforwardcontracts100.0100.0100.0100.0100.00.00.00.0

tdg:NetIncomeLossAttributabletoContinuingOperationsAvailableToCommonStockholdersBasicAndVestedOptionsDeemedParticipatingSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-31
Value3234820914420217123021720125512016915522
Percentage of NetIncomeLossAttributabletoContinuingOperationsAvailableToCommonStockholdersBasicAndVestedOptionsDeemedParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:NetIncomeLossAvailableToCommonStockholdersBasicAndVestedOptionsDeemedParticipatingSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value3191192601442021712282171962589016915522192140138111141999911092108-94848481-113867368790816167565655-1044380
Percentage of NetIncomeLossAvailableToCommonStockholdersBasicAndVestedOptionsDeemedParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:Proceedspaymentsmadefromsalepurchaseofdiscontinuedoperations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value0904188000000
Percentage of Proceedspaymentsmadefromsalepurchaseofdiscontinuedoperations0.0100.0100.00.00.00.0100.00.00.0

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2020-03-282019-12-282018-09-30
Value09040
Percentage of Proceedspaymentsmadefromsalepurchaseofdiscontinuedoperations0.0100.0100.0

tdg:RefinancingCosts



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272014-09-302014-06-282013-09-302013-06-292013-03-302011-09-302011-07-022011-07-022011-04-022011-01-01
Value3220030040130332015000181801310030000170
Percentage of RefinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value422000
Percentage of RefinancingCosts133.3100.0100.0256.694.9

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value00000000000
Percentage of RefinancingCosts0.00.0-0.06.67.90.05.11.70.00.00.0

tdg:Refinancingcostsincludingwriteoffofdeferreddebtissuancecost



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-02
Value42200300401332-140
Percentage of Refinancingcostsincludingwriteoffofdeferreddebtissuancecost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

tdg:VestedOptionsDeemedParticipatingSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-03
Value330333033302330223033340404402220233033333
Percentage of VestedOptionsDeemedParticipatingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-01-01
Value172330181620131110121014108975768423177731
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-01-01
Value172330181620131110121014108975768423177731
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value8876755555544334334333313332221
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-01-012010-01-02
Value464049412320181917171723222523181816161313111313161717161599101111912121244
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value30303231171816
Percentage of AmortizationOfIntangibleAssets65.275.064.675.473.790.087.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value1610920322
Percentage of AmortizationOfIntangibleAssets34.825.019.448.813.010.011.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value007-9200
Percentage of AmortizationOfIntangibleAssets0.00.016.0-21.68.70.01.2

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-06-30
Value-15262727-1249-112491264842
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-30
Value0-30
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-0.0-0.1-0.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-30
Value-705734-40
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect46.226.93.2

srt:ParentCompany



Period End2020-03-282019-12-282019-09-30
Value210-6
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-1.40.00.5

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-30
Value-8421995-1203
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect55.273.296.3

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-29
Value0100
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect-0.00.0-0.0-0.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-282019-12-282019-03-302018-12-292013-07-312012-10-312009-10-31
Value0.032.50.00.022.012.857.65
Percentage of CommonStockDividendsPerShareDeclared0.0100.00.00.0100.0100.0100.0

us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-282019-12-282019-03-302018-12-29
Value5-53-3
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0

us-gaap:ForeignPlan, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-282019-12-282019-03-302018-12-29
Value1-11-1
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets20.020.033.333.3

us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-282019-12-282019-03-302018-12-29
Value3322
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0

us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

country:US, us-gaap:PensionPlansDefinedBenefit



Period End2020-03-282019-12-282019-03-302018-12-29
Value2211
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0

us-gaap:Depreciation



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value262927291715151413131312129109788887766665543
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax

tdg:SouriauSunbank



Period End2020-03-282019-12-28
Value-262
Percentage of DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax100.0100.0

tdg:SouriauSunbankandEIT



Period End2020-03-282019-03-30
Value-30
Percentage of DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax150.00.0

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

tdg:SouriauSunbankandEIT



Period End2020-03-282019-03-30
Value03
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax0.0100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-31
Value-0.071.240.90.00.00.0-0.030.0-0.10.05-0.5499999999999999-0.010.00.0
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicAndDilutedShare100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.00.00.0

us-gaap:EarningsPerShareBasicAndDiluted



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-09-302010-07-032010-04-032010-01-02
Value5.562.074.6199999999999992.573.63.054.1099999999999993.913.534.651.64999999999999953.082.780.413.44000000000000042.522.471.972.51.751.751.961.631.9000000000000001-1.661.49000000000000021.491.44-0.229999999999999980.711.250.661.631.681.511.151.261.061.061.04-0.190.960.830.720.01
Percentage of EarningsPerShareBasicAndDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-30
Value-23-403-21-5103-30-100-100000000000000
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-23-404-31
Percentage of EffectOfExchangeRateOnCashAndCashEquivalents100.0100.0100.051.2113.8112.3100.0

us-gaap:FinanceLeaseInterestExpense



Period End2020-03-28
Value1
Percentage of FinanceLeaseInterestExpense100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization



Period End2020-03-28
Value1000000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value-3929-3543-48-30-9
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

tdg:Airframe



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value-3016-5-41-30-9
Percentage of GoodwillForeignCurrencyTranslationGainLoss76.955.216.5-9.5-3.6100.0100.0100.0

tdg:NonAviationRelatedBusiness



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value-11-12-10000
Percentage of GoodwillForeignCurrencyTranslationGainLoss2.63.436.4-4.3-0.0-0.0-0.0-0.0

tdg:PowerAndControl



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value-812-1600000
Percentage of GoodwillForeignCurrencyTranslationGainLoss20.541.447.00.6-0.0-0.0-0.0-0.0

us-gaap:GoodwillPurchaseAccountingAdjustments



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-28
Value39-3-531920000421504-200-20113
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0

us-gaap:StatementBusinessSegments

tdg:Airframe



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-28
Value-55106-36130000000000-200-20000
Percentage of GoodwillPurchaseAccountingAdjustments-141.0-3533.368.773.00.00.00.00.00.00.00.00.0-2.10.8100.00.00.0100.00.014.247.22.1

tdg:NonAviationRelatedBusiness



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022014-09-302014-06-28
Value2-34-4000000000000
Percentage of GoodwillPurchaseAccountingAdjustments5.1100.0-9.3-25.90.00.00.00.00.00.00.00.00.00.00.00.0

tdg:PowerAndControl



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022014-09-302014-06-282014-03-292013-12-28
Value92-106-2110200004215040003
Percentage of GoodwillPurchaseAccountingAdjustments235.93533.340.653.0100.0100.00.0100.0100.0100.0100.0100.0102.199.20.085.830.697.9

us-gaap:IncomeLossFromContinuingOperationsPerBasicAndDilutedShare



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-03
Value5.630.833.7199999999999992.573.63.054.1400000000000013.913.634.62.19999999999999933.092.780.411.631.681.511.151.21.11.10.69-0.190.83
Percentage of IncomeLossFromContinuingOperationsPerBasicAndDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-31
Value-47150000-10-52-30000
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value00000
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity-0.00.00.00.07.6

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-3-4357-2-1
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity75.0-60.6114.50.092.4

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value00301620-10-52
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity-0.00.061.20.00.00.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value0114-700
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity-0.0160.6-14.50.0-0.0

us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

tdg:SouriauSunbank



Period End2020-03-282019-12-28
Value-471
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.0

tdg:SouriauSunbankandEIT



Period End2020-03-282019-03-30
Value-42
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.00.0

us-gaap:ConsolidatedEntities

us-gaap:IncomeLossFromEquityMethodInvestments

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value319304346144202196228
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value594493585554401325392
Percentage of IncomeLossFromEquityMethodInvestments186.2162.2168.8383.0198.5165.8171.8

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-913-797-932-699-603-521-621
Percentage of IncomeLossFromEquityMethodInvestments-286.2-262.2-268.8-483.0-298.5-265.8-271.8

us-gaap:IncreaseDecreaseInAccountsPayable



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value2-145-8-121713-41-2620-28141011-222101-2432-62-4-2-157-11-9
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value-23-51165852-4542675-8133-5942-1418-226-1701110321623-17-4-2015-19-8
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedLiabilities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value-826-41-113-112-1817-150-28-7-10-5936-67500-938-1656-3720-1736-5032-1811
Percentage of IncreaseDecreaseInAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-01
Value725-1270-150-317010-1031-406-3609-1-4-1-224-1-2
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-30
Value-103306-25-355129-19-23503121-830564-3640480-3545346-833-23510
Percentage of IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-27
Value-2088-98676207501-1-2-1629-5128-5574
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value2752-294492-610-16460120-23710-3000-313-2003
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-07-022011-04-022011-01-012010-07-032010-04-032010-01-02
Value-252-248-245-241-201-172-173-167-161-160-156-152-147-146-139-120-111-111-113-106-106-99-98-96-87-82-82-80-81-62-64-62-55-55-52-49-48-49-49-54-32-28-28-28
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value1755330-1
Percentage of InterestIncomeExpenseNet-6.7-2.0-2.1-1.5-1.5-0.00.8

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-769001032
Percentage of InterestIncomeExpenseNet2.8-2.4-3.8-0.0-0.0-5.8-18.6

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-254-250-250-226-201-177-199
Percentage of InterestIncomeExpenseNet100.8100.8102.294.099.8102.9115.3

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-9-9-8-17-4-4-4-2000
Percentage of InterestIncomeExpenseNet3.63.63.67.22.22.72.51.5-0.0-0.0-0.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-27
Value252-2481474-241-201-172-173-167-161-160-156-152-147-146-139-120-111-111-113-106-99-98
Percentage of InterestIncomeExpenseNet-100.0100.0-601.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-282019-12-282019-03-302018-12-29
Value269155211154
Percentage of InterestPaidNet100.0100.0100.0100.0

us-gaap:LeaseCost



Period End2020-03-28
Value9
Percentage of LeaseCost100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-29
Value-16621414-1640-33925-10-31161-1-70-541-784-34-61-391912612-9113302990
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-205-429-452-1449-174-235-334
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations12.3-30.327.645497.6-4.42260.78472.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-896663-376-2991353-211-35
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations53.946.922.99413.834.52029.8891.9

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value210-65-660
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations-1.30.00.4-177.2-0.2-57.713.5

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-5731172-94316262765430373
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations34.582.957.5-51046.470.4-4136.6-9446.5

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-99138115-40-4-1000
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations0.50.6-8.5-3618.0-0.1-2.4114.1-0.2-0.0-0.0-0.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value0-100-90-2
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations-0.0-0.10.127.0-0.2-0.055.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-29
Value-23877148-424-3560-52-108-551-8-15-16-51-270-10-345-587-738-8-8-8-40-271-7-480
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-15-22-46-36-18-49-19
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations65.2-2.5-31.38.50.593.318.3

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-7-46-1-2-4-2
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations30.4-0.54.70.40.17.62.5

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-1903187-386-35400-86
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations4.3103.0126.691.199.4-0.079.2

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-29
Value161433247315123329331237160292233225224164147190-618819112910411520369
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value2204484981482184285353
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations136.6103.5201.9469.9149.586.4106.6

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value20072333-695-296466
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations124.216.6134.9-220.6-23.619.420.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-268-80-447-356-45-19-94
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations-166.5-18.5-181.0-113.2-36.6-5.8-28.6

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value9-8-138-1154042000
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations5.6-1.8-56.2-36.53.7-0.01.40.90.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value0100902
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations0.00.20.40.37.30.00.7

us-gaap:OperatingLeaseCost



Period End2020-03-28
Value7
Percentage of OperatingLeaseCost100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value-251127-201-20-77-8527-3067222610
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value06-28000500070
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax-0.04.714.31.7-0.2-0.020.7-0.00.00.029.40.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value-14523-30-71-64-742714417138
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax57.818.115.0354.883.586.9101.0-6.365.877.34.8377.1

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-31
Value-10698-14251-12-11-5-3223517-28
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax42.277.270.7-256.516.713.1-21.7106.334.222.765.7-277.1

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-09-302012-06-302012-03-31
Value-14523-31-70-63-7328245181-82387-7-188-2488-13-101-6-4-44-4000-10
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292012-09-30
Value-14523-70-63-73282451813878-2412-13-101-6-44-400
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0146.7100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-28
Value-349-5-22-19-228014101-51232-4-105-1144751-4-121
Percentage of OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-31
Value-251127-203-18-76-8527-30682327161010-12-27-130-372525-38-21-18-600662-917-62-4
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-15-200120
Percentage of OtherComprehensiveIncomeLossNetOfTax0.43.91.0-1.5-0.0-14.1-0.2

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-101132-13889-86-13-2
Percentage of OtherComprehensiveIncomeLossNetOfTax40.2103.968.1-480.2113.115.3-9.8

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-251127-203-18-76-8527
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.799.999.9100.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-16543-336180-49-7428
Percentage of OtherComprehensiveIncomeLossNetOfTax65.733.9165.5-965.264.487.0102.8

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value267-180476-27113575-25
Percentage of OtherComprehensiveIncomeLossNetOfTax-106.4-141.7-234.61447.0-177.5-88.1-92.8

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-31
Value0-628000-500
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax0.0100.0100.0100.0100.00.0100.00.00.0

us-gaap:ConsolidationItems

us-gaap:OtherNonrecurringExpense

us-gaap:MaterialReconcilingItems



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-27
Value-101604001-8641000102-20-1000
Percentage of OtherNonrecurringExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-28
Value018586002400056630095000300036110554
Percentage of ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic0.0100.0100.00.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value001938735402885531500-7830256033057000472631473803483288136295
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSubordinatedLongTermDebt



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-302016-09-302013-09-302013-06-292013-03-302012-12-292011-09-302011-01-012010-01-02
Value-262526250-339239370049030004940054201583404
Percentage of ProceedsFromIssuanceOfSubordinatedLongTermDebt100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-28
Value-9100-100-7-10-60-1000000000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value00020
Percentage of ProceedsFromPaymentsForOtherFinancingActivities-0.00.00.0352.7-0.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-11000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities11.1100.0138.4-88.5-0.0

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value-80000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities88.90.0-17.859.6100.0

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value000-10000000
Percentage of ProceedsFromPaymentsForOtherFinancingActivities-0.00.0-20.5-180.2-13.376.5-0.0-0.0-0.0-0.0-0.0

us-gaap:ConsolidatedEntities

us-gaap:ProceedsFromRepaymentsOfRelatedPartyDebt

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-205-429-452-1451-172-235-334
Percentage of ProceedsFromRepaymentsOfRelatedPartyDebt100.0100.0100.0100.0100.0100.0100.0

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-895662-425-2991355-211-35
Percentage of ProceedsFromRepaymentsOfRelatedPartyDebt436.6-154.394.120.6-787.889.810.5

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value1855441664-11-3916-17
Percentage of ProceedsFromRepaymentsOfRelatedPartyDebt-904.9-10.3-367.90.822.7-6.85.2

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value-746-285-9241647-1131430393
Percentage of ProceedsFromRepaymentsOfRelatedPartyDebt363.966.4204.3-113.5657.6-183.0-117.5

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-30
Value-99138116-40-3-492000
Percentage of ProceedsFromRepaymentsOfRelatedPartyDebt4.4-2.1-30.7-8.02.7-0.21.10.00.00.00.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value0-100-90-2
Percentage of ProceedsFromRepaymentsOfRelatedPartyDebt-0.00.20.20.15.2-0.00.6

us-gaap:ProceedsFromStockOptionsExercised



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-09-302011-01-012010-01-02
Value4920171732141614197334881331712562617523120
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:ParentCompany



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-30
Value49201717331416
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.7100.198.8100.0

us-gaap:RepaymentsOfSeniorDebt



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302011-09-302011-01-01
Value-116811680055000000052800780
Percentage of RepaymentsOfSeniorDebt100.0100.00.00.0100.00.00.00.00.00.00.0100.00.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value000000000
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-01-01
Value492017321416141872348813317125626175232
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302016-12-312016-09-302016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-12-312011-01-01
Value492017321416141973348813317125626175232
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0103.2100.0125.1100.0113.6100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.999.999.999.999.999.9

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-282017-09-302016-09-302016-01-022014-09-302008-10-23
Value1900708715
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.00.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-282017-09-302016-09-302016-01-022014-09-30
Value19007087
Percentage of TreasuryStockValueAcquiredCostMethod100.0-0.00.0100.0100.0

us-gaap:WeightedAverageNumberOfShareOutstandingBasicAndDiluted



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-02
Value575705656560555555054555605556560565656560570575605454540535353053
Percentage of WeightedAverageNumberOfShareOutstandingBasicAndDiluted100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0

tdg:DebtInstrumentUnamortizedDiscountExcludingCurrentMaturities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value22141516172020211415141011161111555
Percentage of DebtInstrumentUnamortizedDiscountExcludingCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:DeferredFinanceCostsExcludingCurrentMaturities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value153160146153158951001048892948691858183707377
Percentage of DeferredFinanceCostsExcludingCurrentMaturities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

tdg:ForeignCurrencyContractAsset

us-gaap:AccruedLiabilities



Period End2020-03-282019-12-282019-09-30
Value1046
Percentage of ForeignCurrencyContractAsset100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AccruedLiabilities, us-gaap:FairValueInputsLevel2



Period End2020-03-282019-12-282019-09-30
Value1046
Percentage of ForeignCurrencyContractAsset100.0100.0100.0

us-gaap:LongtermDebtType

tdg:Governmentrefundableadvances

tdg:GovernmentRefundableAdvances



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value27313939380
Percentage of Governmentrefundableadvances100.0100.0100.0100.0100.00.0

us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

tdg:IndefiniteLivedIntangibleAssetsExcludingGoodwillGross

us-gaap:TrademarksAndTradeNames



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value95495795610371037796799746742730729733729718720634
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwillGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:IntangibleAssetsAccumulatedAmortization



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value658614579529487464444425406388397379381359333257
Percentage of IntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

tdg:IntangibleAssetsExcludingGoodwillNet

us-gaap:TrademarksAndTradeNames



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value95495795610371037796799746742730729733729718720634
Percentage of IntangibleAssetsExcludingGoodwillNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

tdg:InterestRateCashFlowHedgeAssetatCarryingValue

us-gaap:OtherNoncurrentAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value011392136312714128151948
Percentage of InterestRateCashFlowHedgeAssetatCarryingValue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation

tdg:InterestRateSwapLiabilitiesCarryingAmount

us-gaap:AccruedLiabilities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282013-09-30
Value381413810011122022242829303125242522242056
Percentage of InterestRateSwapLiabilitiesCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentLiabilities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282013-09-30
Value3291692021658626040191371153635234492541184227
Percentage of InterestRateSwapLiabilitiesCarryingAmount865.81207.11531.11851.87424.84323.626.9267.23.59.446.962.732.239.9184.4206.6165.7136.7200.8101.0180.774.623.2437.3108.6

us-gaap:ShortTermDebtType

tdg:LongtermDebtCurrentMaturitiesGross

tdg:LongtermDebtCurrentMaturities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value2808180814517676766969706464645353434343
Percentage of LongtermDebtCurrentMaturitiesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:LongtermDebtExcludingCurrentMaturitiesGross



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value18108181261663116665166841262312623126421146811485115021092510941106571003510048816781788188
Percentage of LongtermDebtExcludingCurrentMaturitiesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:NetContractAsset



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value10152038591115
Percentage of NetContractAsset100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermDebtType

tdg:ShorttermBankLoansandNotesPayableGross

us-gaap:AssetBackedSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022015-09-30
Value350350350300300300300300300300300200200200200200200
Percentage of ShorttermBankLoansandNotesPayableGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-30
Value76126556756896593993512852922963353193293053443393062992713062533132302172262171841591631421398611676120731027068
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value239240237213162
Percentage of AccruedLiabilitiesCurrent31.49.035.130.946.3

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value26025321021956
Percentage of AccruedLiabilitiesCurrent34.29.531.131.816.2

srt:Subsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value2492158215252118
Percentage of AccruedLiabilitiesCurrent32.781.331.936.733.7

tdg:TransDigmUK



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value1341241241340
Percentage of AccruedLiabilitiesCurrent1.70.21.90.62.01.13.81.60.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent



Period End2020-03-282019-12-282019-09-302018-09-302018-06-302018-03-312017-12-302017-09-302016-09-30
Value0096200076770
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent0.00.0100.00.00.00.0100.0100.00.0

us-gaap:LongtermDebtType

us-gaap:CapitalLeaseObligations

us-gaap:CapitalLeaseObligations



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value58524964650
Percentage of CapitalLeaseObligations100.0100.0100.0100.0100.00.0

us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value266841941467271624412337207318531011857650970985972158616666128057149153921011819729475410564269680554440302376
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value46495153661618
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value40434443661618
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetNoncurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value6679000
Percentage of ContractWithCustomerAssetNetNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value36343115652
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value2118177652
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-10-01
Value1516137000
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value18388182071671216747171361269912699127191153811555115731099011006107221008810101821082218232
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

tdg:SeniorSecuredNotes1.1Bdue20258, us-gaap:SeniorNotes



Period End2020-03-28
Value1100
Percentage of DebtInstrumentCarryingAmount6.0

tdg:SeniorSecuredNotes400MDue20266.25, us-gaap:SeniorNotes



Period End2020-03-28
Value400
Percentage of DebtInstrumentCarryingAmount2.2

tdg:SeniorSubordinatedNotesDue20256.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012017-03-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-05-14
Value750750750750750750750750750750750750750300450450450450450450450
Percentage of DebtInstrumentCarryingAmount4.14.14.54.54.45.95.95.96.56.56.56.86.80.04.24.54.55.55.55.50.0

us-gaap:LongtermDebtType

tdg:TermLoans



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272014-12-272014-09-302014-06-282013-09-302013-06-292013-03-302012-09-302011-09-302011-07-022010-09-30
Value75037524752375427561759975997619693869556973639064066422528853014360437143774399387338733890308121892194201915381542780
Percentage of DebtInstrumentCarryingAmount40.841.345.045.044.159.859.859.960.160.260.358.158.259.952.452.553.153.253.20.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevolvingCreditFacility



Period End2020-03-28
Value200
Percentage of DebtInstrumentCarryingAmount1.1

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentFaceAmount

tdg:TrancheE, tdg:TermLoans



Period End2020-03-282015-05-14
Value22161000
Percentage of DebtInstrumentFaceAmount100.0100.0

tdg:TrancheF, tdg:TermLoans



Period End2020-03-282016-06-09
Value3515500
Percentage of DebtInstrumentFaceAmount158.60.0

tdg:TrancheG, tdg:TermLoans



Period End2020-03-282017-08-22
Value17741800
Percentage of DebtInstrumentFaceAmount80.10.0

us-gaap:ShortTermDebtType

us-gaap:RevolvingCreditFacility



Period End2020-03-28
Value200
Percentage of DebtInstrumentFaceAmount9.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

tdg:TrancheF, tdg:TermLoans



Period End2020-03-282016-09-30
Value86
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value221415161720202114
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

tdg:SeniorSecuredNotes4BDue20266.25, us-gaap:SeniorNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-30
Value-2-2-1-1-1
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet-9.1-14.3-11.7-11.5-11.4

tdg:SeniorSubordinatedNotesDue20256.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value-3-3-3-3-3-3-3-3-4
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet-13.6-21.4-20.0-19.8-19.6-17.4-17.3-17.2-28.3

tdg:Seniorsubordinatednotesdue20266.875, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value33333333
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet13.621.420.319.919.617.417.217.0

us-gaap:LongtermDebtType

tdg:TermLoans



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value241617181920212118
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet109.1114.3111.4111.4111.3100.1100.1100.2128.3

us-gaap:RevolvingCreditFacility



Period End2020-03-28
Value0
Percentage of DebtInstrumentUnamortizedDiscountPremiumNet0.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DeferredFinanceCostsGross

tdg:SeniorSubordinatedNotes2650MDue20275.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-28
Value23
Percentage of DeferredFinanceCostsGross100.0

tdg:TrancheF, tdg:TermLoans



Period End2020-03-282017-09-302017-07-01
Value11111
Percentage of DeferredFinanceCostsGross6.80.00.0

us-gaap:DeferredFinanceCostsNet



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value154161147154161961011058892958791858184707377
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

tdg:A6.50SeniorSubordinatedNotesDue2024, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value555566677788889991010
Percentage of DeferredFinanceCostsNet3.23.13.93.93.96.86.86.88.48.38.59.69.410.411.311.313.913.713.4

tdg:SeniorSecuredNotes4BDue20266.25, us-gaap:SeniorNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-30
Value5557596162
Percentage of DeferredFinanceCostsNet35.735.440.440.138.6

tdg:SeniorSubordinatedNotes550MDue20277.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-30
Value55555
Percentage of DeferredFinanceCostsNet3.23.13.63.43.3

tdg:SeniorSubordinatedNotesDue20256.50, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value3323333333444444444
Percentage of DeferredFinanceCostsNet1.91.92.02.02.03.53.53.54.24.24.24.84.54.75.14.96.15.95.8

tdg:SeniorSubordinatedNotesDue20266.375, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-02
Value6767777888899999
Percentage of DeferredFinanceCostsNet3.94.34.64.64.57.87.77.69.39.29.310.410.211.011.811.8

tdg:Seniorsubordinatednotesdue20266.875, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value55555555
Percentage of DeferredFinanceCostsNet3.23.13.73.73.45.85.64.8

us-gaap:LongtermDebtType

tdg:TermLoans



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value52565760636669736063645458514244384143
Percentage of DeferredFinanceCostsNet33.834.839.139.539.568.868.969.468.068.067.462.863.559.952.452.355.355.856.3

us-gaap:RevolvingCreditFacility



Period End2020-03-28
Value0
Percentage of DeferredFinanceCostsNet0.0

us-gaap:ShortTermDebtType

tdg:LongtermDebtCurrentMaturities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value1100300000000000000
Percentage of DeferredFinanceCostsNet0.60.60.50.52.20.60.60.60.60.60.60.60.60.50.50.50.50.50.5

us-gaap:AssetBackedSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022015-09-30
Value00000000000000000
Percentage of DeferredFinanceCostsNet0.00.00.30.00.10.40.50.00.20.30.40.00.10.20.30.00.3

us-gaap:DeferredIncomeTaxLiabilities



Period End2020-03-282019-09-302018-09-302017-09-302016-09-302015-09-302014-09-302013-09-30
Value385308352467464542473443
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-282019-09-30
Value289347
Percentage of DeferredIncomeTaxLiabilities75.1112.5

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-09-30
Value9694
Percentage of DeferredIncomeTaxLiabilities24.930.5

us-gaap:DeferredTaxAssetsGross



Period End2020-03-282019-09-302015-09-302014-09-302013-09-302012-09-302011-09-302010-09-30
Value130155132115826030
Percentage of DeferredTaxAssetsGross100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:GuarantorSubsidiaries



Period End2020-03-28
Value0
Percentage of DeferredTaxAssetsGross0.0

srt:NonGuarantorSubsidiaries



Period End2020-03-28
Value13
Percentage of DeferredTaxAssetsGross100.0

srt:ParentCompany



Period End2020-03-28
Value0
Percentage of DeferredTaxAssetsGross0.0

srt:Subsidiaries



Period End2020-03-28
Value0
Percentage of DeferredTaxAssetsGross0.0

tdg:TransDigmUK



Period End2020-03-28
Value0
Percentage of DeferredTaxAssetsGross0.0

us-gaap:ConsolidationItems

srt:ConsolidationEliminations



Period End2020-03-28
Value0
Percentage of DeferredTaxAssetsGross0.0

us-gaap:DerivativeAssetFairValueGrossLiability



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-30
Value36718321517398460173223640404783
Percentage of DerivativeAssetFairValueGrossLiability100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-30
Value36718321517398460173223640404783
Percentage of DerivativeAssetFairValueGrossLiability100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeBasisSpreadOnVariableRate

tdg:TrancheE, tdg:InterestrateswapbeginningJune292018



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302020



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302022



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningMarch312016



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheF, tdg:InterestrateswapJune282016



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0250.0250.0250.0250.0250.00.00.00.02750.0275
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.00.00.0

tdg:TrancheF, tdg:InterestrateswapbeginningJune302021



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheF, us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-07-012017-04-012016-12-31
Value0.0250.0250.0250.0250.00.00.00.02750.02750.030.030.03
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.00.00.00.00.00.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningDecember312021



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302017



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0250.0250.0250.0250.0250.00.00.00.030.03
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302022



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheG, us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0250.0250.0250.0250.0250.00.00.00.030.03
Percentage of DerivativeBasisSpreadOnVariableRate100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeCapInterestRate

tdg:TrancheF, us-gaap:InterestRateCap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-31
Value0.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.020.020.020.02
Percentage of DerivativeCapInterestRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAsset



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-30
Value01132857108897334221530354
Percentage of DerivativeFairValueOfDerivativeAsset0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateCap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-30
Value01139213631271412815194
Percentage of DerivativeFairValueOfDerivativeAsset0.0100.0100.0100.033.237.733.435.537.040.858.356.850.056.6100.0

us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-30
Value00001835725746209615150
Percentage of DerivativeFairValueOfDerivativeAsset0.00.00.00.066.862.366.664.563.059.241.743.250.043.40.0

us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFixedInterestRate

tdg:TrancheE, tdg:InterestrateswapbeginningJune292018



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0550.0550.0550.0550.0550.00.00.0
Percentage of DerivativeFixedInterestRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302020



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.050.050.050.050.050.00.00.0
Percentage of DerivativeFixedInterestRate90.990.990.990.990.90.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302022



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0560.0560.0560.0560.0560.00.00.0
Percentage of DerivativeFixedInterestRate101.8101.8101.8101.8101.80.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningMarch312016



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0530.0530.0530.0530.0530.00.00.0
Percentage of DerivativeFixedInterestRate96.496.496.496.496.40.00.00.0

tdg:TrancheF, tdg:InterestrateswapJune282016



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0430.0430.0430.0430.0430.00.00.00.04550.0455
Percentage of DerivativeFixedInterestRate78.278.278.278.278.20.00.00.00.00.0

tdg:TrancheF, tdg:InterestrateswapbeginningJune302021



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0550.0550.0550.0550.0550.00.00.0
Percentage of DerivativeFixedInterestRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheF, us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-07-012017-04-012016-12-31
Value0.0490.0490.0490.0490.0490.00.00.00.04650.04650.0480.0480.048
Percentage of DerivativeFixedInterestRate89.189.189.189.189.10.00.00.00.00.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningDecember312021



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0560.0560.0560.0560.0560.00.00.0
Percentage of DerivativeFixedInterestRate101.8101.8101.8101.8101.80.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302017



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0440.0440.0440.0440.0440.0440.0440.0440.0440.049
Percentage of DerivativeFixedInterestRate80.080.080.080.080.00.00.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302022



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0550.0550.0550.0550.0550.00.00.0
Percentage of DerivativeFixedInterestRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheG, us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0440.0440.0440.0440.0440.0440.0440.0440.0490.054
Percentage of DerivativeFixedInterestRate80.080.080.080.080.00.00.00.00.00.0

us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

tdg:TrancheE, tdg:InterestratecapbeginningJune302020



Period End2020-03-28
Value750
Percentage of DerivativeNotionalAmount100.0

tdg:TrancheE, tdg:InterestratecapbeginningSeptember302015



Period End2020-03-28
Value750
Percentage of DerivativeNotionalAmount100.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune292018



Period End2020-03-28
Value500
Percentage of DerivativeNotionalAmount66.7

tdg:TrancheE, tdg:InterestrateswapbeginningJune302020



Period End2020-03-28
Value750
Percentage of DerivativeNotionalAmount100.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302022



Period End2020-03-28
Value1500
Percentage of DerivativeNotionalAmount200.0

tdg:TrancheE, tdg:InterestrateswapbeginningMarch312016



Period End2020-03-28
Value750
Percentage of DerivativeNotionalAmount100.0

tdg:TrancheF, tdg:InterestratecapagreementsbeginningJune302016



Period End2020-03-28
Value400
Percentage of DerivativeNotionalAmount53.3

tdg:TrancheF, tdg:InterestrateswapJune282019



Period End2020-03-28
Value1000
Percentage of DerivativeNotionalAmount133.3

tdg:TrancheF, tdg:InterestrateswapbeginningJune302021



Period End2020-03-28
Value1400
Percentage of DerivativeNotionalAmount186.7

tdg:TrancheF, us-gaap:InterestRateSwap



Period End2020-03-28
Value1000
Percentage of DerivativeNotionalAmount133.3

tdg:TrancheG, tdg:InterestrateswapbeginningDecember312021



Period End2020-03-28
Value900
Percentage of DerivativeNotionalAmount120.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302017



Period End2020-03-28
Value400
Percentage of DerivativeNotionalAmount53.3

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302022



Period End2020-03-28
Value400
Percentage of DerivativeNotionalAmount53.3

tdg:TrancheG, us-gaap:InterestRateCap



Period End2020-03-28
Value400
Percentage of DerivativeNotionalAmount53.3

tdg:TrancheG, us-gaap:InterestRateSwap



Period End2020-03-28
Value500
Percentage of DerivativeNotionalAmount66.7

us-gaap:DerivativeInstrumentRisk

us-gaap:ForeignExchangeForward



Period End2020-03-28
Value145
Percentage of DerivativeNotionalAmount19.5

us-gaap:DebtInstrument, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeVariableInterestRate

tdg:TrancheE, tdg:InterestrateswapbeginningJune292018



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.030.030.030.030.030.00.00.0
Percentage of DerivativeVariableInterestRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302020



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0250.0250.0250.0250.0250.00.00.0
Percentage of DerivativeVariableInterestRate83.383.383.383.383.30.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningJune302022



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0310.0310.0310.0310.0310.00.00.0
Percentage of DerivativeVariableInterestRate103.3103.3103.3103.3103.30.00.00.0

tdg:TrancheE, tdg:InterestrateswapbeginningMarch312016



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0280.0280.0280.0280.0280.00.00.0
Percentage of DerivativeVariableInterestRate93.393.393.393.393.30.00.00.0

tdg:TrancheF, tdg:InterestrateswapJune282016



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0180.0180.0180.0180.0180.00.00.00.0180.018
Percentage of DerivativeVariableInterestRate60.060.060.060.060.00.00.00.00.00.0

tdg:TrancheF, tdg:InterestrateswapbeginningJune302021



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.030.030.030.030.030.00.00.0
Percentage of DerivativeVariableInterestRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheF, us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-07-012017-04-012016-12-31
Value0.0240.0240.0240.0240.00.00.00.0190.0190.0180.0180.018
Percentage of DerivativeVariableInterestRate80.080.080.080.00.00.00.00.00.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningDecember312021



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.0310.0310.0310.0310.0310.00.00.0
Percentage of DerivativeVariableInterestRate103.3103.3103.3103.3103.30.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302017



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0190.0190.0190.0190.0190.00.00.00.0190.019
Percentage of DerivativeVariableInterestRate63.363.363.363.363.30.00.00.00.00.0

tdg:TrancheG, tdg:InterestrateswapbeginningSeptember302022



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-30
Value0.030.030.030.030.030.00.00.0
Percentage of DerivativeVariableInterestRate100.0100.0100.0100.0100.00.00.00.0

tdg:TrancheG, us-gaap:InterestRateSwap



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-30
Value0.0190.0190.0190.0190.0190.00.00.00.0240.024
Percentage of DerivativeVariableInterestRate63.363.363.363.363.30.00.00.00.00.0

us-gaap:FinanceLeaseLiability



Period End2020-03-282019-12-28
Value5852
Percentage of FinanceLeaseLiability100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

tdg:Technology



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value5425194964744514334163993833673513353193042882732592462332192071961861751641541431311221141059775
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value413529211714
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization7.66.76.04.53.83.4

us-gaap:OrderOrProductionBacklog



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value65514424107542126254438292117131098864148733732417
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization12.09.89.05.12.31.61.31.10.60.47.67.513.812.810.38.06.85.34.64.53.94.13.22.39.05.75.52.63.26.23.724.823.7

us-gaap:OtherIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302011-09-30
Value10998823222120191918171615151414131212111110998877675
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization1.81.71.81.91.95.55.45.45.45.45.45.45.55.45.55.65.75.75.85.96.06.06.06.16.16.16.16.26.26.26.27.87.6

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

tdg:Technology



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-09-30
Value182918401805186718531348134713091292128912921305128512771279127310951077110011211011853854856856851801790721721723546
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value43644343725121562
Percentage of FiniteLivedIntangibleAssetsGross23.824.124.313.511.74.6

us-gaap:OrderOrProductionBacklog



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-09-30
Value90931068988121211822929515555362217192313888252519637524
Percentage of FiniteLivedIntangibleAssetsGross4.95.15.94.84.80.90.90.80.70.22.22.34.04.34.32.82.01.71.82.11.30.90.90.93.02.92.40.90.51.10.84.5

us-gaap:OtherIntangibleAssets



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302011-09-30
Value1818161616787373636363636343434343434343434343434343434343434310
Percentage of FiniteLivedIntangibleAssetsGross1.01.00.90.90.95.95.55.64.94.94.94.94.93.43.43.44.04.03.93.94.35.15.15.05.15.15.45.56.06.06.02.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value3327335133233263321122362232214021062086211521322130209420981797
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-09-302016-09-302015-09-302014-09-302013-09-302012-09-302011-09-302010-09-30
Value160181921911241179688838283656959393717
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:InterestRateCashFlowHedgeAssetAtFairValue

us-gaap:OtherNoncurrentAssets, us-gaap:FairValueInputsLevel2



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-30
Value011392136312714128151944378
Percentage of InterestRateCashFlowHedgeAssetAtFairValue0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BalanceSheetLocation, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:InterestRateCashFlowHedgeLiabilityAtFairValue

us-gaap:AccruedLiabilities, us-gaap:FairValueInputsLevel2



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302014-09-30
Value3814138100111220222428293031252420
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentLiabilities, us-gaap:FairValueInputsLevel2



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302014-09-30
Value3291692021658626040191371153635234494
Percentage of InterestRateCashFlowHedgeLiabilityAtFairValue865.81207.11531.11851.87424.84323.626.9267.23.59.446.962.732.239.9184.4206.6165.7136.7200.823.2

us-gaap:InventoryGross



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022010-09-30
Value14641428135615301558940904913857831815837816802806791711669658638614527514517509489457466378369354362359300289287204
Percentage of InventoryGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterials



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022010-09-30
Value867858804839811581540553517514496510499485464452427403371376361308298302300295274265226213203201199165160154112
Percentage of InventoryRawMaterials100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryValuationReserves



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022015-09-30
Value151134123116105101999890878494918782857767
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcess



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022010-09-30
Value38937336045748323623722020418218719118918118817816314716414716413514614614213312413010110310210410292858661
Percentage of InventoryWorkInProcess100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent



Period End2020-03-282019-12-282019-09-302018-09-302018-06-302018-03-312017-12-302017-09-302016-09-30
Value0015600013170
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent0.00.0100.00.00.00.0100.0100.00.0

us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:LongTermDebtFairValue

tdg:A6.50SeniorSubordinatedNotesDue2024, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value1110123612391209123011581215121512301224123612331215125412661119
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

tdg:SeniorSecuredNotes4BDue20266.25, us-gaap:FairValueInputsLevel1, us-gaap:SecuredDebt



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value398043254290419041300
Percentage of LongTermDebtFairValue358.6349.9346.2346.6335.80.0

tdg:SeniorSubordinatedNotes2650MDue20275.50, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-28
Value23852686
Percentage of LongTermDebtFairValue214.9217.3

tdg:SeniorSubordinatedNotes550MDue20277.50, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-09-30
Value5286015955725620
Percentage of LongTermDebtFairValue47.648.648.147.345.70.0

tdg:SeniorSubordinatedNotesDue20226.00, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value0011671161116511321155115511731170117811781161119012141081
Percentage of LongTermDebtFairValue0.00.094.296.194.897.895.195.195.495.695.495.695.694.995.996.6

tdg:SeniorSubordinatedNotesDue20256.50, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value694781781753757716757757765767776767757468469417
Percentage of LongTermDebtFairValue62.563.263.162.361.661.962.362.362.262.762.862.262.337.337.137.3

tdg:SeniorSubordinatedNotesDue20266.375, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value88410079989549388889429429549599719619459789850
Percentage of LongTermDebtFairValue79.681.580.679.076.376.777.677.677.678.478.678.077.878.077.90.0

tdg:Seniorsubordinatednotesdue20266.875, us-gaap:FairValueInputsLevel1, us-gaap:SeniorSubordinatedNotes



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302017-09-30
Value4605365355024964805075060
Percentage of LongTermDebtFairValue41.443.443.241.640.341.541.841.70.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType

us-gaap:FairValueInputsLevel2, tdg:TermLoans



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272014-12-272014-09-302014-06-282013-09-30
Value615875097477735873447125760775366935695369656367634364475284521942994223434443653792382138743065
Percentage of LongTermDebtFairValue554.8607.5603.5608.7597.1615.3626.1620.3563.9568.1563.6516.4522.1514.1417.40.00.00.0388.20.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:CapitalLeaseObligations



Period End2020-03-282019-12-282019-09-302018-09-30
Value5852490
Percentage of LongTermDebtFairValue5.24.24.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ShortTermDebtType

us-gaap:FairValueInputsLevel2, us-gaap:RevolvingCreditFacility



Period End2020-03-282019-09-30
Value2000
Percentage of LongTermDebtFairValue18.00.0

us-gaap:LongtermDebtType

tdg:GovernmentRefundableAdvances



Period End2020-03-282019-12-282019-09-302018-09-30
Value2731390
Percentage of LongTermDebtFairValue2.42.53.20.0

us-gaap:BusinessAcquisition

us-gaap:LossContingencyAccrualAtCarryingValue

tdg:Esterline



Period End2020-03-282019-12-282019-09-302019-03-14
Value211222231268
Percentage of LossContingencyAccrualAtCarryingValue100.0100.0100.0100.0

us-gaap:BusinessAcquisition

us-gaap:LossContingencyAccrualCarryingValueCurrent

tdg:Esterline



Period End2020-03-282019-12-282019-09-30
Value647160
Percentage of LossContingencyAccrualCarryingValueCurrent100.0100.0100.0

us-gaap:BusinessAcquisition

us-gaap:LossContingencyAccrualCarryingValueNoncurrent

tdg:Esterline



Period End2020-03-282019-12-282019-09-30
Value146150171
Percentage of LossContingencyAccrualCarryingValueNoncurrent100.0100.0100.0

us-gaap:OperatingLeaseLiability



Period End2020-03-282019-12-282019-10-01
Value107108105
Percentage of OperatingLeaseLiability100.0100.0100.0

us-gaap:ShortTermBankLoansAndNotesPayable



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-28
Value350350349299299299299299299299299199199199199199199199200200200200200200
Percentage of ShortTermBankLoansAndNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities

srt:NonGuarantorSubsidiaries



Period End2020-03-282019-12-282019-09-302019-06-292018-09-30
Value350350349299299
Percentage of ShortTermBankLoansAndNotesPayable100.0100.0100.0100.0100.0

us-gaap:ShortTermDebtType

us-gaap:AssetBackedSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022015-09-302014-09-302014-06-28
Value350350349299299299299299299299299199199199199199200200200
Percentage of ShortTermBankLoansAndNotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:ShortTermDebtType

us-gaap:ShorttermDebtFairValue

us-gaap:FairValueInputsLevel1, us-gaap:AssetBackedSecurities



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302015-09-30
Value350350349299299299299299299299299199199199199199
Percentage of ShorttermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022011-04-022011-01-012010-09-302008-10-23
Value4444444444443222211111100000000000000000
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022015-09-30
Value44-4444-444444322-2-2-1
Percentage of TreasuryStockShares100.0100.0-100.0100.0100.0100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0-100.0-100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate



Period End2020-03-282019-12-282019-09-302019-06-292019-03-302018-12-292018-09-302018-06-302018-03-312017-12-302017-09-302017-07-012017-04-012016-12-312016-09-302016-07-022016-04-022016-01-022015-09-302015-06-272015-03-282014-12-272014-09-302014-06-282014-03-292013-12-282013-09-302013-06-292013-03-302012-12-292012-09-302012-06-302012-03-312011-12-312011-09-302011-07-022010-09-30
Value36313116181314108886778766689111355556666787761
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:Revenues us-gaap:ConsolidatedEntities


us-gaap:CostOfGoodsAndServicesSold us-gaap:ConsolidatedEntities


us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities


us-gaap:GrossProfit us-gaap:ConsolidatedEntities


us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidatedEntities


us-gaap:OperatingIncomeLoss us-gaap:ConsolidatedEntities


us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidatedEntities


us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidatedEntities


us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities


us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidatedEntities


us-gaap:ProfitLoss us-gaap:ConsolidatedEntities


us-gaap:ComprehensiveIncomeNetOfTax us-gaap:ConsolidatedEntities


us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities


us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:Assets us-gaap:ConsolidationItems


us-gaap:Assets us-gaap:ConsolidatedEntities


us-gaap:Liabilities us-gaap:ConsolidatedEntities


us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities


us-gaap:AssetsCurrent us-gaap:ConsolidatedEntities


us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities


us-gaap:AccountsReceivableNetCurrent us-gaap:ConsolidatedEntities


us-gaap:InventoryNet us-gaap:ConsolidatedEntities


us-gaap:PrepaidExpenseAndOtherAssetsCurrent us-gaap:ConsolidatedEntities


us-gaap:PropertyPlantAndEquipmentNet us-gaap:ConsolidatedEntities


us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures us-gaap:ConsolidatedEntities


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:Goodwill us-gaap:ConsolidatedEntities


us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidatedEntities


us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass


us-gaap:OtherAssetsNoncurrent us-gaap:ConsolidatedEntities


us-gaap:LiabilitiesCurrent us-gaap:ConsolidatedEntities


us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities


us-gaap:AccountsPayableCurrent us-gaap:ConsolidatedEntities


us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType


us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType


us-gaap:LongTermDebt us-gaap:LongtermDebtType


us-gaap:LongTermDebtNoncurrent us-gaap:ConsolidatedEntities


us-gaap:OtherLiabilitiesNoncurrent us-gaap:ConsolidatedEntities


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities


us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents


us-gaap:NetIncomeLoss us-gaap:ConsolidatedEntities


us-gaap:ProfitLoss us-gaap:ConsolidatedEntities


us-gaap:PaymentsToAcquirePropertyPlantAndEquipment us-gaap:ConsolidatedEntities