MCHP


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ContractWithCustomerSalesChannel
us-gaap:ProductOrService
us-gaap:StatementBusinessSegments

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues

us-gaap:CostOfRevenue

us-gaap:GrossProfit
us-gaap:StatementBusinessSegments

us-gaap:OperatingExpenses

us-gaap:ResearchAndDevelopmentExpense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:InterestExpense
us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt

us-gaap:OtherNonoperatingIncomeExpense
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:Assets

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:ShortTermInvestments

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:OtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:ReportingUnit

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

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensation

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

mchp:Amortizationofintangibleassetsacquiredinabusinesscombination
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
mchp:DebtInstrumentConvertibleConversionRatioIncreaseOptionAdjustedforDividends
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
mchp:DebtInstrumentConvertibleConversionRatioMaximumConversionRateAdjustedforPaidDividends
us-gaap:DebtInstrument
mchp:ExtinguishmentofDebtPrincipalAmount

mchp:RestructuringReserveSettledWithoutCashAndOtherAdjustments
us-gaap:RestructuringCostAndReserve
us-gaap:BalanceSheetLocation
mchp:SharebasedCompensationExpensePreviouslyCapitalized
us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt
mchp:TotalConsiderationExtinguishmentofDebt
us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt
mchp:TotalConsiderationExtinguishmentofDebtEquityComponent
us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt
mchp:TotalConsiderationExtinguishmentofDebtLiabilityComponent

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax

us-gaap:AmortizationOfDebtDiscountPremium
us-gaap:LongtermDebtType

us-gaap:AmortizationOfFinancingCosts
us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfIntangibleAssets
us-gaap:IncomeStatementLocation

us-gaap:AssetImpairmentCharges

us-gaap:BusinessExitCosts1

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:DebtAndEquitySecuritiesGainLoss
us-gaap:LongtermDebtType, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleConversionRatio1

us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1
us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger
us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleThresholdTradingDays
us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPricePercentage

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:Depreciation
us-gaap:StatementScenario
us-gaap:DividendsCommonStock
us-gaap:BalanceSheetLocation
us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt
us-gaap:ExtinguishmentOfDebtAmount

us-gaap:GainLossOnSaleOfPropertyPlantEquipment

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill

us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestExpenseOther

us-gaap:InvestmentIncomeInterest
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
us-gaap:RestructuringCostAndReserve
us-gaap:StatementEquityComponents
us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherNonrecurringIncomeExpense

us-gaap:OtherRestructuringCosts

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfOrdinaryDividends

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireOtherProductiveAssets

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt
us-gaap:CreditFacility
us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfProductiveAssets
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:RepaymentsOfAssumedDebt
us-gaap:CreditFacility
us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve

us-gaap:SeveranceCosts1
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt
us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt
us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

us-gaap:TreasuryStockSharesAcquired
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:WriteOffOfDeferredDebtIssuanceCost

mchp:AmountOfDistributorAdvancesIncludedInAccountsReceivable
us-gaap:CreditFacility, us-gaap:LongtermDebtType
mchp:DebtInstrumentInterestRateSpreadOnOverdueAmountsInEventOfDefault
us-gaap:LongtermDebtType

mchp:DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsIntangibleAssets

mchp:DeferredTaxLiabilitySeniorandJuniorConvertibleDebentures
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
mchp:EstimatedFairValueOfLiabilityComponentOfDebenturesOnIssuanceDate
us-gaap:CreditFacility, us-gaap:LongtermDebtType
mchp:LineofCreditFacilityCovenantTotalIndebtednessConvertibleDebtExcludedMaximum
us-gaap:LongtermDebtType
us-gaap:CreditFacility, us-gaap:LongtermDebtType, mchp:DebtInstrumentLeverageRatio
mchp:LineofCreditFacilityCovenantTotalLeverageRatioMaximum
us-gaap:LongtermDebtType, mchp:DebtInstrumentLeverageRatio

mchp:SalesRelatedReserves

us-gaap:AccountsReceivableGrossCurrent
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AccruedEmployeeBenefitsCurrent

us-gaap:AccruedIncomeTaxesNoncurrent

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentConvertibleConversionPrice1
us-gaap:Range, us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis
us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType

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

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOtherFiniteLivedAssets

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:RetirementPlanName

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves
us-gaap:CreditFacility, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:RestrictedCash
us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments
us-gaap:RestructuringAndRelatedCostCostIncurredToDate1

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:RetirementPlanName
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:SharePrice
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount
us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward

us-gaap:TreasuryStockShares
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ValuationAllowancesAndReservesBalance

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:CommonStockValue ▃▃▃▃▃▃▃▃▃███▇▅▅▅▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0234000.0234000.0233000.0229000.0216000.0216000.0215000.0204000.0203000.0203000.0202000.0202000.0201000.0201000.0200000.0200000.0199000.0198000.0197000.0196000.0195000.0194000.0194000.0193000.0192000.0191000.0191000.0190000.0188000.0NANA185000.0NANANA
us-gaap:CommonStockSharesIssued █▇▇▇▇▇▇▇▇▇▇▇▆▄▄▄▃▃▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁258253253253253253253253253253253252249237237237227227227218218218218218218218218218218218218218218218218218218NANANA218NANANA
 us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStockIncludingAdditionalPaidInCapital█▁▁▁▁▁▁▁▁258253253253253253253253253NANANA249NANANA227NANANA218NANANA218NANANA218NANANA218NANANA218NANANA218NANANA
us-gaap:CommonStockSharesOutstanding █▇▇▇▇▇▇▇▇▇▆▆▆▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁245239238238237236236235235234233232229216215215204203203202202201200200200199198197196195194193193192191190189NANANA185NANANA
us-gaap:EarningsPerShareBasic ▅█▆▅▆▅▅▅▆▁▇▆▆▆▅▃▅▅▅▆▆▅▆▅▆▆▆▅0.420000000000000151.30.460.210.740.210.410.150.6300000000000001-1.070.810.740.630.50.16-0.530.330000000000000070.30.320.650.50.430.470.450.560.530.50.4NA0.05-0.110.41NA0.40.420.520.67000000000000020.540.550.480.40999999999999990.38NANA
us-gaap:EarningsPerShareDiluted ▆█▆▅▆▅▅▅▆▁▇▆▆▆▅▃▅▅▅▆▆▆▆▆▆▆▆▅▅▄▄▆▆▅▆▆▆▆▆▆▆▅▅▅0.391.20.430.20.70.20.380.140.58-1.070.770.70.570.460.14-0.530.310.280.30.60.450.390.420.40.50.480.460.370.280.05-0.110.390.390.380.40.490.620.510.540.470.40.370.240.15
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▇▇▇▇▇██▇▆▆▆▅▅▅▅▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁1326128713371322132913741432121210029941012972902834871799557540541533543528546528493482492462430416383352338329340374379367382357278250226192
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerSalesChannel us-gaap:SalesChannelDirectlyToConsumer▆▅▆▆▆▆█▁644618648638631645681540NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerSalesChannel us-gaap:SalesChannelThroughIntermediary▃▁▄▄▄▆█▂656638666665674686712645NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService mchp:AnalogInterfaceMixedSignalandTimingProducts▄▄▆▅▅▆█▁367363393386383396419331NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService mchp:LicensingMemoryandOther▁▅█136145152NA145163163NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService mchp:Microcontrollers▄▁▂▃▂▃█▄726685697708703716778722NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments mchp:SemiconductorProducts▇▇▇▇▇██▆▅▅▅▅▄▄▄▃▂▂▂▂▂▁▂▁▁▁▁▁13011257131413041305133113941185975966986947879810847778537517518510519505523508470458467440NA394363331NA306318353NANANANANANANANA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▇▇▇▇▇██▇▆▆▆▅▅▅▅▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁1326128713371322132913741432121210029941012972902834871799557540541533543528546528493482492462430416383352338329340374379367382357278250226192
us-gaap:Revenues ▇▇▇▇▇██▇▆▆▆▅▅▅▅▄▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁1326128713371322132913741432121210029941012972902834871799557540541533543528546528493482492462430416383352338329340374379367382357278250226192
us-gaap:CostOfRevenue ▃▃▃▃▃▅█▅▁▁▁512501510507509595743570387387398NANANANANANANANANANANANANANANANANANANANA149NA145145154154151157149109104NANA
us-gaap:GrossProfit ██████▇▆▆▆▆▆▅▅▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁81378582781582077968964261560761458453246541034830229230030931330130730629028228826623920019420319318319421922521622520716814512396
 us-gaap:GrossProfit us-gaap:StatementBusinessSegments mchp:SemiconductorProducts█▇███▇▆▆▅▅▅▅▄▃▃▂▁▁▁▂▂▁▂▂▁▁▁▁789755804796796736651615588579588559509441386327282270277285290279284286267258264244NA179174183NA162175200NANANANANANANANA
us-gaap:OperatingExpenses ████▆▇▇▆▄▄▄▄▄▄▄▄▂▂▂▁▂▂▂▁▁▁▁▁653654643643535584586509371361388362378347347407222216226187203203206190164165171168NA183186106NA959710210198101987973NANA
us-gaap:ResearchAndDevelopmentExpense ███████▆▄▄▄▄▄▄▄▄▂▂▂▂▂▂▂▂▁▁▁▁221217219219214217221171133131133130127132137147959795848788888477767873NA716448NA444545444243403330NANA
us-gaap:SellingGeneralAndAdministrativeExpense ▇██▇▇██▇▄▄▄▄▄▄▄▇▂▂▂▁▁▁▁▁▁▁▁▁165170172167167174176164114109114114111111120157787680666766716965666965NA697157NA525157565657574643NANA
us-gaap:OperatingIncomeLoss ▅▅▆▆█▆▄▅▇▇▇▇▅▅▃▁▄▄▄▅▄▄▄▅▅▅▅▄▃▃▂▄▄▄▄▅▅▅▅▄▄▄▃▃16013118317128419410213224424522522115411862-597976741211109810111512611611798561789693889711612411712310988725231
us-gaap:InterestExpense ▇▇█████▅▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁115119129132136137138905049494941353534262725242014141311121211NA11109NA-8-8-887-8-777NANA
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType us-gaap:ConvertibleDebt████████████▄▁▁▁19191919191919191919191914101010NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType us-gaap:SecuredDebt▁▃█596474NA818485NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherNonoperatingIncomeExpense ▅▄▄▄▆▄▄▂▁▄▅▅▄▄▄▄▄▃▄██▄▄▄▄▅▄▄3-1-1210-20-9-13-25410-22-1-5-11617-2-100320NA010NA0-21001000NANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▃▄▄▇▅▂▄███▇▅▅▄▁▅▄▄▆▅▅▅▆▆▆▆▅4510534015155-3937188196186166718325-9057505311962869010611811211190NA9290NA8390113NANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▃▁▃▄▄▄▃▄▄█▄▄▃▄▄▄▄▄▄▄▃▄▄▄▄▄▄▄-54-300-55-10-235-135241447-2-4-65-23-1018-9-11-10-10-361-117671111NANANANANANANANA-1012NANA80NANA
us-gaap:ComprehensiveIncomeNetOfTax ▅█▅▅▆▅▅▅▆▁▇▆▆▆▅▃▅▅▅▆▅▅▅▅▆▅▅▅10031110850171489440151-25519016513311232-12474536611495106849211510510068NA10-1778NA7673101NA10110982NANANANA
us-gaap:NetIncomeLoss ▅█▅▅▆▅▅▅▆▁▆▆▆▅▅▃▅▅▅▆▅▅▅▅▆▅▅▅▅▄▄▅▅▅▅▅▆▅▅▅▅▅9931110850174499635146-25118917013610733-1136761641309986938911110599785910-217880777999125100103897569NANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:Assets ▇▇▇█████▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁1742617588178581824618350181551866719248825781238055788776867144707473585567544657864856478046284610450140674003396538833851384338883144308330213033302929682828NANA2516NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇▇▇█████▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁1742617588178581824618350181551866719248825781238055788776867144707473585567544657864856478046284610450140674003396538833851384338883144308330213033302929682828NANA2516NANANA
us-gaap:StockholdersEquity █████▇▇▇▅▅▅▅▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▄▃▃▃▃▃▃558556165361528852875161517051233279318535463412-142566251925322150212621292098204422562203216921352075201819541933192719642017199019411903187918121649NANA1533NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStockIncludingAdditionalPaidInCapital▅██▇▆▅▅▄▁267527382731270326792657265226372562NANANA2537NANANANANANANANANANANA1244NANANA1255NANANA1269NANANA1268NANANA1277NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings██▇▇▇▇▇▇▁343234203197317532103122315931491397NANANA1479NANANANANANANANANANANA1467NANANA1352NANANA1499NANANA1428NANANA1266NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:AssetsCurrent ▄▃▄▄▄▂▄▆█▄▅▄▄▂▁▂▇▂▆▄▅▂▃▅▃▃▂▁▄▄▄▄▃▂▃▃▂▂22172104217722782214187721762818335622532443229823051676149016723096163227782255266417831978245019691969182016152236229622892229201518301933209517741738NANA1610NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▁▁▁▁▂▂▃▂▃▃▃▂▂▂█▁▂▂▂▁▂▂▂▁▁▁▂▂▁▃▂▂▂▂▂▂▁▂▂▁4013974014344284324596359016728267739086634896002092331539563607456481617466375344403528465436779635605675651703500423523492361NANA
us-gaap:ShortTermInvestments ▁▁▁▁▁▁▁▁▇▃▃▃▃▁▁▁▃▄█▆▇▄▅▆▅▅▅▄▆▇▆▅▅▄▅▅▄▄2533244141295427488457394501353676146296913516668011142878932807558105011571116881823696740866539690NANA722NANANA
us-gaap:AccountsReceivableNetCurrent █▇▇██▅▆▇▅▅▅▄▄▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▁▁▁▁▁▁▁934807848936880544668789563553545528478475451435290248281277273242287286242224230232229177230174170149142196181187NANA137NANANA
us-gaap:InventoryNet ▅▅▅▅▅▅▆█▃▃▃▃▃▃▃▄▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▁▁▁▁▁▁▁6857087347337117028361104476487456426417419424518306319363303279276275264262274275256242261289221217217211202180177NANA116NANANA
us-gaap:OtherAssetsCurrent ▆▆▆▅▆▆▆█▂▂▃▃▂▂▂▂▁▁▁▁▂▂▂▂▁▂▂▂▂▃▂▂▂▂▂▃▂▂194185189171191194206274555382685855494711202423324235332061585667756550524945695852NANA51NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NoncurrentAssets 995NANANA996NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:TH174NANANA209NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:US515NANANA521NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical mchp:VariousOtherCountriesbesidesUnitedStatesandThailand306NANANA266NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentGross ████▇███▆▆▅▅▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁2966297929782956294530423009299126442605254524902452243724322420226722562240217721422112210020612001196719421917189718851877182618181815187718531829NANANA1664NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovements███▇█▇▇▇▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁659657653638647634623616508506501501499499500498458456451437434430418414411407395393396395394374374372381379375NANANA349NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipment▇▇▇▇▇███▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁2123213021282108209521972176214619431911186118011774175217501739164516401632159815761549153814951465144214211394137713651360133013141309136213351306NANANA1190NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ███▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁2090207020411993194920031958191218761850182217961769173917151688165716331608158215601534151514911469144614241403138313621340132013011282132813071289NANANA1171NANANA
us-gaap:PropertyPlantAndEquipmentNet ▆▆▆▇▇███▄▄▄▃▃▃▄▄▂▂▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▂▁▁▁876909937963996103910511078767754722693683698716732609622631595581577585569531520518513514522536506516533548545540528NANA493NANANA
us-gaap:Goodwill ▇▇▇▇▇███▃▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6664666466646663666367826787727322992299229922992299236223842390101210111008571571565557409276275268268271263260102937676767659NANA40NANANA
 us-gaap:Goodwill us-gaap:ReportingUnit mchp:SemiconductorProducts▄▄▄664566456645NA6644NANANA2279NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇▇████▇▃▃▃▃▃▃▃▃▂▂▂▁▁▁▂▁▁▁▁▁▁▂▂▁▁▁▁▁▁▁5702593961876428668566326825624816621784190520262148223323222403606654702470504551599498445466480504530570607110907576757779NANA35NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelatedIntangibleAssets▁▃▅▆█228265301337373NANANA341NANANANA6226506787895111NA70NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:DevelopedTechnologyRights▇▇▇███▇▆▂▂▂▂▂▂▂▂▁▁▁5407561158216080630060795421501713071349140714641512155414661512469492520NA360377398355285NANANA305303307NA58NANANA55NANANA30NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:DistributionRights███▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁5754553000000000000000NA00000NANANA000NA0NANANA1NANANA1NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet 1430NANANA971NANANANANANANANANANANANANANANA-310NANANA-307NANANA-307NANANA-320NANANA-310NANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇███▄▄▄▅▂▂▂▂▂▃▃▃▄▄▃▂▂▁▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁21723222923211110611015471757375758290891091167965754448454547474741404137383838363341NANA19NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:LiabilitiesCurrent ▅████▂▇▇▇▃▃▃▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁16372336242324502374643208821392017756734736704651578573382343371372353353385359336316338351341296325249247248294328340299NANA203NANANA
us-gaap:LongTermDebtCurrent ▄████▁███▁▁▁▁60814001387137313600133513291309051150NANANA0NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsPayableCurrent ▆▅▆▆▅▆▇█▃▄▄▄▃▃▃▃▁▁▁▂▂▁▂▁▁▁▁▁▁24620923524522623627131814416218217114913513113779697293867694797462777775NANANA50NANANA68NANANANANANANA
us-gaap:TaxesPayableCurrent ▆▁█381048NA46NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:LongTermDebt ▆▇▇▇▇▇██▁▁▁▁▁948295809802100851030710542108861134930683039301729952950NANANA2453NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▇▆▆▇▇█▇█▁▂▂▂▂887381798415871189461054295511001917583039301129832900NANANA2453NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ████▆▆▆▆▆▆▆▅▅▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁34235836435627925726527524023824022021714816115741414148434440393738383721212429889101011NANA5NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:StockholdersEquity █████▇▇▇▅▅▅▅▁▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▄▃▃▃▃▃▃558556165361528852875161517051233279318535463412-142566251925322150212621292098204422562203216921352075201819541933192719642017199019411903187918121649NANA1533NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStockIncludingAdditionalPaidInCapital▅██▇▆▅▅▄▁267527382731270326792657265226372562NANANA2537NANANANANANANANANANANA1244NANANA1255NANANA1269NANANA1268NANANA1277NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:RetainedEarnings██▇▇▇▇▇▇▁343234203197317532103122315931491397NANANA1479NANANANANANANANANANANA1467NANANA1352NANANA1499NANANA1428NANANA1266NANANA
us-gaap:CommonStockValue ▃▃▃▃▃▃▃▃▃███▇▅▅▅▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0234000.0234000.0233000.0229000.0216000.0216000.0215000.0204000.0203000.0203000.0202000.0202000.0201000.0201000.0200000.0200000.0199000.0198000.0197000.0196000.0195000.0194000.0194000.0193000.0192000.0191000.0191000.0190000.0188000.0NANA185000.0NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▁▁▂▂▂▁▁▁▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▂▂▂▂▂▁▁34323420319731753210312231593149139713351671156714791425139514391582158816001607154915221507148514671426139113611352136214201510149914851475146214281303NANA1266NANANA
us-gaap:TreasuryStockValue ▁▁▂▂▂▃▃▃▄▄▄▅▅▅▅▆▆▇▇▁▁▂▂▂▂▃▃▄▄▅▅▅▆▆▇▇▇█500520545568582601625647662684698719731751765794820837850505515534548565577603626657682715740765780813840857888924NANA1013NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▁▁▁▁▂▂▃▂▁▂▂▃▃▂▃▅▃▅▄▇█▄▆▅▅▅▅▆▆▆▆▆▅▅▆▆▆-21-22-22-22-20-17-16-14-17-22-17-19-14-10-15-14-3-10-3-51115-441-2-2-366623-10532NANA3NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▅▅▄▅██▁▃▃▃▃371395396380403481487302359364350344NA290222223NA210149181NA184192165NANANA164NANANA128NANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇▁▇▆▆▆▆▇▇▅█▇▆▆▇▇▆▆▇-35-43-28-26-43-31-69-6666-50-369-200-391-487-34-20-22951582-53-540-187-1-156-247-272-54NANA-209NANANA77NANANA-8829NANA-4567NANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁▁▁▁█▂▁▂▂▂▂▁▂▂▁▂▂▂▂▂▂▂-332-357-399-348-363-477-5936098-80-149-96-89409-82-312580-23-364366-38-25-53-80257-56NANA-80NANANA-62NANANA-4721NANA-56-45NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▅▅▄▅██▁▃▃▃▃371395396380403481487302359364350344NA290222223NA210149181NA184192165NANANA164NANANA128NANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▅█▅▅▆▅▅▅▆▁▆▆▆▅▅▃▅▅▅▆▅▅▅▅▆▅▅▅▅▄▄▅▅▅▅▅▆▅▅▅▅▅9931110850174499635146-25118917013610733-1136761641309986938911110599785910-217880777999125100103897569NANA
us-gaap:DepreciationDepletionAndAmortization ████▆▆▆▄▄▄▄▄▃▃▃▃▂▂▂▁▂▂▂▁▁310300297307238243221172156154152151128114112113757671607373706045NANA50NANANA25NANANA2526NANA2522NANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▄▅▃▆▂▁█▄▄▃▄▂▄▄▄▁▅▄▄▄▅▄▃▂9315-1439-40-638811-247-380112-6333-1-5-4185-15-39NANA14NANANA5NANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInInventories ▆▆▇█▇▄▁▄▇██▇▇▇▄▃▇▆▆█▇▇▇▆▇-23-250202-83-177-83-1030309-3-4-94-121-13-39-192333-7-24-12NANA13NANANA0NANANA21-1NANA4-3NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇▁▇▆▆▆▆▇▇▅█▇▆▆▇▇▆▆▇-35-43-28-26-43-31-69-6666-50-369-200-391-487-34-20-22951582-53-540-187-1-156-247-272-54NANA-209NANANA77NANANA-8829NANA-4567NANANA
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment 11NANANA40NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▁▁▁▁▁▁█▂▁▂▂▂▂▁▂▂▁▂▂▂▂▂▂▂-332-357-399-348-363-477-5936098-80-149-96-89409-82-312580-23-364366-38-25-53-80257-56NANA-80NANANA-62NANANA-4721NANA-56-45NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0234000.0234000.0233000.0229000.0216000.0216000.0215000.0204000.0203000.0203000.0202000.0202000.0201000.0201000.0200000.0200000.0199000.0198000.0197000.0196000.0195000.0194000.0194000.0193000.0192000.0191000.0191000.0190000.0188000.0185000.0
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

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value258253253253253253253253253253253252249237237237227227227218218218218218218218218218218218218218218218218218218218
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStockIncludingAdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value258253253253253253253253253249227218218218218218218
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value245239238238237236236235235234233232229216215215204203203202202201200200200199198197196195194193193192191190189185
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

Weighted Average Number Of Shares Outstanding Basic

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value0.420000000000000151.30.460.210.740.210.410.150.6300000000000001-1.070.810.740.630.50.16-0.530.330000000000000070.30.320.650.50.430.470.450.560.530.50.40.05-0.110.410.40.420.520.67000000000000020.540.550.480.40999999999999990.38
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value0.391.20.430.20.70.20.380.140.58-1.070.770.70.570.460.14-0.530.310.280.30.60.450.390.420.40.50.480.460.370.280.05-0.110.390.390.380.40.490.620.510.540.470.40.370.240.15
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

Income Loss From Continuing Operations Per Diluted Share

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value1326128713371322132913741432121210029941012972902834871799557540541533543528546528493482492462430416383352338329340374379367382357278250226192
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerSalesChannel

mchp:TechnologyLicenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2430231824433826
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.41.71.41.83.22.72.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.41.71.41.83.22.72.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:TechnologyLicenses100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SalesChannelDirectlyToConsumer



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value644618648638631645681540
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.648.048.548.347.546.947.644.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.648.048.548.347.546.947.644.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesChannelDirectlyToConsumer100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SalesChannelThroughIntermediary



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value656638666665674686712645
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.549.649.850.350.749.949.753.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.549.649.850.350.749.949.753.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesChannelThroughIntermediary100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

mchp:AnalogInterfaceMixedSignalandTimingProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value367363393386383396419331
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.728.229.429.228.828.829.327.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.728.229.429.228.828.829.327.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:AnalogInterfaceMixedSignalandTimingProducts100.0100.0100.0100.0100.0100.0100.0100.0

mchp:FieldprogrammableGateArrayProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9692939197977037
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.37.27.06.97.37.14.93.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.37.27.06.97.37.14.93.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:FieldprogrammableGateArrayProducts100.0100.0100.0100.0100.0100.0100.0100.0

mchp:LicensingMemoryandOther



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value136145152145163163
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.311.311.410.911.911.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax10.311.311.410.911.911.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:LicensingMemoryandOther100.0100.0100.0100.0100.0100.0

mchp:Microcontrollers



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value726685697708703716778722
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.753.352.253.652.952.154.459.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax54.753.352.253.652.952.154.459.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:Microcontrollers100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

mchp:SemiconductorProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value13011257131413041305133113941185975966986947879810847778537517518510519505523508470458467440394363331306318353
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.197.698.398.698.296.897.397.897.497.297.597.497.497.197.397.496.495.895.795.695.795.795.996.195.395.095.095.194.994.894.293.093.594.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax98.197.698.398.698.296.897.397.897.497.297.597.497.497.197.397.496.495.895.795.695.795.795.996.195.395.095.095.194.994.894.293.093.594.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:SemiconductorProducts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mchp:TechnologyLicensing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value24302318244338262627252523232320192223232322222023242422212020232120
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.41.71.41.83.22.72.22.62.82.52.62.62.92.72.63.64.24.34.44.34.34.13.94.75.05.04.95.15.25.87.06.55.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.41.71.41.83.22.72.22.62.82.52.62.62.92.72.63.64.24.34.44.34.34.13.94.75.05.04.95.15.25.87.06.55.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:TechnologyLicensing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value1326128713371322132913741432121210029941012972902834871799557540541533543528546528493482492462430416383352338329340374379367382357278250226192
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value1326128713371322132913741432121210029941012972902834871799557540541533543528546528493482492462430416383352338329340374379367382357278250226192
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Sales Revenue Net

Cost Of Revenue

us-gaap:CostOfRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value512501510507509595743570387387398149145145154154151157149109104
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax38.639.038.138.438.343.351.947.138.638.939.342.344.242.841.340.641.241.141.939.441.6

Cost Of Goods Sold

Gross Profit

us-gaap:GrossProfit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value81378582781582077968964261560761458453246541034830229230030931330130730629028228826623920019420319318319421922521622520716814512396
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.461.061.961.661.756.748.152.961.461.160.760.159.055.847.143.654.354.255.657.957.757.156.358.058.958.658.657.655.648.250.757.757.255.857.258.759.458.858.958.160.658.454.450.0

us-gaap:StatementBusinessSegments

mchp:SemiconductorProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value789755804796796736651615588579588559509441386327282270277285290279284286267258264244179174183162175200
Percentage of GrossProfit97.096.197.297.797.194.494.595.895.795.595.895.795.794.994.294.193.492.292.392.592.592.492.793.392.091.591.491.689.489.690.488.489.991.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.558.760.160.259.953.645.550.758.758.358.157.556.552.944.441.050.750.051.353.553.452.852.254.154.253.653.652.743.045.452.149.451.453.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:SemiconductorProducts60.660.161.261.161.055.346.751.960.359.959.659.158.054.545.642.152.652.253.656.055.855.254.456.356.956.456.455.445.447.955.353.155.056.5

mchp:TechnologyLicensing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value24302318244338262627252523232320192223232322222023242422212019232119
Percentage of GrossProfit3.03.92.82.32.95.65.54.24.34.54.24.34.35.15.85.96.67.87.77.57.57.67.36.78.08.58.68.410.610.49.612.511.09.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.92.41.71.41.83.22.72.22.62.82.52.62.62.92.72.63.64.24.34.44.34.34.13.94.75.05.04.95.15.25.57.06.35.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax mchp:TechnologyLicensing100.0100.0100.0100.0100.0100.0100.0100.099.8100.1100.0100.099.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.095.9100.097.795.3

Operating Expenses

us-gaap:OperatingExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value653654643643535584586509371361388362378347347407222216226187203203206190164165171168183186106959710210198101987973
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.250.848.148.740.342.540.942.037.036.438.437.342.041.639.951.040.040.141.735.237.438.637.736.033.434.434.836.344.048.630.329.128.627.526.626.926.627.528.829.4

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value221217219219214217221171133131133130127132137147959795848788888477767873716448444545444243403330
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.716.916.416.616.115.815.514.213.313.213.213.414.115.915.818.517.218.017.615.916.116.816.316.015.715.815.915.817.216.713.913.413.312.111.611.511.411.312.012.1

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value165170172167167174176164114109114114111111120157787680666766716965666965697157525157565657574643
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.513.312.912.712.612.712.313.511.411.011.311.812.313.313.819.714.014.114.812.512.512.613.013.113.213.914.114.216.718.716.415.815.315.415.015.315.116.016.817.2

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-30
Value16013118317128419410213224424522522115411862-597976741211109810111512611611798561789693889711612411712310988725231
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.110.213.713.021.414.27.210.924.424.722.322.817.114.27.2-7.414.314.113.822.720.318.518.521.925.524.223.921.313.24.22.127.427.726.828.731.232.731.932.230.631.829.023.316.2

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value11511912913213613713890504949494135353426272524201414131112121111109-8-8-887-8-777
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.79.39.710.010.210.09.77.55.05.04.95.14.64.24.04.34.85.14.74.53.72.72.62.62.42.62.52.62.72.82.6-2.7-2.6-2.12.12.1-2.1-2.22.83.1

Interest Expense Debt

us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value19191919191919191919191914101010
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.51.41.51.51.41.31.61.91.91.92.01.61.21.21.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConvertibleDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value596474818485
Percentage of InterestExpenseDebt310.4332.1388.1423.3436.3444.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.55.05.66.16.16.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SecuredDebt0.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value3-1-1210-20-9-13-25410-22-1-5-11617-2-1003200100-21001000
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3-0.1-0.10.20.8-0.2-0.0-0.8-1.3-0.30.60.50.20.0-0.30.3-0.2-0.9-0.33.23.2-0.5-0.20.0-0.00.80.40.0-0.10.3-0.20.0-0.70.30.00.10.5-0.10.30.1

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-200000.0-200000.0-200000.0-200000.0-200000.0-300000.0200000.0300000.0-170000.0-214000.00.0200000.00.00.0
Percentage of OtherNonoperatingIncomeExpense-5.913.314.3-7.4-2.012.0-100.0-3.11.37.20.04.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.00.00.0-0.0-0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value00000005-150000-100-30013180000020
Percentage of OtherNonoperatingIncomeExpense0.0-0.0-0.00.00.0-0.0-0.0-57.1118.9-0.00.00.00.0-1184.30.3-4.1239.1-1.7-0.482.4107.3-3.0-5.7261.5-47.23.098.739.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.5-1.50.00.00.00.0-0.2-0.0-0.0-0.60.00.02.63.40.00.00.00.00.00.40.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

Income Loss From Continuing Operations

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value4510534015155-3937188196186166718325-905750531196286901061181121119092908390113
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.50.84.03.111.44.0-2.83.118.819.818.417.18.010.02.9-11.410.39.310.022.411.416.316.620.224.023.322.619.52.30.625.825.426.530.4

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302011-03-312010-12-312010-03-312009-12-31
Value-54-300-55-10-235-135241447-2-4-65-23-1018-9-11-10-10-361-117671111-101280
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.1-23.3-4.1-0.8-1.80.4-9.50.24.145.0-0.3-0.5-7.2-2.9-1.22.3-1.7-2.0-2.0-2.0-6.70.3-0.23.21.41.52.32.5-2.83.43.00.2

Profit Loss

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value10031110850171489440151-25519016513311232-1247453661149510684921151051006810-1778767310110110982
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax7.624.28.13.812.93.66.63.315.1-25.718.817.114.813.53.7-15.613.49.912.421.517.520.215.517.623.321.820.414.82.5-4.622.323.221.627.027.728.523.0

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value9931110850174499635146-25118917013610733-1136761641309986938911110599785910-217880777999125100103897569
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 RevenueFromContractWithCustomerExcludingAssessedTax7.524.28.13.813.13.66.72.914.6-25.318.717.515.212.83.9-14.212.111.312.024.518.316.317.117.022.621.920.317.013.92.4-5.522.423.823.523.326.533.027.427.025.127.227.8

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0000000-5-1500
Percentage of NetIncomeLoss-0.2-0.1-0.2-0.4-0.1-0.60.2-16.5-10.50.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.00.0-0.5-1.5-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value17426175881785818246183501815518667192488257812380557887768671447074735855675446578648564780462846104501406740033965388338513843388831443083302130333029296828282516
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

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value17426175881785818246183501815518667192488257812380557887768671447074735855675446578648564780462846104501406740033965388338513843388831443083302130333029296828282516
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

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-312009-03-312008-03-31
Value558556165361528852875161517051233279318535463412-142566251925322150212621292098204422562203216921352075201819541933192719642017199019411903187918121649153314901539
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.131.930.029.028.828.427.726.639.739.244.043.3-0.235.935.634.438.639.036.843.242.848.747.848.252.551.850.950.350.250.150.564.264.664.362.862.061.158.360.90.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-5-6-5-7-6-4-6-5-10-10-6-8-9-5-1-8-600000
Percentage of StockholdersEquity-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.3-0.2-0.2-0.336.6-0.1-0.3-0.30.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0000000001-50000-100-60-114
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.1-0.2-0.0-0.0-2.2-0.0-0.1-0.00.0-0.30.0-0.10.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0-0.1-0.0-0.00.0-0.0-0.0-0.00.0-0.10.0-0.00.3
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value-21-22-22-22-20-17-16-14-19-17-22-17-19-14-10-15-14-3-10-3-5111633342
Percentage of StockholdersEquity-0.4-0.4-0.4-0.4-0.4-0.3-0.3-0.30.0-0.5-0.7-0.5-0.6100.0-0.4-0.6-0.6-0.2-0.5-0.1-0.20.50.00.40.20.20.20.30.2
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.2-0.1-0.10.20.00.20.10.10.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-16-15-17-14-14-12-10-9-9-9-9-9-9-9-9-6-6-3-3-3-3-3
Percentage of StockholdersEquity-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.20.0-0.3-0.3-0.3-0.365.6-0.4-0.3-0.3-0.2-0.2-0.2-0.2-0.2
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value26752738273127032679265726522637256225371244125512691268127712821297
Percentage of StockholdersEquity47.948.851.051.150.751.551.351.578.1-17649.258.365.063.870.083.386.084.3
Percentage of Assets15.415.615.314.814.614.614.213.731.033.030.632.641.242.750.70.00.0
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value34323420319731753210312231593149139714791467135214991428126612991300
Percentage of StockholdersEquity61.560.959.660.060.760.561.161.542.6-10289.368.770.075.378.882.687.284.5
Percentage of Assets19.719.417.917.417.517.216.916.416.919.236.135.148.648.150.30.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value-500-520-545-568-582-601-625-647-662-731-577-682-780-888-1013-1095-1061
Percentage of StockholdersEquity-9.0-9.3-10.2-10.7-11.0-11.7-12.1-12.6-20.25090.4-27.0-35.3-39.2-49.0-66.1-73.5-69.0
Percentage of Assets-2.9-3.0-3.1-3.1-3.2-3.3-3.4-3.4-8.0-9.5-14.2-17.7-25.3-29.9-40.30.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value221721042177227822141877217628183356225324432298230516761490167230961632277822552664178319782450196919691820161522362296228922292015183019332095177417381610
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 Assets12.712.012.212.512.110.311.714.640.627.730.329.130.023.521.122.755.630.048.046.455.738.542.954.448.449.245.941.658.159.858.970.965.460.663.769.259.861.564.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-03-312008-03-31
Value4013974014344284324596359016728267739086634896002092331539563607456481617466375344403528465436779635605675651703500423523492361446487
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.32.22.42.32.42.53.310.98.310.39.811.89.36.98.237.66.19.311.612.79.910.413.711.59.48.710.413.712.111.224.820.620.022.321.523.717.70.00.019.60.00.00.0

Short Term Investments

us-gaap:ShortTermInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value2533244141295427488457394501353676146296913516668011142878932807558105011571116881823696740866539690722
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.115.75.36.15.85.10.10.00.06.312.425.320.028.314.417.425.421.623.320.414.427.330.128.728.026.723.124.428.618.224.428.7

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value934807848936880544668789518563553545528478475451435290248281277273242287286242224230232229177230174170149142196181187137
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.44.64.85.14.83.03.64.10.06.86.86.86.76.26.66.45.95.24.64.95.75.75.26.26.46.05.65.86.06.04.65.95.65.54.94.76.56.16.65.5

Inventory Net

us-gaap:InventoryNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value6857087347337117028361104471476487456426417419424518306319363303279276275264262274275256242261289221217217211202180177116
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 Assets3.94.04.14.03.93.94.55.70.05.86.05.75.45.45.96.07.05.55.96.36.35.86.06.05.96.56.96.96.66.36.87.47.07.07.27.06.76.16.34.6

Inventory Finished Goods

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value1941851891711911942062747355538268585549471120242332423533206158566775655052494569585251
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.10.91.01.11.11.40.00.70.71.00.90.80.80.70.60.20.40.40.50.70.90.80.80.51.51.51.51.72.01.71.61.71.61.52.32.01.92.0

Noncurrent Assets

us-gaap:NoncurrentAssets



Period End2020-03-312019-03-31
Value995996
Percentage of NoncurrentAssets100.0100.0
Percentage of Assets5.75.4

us-gaap:StatementGeographical

country:TH



Period End2020-03-312019-03-31
Value174209
Percentage of NoncurrentAssets17.521.0
Percentage of Assets1.01.1
Percentage of Assets country:TH0.00.0

country:US



Period End2020-03-312019-03-31
Value515521
Percentage of NoncurrentAssets51.752.3
Percentage of Assets3.02.8
Percentage of Assets country:US0.00.0

mchp:VariousOtherCountriesbesidesUnitedStatesandThailand



Period End2020-03-312019-03-31
Value306266
Percentage of NoncurrentAssets30.826.7
Percentage of Assets1.81.5
Percentage of Assets mchp:VariousOtherCountriesbesidesUnitedStatesandThailand0.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value29662979297829562945304230092991264426052545249024522437243224202267225622402177214221122100206120011967194219171897188518771826181818151877185318291664
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.016.916.716.216.116.816.115.532.032.131.631.631.934.134.432.940.741.438.744.844.845.645.645.849.249.149.049.449.349.148.358.159.060.161.961.261.666.1

us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value659657653638647634623616508506501501499499500498458456451437434430418414411407395393396395394374374372381379375349
Percentage of PropertyPlantAndEquipmentGross22.222.121.921.622.020.820.720.619.219.419.720.120.420.520.620.620.220.220.220.120.320.419.920.120.520.720.420.520.921.021.020.520.620.520.320.520.521.0
Percentage of Assets3.83.73.73.53.53.53.33.26.26.26.26.46.57.07.16.88.28.47.89.09.19.39.19.210.110.210.010.110.310.310.111.912.112.312.612.512.713.9
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConstructionInProgress



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value100108113125119129127144118115108114104112107109999592867675738168626975767675748386879210184
Percentage of PropertyPlantAndEquipmentGross3.43.63.84.24.04.24.24.84.54.44.24.64.34.64.44.54.44.24.14.03.63.63.53.93.43.23.63.94.04.14.04.14.64.84.75.05.55.1
Percentage of Assets0.60.60.60.70.60.70.70.71.41.41.31.41.41.61.51.51.81.81.61.81.61.61.61.81.71.61.81.92.02.01.92.42.72.92.93.03.43.3
Percentage of Assets us-gaap:ConstructionInProgress0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value8383838383828284737373737373737363636355555569705555555447474746464646464639
Percentage of PropertyPlantAndEquipmentGross2.82.82.82.82.82.72.72.82.82.82.93.03.03.03.03.02.82.82.92.62.62.63.33.42.82.82.92.82.52.52.52.52.62.62.52.52.52.4
Percentage of Assets0.50.50.50.50.50.50.40.40.90.90.90.91.01.01.01.01.11.21.11.11.21.21.51.61.41.41.41.41.21.21.21.51.51.51.51.51.61.6
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:MachineryAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value21232130212821082095219721762146194319111861180117741752175017391645164016321598157615491538149514651442142113941377136513601330131413091362133513061190
Percentage of PropertyPlantAndEquipmentGross71.671.571.571.371.172.272.371.873.573.373.172.372.471.972.071.872.672.772.973.473.673.473.272.573.273.373.272.772.672.472.572.972.372.172.672.071.471.5
Percentage of Assets12.212.111.911.611.412.111.711.223.523.523.122.823.124.524.723.629.630.128.232.933.033.533.433.236.036.035.935.935.835.535.042.342.643.344.944.144.047.3
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value20902070204119931949200319581912187618501822179617691739171516881657163316081582156015341515149114691446142414031383136213401320130112821328130712891171
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.011.811.410.910.611.010.59.922.722.822.622.823.024.324.322.929.830.027.832.632.633.232.933.136.136.135.936.135.935.534.542.042.242.443.843.243.446.6

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value876909937963996103910511078767754722693683698716732609622631595581577585569531520518513514522536506516533548545540528493
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 Assets5.05.25.25.35.45.75.65.69.39.39.08.88.99.810.110.010.911.410.912.312.212.512.712.713.113.013.113.213.413.613.816.116.817.718.118.018.218.719.6

Long Term Investments

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value666466646664666366636782678772732299229922992299229923622384239010121011100857157156555740927627526826827126326010293767676765940
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets38.237.937.336.536.337.436.437.827.828.328.529.129.933.133.732.518.218.617.411.811.912.212.19.16.86.96.86.97.06.96.73.23.02.52.52.52.62.11.6

us-gaap:ReportingUnit

mchp:SemiconductorProducts



Period End2020-03-312019-12-312019-09-302019-03-312018-03-31
Value66456645664566442279
Percentage of Goodwill99.799.799.799.799.2
Percentage of Assets38.137.837.236.227.6
Percentage of Assets mchp:SemiconductorProducts0.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value570259396187642866856632682562481662178419052026214822332322240360665470247050455159949844546648050453057060711090757675777935
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.733.834.635.236.436.536.632.520.122.023.725.727.931.332.832.710.912.012.19.710.611.913.011.111.011.612.113.013.814.915.63.52.92.52.52.52.62.81.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value228265301337373341622650678789511170
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.51.71.82.04.18.79.29.21.41.71.91.5
Percentage of Assets us-gaap:CustomerRelatedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DevelopedTechnologyRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value5407561158216080630060795421501713071349140714641512155414661512469492520360377398355285305303307585530
Percentage of FiniteLivedIntangibleAssetsNet2362.32117.41934.01803.71688.60.00.00.0383.50.00.00.00.0249.9225.3222.9600.2517.5466.4511.10.00.00.00.00.00.00.00.00.00.0
Percentage of Assets31.031.932.633.334.333.529.026.115.816.617.518.619.721.820.720.58.49.09.07.58.28.67.97.07.97.97.91.91.91.2
Percentage of Assets us-gaap:DevelopedTechnologyRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DistributionRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value575455300000000000000000000000011
Percentage of FiniteLivedIntangibleAssetsNet25.020.618.41.10.00.00.00.00.10.00.00.00.00.00.00.00.40.30.30.50.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.30.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1
Percentage of Assets us-gaap:DistributionRights0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet



Period End2020-03-312019-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value1430971-310-307-307-320-310
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.25.3-6.5-7.6-8.0-10.4-10.5

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value217232229232111106110154477175737575829089109116796575444845454747474140413738383836334119
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.31.31.30.60.60.60.80.00.90.90.91.01.01.21.31.22.02.11.41.41.61.01.01.01.11.21.21.21.11.11.11.21.31.31.31.21.11.50.8

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value16372336242324502374643208821392017756734736704651578573382343371372353353385359336316338351341296325249247248294328340299203
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 Assets9.413.313.613.412.93.511.211.124.49.39.19.39.29.18.27.86.96.36.47.77.47.68.48.08.37.98.59.18.97.78.47.98.08.29.710.811.510.68.1

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value608140013871373136001335132913090511500
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0
Percentage of Assets3.58.07.87.57.40.07.26.915.90.00.10.10.70.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-312011-03-31
Value246209235245226236271318144162182171149135131137796972938676947974627777755068
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.21.31.31.21.31.51.71.72.02.32.21.91.91.91.91.41.31.31.91.81.72.01.81.81.62.02.02.01.62.3

Other Accrued Liabilities Current

Taxes Payable Current

us-gaap:TaxesPayableCurrent



Period End2020-03-312019-12-312019-09-302019-03-31
Value38104846
Percentage of TaxesPayableCurrent100.0100.0100.0100.0
Percentage of Assets0.20.10.30.3

Long Term Debt

us-gaap:LongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value9482958098021008510307105421088611349306830393017299529502453
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.454.554.955.356.258.158.359.037.237.437.538.038.444.1

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value8873817984158711894610542955110019175830393011298329002453
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.946.547.147.748.858.151.252.121.337.437.437.837.744.1

Deferred Tax Liabilities Noncurrent

Minority Interest

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value342358364356279257265275239240238240220217148161157414141484344403937383837212124298891010115
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.02.02.01.51.41.41.40.02.92.93.02.82.82.12.32.10.70.80.71.00.91.00.90.90.91.01.01.00.60.60.60.90.30.30.30.30.30.40.2

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-312009-03-312008-03-31
Value558556165361528852875161517051233279318535463412-142566251925322150212621292098204422562203216921352075201819541933192719642017199019411903187918121649153314901539
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.131.930.029.028.828.427.726.639.739.244.043.3-0.235.935.634.438.639.036.843.242.848.747.848.252.551.850.950.350.250.150.564.264.664.362.862.061.158.360.90.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-5-6-5-7-6-4-6-5-10-10-6-8-9-5-1-8-600000
Percentage of StockholdersEquity-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.3-0.2-0.2-0.336.6-0.1-0.3-0.30.00.00.00.00.0
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.0-0.1-0.1-0.1-0.1-0.1-0.0-0.1-0.10.00.00.00.00.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0000000001-50000-100-60-114
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.1-0.2-0.0-0.0-2.2-0.0-0.1-0.00.0-0.30.0-0.10.7
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0-0.1-0.0-0.00.0-0.0-0.0-0.00.0-0.10.0-0.00.3
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value-21-22-22-22-20-17-16-14-19-17-22-17-19-14-10-15-14-3-10-3-5111633342
Percentage of StockholdersEquity-0.4-0.4-0.4-0.4-0.4-0.3-0.3-0.30.0-0.5-0.7-0.5-0.6100.0-0.4-0.6-0.6-0.2-0.5-0.1-0.20.50.00.40.20.20.20.30.2
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.2-0.1-0.10.20.00.20.10.10.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-16-15-17-14-14-12-10-9-9-9-9-9-9-9-9-6-6-3-3-3-3-3
Percentage of StockholdersEquity-0.3-0.3-0.3-0.3-0.3-0.2-0.2-0.20.0-0.3-0.3-0.3-0.365.6-0.4-0.3-0.3-0.2-0.2-0.2-0.2-0.2
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockIncludingAdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value26752738273127032679265726522637256225371244125512691268127712821297
Percentage of StockholdersEquity47.948.851.051.150.751.551.351.578.1-17649.258.365.063.870.083.386.084.3
Percentage of Assets15.415.615.314.814.614.614.213.731.033.030.632.641.242.750.70.00.0
Percentage of Assets us-gaap:CommonStockIncludingAdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value34323420319731753210312231593149139714791467135214991428126612991300
Percentage of StockholdersEquity61.560.959.660.060.760.561.161.542.6-10289.368.770.075.378.882.687.284.5
Percentage of Assets19.719.417.917.417.517.216.916.416.919.236.135.148.648.150.30.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value-500-520-545-568-582-601-625-647-662-731-577-682-780-888-1013-1095-1061
Percentage of StockholdersEquity-9.0-9.3-10.2-10.7-11.0-11.7-12.1-12.6-20.25090.4-27.0-35.3-39.2-49.0-66.1-73.5-69.0
Percentage of Assets-2.9-3.0-3.1-3.1-3.2-3.3-3.4-3.4-8.0-9.5-14.2-17.7-25.3-29.9-40.30.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0234000.0234000.0233000.0229000.0216000.0216000.0215000.0204000.0203000.0203000.0202000.0202000.0201000.0201000.0200000.0200000.0199000.0198000.0197000.0196000.0195000.0194000.0194000.0193000.0192000.0191000.0191000.0190000.0188000.0185000.0
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

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value3432342031973175321031223159314931991397133516711567147914251395143915821588160016071549152215071485146714261391136113521362142015101499148514751462142813031266
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 Assets19.719.417.917.417.517.216.916.40.016.916.420.819.919.219.919.719.628.429.227.733.132.432.932.733.036.135.635.135.135.135.436.548.048.649.248.648.348.146.150.3

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value5005205455685826016256476626846987197317517657948208378505055155345485655776036266576827157407657808138408578889241013
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 Assets2.93.03.13.13.23.33.43.48.08.48.79.19.510.510.810.814.715.414.710.410.811.511.912.614.215.115.816.917.718.619.124.325.326.927.728.329.932.740.3

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-31
Value-21-22-22-22-20-17-16-14-19-17-22-17-19-14-10-15-14-3-10-3-51115-441-2-2-366623-105323
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.10.0-0.2-0.3-0.2-0.2-0.2-0.2-0.2-0.2-0.1-0.2-0.1-0.10.20.3-0.10.10.0-0.1-0.1-0.10.20.20.20.10.1-0.1-0.00.20.10.10.1

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-06-302012-06-30
Value371395396380403481487302359364350344290222223210149181184192165164128
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.030.729.628.830.335.034.024.935.936.734.635.534.925.528.039.027.734.035.035.231.335.536.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value-35-43-28-26-43-31-69-6666-50-369-200-391-487-34-20-22951582-53-540-187-1-156-247-272-54-20977-8829-4567
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.7-3.3-2.1-2.0-3.3-2.3-4.9-549.8-5.0-37.2-19.8-40.3-54.0-4.1-2.4-287.2283.7-10.0-99.9-35.1-0.3-29.6-45.4-51.5-11.1-45.222.1-23.77.8-12.824.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value-332-357-399-348-363-477-5936098-80-149-96-89409-82-312580-23-364366-38-25-53-80257-56-80-62-4721-56-45
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.1-27.7-29.9-26.4-27.3-34.7-41.4502.9-8.0-15.1-9.5-9.245.4-9.8-35.872.6-4.2-67.467.7-7.2-4.7-10.1-14.748.7-11.5-17.4-17.8-12.65.6-15.7-16.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-06-302012-06-30
Value371395396380403481487302359364350344290222223210149181184192165164128
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax28.030.729.628.830.335.034.024.935.936.734.635.534.925.528.039.027.734.035.035.231.335.536.6

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value9931110850174499635146-25118917013610733-1136761641309986938911110599785910-217880777999125100103897569
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 RevenueFromContractWithCustomerExcludingAssessedTax7.524.28.13.813.13.66.72.914.6-25.318.717.515.212.83.9-14.212.111.312.024.518.316.317.117.022.621.920.317.013.92.4-5.522.423.823.523.326.533.027.427.025.127.227.8

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0000000-5-1500
Percentage of NetIncomeLoss-0.2-0.1-0.2-0.4-0.1-0.60.2-16.5-10.50.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.0-0.0-0.0-0.0-0.00.0-0.5-1.5-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value310300297307238243221172156154152151128114112113757671607373706045502525262522
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-30
Value9315-1439-40-638811-247-380112-6333-1-5-4185-15-39145
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value-23-250202-83-177-83-1030309-3-4-94-121-13-39-192333-7-24-1213021-14-3
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 End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value-35-43-28-26-43-31-69-6666-50-369-200-391-487-34-20-22951582-53-540-187-1-156-247-272-54-20977-8829-4567
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.7-3.3-2.1-2.0-3.3-2.3-4.9-549.8-5.0-37.2-19.8-40.3-54.0-4.1-2.4-287.2283.7-10.0-99.9-35.1-0.3-29.6-45.4-51.5-11.1-45.222.1-23.77.8-12.824.4

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-03-31
Value1140
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value-332-357-399-348-363-477-5936098-80-149-96-89409-82-312580-23-364366-38-25-53-80257-56-80-62-4721-56-45
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-25.1-27.7-29.9-26.4-27.3-34.7-41.4502.9-8.0-15.1-9.5-9.245.4-9.8-35.872.6-4.2-67.467.7-7.2-4.7-10.1-14.748.7-11.5-17.4-17.8-12.65.6-15.7-16.2

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

Payments For Repurchase Of Common Stock

Repayments Of Long Term Debt

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value000000023581011
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value31.5930.1631.2131.5133.028.4124.7525.5825.025.2124.5224.223.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value404345403839424523242322222224591716231415141513121299999
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

Deferred Tax Liabilities

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value20611971283420122192238198139107
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits



Period End2020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-312008-03-31
Value75776368068170943639840642142022017014915270455770112
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value303332204210161116938878-50-45
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-30
Value119135134122
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value4013974014344284324596359016728267739082092
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mchp:Amortizationofintangibleassetsacquiredinabusinesscombination



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value24824824824817619316913312212112012094828080484843344747453621212327
Percentage of Amortizationofintangibleassetsacquiredinabusinesscombination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:DebtInstrumentConvertibleConversionRatioIncreaseOptionAdjustedforDividends

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-31
Value0.0273000000000003240.032099999999999795
Percentage of DebtInstrumentConvertibleConversionRatioIncreaseOptionAdjustedforDividends100.0100.0

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:JuniorSubordinatedDebt



Period End2020-03-312019-12-31
Value0.0177000000000004930.020999999999999908
Percentage of DebtInstrumentConvertibleConversionRatioIncreaseOptionAdjustedforDividends64.865.4

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-31
Value0.017500000000000070.02059999999999995
Percentage of DebtInstrumentConvertibleConversionRatioIncreaseOptionAdjustedforDividends64.164.2

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:DebtInstrumentConvertibleConversionRatioMaximumConversionRateAdjustedforPaidDividends

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-31
Value0.076299999999999810.08999999999999986
Percentage of DebtInstrumentConvertibleConversionRatioMaximumConversionRateAdjustedforPaidDividends100.0100.0

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:JuniorSubordinatedDebt



Period End2020-03-312019-12-31
Value0.04979999999999940.058699999999999974
Percentage of DebtInstrumentConvertibleConversionRatioMaximumConversionRateAdjustedforPaidDividends65.365.2

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-31
Value0.04979999999999940.058699999999999974
Percentage of DebtInstrumentConvertibleConversionRatioMaximumConversionRateAdjustedforPaidDividends65.365.2

us-gaap:DebtInstrument

mchp:ExtinguishmentofDebtPrincipalAmount

mchp:A2015SeniorSubordinatedConvertibleDebt



Period End2020-03-31
Value615
Percentage of ExtinguishmentofDebtPrincipalAmount100.0

mchp:RestructuringReserveSettledWithoutCashAndOtherAdjustments



Period End2020-03-312019-12-312019-09-302019-06-30
Value-9-110
Percentage of RestructuringReserveSettledWithoutCashAndOtherAdjustments100.0100.0100.0100.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-312019-12-312019-09-302019-06-30
Value-1000
Percentage of RestructuringReserveSettledWithoutCashAndOtherAdjustments12.143.854.50.0

us-gaap:FacilityClosing



Period End2020-03-312019-12-312019-09-302019-06-30
Value-8-100
Percentage of RestructuringReserveSettledWithoutCashAndOtherAdjustments89.075.036.466.7

us-gaap:OtherRestructuring



Period End2020-03-312019-12-312019-09-302019-06-30
Value100000.0300000.0100000.0100000.0
Percentage of RestructuringReserveSettledWithoutCashAndOtherAdjustments-1.1-18.89.133.3

us-gaap:BalanceSheetLocation

mchp:SharebasedCompensationExpensePreviouslyCapitalized

us-gaap:Inventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5554433333
Percentage of SharebasedCompensationExpensePreviouslyCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt

mchp:TotalConsiderationExtinguishmentofDebt

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:LongTermDebt



Period End2020-03-31
Value966
Percentage of TotalConsiderationExtinguishmentofDebt100.0

us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt

mchp:TotalConsiderationExtinguishmentofDebtEquityComponent

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:LongTermDebt



Period End2020-03-31
Value461
Percentage of TotalConsiderationExtinguishmentofDebtEquityComponent100.0

us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt

mchp:TotalConsiderationExtinguishmentofDebtLiabilityComponent

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:LongTermDebt



Period End2020-03-31
Value460
Percentage of TotalConsiderationExtinguishmentofDebtLiabilityComponent100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0000000000000000-1-2-2-2-2-2-2-2-2-2-2-2-2
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments0.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllocatedShareBasedCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value4043454038394245232423222222245917162314111113111112131111178887878
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

mchp:SpecialChargesIncomeAndOtherNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value00000011500
Percentage of AllocatedShareBasedCompensationExpense0.00.00.00.0-0.30.52.835.10.00.0

us-gaap:CostOfSales



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value5554433333333347122122221111
Percentage of AllocatedShareBasedCompensationExpense12.513.111.512.010.38.69.27.913.914.615.715.114.715.716.813.311.113.410.411.717.720.519.617.314.915.113.917.5

us-gaap:ResearchAndDevelopmentExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value192122191819191410101010991017878777765665
Percentage of AllocatedShareBasedCompensationExpense48.948.749.247.948.349.046.231.146.245.544.845.941.844.741.729.448.546.337.750.365.863.254.053.051.850.351.750.6

us-gaap:SellingGeneralAndAdministrativeExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value151617161616171199989810346611555544564
Percentage of AllocatedShareBasedCompensationExpense38.638.239.340.041.641.941.825.840.039.939.538.943.439.741.557.340.440.351.938.049.348.840.041.744.347.046.344.4

us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value323435313031333516171514141416381111141011111311
Percentage of AllocatedShareBasedCompensationExpenseNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value30303029292927272726262519121212121211117222222222111111111
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value30302929282827272726262519121212
Percentage of AmortizationOfDebtDiscountPremium97.497.797.797.797.695.0100.0100.0100.1100.099.899.8100.2100.099.9100.0

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value800000.0700000.0700000.0700000.0700000.0700000.0
Percentage of AmortizationOfDebtDiscountPremium2.62.32.32.42.32.5

us-gaap:AmortizationOfFinancingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value4444435311111111100000000000000
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1000000.01000000.01000000.0900000.0900000.0900000.0900000.0900000.0800000.0900000.0900000.0900000.0800000.0500000.0400000.0400000.0
Percentage of AmortizationOfFinancingCosts23.323.323.321.420.524.316.730.048.555.852.455.559.647.037.737.8

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value333333
Percentage of AmortizationOfFinancingCosts76.776.776.779.597.370.4

us-gaap:LongtermDebtType

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value50504949484848474746464634232222
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value646878858890
Percentage of AmortizationOfFinancingCostsAndDiscounts127.2135.4158.1175.7182.5187.5

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302011-12-312011-09-30
Value26925825826019019617313412412212212295858282494944354848463722232528412833
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeStatementLocation

us-gaap:CostOfSales



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value1222412111121010100000111111
Percentage of AmortizationOfIntangibleAssets0.71.00.90.82.50.91.20.71.01.21.51.61.31.11.21.12.01.82.02.51.91.92.22.74.55.25.24.5

us-gaap:OperatingExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value26725625525818519517113312212112012094848181484844344747453621212327
Percentage of AmortizationOfIntangibleAssets99.399.099.199.297.599.198.899.399.098.898.598.498.798.998.898.998.098.298.097.598.198.197.897.395.594.894.895.5

us-gaap:AssetImpairmentCharges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value020000120000280100
Percentage of AssetImpairmentCharges0.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.00.00.0

us-gaap:BusinessExitCosts1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value21000-104-7-1901903940000
Percentage of BusinessExitCosts1100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3-4-325-3-27-175-266229-15453-135
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-052017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value0.3670.36650.3660.36550.3650.36450.3640.36350.3630.36250.36250.3620.36150.3610.36050.360.35950.3590.35850.3580.35750.3570.35650.3560.35550.3550.35450.3540.35350.3530.3520.3510.350.3490.3480.3470.3460.00.6890.3430.3420.340999999999999970.34
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-02-042019-11-052019-08-062019-02-052018-11-072018-08-092018-02-062017-11-062017-08-032017-02-072016-11-072016-08-082016-02-032015-11-042015-08-032015-01-292014-10-302014-07-312014-01-30
Value0.3670.36650.3660.3650.36450.3640.3630.36250.3620.3610.36050.360.3590.35850.3580.3570.35650.3560.355
Percentage of CommonStockDividendsPerShareDeclared0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtAndEquitySecuritiesGainLoss



Period End2020-03-312019-12-312019-03-312018-12-31
Value1060
Percentage of DebtAndEquitySecuritiesGainLoss100.00.0100.0100.0

us-gaap:LongtermDebtType, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:BridgeLoan, us-gaap:BaseRate



Period End2020-03-27
Value0.0075
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:BridgeLoan, us-gaap:LondonInterbankOfferedRateLIBOR



Period End2020-03-27
Value0.0175
Percentage of DebtInstrumentBasisSpreadOnVariableRate1233.3

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleConversionRatio1

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-10-01
Value0.054500000000000880.0642999999999993618.9958
Percentage of DebtInstrumentConvertibleConversionRatio1100.0100.0100.0

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:JuniorSubordinatedDebt



Period End2020-03-312019-12-31
Value0.035600000000000520.041999999999999815
Percentage of DebtInstrumentConvertibleConversionRatio165.365.3

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-31
Value0.0349000000000003750.0411999999999999
Percentage of DebtInstrumentConvertibleConversionRatio164.064.1

us-gaap:DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal



Period End2020-03-312019-12-312019-09-302019-06-30
Value0.00.00.01000.0
Percentage of DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal0.00.00.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-31
Value-1644520
Percentage of DebtInstrumentConvertibleIfConvertedValueInExcessOfPrincipal0.00.0

us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1

us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.030.00.00.00.030.00.00.0
Percentage of DebtInstrumentConvertibleThresholdConsecutiveTradingDays10.00.00.0100.00.00.00.0100.00.00.0

us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.010.00.00.00.010.00.00.0
Percentage of DebtInstrumentConvertibleThresholdConsecutiveTradingDays10.00.00.033.30.00.00.033.30.00.0

us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger

us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.01.30.00.00.01.30.00.0
Percentage of DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger0.00.00.0100.00.00.00.0100.00.00.0

us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.00.980.00.00.00.980.00.0
Percentage of DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger0.00.00.075.40.00.00.075.40.00.0

us-gaap:DebtInstrumentRedemptionPeriod, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleThresholdTradingDays

us-gaap:DebtInstrumentRedemptionPeriodOne, us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.020.00.00.00.020.00.00.0
Percentage of DebtInstrumentConvertibleThresholdTradingDays0.00.00.0100.00.00.00.0100.00.00.0

us-gaap:DebtInstrumentRedemptionPeriodTwo, us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.00.00.05.00.00.00.05.00.00.0
Percentage of DebtInstrumentConvertibleThresholdTradingDays0.00.00.025.00.00.00.025.00.00.0

us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRedemptionPricePercentage

us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.00.00.01.00.00.00.01.0
Percentage of DebtInstrumentRedemptionPricePercentage0.00.00.0100.00.00.00.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-03-312018-12-312015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-30
Value-86-293-3342-3810-2-2-1852
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value41413946484747383232292932293030262626242524242323222321232220212222232322
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementScenario

us-gaap:DividendsCommonStock

srt:ScenarioForecast



Period End2020-03-062019-12-31
Value8887
Percentage of DividendsCommonStock100.0100.0

us-gaap:BalanceSheetLocation

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:Inventories



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4554444333
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value8999889106677778205583-5311
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt

us-gaap:ExtinguishmentOfDebtAmount

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:LongTermDebt



Period End2020-03-31
Value615
Percentage of ExtinguishmentOfDebtAmount100.0

us-gaap:GainLossOnSaleOfPropertyPlantEquipment



Period End2020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-06-302011-03-312010-06-302010-03-31
Value20000000400000000000000000
Percentage of GainLossOnSaleOfPropertyPlantEquipment100.00.00.00.00.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.00.00.00.0100.00.00.0100.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-300-1-80-400-20-13-43000
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.00.00.00.0

us-gaap:DebtInstrument

mchp:A2015SeniorSubordinatedConvertibleDebt



Period End2020-03-31
Value-3
Percentage of GainsLossesOnExtinguishmentOfDebt100.0

us-gaap:ImpairmentOfIntangibleAssetsExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value100001
Percentage of ImpairmentOfIntangibleAssetsExcludingGoodwill100.00.00.00.00.0100.0

us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf



Period End2020-03-312019-03-31
Value0.0300000.0
Percentage of ImpairmentOfLongLivedAssetsToBeDisposedOf0.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value0.00.00.00.00.0-100000.0-100000.0-100000.0-33000.0-56000.0-56000.0-55000.0-55000.0-55000.0-56000.0-56000.0-56000.0-56000.0-56000.0-177000.0-188000.0-62000.0-35000.0-32000.034000.0150000.0-101000.0-260000.0-229000.0-32000.0-121000.014000.0-13000.0-61000.0-28000.0280000.0-43000.0-52000.00.00.0
Percentage of IncomeLossFromEquityMethodInvestments0.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value64-44-5849-37-105-35-2-5515-103660-4-1823-12-47165-23-11-41034-1718114
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value126-41-8856-49-124-12055107165031815942-34-8331-44-73718221599-23
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:IncreaseDecreaseInAccruedIncomeTaxesPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value18-22-11-24-27-70-79-1363286611-7
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value033034
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.00.0100.0100.0

us-gaap:InterestExpenseOther



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1100-600000
Percentage of InterestExpenseOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value0010000576431000566554444443334444334424
Percentage of InvestmentIncomeInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:BridgeLoan



Period End2020-03-27
Value0.005
Percentage of LineOfCreditFacilityCommitmentFeePercentage100.0

us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification



Period End2020-03-312019-12-312019-09-302019-06-30
Value000-12
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification0.00.00.0100.0

us-gaap:RestructuringCostAndReserve

us-gaap:FacilityClosing



Period End2020-03-312019-12-312019-09-302019-06-30
Value000-12
Percentage of NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification0.00.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1-120-1104-310-4-36-1-60000
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0000000-5-7-500000-14-72-2
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent0.0-0.00.0-0.0-0.00.0-0.0-127.3224.3-479.179.320.5-10.7-3.626.519.513451.60.00.00.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-11-20-2-1-1000000-30-30000
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent-84.6-106.2-108.0-37.5143.8-160.0122.2-6.8-0.00.00.0-0.0-0.0-44.4-29.844.40.00.00.00.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value-11-2-2-1-1
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-30
Value0000-30-147-72-15-420-83300-10030-1-5
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1-120-1104-310-3-36-1-6000000
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent375.0-466.70.0200.037.8-433.338.9106.80.00.00.00.00.00.00.00.00.4-0.00.0-0.02.90.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value000000007-500010-17-72-15-419
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.00.00.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.00.099.6100.0100.0100.097.195.7

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-30
Value00000-144-41-4-35-1-11-72-15
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.00.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0

us-gaap:AccumulatedTranslationAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-11-20-2-1-1000000-30-3000000
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-275.0566.70.0-100.062.2533.361.1-6.80.00.00.00.00.00.00.00.00.0-0.00.0-0.0-0.04.3

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-11-201-10-43-1043-616
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0000000-5-150000-100-30013180000010
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax0.00.00.00.00.00.00.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value200000.0200000.0200000.0200000.0200000.0300000.0200000.0300000.0170000.0214000.0213000.0203000.00.00.00.00.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value0000000-5-7-500000-14-72-21419-33-1-5106-7
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax0.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonrecurringIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value171738-23-118400019-246209220-561010000012220000000000
Percentage of OtherNonrecurringIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0100.0100.00.00.0

us-gaap:OtherRestructuringCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7100-1000
Percentage of OtherRestructuringCosts100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsForRestructuring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value42310832194323534
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value2007427132101232
Percentage of PaymentsForRestructuring60.027.625.770.651.285.370.542.935.214.639.750.896.6

us-gaap:FacilityClosing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-06-30
Value0111334222221
Percentage of PaymentsForRestructuring20.037.942.916.740.510.023.242.964.885.460.349.23.4

us-gaap:OtherRestructuring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value01110110
Percentage of PaymentsForRestructuring20.034.531.412.78.34.76.314.3

us-gaap:PaymentsOfFinancingCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-312012-06-30
Value7010000720000360000100320000700
Percentage of PaymentsOfFinancingCosts100.00.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.00.00.00.0100.00.0100.0100.00.00.00.00.0100.00.00.0

us-gaap:PaymentsOfOrdinaryDividends



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-052013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value888787878686858585848482827777777372727272717171707069676506362
Percentage of PaymentsOfOrdinaryDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value17231511142020161012101010121025466453544745
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0200000167256
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt0.0100.00.00.00.00.00.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value000000078510000-2747002747003430-122003750220001120
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.00.00.00.00.0100.0100.00.00.00.00.0100.00.00.0100.00.00.0100.00.0100.00.00.0100.00.0100.0100.00.00.0100.00.0

us-gaap:PaymentsToAcquireOtherProductiveAssets



Period End2020-03-312019-03-31
Value315
Percentage of PaymentsToAcquireOtherProductiveAssets100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value20112071561361571541332041041031369412641820717
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value000000019890000
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt0.00.00.00.00.00.00.0100.00.00.00.00.0

us-gaap:CreditFacility

us-gaap:ProceedsFromLinesOfCredit

mchp:TermLoanFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0000-2500003000
Percentage of ProceedsFromLinesOfCredit0.00.00.00.0100.00.00.0100.0

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value344255223204691931473485
Percentage of ProceedsFromLinesOfCredit0.00.00.00.0-27.60.00.0116.2

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value00002096626615725311000
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value400000013760
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.00.00.00.00.00.00.0100.00.0

us-gaap:ProceedsFromSaleOfProductiveAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302012-06-302011-06-302011-03-312010-06-302010-03-31
Value200000000001002300001300000016001180
Percentage of ProceedsFromSaleOfProductiveAssets100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.00.00.00.00.0100.0100.0100.00.0100.0100.00.0

us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:AccumulatedDefinedBenefitPlansAdjustment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value-200000.0-200000.0-200000.0-200000.0-200000.0-300000.0-200000.0-300000.0-170000.0-214000.0-213000.0-203000.00.00.00.00.00.00.00.00.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0000000-5-150000-100-30013
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent-0.0-0.0-0.0-0.0-0.0-0.0-0.01866.78941.2-0.0-0.0-0.00.00.00.00.00.00.00.00.0

us-gaap:RepaymentsOfAssumedDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value000000020560000
Percentage of RepaymentsOfAssumedDebt0.00.00.00.00.00.00.0100.00.00.00.00.0

us-gaap:CreditFacility

us-gaap:RepaymentsOfLinesOfCredit

mchp:TermLoanFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value000188801202670
Percentage of RepaymentsOfLinesOfCredit0.00.00.0100.0100.0100.0100.00.0

us-gaap:RevolvingCreditFacility



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-02-28
Value5805125382731674503811511682
Percentage of RepaymentsOfLinesOfCredit0.00.00.0145.520.82252.5142.70.00.0

us-gaap:RestructuringCharges



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-21316341422-19019143
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-430644102900013
Percentage of RestructuringCharges223.824.854.5100.0160.097.673.2131.51.4-1285.71.565.08.8

us-gaap:FacilityClosing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21000-104-7-19019039
Percentage of RestructuringCharges-123.875.245.50.0-60.02.426.8-31.598.61385.798.535.091.2

us-gaap:SeveranceCosts1



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value-430643124500013691901
Percentage of SeveranceCosts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:EmployeeSeverance, mchp:SemiconductorProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-4306431245
Percentage of SeveranceCosts1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt

us-gaap:StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:LongTermDebt



Period End2020-03-31
Value5
Percentage of StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities100.0

us-gaap:DebtInstrument, us-gaap:ExtinguishmentOfDebt

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:LongTermDebt



Period End2020-03-31
Value351
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities100.0

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value00000000000008
Percentage of TreasuryStockSharesAcquired0.00.00.00.00.00.00.00.00.00.00.00.00.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:WriteOffOfDeferredDebtIssuanceCost

mchp:TermLoanFacility, us-gaap:LineOfCredit



Period End2020-03-312019-09-30
Value01
Percentage of WriteOffOfDeferredDebtIssuanceCost0.0100.0

mchp:AmountOfDistributorAdvancesIncludedInAccountsReceivable



Period End2020-03-312019-03-31
Value149170
Percentage of AmountOfDistributorAdvancesIncludedInAccountsReceivable100.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

mchp:DebtInstrumentInterestRateSpreadOnOverdueAmountsInEventOfDefault

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit



Period End2020-03-31
Value0.02
Percentage of DebtInstrumentInterestRateSpreadOnOverdueAmountsInEventOfDefault100.0

us-gaap:LongtermDebtType

us-gaap:BridgeLoan



Period End2020-03-31
Value0.02
Percentage of DebtInstrumentInterestRateSpreadOnOverdueAmountsInEventOfDefault100.0

mchp:DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsIntangibleAssets



Period End2020-03-312019-03-312018-03-31
Value169416080
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesandAccrualsIntangibleAssets100.0100.00.0

mchp:DeferredTaxLiabilitySeniorandJuniorConvertibleDebentures



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value228279304606496493530
Percentage of DeferredTaxLiabilitySeniorandJuniorConvertibleDebentures100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:EstimatedFairValueOfLiabilityComponentOfDebenturesOnIssuanceDate

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-30
Value91611601160
Percentage of EstimatedFairValueOfLiabilityComponentOfDebenturesOnIssuanceDate100.0100.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

mchp:LineofCreditFacilityCovenantTotalIndebtednessConvertibleDebtExcludedMaximum

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit



Period End2020-03-31
Value700
Percentage of LineofCreditFacilityCovenantTotalIndebtednessConvertibleDebtExcludedMaximum100.0

us-gaap:LongtermDebtType

us-gaap:BridgeLoan



Period End2020-03-31
Value700
Percentage of LineofCreditFacilityCovenantTotalIndebtednessConvertibleDebtExcludedMaximum100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType, mchp:DebtInstrumentLeverageRatio

mchp:LineofCreditFacilityCovenantTotalLeverageRatioMaximum

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit, mchp:LeverageRatioPercentOne



Period End2020-03-312019-12-312019-09-30
Value6.06.756.75
Percentage of LineofCreditFacilityCovenantTotalLeverageRatioMaximum100.0100.0100.0

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit, mchp:LeverageRatioPercentThree



Period End2020-03-312019-12-312019-09-30
Value5.255.755.75
Percentage of LineofCreditFacilityCovenantTotalLeverageRatioMaximum87.585.285.2

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit, mchp:LeverageRatioPercentTwo



Period End2020-03-312019-12-312019-09-30
Value5.756.256.25
Percentage of LineofCreditFacilityCovenantTotalLeverageRatioMaximum95.892.692.6

us-gaap:LongtermDebtType, mchp:DebtInstrumentLeverageRatio

us-gaap:BridgeLoan, mchp:LeverageRatioPercentOne



Period End2020-03-27
Value6.0
Percentage of LineofCreditFacilityCovenantTotalLeverageRatioMaximum0.0

us-gaap:BridgeLoan, mchp:LeverageRatioPercentThree



Period End2020-03-27
Value3.25
Percentage of LineofCreditFacilityCovenantTotalLeverageRatioMaximum0.0

us-gaap:BridgeLoan, mchp:LeverageRatioPercentTwo



Period End2020-03-27
Value4.75
Percentage of LineofCreditFacilityCovenantTotalLeverageRatioMaximum0.0

mchp:SalesRelatedReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value3533033263593660
Percentage of SalesRelatedReserves100.0100.0100.0100.0100.00.0

us-gaap:AccountsReceivableGrossCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value938810851939882546670791565555547531480477453437292250283279276245290289245226233234232180233177172151145199184140
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

mchp:OtherReceivables



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value1411776768877574343433632212122231111120
Percentage of AccountsReceivableGrossCurrent1.61.40.90.80.81.40.91.11.41.41.51.11.51.00.90.91.31.71.21.32.41.30.80.80.80.90.91.11.01.61.50.90.91.11.00.81.20.4

us-gaap:TradeAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value924799844932875539664782557547539525473472449433289246280276269242288287243224231232230177230175171150143197181140
Percentage of AccountsReceivableGrossCurrent98.498.699.199.299.298.699.198.998.698.698.598.998.599.099.199.198.798.398.898.797.698.799.299.299.299.199.198.999.098.498.599.199.198.999.099.298.899.6

us-gaap:AccruedEmployeeBenefitsCurrent



Period End2020-03-312019-12-312019-09-302019-03-31
Value137150166133
Percentage of AccruedEmployeeBenefitsCurrent100.0100.0100.0100.0

us-gaap:AccruedIncomeTaxesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value66871171674975672077783675469419418718426629229011110610798114138139144179179192186182181179737071656158
Percentage of AccruedIncomeTaxesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value208218218272240114
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-012018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value781726800831787407481491248229258221244212222223222119111119111100104113115969610112412711912086889292114131
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdditionalPaidInCapitalCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value26752738273127032679265726522637256225562590258325371904190519011391138513821001999
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value43332222222222222222222322222232222223
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value1059310829110861140111659119361231412815448144814498451345133352
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

mchp:TermLoanFacility, us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-03-31
Value1723172317231911
Percentage of DebtInstrumentCarryingAmount16.315.915.516.4

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-03-31
Value2388262428813266
Percentage of DebtInstrumentCarryingAmount22.524.226.028.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value1110172517251725
Percentage of DebtInstrumentCarryingAmount10.515.915.614.8

us-gaap:LongtermDebtType

us-gaap:BridgeLoan



Period End2020-03-312019-03-31
Value6150
Percentage of DebtInstrumentCarryingAmount5.80.0

us-gaap:ConvertibleDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value3866448144814481
Percentage of DebtInstrumentCarryingAmount36.541.440.438.4

us-gaap:SecuredDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value6727634866057178
Percentage of DebtInstrumentCarryingAmount63.558.659.661.6

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentConvertibleConversionPrice1

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-30
Value61.3361.5361.78
Percentage of DebtInstrumentConvertibleConversionPrice1100.0100.0100.0

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:JuniorSubordinatedDebt



Period End2020-03-312019-12-312019-09-30
Value93.9694.2794.65
Percentage of DebtInstrumentConvertibleConversionPrice1153.2153.2153.2

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-30
Value95.6495.9696.34
Percentage of DebtInstrumentConvertibleConversionPrice1155.9156.0155.9

us-gaap:Range, us-gaap:DebtInstrument

srt:WeightedAverage, mchp:A2015SeniorSubordinatedConvertibleDebt



Period End2020-03-312019-06-302019-03-312018-06-302018-03-312017-03-31
Value61.862.1862.8663.2763.9465.21
Percentage of DebtInstrumentConvertibleConversionPrice1100.80.00.00.00.00.0

srt:WeightedAverage, mchp:A2017JuniorSubordinatedConvertibleDebt



Period End2020-03-312019-06-302019-03-312018-06-302018-03-312017-03-31
Value94.6895.2696.3196.9397.9698.81
Percentage of DebtInstrumentConvertibleConversionPrice1154.40.00.00.00.00.0

srt:WeightedAverage, mchp:A2017SeniorSubordinatedConvertibleDebt



Period End2020-03-312019-06-302019-03-312018-06-302018-03-312017-03-31
Value96.3796.9698.0398.6799.71100.58
Percentage of DebtInstrumentConvertibleConversionPrice1157.10.00.00.00.00.0

us-gaap:DebtInstrument, us-gaap:FairValueByMeasurementBasis

us-gaap:DebtInstrumentFairValue

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value9101400138713731360134713351322130912971285127312611216
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value16013710327030662810239726153011307929523005259124811762
Percentage of DebtInstrumentFairValue176.0264.9235.7223.2206.5177.9195.9227.7235.1227.6233.8203.4196.7144.9

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value3453433403383353333313283263243223202620
Percentage of DebtInstrumentFairValue38.024.524.624.624.724.824.824.924.925.025.125.120.80.0

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-31
Value6569948888037406757248148768148347185860
Percentage of DebtInstrumentFairValue72.171.064.158.554.450.154.361.666.962.864.956.446.50.0

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-03-31
Value1552153715221508149314791465145114371424141013840
Percentage of DebtInstrumentFairValue170.6109.8109.8109.8109.8109.8109.8109.8109.7109.8109.8109.80.0

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-312016-03-31
Value2130296826662489228520142201241624592436252021060
Percentage of DebtInstrumentFairValue234.1211.9192.2181.2167.9149.5164.9182.8187.7187.8196.1166.90.0

mchp:BridgeLoanFacility, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-03-31
Value6080
Percentage of DebtInstrumentFairValue66.90.0

mchp:BridgeLoanFacility, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-03-31
Value6150
Percentage of DebtInstrumentFairValue67.60.0

mchp:SeniorSecuredNotes2021, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9939919909889879859849830
Percentage of DebtInstrumentFairValue109.170.871.472.072.673.173.774.30.0

mchp:SeniorSecuredNotes2021, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value985102210221035100898599410010
Percentage of DebtInstrumentFairValue108.273.073.775.374.173.174.575.80.0

mchp:SeniorSecuredNotes2023, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9889889879869859849839820
Percentage of DebtInstrumentFairValue108.670.571.271.872.473.073.774.30.0

mchp:SeniorSecuredNotes2023, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value990105810551053102096698710050
Percentage of DebtInstrumentFairValue108.875.676.076.675.071.774.076.00.0

mchp:TermLoanFacility, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value170817081707170618922684270329650
Percentage of DebtInstrumentFairValue187.8121.9123.1124.2139.0199.2202.5224.30.0

mchp:TermLoanFacility, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value172317231723172319112713273330000
Percentage of DebtInstrumentFairValue189.4123.0124.2125.4140.5201.3204.7226.90.0

us-gaap:RevolvingCreditFacility, us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-03-312019-12-312019-03-31
Value237326103251
Percentage of DebtInstrumentFairValue260.8186.4239.0

us-gaap:RevolvingCreditFacility, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-03-31
Value238826243266
Percentage of DebtInstrumentFairValue262.4187.4240.0

us-gaap:DebtInstrumentUnamortizedDiscount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-05-312018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value1043117712081238126812981327135510137213991437-1473-1516-869792794796798800801808
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value192312325351
Percentage of DebtInstrumentUnamortizedDiscount18.526.627.027.7

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:JuniorSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value337339342347
Percentage of DebtInstrumentUnamortizedDiscount32.328.928.327.4

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value504518533561
Percentage of DebtInstrumentUnamortizedDiscount48.344.144.144.3

mchp:SeniorSecuredNotes2021, us-gaap:SeniorNotes



Period End2020-03-312019-12-312019-09-302019-03-31
Value2233
Percentage of DebtInstrumentUnamortizedDiscount0.20.20.20.3

mchp:SeniorSecuredNotes2023, us-gaap:SeniorNotes



Period End2020-03-312019-12-312019-09-302019-03-31
Value3344
Percentage of DebtInstrumentUnamortizedDiscount0.30.30.30.3

us-gaap:LongtermDebtType

us-gaap:BridgeLoan



Period End2020-03-312019-03-31
Value30
Percentage of DebtInstrumentUnamortizedDiscount0.30.0

us-gaap:DeferredFinanceCostsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-05-312018-03-312017-12-312017-09-302017-06-302017-03-312017-02-28
Value67707577839610111024404143444633
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

mchp:TermLoanFacility, us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-03-312018-05-31
Value1415161934
Percentage of DeferredFinanceCostsNet21.521.621.323.2142.2

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit



Period End2020-03-312019-12-312019-09-302019-03-31
Value14131414
Percentage of DeferredFinanceCostsNet21.519.219.417.6

us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mchp:A2015SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value7111112
Percentage of DeferredFinanceCostsNet10.316.115.815.3

mchp:A2017JuniorSubordinatedConvertibleDebt, us-gaap:JuniorSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value3333
Percentage of DeferredFinanceCostsNet4.64.44.13.8

mchp:A2017SeniorSubordinatedConvertibleDebt, us-gaap:ConvertibleSubordinatedDebt



Period End2020-03-312019-12-312019-09-302019-03-31
Value13131314
Percentage of DeferredFinanceCostsNet19.118.918.417.3

mchp:SeniorSecuredNotes2021, us-gaap:SeniorNotes



Period End2020-03-312019-12-312019-09-302019-03-31
Value4568
Percentage of DeferredFinanceCostsNet7.18.29.110.5

mchp:SeniorSecuredNotes2023, us-gaap:SeniorNotes



Period End2020-03-312019-12-312019-09-302019-03-31
Value78810
Percentage of DeferredFinanceCostsNet11.311.711.912.2

us-gaap:LongtermDebtType

us-gaap:BridgeLoan



Period End2020-03-312020-03-272019-03-31
Value360
Percentage of DeferredFinanceCostsNet4.60.00.0

us-gaap:LineOfCredit



Period End2020-03-312019-09-30
Value31
Percentage of DeferredFinanceCostsNet5.72.3

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-04-012018-03-31
Value174817381662168016771656100
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value6311000389760506504
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-04-012018-03-31
Value318386577690706221205
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value991012540
Percentage of DeferredTaxAssetsCapitalLossCarryforwards100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGross



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value23642303488630283308332287218139123
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value4845101412969650
Percentage of DeferredTaxAssetsInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value74941019163105110773324
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value35137617824310011512411210368
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value31232559162
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value3942314231262427252530
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value8091911107028171011
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther



Period End2020-03-312019-03-312018-03-312011-03-312010-03-31
Value14120119
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther100.0100.00.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value13018691013106-50
Percentage of DeferredTaxLiabilitiesOther100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOtherFiniteLivedAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-03-31
Value3657216614720
Percentage of DeferredTaxLiabilitiesOtherFiniteLivedAssets100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities



Period End2020-03-312019-03-312018-03-312017-03-31
Value70726150
Percentage of DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent



Period End2020-03-312019-03-312018-03-312017-03-31
Value1100
Percentage of DefinedBenefitPensionPlanLiabilitiesCurrent100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesNoncurrent



Period End2020-03-312019-03-312018-03-312017-03-31
Value68716049
Percentage of DefinedBenefitPensionPlanLiabilitiesNoncurrent100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation



Period End2020-03-312019-03-312018-03-312017-03-31
Value65665545
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate



Period End2020-03-312019-03-312018-03-312017-03-31
Value0.01480.01410.01730.0182
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation



Period End2020-03-312019-03-312018-03-312017-03-312016-12-312016-09-302016-06-302016-04-042016-03-31
Value707261504453504040
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized



Period End2020-03-312019-03-312018-03-312017-03-312014-03-312013-03-31
Value2632531691668387
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanName

mchp:EmployeeStockPurchasePlan2001andInternationalEmployeeStockPurchasePlan1994



Period End2020-03-31
Value5
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized2.2

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value2668242121711915165915181321115410219177996775587016335504685745254443963473012631641238148-35-21
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value674651616580544375287258229200239222193
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization25.326.928.430.332.836.840.940.741.642.741.742.443.5

us-gaap:DevelopedTechnologyRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1924173315261331111298484473764458753247441937834730125528825820918516113711769574635-27-17
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization72.171.670.369.567.164.863.963.963.164.066.770.175.154.054.854.654.550.249.247.246.846.345.744.542.146.556.474.178.083.1

us-gaap:DistributionRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value6836293000005555555555555555544-4-3
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization2.61.51.30.20.00.00.00.00.00.60.70.81.00.80.81.01.10.91.01.21.31.51.72.03.14.16.09.611.716.8

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:CustomerRelatedIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-31
Value903916917917917716909909907278335334263
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DevelopedTechnologyRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value7331734573477411741370646266575419521936193919381932193318131813724780778569563559493402375360353948348
Percentage of FiniteLivedIntangibleAssetsGross811.4801.2801.2808.2808.30.00.00.0272.30.00.00.00.0212.7199.5199.7260.2233.0232.9215.90.00.00.00.00.00.00.00.00.00.0

us-gaap:DistributionRights



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1269084700000555555555555555555555
Percentage of FiniteLivedIntangibleAssetsGross13.99.99.20.80.00.00.00.00.00.00.00.00.00.60.60.62.01.71.72.10.00.00.00.00.00.00.00.00.00.0

us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:InProcessResearchAndDevelopment



Period End2020-03-312019-03-31
Value87
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill



Period End2020-03-312019-03-31
Value83708345
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0

us-gaap:InventoryFinishedGoodsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value15116319921422422830034513815414013113413711615686951007368
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value928578787481807426221916141415141213151413
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value441460457439413392455685311309296279268267292346208211248216197
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CreditFacility, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:RevolvingCreditFacility, us-gaap:LineOfCredit



Period End2020-03-312019-09-302019-06-30
Value357035703600
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0

us-gaap:LongtermDebtType

us-gaap:BridgeLoan



Period End2020-03-27
Value615
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0

us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:IndemnificationGuarantee



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value16816616516516416316316216015915315115114914714712912111911211211110510598949494
Percentage of LossContingencyEstimateOfPossibleLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-30
Value139153152139
Percentage of OperatingLeaseLiability100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value444240380
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-30
Value94111111100
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0

us-gaap:RestrictedCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-06-302017-03-31
Value2503738383940394240390
Percentage of RestrictedCash100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestructuringCostAndReserve, us-gaap:StatementBusinessSegments

us-gaap:RestructuringAndRelatedCostCostIncurredToDate1

us-gaap:ContractTermination, mchp:SemiconductorProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value53504040404242
Percentage of RestructuringAndRelatedCostCostIncurredToDate1100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeSeverance, mchp:SemiconductorProducts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value111116112112115110107
Percentage of RestructuringAndRelatedCostCostIncurredToDate1208.6228.5278.1280.0282.4259.2252.0

us-gaap:RestructuringReserve



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-03-31
Value24403032475179832850523540900
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCostAndReserve

us-gaap:EmployeeSeverance



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-03-31
Value61412121213363902235700
Percentage of RestructuringReserve25.136.541.238.627.026.246.347.32.84.34.69.813.676.7100.0100.0

us-gaap:FacilityClosing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-03-31
Value61245192125252748503234200
Percentage of RestructuringReserve25.531.514.916.240.242.131.530.297.295.795.490.286.423.30.00.0

us-gaap:OtherRestructuring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-31
Value1212131415161718190
Percentage of RestructuringReserve49.432.043.845.232.831.722.222.468.00.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-03-312018-03-312017-03-31
Value5656
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-03-312018-03-312017-03-31
Value76.1164.8150.7942.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0

us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

mchp:EquityIncentivePlan2004



Period End2020-03-31
Value8
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0

us-gaap:RetirementPlanName

mchp:EmployeeStockPurchasePlan2001andInternationalEmployeeStockPurchasePlan1994



Period End2020-03-31
Value6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant73.5

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber

us-gaap:EmployeeStockOption



Period End2020-03-312019-03-31
Value149010.0278591.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption



Period End2020-03-312019-03-31
Value31.5930.03
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice100.0100.0

us-gaap:SharePrice



Period End2020-03-312019-03-29
Value67.882.96
Percentage of SharePrice100.0100.0

us-gaap:IncomeTaxAuthority

us-gaap:TaxCreditCarryforwardAmount

us-gaap:StateAndLocalJurisdiction



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value16815896103805954
Percentage of TaxCreditCarryforwardAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxAuthority, us-gaap:TaxCreditCarryforward

us-gaap:ForeignCountry, mchp:ForeignWithholdingTaxCredit



Period End2020-03-312019-03-312018-03-312016-03-31
Value20192020
Percentage of TaxCreditCarryforwardAmount12.112.620.824.8

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value1313141515161717181819202021212223232416161717181819202122232425252627282933
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value13131415151617171820231618-22-25-29-33
Percentage of TreasuryStockShares100.3100.0100.2100.099.7100.2100.0100.0100.0100.0100.0100.0100.0-100.0-100.0-100.0-100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued



Period End2020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value748851567267666160532727293001
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate



Period End2020-03-312019-03-312018-03-31
Value654664436
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:ValuationAllowanceOfDeferredTaxAssets



Period End2020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value3033322042101611169388
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerSalesChannel


us-gaap:GrossProfit us-gaap:StatementBusinessSegments


us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType


us-gaap:OtherNonoperatingIncomeExpense us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:NoncurrentAssets us-gaap:StatementGeographical


us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType


us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents