AMT


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementGeographical
us-gaap:StatementGeographical

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService
us-gaap:StatementGeographical
us-gaap:ConsolidationItems
us-gaap:CostOfRevenue
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostOfGoodsAndServicesSold
us-gaap:ConsolidationItems
us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

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

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AccountsPayableCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:DividendsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:MinorityInterest

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation
us-gaap:AwardType
us-gaap:ConsolidationItems
us-gaap:IncomeStatementLocation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:RepaymentsOfLongTermDebt

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
amt:AssetAcquisition
amt:AssetAcquisitionConsiderationTransferred
us-gaap:PropertyPlantAndEquipmentByType, amt:AssetAcquisition

amt:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest

amt:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest

amt:IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability

amt:NonCashOperatingAndFinancingLeaseModifications

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital
us-gaap:StatementEquityComponents

amt:PaidDividendRSU
us-gaap:Ownership
amt:PaymentsForRepurchaseOfRedeemableNoncontrollingInterestInterest
us-gaap:Range, us-gaap:AwardType
amt:Percentageofpotentialtargetshares

amt:ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets
us-gaap:CounterpartyName
amt:SuccessiveTermsToRenewLease

amt:TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfIntangibleAssets
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:CapitalLeaseObligationsIncurred

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:StatementClassOfStock
us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DepreciationAmortizationAndAccretionNet
us-gaap:ConsolidationItems

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:ExtinguishmentOfDebtGainLossNetOfTax

us-gaap:ForeignCurrencyTransactionGainLossUnrealized

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:GoodwillPurchaseAccountingAdjustments
us-gaap:BusinessAcquisition
us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:IncreaseDecreaseInOperatingAssets

us-gaap:IncreaseDecreaseInOperatingLiabilities

us-gaap:InterestPaidNet

us-gaap:InvestmentIncomeNonoperating
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:MinorityInterestChangeInRedemptionValue

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NotesReduction

us-gaap:NumberOfReportableSegments

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseLeaseIncome
us-gaap:StatementGeographical

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax

us-gaap:OtherCostAndExpenseOperating
us-gaap:ConsolidationItems
us-gaap:OtherExpenses

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest
us-gaap:Ownership

us-gaap:PaymentsOfDebtExtinguishmentCosts

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:ProceedsFromIncomeTaxRefunds

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromLinesOfCredit
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsToMinorityShareholders
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:CounterpartyName, us-gaap:StatementScenario
us-gaap:SaleOfStockPercentageOfOwnershipAfterTransaction
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StraightLineRent

us-gaap:TemporaryEquityForeignCurrencyTranslationAdjustments

us-gaap:TreasuryStockSharesAcquired
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:PlanName
us-gaap:StatementEquityComponents

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense

us-gaap:VariableLeasePayment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

amt:AccruedPassThroughCosts

amt:AccruedPropertyAndRealEstateTaxes

amt:AccruedTreasuryStockPurchasesCurrent
us-gaap:CounterpartyName
amt:AggregatePurchaseOptionPriceForTowers
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, amt:AssetAcquisition
amt:AssetAcquisitionFiniteLivedIntangibleAssetsNet
amt:AssetAcquisition
amt:NumberOfSitesAcquired
us-gaap:PropertyPlantAndEquipmentByType, amt:AssetAcquisition
us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType, amt:AssetAcquisition
us-gaap:StatementGeographical, amt:AssetAcquisition

amt:PrepaidOperatingGroundLeases

amt:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
us-gaap:AwardType
amt:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsVestedAndDeferred

srt:PayablesToCustomers

us-gaap:AccruedRentCurrent

us-gaap:AssetRetirementObligation
us-gaap:CounterpartyName
us-gaap:CapitalLeasedAssetsNumberOfUnits

us-gaap:ConstructionPayableCurrent
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrumentFaceAmount
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrumentFairValue
us-gaap:Range
us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredRentReceivablesNetNoncurrent
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeFairValueOfDerivativeAsset
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeFairValueOfDerivativeLiability
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:AwardType, us-gaap:PlanName

us-gaap:FinanceLeaseLiability

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:InterestPayableCurrent
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:LongTermDebtFairValue
us-gaap:FairValueByMeasurementBasis
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidTaxes

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:RedeemableNoncontrollingInterestEquityCommonFairValue

us-gaap:RedeemableNoncontrollingInterestEquityOtherRedemptionValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:TreasuryStockShares

us-gaap:UnbilledReceivablesCurrent

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:CommonStockValue █████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁████44444444444444444444433333333333334444NANANA4NANANA
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock███████▇▇▆▆▆▅▅▅▅▅▄▄▄▄▁454453453452452451451450450437437437430429428428427426426426425399NANANA397NANANA395395NANA393488NANA486NANANANANANANA
us-gaap:CommonStockSharesIssued ▁▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████0453453452452451451450450437437437430429428428427426426426425399399398398397397396396395395395394393488487486486NANANA479NANANA
us-gaap:CommonStockSharesOutstanding ▁████████████████████▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇0442442442441441440441441428429429426427425425424423423423423396396396395394394395395395395395394393393395397398NANANA401NANANA
us-gaap:CommonStockSharesAuthorized ▁█████████████████████████████████████11000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000NANANA1000NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 445NA445445444NA444444438NA432430430NA429429427NA427426409NA400399399NA398399399NA399398398NA395400401NA403405406NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 443NA442442441NA440441435NA429427427NA425424424NA423423405NA396395395NA394395395NA395394393NA395396397NA400402402NANANANA
us-gaap:EarningsPerShareBasic ▆█▇▆▆▅▆▅▅▄▅▆▅▄▄▃▄▄▂▃▄▄▄▄▄▃▄▃▄▃▄▂▄▄▁▃▂▂▂▃▂▂▂▂▂0.941.271.130.970.90.630.830.690.630.510.70.810.680.480.560.380.590.490.180.310.450.430.50.580.510.250.460.250.430.340.590.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
us-gaap:EarningsPerShareDiluted ▆█▇▆▆▅▆▅▅▄▅▆▅▄▄▃▄▄▂▃▄▃▄▄▄▃▄▃▄▃▄▂▄▄▁▃▂▂▂▃▃▂▂▂▂0.931.261.120.960.890.620.830.690.630.510.690.80.670.470.550.370.580.480.180.30.450.420.50.580.510.250.450.250.430.340.580.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▇▁▇▇█▇▇▇▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂1181923137188918132131178517801741170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService amt:NonLeasePropertyRevenue▁▁▁▁▁█▇▇▆981091059997268250246225NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService amt:ServicesRevenue▂▁▆█▄▅▆▅▅191532402728333131NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical amt:NonLeasePropertyRevenue,country:US▁█▆▂▁█▆█▇586966605869666967NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical amt:NonLeasePropertyRevenue,srt:LatinAmerica▆▇▇▇█▇▃▂▁323434343534272423NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementGeographical amt:ServicesRevenue,country:US▂▁▆█▄▅▆▅▅191532402728333131NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical country:US▁▁▁█████▇788498104710131004991988962NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical srt:LatinAmerica▁▁▁██▇▇▇█323434345333311304317331NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax █▇▇▁▁█▇▁▁▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂1993192319534027213117853131170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
us-gaap:Revenues ▇▇▇▇▇█▇▇▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁199319231953188918132131178517801741170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
 us-gaap:Revenues us-gaap:ConsolidationItems us-gaap:OperatingSegments1993NANANA1813NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,amt:Property▇▇▇▆▆█▆▆▅▅▅▅▅▄▄▃▂▂▂▂▁197319081921184817862103175117491710167816551638159415211497142612671251121211541062NANANANANANANANANANANANANANANANANANANANANANANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:Goodwill ██▇▇▇▇▇▇▇▇▆▆▆▆▆▆▄▄▄▄▄▄▄▄▃▃▂▂▂▂▂▁▂▂▁▂▁▁59486178548155575538550154635526564756385371537153795070499749814123409140554036398040173866385437373729281528322898291227632714276728052673277926692490NANANA2250NANANA
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us-gaap:OtherAssetsNoncurrent ▂▂▁▁▁▇███▇▇▇▇▆▆▆▆▅▆▅▆▄▄▃▃▃▃▃▃▃▃▃▃▃▂▇▆▆4074062482632799629781024990950931888863841813809753732788736778566528515453445452476482452522524480493336882849785NANANA651NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LiabilitiesCurrent ██▇▇▆▇▇▇▇▄▃▅▅▃▂▃▂▂▂▂▃▃▃▃▂▂▁▁▁▁▁▂▂▁▂▂▁▁515454874787482144114689457945624544251222603278320916311519165511981200136910361731192919372243127592482378173963285090693977913711309826542NANANA391NANANA
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 us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:ParentCompany,amt:Threepointthreezerozeropercentseniornotes,us-gaap:SeniorNotes750NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:ParentCompany,amt:TwoPointEightZeroPercentSeniorNotesMember,us-gaap:SeniorNotes750NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType srt:Subsidiaries,amt:Series20151ClassA,us-gaap:SecuredDebt350NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsPayableCurrent ▃▄▄▄▄▄▃▄▃▄▃▂▃▃▂▃▂▂▂▁▁▂▃▄▃▆▂▂▂▂▂▇█▇1201481361441301301221371181421191021091181051209496998272901111321151719091868987201226214NANANA67NANANANANANANA
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us-gaap:AccruedIncomeTaxesCurrent █▆▄▂▃▇▁▁▄▂▅▃▂▂▁█7255341523574135154520711270NA11NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DividendsPayableCurrent ██▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▁▃▃▂▁▂▂▂▁483455427413403377354344335304286277267250236227218210196187179159147139127011010710309186820NANANANANANANANANANANA
us-gaap:AccruedLiabilitiesCurrent ▇█▇▇▇█▇▆▇▇▆▆▆▅▄▅▃▄▆▃▂▃▃▃▂▃▂▁▁▁▂▂▂▁876958856835863948863782825854774727742620571617437516743412392417436422400415331293263286334325336304NANANA222NANANANANANANA
us-gaap:OperatingLeaseLiabilityCurrent █████▁4764944754964980NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ContractWithCustomerLiabilityCurrent █▁▂▃▁▂408294302334293304NANANA268NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:LongTermDebtAndCapitalLeaseObligations ██▇▇▇▇▇▇▇▇▇▆▆▇▇▇▆▆▆▆▅▅▄▄▅▅▄▃▃▃▂▂▂▂▁▁▁▁21937211271904018615191071840518422183221856819430185811750917182182941843618403168841706816981161851493013711129731274914009144081257887988791869373597337716171344970491953875512NANANA4141NANANA
us-gaap:MinorityInterest ▆▆▇█▇██████▇▇▄▂▂▂▂▂▂▂▂▁▁▁▂▂▂▂▂▃▃▂▂▂▂▁▁4304355545655535635785756075865915625322126666666166627999-91305582101109111129128107122843793NANANA3NANANA
us-gaap:OtherLiabilitiesNoncurrent ▄▅▄▄▄█████▇▇▇▇▆▆▆▆▆▆▆▅▅▄▄▄▂▂▂▂▂▁▁▁▃▃▆▃901937870868864126512881246124612441190117111861142106810581093106510791049104310289338898938227056886956436675995825628057391035808NANANA669NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent █████▁613765106448633563160NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:StockholdersEquity ▂▄▄▅▅▅▅▅▆▆▇▇▇▇▇▇▇▇▇██▂▃▃▂▁▁▁▂▂▂▁▁▁▁▂▁▁36345055524054775347533653505550633462416518648268526763670767736933665166177310735139534194440636713534352835183671357335563357347832873263356134993501NANANA3315NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▂▅▅▆▅▅▅▆▇▇▇▇█▇▇▇▇▇▇██▂▂▃▂▁▁▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁406454905795604359005899592861266941682871097045738469766774684070006712668473737431405341854408370135903611361937813684368534863586341033473599350935043453343034573318NANANA
 us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital█▇██████████▇▇▇▇▇▇▇▇▇▂▂▂▁▁▁▁▁▁▁▁▁▁▆▆▆▆▆▅▅▅10255101171055110492104471038010310102511022410247102121016510094100439817978197149690965096199583578857575772515351305097506150295012497149464917490386658630858985778548850384478393NANANA
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us-gaap:CommonStockValue █████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁████44444444444444444444433333333333334444NANANA4NANANA
us-gaap:AdditionalPaidInCapital █▇██████████▇▇▇▇▇▇▇▇▇▂▂▂▁▁▁▁▁▁▁▁▁▁▆▆▆▆1025510117105511049210447103801031010251102241024710212101651009410043981797819714969096509619958357885757577251535130509750615029501249714946491749038665863085898577NANANA8393NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▆▇▆▅▅▅▆▆▆▆▇▇▆▆▆▆▇▇▇████▇▇▆▆▆▆▅▅▄▄▃▂▃▂▁-1082-1016-1130-1206-1226-1199-1104-1121-1085-1058-975-989-1053-1076-1030-1033-967-998-995-876-822-837-854-911-1006-1081-1066-1135-1128-1196-1237-1378-1339-1477-1545-1529-1644-1736NANANA-2109NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▃▃▄▄▄▄▄▅▅▅▅▅▅▅▅▅▅▅▆▆▇▇▇▇▇▇▇██████████-4271-2823-2979-2606-2672-2642-2696-2510-1834-1978-1839-1848-1759-1999-1876-1770-1610-1836-1832-1228-1205-794-504-250-272-311-298-274-158-183-164-203-97-142-87625438NANANA-12NANANA
us-gaap:TreasuryStockValue ▃▃▃▃▃▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁██▇▇1271122612061206120612061163107497497488484943220720720720720720720720720720720720720720713775621610403775360635043381NANANA2961NANANA
us-gaap:MinorityInterest ▆▆▇█▇██████▇▇▄▂▂▂▂▂▂▂▂▁▁▁▂▂▂▂▂▃▃▂▂▂▂▁▁4304355545655535635785756075865915625322126666666166627999-91305582101109111129128107122843793NANANA3NANANA
us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders ▂█▁▁▁█▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1130001400013000000000000000NANANA0000000NA0NA0NA0NANANANA
 us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▂█▁▁▁█▁▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1130001400013000000000000000NANANA0000000NA0NA0NA0NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▅▄▅▂█▂▄▂▂▁▃▁80099393710367851263753940791789663794678NANANA563NANANA509NANANANANANANA394297353360402315290NA283NA258NA253NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁▆██▇█▇▅▅██▆██▅█-253400000.0-2586700000.0-810100000.0-267400000.0-323300000.0-694400000.0-212100000.0-562400000.0-1280600000.0-1290400000.0-296000000.0-294200000.0-920300000.0-316098000.0-242801000.0-1357885000.0-185516000.0NA-1124837000.0-830021000.0-5249419000.0NANANANANANANA-376628000.0-1384119000.0-407357000.0-475613000.0-291296000.0-1231181000.0-502344000.0NA-674530000.0NA-572250000.0NA-150680000.0NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█▃▁▁▁▂▁▅▄▂▂▃-606169672-597-650-573-222-628817500-323-448157NANANA-366NANANA4760NANANANANANANA341058-5814227108161NA-137NA374NA2NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▅▄▅▂█▂▄▂▂▁▃▁80099393710367851263753940791789663794678NANANA563NANANA509NANANANANANANA394297353360402315290NA283NA258NA253NANANANA
us-gaap:NetIncomeLoss ▆█▇▆▆▅▆▅▅▄▅▆▅▄▄▃▅▄▂▃▄▃▄▄▄▂▃▂▃▃▄▂▄▄▁▃▂▂▂▂▂▂▂▂▂415562498429397277366306285238317367316229264187275232102156193180207234202991809917113523248221205-15115918393999664675658
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us-gaap:ShareBasedCompensation █▂▂▂▇▃▇▂▇▂▂▃▅▁▁▂▃▁▁▂▄▁▁▁▂47232321422643244222242536192021281818242918181824NA1517211213131311121112NA131313NANANANA
 us-gaap:ShareBasedCompensation us-gaap:AwardType us-gaap:PerformanceShares▄▂▂▂▄▄█▃▃▂▃▃▂▂▂▂▁▁▁▁▁1254210102668566522201000NANANANANANANANANANANANANANANANANANANANANANANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities █▁▆██▇█▇▅▅██▆██▅█-253400000.0-2586700000.0-810100000.0-267400000.0-323300000.0-694400000.0-212100000.0-562400000.0-1280600000.0-1290400000.0-296000000.0-294200000.0-920300000.0-316098000.0-242801000.0-1357885000.0-185516000.0NA-1124837000.0-830021000.0-5249419000.0NANANANANANANA-376628000.0-1384119000.0-407357000.0-475613000.0-291296000.0-1231181000.0-502344000.0NA-674530000.0NA-572250000.0NA-150680000.0NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁█▃▁▁▁▂▁▅▄▂▂▃-606169672-597-650-573-222-628817500-323-448157NANANA-366NANANA4760NANANANANANANA341058-5814227108161NA-137NA374NA2NANANANA
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType srt:Subsidiaries,amt:OtherSubsidiaryDebt,us-gaap:UnsecuredDebt,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsOfDividendsCommonStock █▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▁4544204073983773483393313042832742642502342252162091941861771521421341260NANANA0NANANANANANANANANANANANANANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▂▁▁▁▁▂▂▂▁▂▁█▃▁▁▁▁3919000518298096284941470000NANANANA0000NANANA1229662046159NA127NA149NA58NANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
 us-gaap:RepaymentsOfLongTermDebt us-gaap:ConsolidatedEntities,us-gaap:DebtInstrument,us-gaap:LongtermDebtType,us-gaap:SubsequentEventType srt:Subsidiaries,amt:OtherSubsidiaryDebt,us-gaap:UnsecuredDebt,us-gaap:SubsequentEventNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value444444444444444444444333333333333344444
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 Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1

Common Stock Par Or Stated Value Per Share

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value454453453452452451451450450437437437430429428428427426426426425399397395395393488486
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312012-09-302011-12-312011-09-302010-12-31
Value-10-10-10-10-10-10-10-9-8-8-8-842-2-2-2-2-2-2-2-2-2000-94-87
Percentage of SharesOutstanding-2.4-2.3-2.3-2.3-2.3-2.3-2.3-2.1-2.0-2.0-1.9-1.81.10.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.7-0.2-0.10.0-19.4-18.0

Shares Issued

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0453453452452451451450450437437437430429428428427426426426425399399398398397397396396395395395394393488487486486479
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0442442442441441440441441428429429426427425425424423423423423396396396395394394395395395395395394393393395397398401
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value110001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value445445445444444444438432430430429429427427426409400399399398399399399398398395400401403405406
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value443442442441440441435429427427425424424423423405396395395394395395395394393395396397400402402
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.941.271.130.970.90.630.830.690.630.510.70.810.680.480.560.380.590.490.180.310.450.430.50.580.510.250.460.250.430.340.590.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value0.931.261.120.960.890.620.830.690.630.510.690.80.670.470.550.370.580.480.180.30.450.420.50.580.510.250.450.250.430.340.580.120.560.52-0.040.290.230.210.230.250.240.160.170.140.15
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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 End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1181923137188918132131178517801741170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.9100.07.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

amt:NonLeasePropertyRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value981091059997268250246225
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.15.776.75.35.412.614.013.813.0
Percentage of Revenues4.95.75.45.35.412.614.013.813.0
Percentage of Revenues amt:NonLeasePropertyRevenue0.00.00.00.00.00.00.00.00.0

amt:ServicesRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value191532402728333131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.90.823.32.21.51.31.91.81.8
Percentage of Revenues1.00.81.62.21.51.31.91.81.8
Percentage of Revenues amt:ServicesRevenue100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ProductOrService, us-gaap:StatementGeographical

amt:NonLeasePropertyRevenue, country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value586966605869666967
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.73.648.63.23.23.33.73.93.9
Percentage of Revenues2.93.63.43.23.23.33.73.93.9
Percentage of Revenues amt:NonLeasePropertyRevenue country:US0.00.00.00.00.00.00.00.00.0

amt:NonLeasePropertyRevenue, srt:Africa



Period End2020-03-312019-03-31
Value20
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.50.0
Percentage of Revenues0.10.0
Percentage of Revenues amt:NonLeasePropertyRevenue srt:Africa0.00.0

amt:NonLeasePropertyRevenue, srt:Asia



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2222212612111
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.90.11.60.10.15.96.80.10.1
Percentage of Revenues0.10.10.10.10.15.96.80.10.1
Percentage of Revenues amt:NonLeasePropertyRevenue srt:Asia0.00.00.00.00.00.00.00.00.0

amt:NonLeasePropertyRevenue, srt:LatinAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value323434343534272423
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.91.824.81.81.91.61.51.41.4
Percentage of Revenues1.71.81.71.81.91.61.51.41.4
Percentage of Revenues amt:NonLeasePropertyRevenue srt:LatinAmerica0.00.00.00.00.00.00.00.00.0

amt:NonLeasePropertyRevenue, us-gaap:EMEA



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value121138343335
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.70.10.11.81.91.92.0
Percentage of Revenues0.10.10.10.11.81.91.92.0
Percentage of Revenues amt:NonLeasePropertyRevenue us-gaap:EMEA0.00.00.00.00.00.00.00.0

amt:ServicesRevenue, country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value191532402728333131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.90.823.32.21.51.31.91.81.8
Percentage of Revenues1.00.81.62.21.51.31.91.81.8
Percentage of Revenues amt:ServicesRevenue country:US0.00.00.00.00.00.00.00.00.0

us-gaap:StatementGeographical

country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value788498104710131004991988962
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax66.54.471.955.555.947.155.555.555.3
Percentage of Revenues3.94.45.155.555.947.155.555.555.3
Percentage of Revenues country:US7.10.08.8100.0100.00.0100.0100.0100.0

srt:Africa



Period End2020-03-312019-03-31
Value20
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.50.0
Percentage of Revenues0.10.0
Percentage of Revenues srt:Africa1.30.6

srt:Asia



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value222321288636323307273
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.90.11.617.015.929.918.117.315.7
Percentage of Revenues0.10.10.117.015.929.918.117.315.7
Percentage of Revenues srt:Asia0.80.00.7100.0100.00.0100.0100.0100.0

srt:LatinAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value323434345333311304317331
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.91.824.818.318.414.617.017.819.0
Percentage of Revenues1.71.81.718.318.414.617.017.819.0
Percentage of Revenues srt:LatinAmerica9.80.010.3100.0100.00.0100.0100.0100.0

us-gaap:EMEA



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value12175177179166166174
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.31.79.39.88.49.39.410.0
Percentage of Revenues0.10.19.39.88.49.39.410.0
Percentage of Revenues us-gaap:EMEA4.31.3100.0529.90.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value1993192319534027213117853131170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.02.21.5100.0100.01.81.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value199319231953188918132131178517801741170416801662161615391514144212891280123711741079104610381031984941807808802768713697696653630597562547513469454447444423408
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:OperatingSegments



Period End2020-03-312019-03-31
Value19931813
Percentage of Revenues100.0100.0
Percentage of Revenues100.0100.0
Percentage of Revenues us-gaap:OperatingSegments100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value1915324027283331312625242218161621282520171627252311192515
Percentage of Revenues1.00.81.62.21.51.31.91.81.81.51.51.51.41.21.11.11.72.32.01.71.61.62.62.52.41.42.43.22.2
Percentage of Revenues1.00.81.62.21.51.31.91.81.81.51.51.51.41.21.11.11.72.32.01.71.61.62.62.52.41.42.43.22.2
Percentage of Revenues us-gaap:OperatingSegments amt:NetworkDevelopmentServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:Property



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
Value197319081921184817862103175117491710167816551638159415211497142612671251121211541062
Percentage of Revenues99.099.298.497.898.598.798.198.298.298.598.598.598.698.898.998.998.397.798.098.398.4
Percentage of Revenues99.099.298.497.898.598.798.198.298.298.598.598.598.698.898.998.998.397.798.098.398.4
Percentage of Revenues us-gaap:OperatingSegments amt:Property100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyAfrica



Period End2020-03-312019-03-31
Value225144
Percentage of Revenues11.37.9
Percentage of Revenues11.37.9
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAfrica100.0100.0

us-gaap:OperatingSegments, amt:PropertyAsia



Period End2020-03-312019-03-31
Value286288
Percentage of Revenues14.415.9
Percentage of Revenues14.415.9
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAsia100.0100.0

us-gaap:OperatingSegments, amt:PropertyEurope



Period End2020-03-312019-03-31
Value3433
Percentage of Revenues1.71.8
Percentage of Revenues1.71.8
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyEurope100.0100.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica



Period End2020-03-312019-03-31
Value336333
Percentage of Revenues16.918.4
Percentage of Revenues16.918.4
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyLatinAmerica100.0100.0

us-gaap:OperatingSegments, amt:PropertyUS



Period End2020-03-312019-03-31
Value1089986
Percentage of Revenues54.754.4
Percentage of Revenues54.754.4
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyUS100.0100.0

us-gaap:ProductOrService

amt:PropertyRevenue



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value197319081921178621031751
Percentage of Revenues99.099.298.498.598.798.1
Percentage of Revenues99.099.298.498.598.798.1
Percentage of Revenues amt:PropertyRevenue100.0100.0100.0100.0100.0100.0

amt:ServicesRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value191532402728333131
Percentage of Revenues1.00.81.62.21.51.31.91.81.8
Percentage of Revenues1.00.81.62.21.51.31.91.81.8
Percentage of Revenues amt:ServicesRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:US



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value110911141127104710131004991988962
Percentage of Revenues55.757.957.755.555.947.155.555.555.3
Percentage of Revenues55.757.957.755.555.947.155.555.555.3
Percentage of Revenues country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Africa



Period End2020-03-312019-03-31
Value225144
Percentage of Revenues11.37.9
Percentage of Revenues11.37.9
Percentage of Revenues srt:Africa100.0100.0

srt:Asia



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value286294312321288636323307273
Percentage of Revenues14.415.316.017.015.929.918.117.315.7
Percentage of Revenues14.415.316.017.015.929.918.117.315.7
Percentage of Revenues srt:Asia100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:LatinAmerica



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value336330331345333311304317331
Percentage of Revenues16.917.217.018.318.414.617.017.819.0
Percentage of Revenues16.917.217.018.318.414.617.017.819.0
Percentage of Revenues srt:LatinAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EMEA



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3418117533179166166174
Percentage of Revenues1.79.39.31.88.49.39.410.0
Percentage of Revenues1.79.39.31.88.49.39.410.0
Percentage of Revenues us-gaap:EMEA100.0100.0100.0100.0100.0100.0100.0100.0

Sales Revenue Net

Cost Of Revenue

us-gaap:ConsolidationItems

us-gaap:CostOfRevenue

us-gaap:OperatingSegments



Period End2020-03-312019-03-31
Value551542
Percentage of CostOfRevenue100.0100.0
Percentage of Revenues27.729.9
Percentage of Revenues us-gaap:OperatingSegments27.729.9

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices



Period End2020-03-312019-03-31
Value710
Percentage of CostOfRevenue1.41.9
Percentage of Revenues0.40.6
Percentage of Revenues us-gaap:OperatingSegments amt:NetworkDevelopmentServices38.236.9

us-gaap:OperatingSegments, amt:Property



Period End2020-03-312019-03-31
Value543532
Percentage of CostOfRevenue98.698.1
Percentage of Revenues27.329.4
Percentage of Revenues us-gaap:OperatingSegments amt:Property27.529.8

us-gaap:OperatingSegments, amt:PropertyAfrica



Period End2020-03-312019-03-31
Value7753
Percentage of CostOfRevenue14.19.9
Percentage of Revenues3.93.0
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAfrica34.537.2

us-gaap:OperatingSegments, amt:PropertyAsia



Period End2020-03-312019-03-31
Value164178
Percentage of CostOfRevenue29.832.8
Percentage of Revenues8.29.8
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAsia57.261.6

us-gaap:OperatingSegments, amt:PropertyEurope



Period End2020-03-312019-03-31
Value66
Percentage of CostOfRevenue1.21.1
Percentage of Revenues0.30.3
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyEurope19.118.5

us-gaap:OperatingSegments, amt:PropertyLatinAmerica



Period End2020-03-312019-03-31
Value105103
Percentage of CostOfRevenue19.119.1
Percentage of Revenues5.35.7
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyLatinAmerica31.231.0

us-gaap:OperatingSegments, amt:PropertyUS



Period End2020-03-312019-03-31
Value190191
Percentage of CostOfRevenue34.535.3
Percentage of Revenues9.510.5
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyUS17.419.4

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value761113109131312
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.40.40.60.70.60.50.80.70.7

Cost Of Services

Gross Profit

us-gaap:ConsolidationItems

us-gaap:GrossProfit

us-gaap:OperatingSegments



Period End2020-03-312019-03-31
Value14421270
Percentage of GrossProfit100.0100.0
Percentage of Revenues72.370.1
Percentage of Revenues us-gaap:OperatingSegments72.370.1

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices



Period End2020-03-312019-03-31
Value1217
Percentage of GrossProfit0.91.4
Percentage of Revenues0.61.0
Percentage of Revenues us-gaap:OperatingSegments amt:NetworkDevelopmentServices61.863.1

us-gaap:OperatingSegments, amt:Property



Period End2020-03-312019-03-31
Value14291253
Percentage of GrossProfit99.198.6
Percentage of Revenues71.769.1
Percentage of Revenues us-gaap:OperatingSegments amt:Property72.570.2

us-gaap:OperatingSegments, amt:PropertyAfrica



Period End2020-03-312019-03-31
Value14790
Percentage of GrossProfit10.27.1
Percentage of Revenues7.45.0
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAfrica65.562.8

us-gaap:OperatingSegments, amt:PropertyAsia



Period End2020-03-312019-03-31
Value122110
Percentage of GrossProfit8.58.7
Percentage of Revenues6.26.1
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAsia42.838.4

us-gaap:OperatingSegments, amt:PropertyEurope



Period End2020-03-312019-03-31
Value2727
Percentage of GrossProfit1.92.1
Percentage of Revenues1.41.5
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyEurope80.981.5

us-gaap:OperatingSegments, amt:PropertyLatinAmerica



Period End2020-03-312019-03-31
Value231229
Percentage of GrossProfit16.118.1
Percentage of Revenues11.612.7
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyLatinAmerica68.869.0

us-gaap:OperatingSegments, amt:PropertyUS



Period End2020-03-312019-03-31
Value899795
Percentage of GrossProfit62.462.6
Percentage of Revenues45.243.8
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyUS82.680.6

Costs And Expenses

us-gaap:CostsAndExpenses



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value1256126212251205119817431218123413381375111910851084105010351009837877836784659700653628630499496503489417427422405402371344299281275
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues63.065.662.763.866.181.868.269.376.980.766.665.367.168.268.470.064.968.667.666.861.166.962.961.064.161.861.362.763.758.661.260.662.163.862.261.258.459.860.6

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value2171791871641981921771572041711471531641381311381351431141161231291089811097991018981767973767266575353
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.99.39.68.710.99.010.08.911.810.08.89.210.29.08.79.610.511.29.39.911.412.310.59.511.212.112.312.611.611.411.011.411.312.112.111.811.211.411.8

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value4338
Percentage of SellingGeneralAndAdministrativeExpense20.119.5
Percentage of Revenues2.22.1
Percentage of Revenues us-gaap:MaterialReconcilingItems0.00.0

us-gaap:OperatingSegments



Period End2020-03-312019-03-31
Value127117
Percentage of SellingGeneralAndAdministrativeExpense58.459.5
Percentage of Revenues6.46.5
Percentage of Revenues us-gaap:OperatingSegments6.46.5

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices



Period End2020-03-312019-03-31
Value33
Percentage of SellingGeneralAndAdministrativeExpense1.61.7
Percentage of Revenues0.20.2
Percentage of Revenues us-gaap:OperatingSegments amt:NetworkDevelopmentServices17.612.4

us-gaap:OperatingSegments, amt:Property



Period End2020-03-312019-03-31
Value123114
Percentage of SellingGeneralAndAdministrativeExpense56.857.7
Percentage of Revenues6.26.3
Percentage of Revenues us-gaap:OperatingSegments amt:Property6.36.4

us-gaap:OperatingSegments, amt:PropertyAfrica



Period End2020-03-312019-03-31
Value1713
Percentage of SellingGeneralAndAdministrativeExpense7.96.7
Percentage of Revenues0.90.7
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAfrica7.69.2

us-gaap:OperatingSegments, amt:PropertyAsia



Period End2020-03-312019-03-31
Value3226
Percentage of SellingGeneralAndAdministrativeExpense15.013.4
Percentage of Revenues1.61.5
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAsia11.49.2

us-gaap:OperatingSegments, amt:PropertyEurope



Period End2020-03-312019-03-31
Value55
Percentage of SellingGeneralAndAdministrativeExpense2.52.6
Percentage of Revenues0.30.3
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyEurope15.915.5

us-gaap:OperatingSegments, amt:PropertyLatinAmerica



Period End2020-03-312019-03-31
Value2627
Percentage of SellingGeneralAndAdministrativeExpense12.214.0
Percentage of Revenues1.31.5
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyLatinAmerica7.98.3

us-gaap:OperatingSegments, amt:PropertyUS



Period End2020-03-312019-03-31
Value4241
Percentage of SellingGeneralAndAdministrativeExpense19.321.0
Percentage of Revenues2.12.3
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyUS3.94.2

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value736661728683614388567546402329561576531489479432451402400389419345384402353292308312299279295270274247228225218203213188178176179166150
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues37.034.437.336.233.918.231.830.723.119.333.434.732.931.831.630.035.131.432.433.238.933.137.139.035.931.138.238.737.336.341.438.839.437.936.237.838.837.141.640.239.439.440.339.336.8

us-gaap:ConsolidationItems

us-gaap:OperatingSegments



Period End2020-03-312019-03-31
Value13141153
Percentage of OperatingIncomeLoss178.4187.5
Percentage of Revenues66.063.6
Percentage of Revenues us-gaap:OperatingSegments66.063.6

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices



Period End2020-03-312019-03-31
Value813
Percentage of OperatingIncomeLoss1.22.3
Percentage of Revenues0.40.8
Percentage of Revenues us-gaap:OperatingSegments amt:NetworkDevelopmentServices44.250.7

us-gaap:OperatingSegments, amt:Property



Period End2020-03-312019-03-31
Value13051139
Percentage of OperatingIncomeLoss177.2185.3
Percentage of Revenues65.562.8
Percentage of Revenues us-gaap:OperatingSegments amt:Property66.263.8

us-gaap:OperatingSegments, amt:PropertyAfrica



Period End2020-03-312019-03-31
Value13077
Percentage of OperatingIncomeLoss17.712.6
Percentage of Revenues6.64.3
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAfrica58.053.7

us-gaap:OperatingSegments, amt:PropertyAsia



Period End2020-03-312019-03-31
Value9084
Percentage of OperatingIncomeLoss12.213.7
Percentage of Revenues4.54.6
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyAsia31.429.2

us-gaap:OperatingSegments, amt:PropertyEurope



Period End2020-03-312019-03-31
Value2222
Percentage of OperatingIncomeLoss3.03.6
Percentage of Revenues1.11.2
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyEurope64.966.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica



Period End2020-03-312019-03-31
Value204202
Percentage of OperatingIncomeLoss27.832.9
Percentage of Revenues10.311.2
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyLatinAmerica60.960.7

us-gaap:OperatingSegments, amt:PropertyUS



Period End2020-03-312019-03-31
Value857753
Percentage of OperatingIncomeLoss116.4122.5
Percentage of Revenues43.041.5
Percentage of Revenues us-gaap:OperatingSegments amt:PropertyUS78.776.4

Interest Expense

us-gaap:InterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value2082002012042072082092071901881871831901811591491481471471431461431061001111041021009585777474625658
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.510.410.310.811.49.811.711.711.211.211.211.412.612.612.412.112.613.714.113.814.214.613.212.513.913.514.314.413.713.012.312.513.212.311.912.9

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-63-22-521921-3427-8-11129-21-12-2512-11-66-2-54-7-34-16-3-29-14122-1846-11852-7-15021138-60
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-3.2-0.10.1-0.31.20.51.2-2.01.6-0.5-0.10.71.8-1.4-0.8-1.80.9-0.9-5.4-0.2-5.1-0.7-3.3-1.6-0.4-3.7-17.52.8-2.56.5-17.07.6-1.1-23.93.62.41.6-1.40.1

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value-3400-220-30000-140-55000000-75-3-42-100-2-350000000000
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.00.0100.00.00.00.00.00.0100.0
Percentage of Revenues-1.70.00.0-1.2-0.0-0.20.00.00.0-0.0-0.8-0.0-3.40.00.00.10.0-0.10.0-6.4-0.3-0.50.3-0.1-0.00.0-0.3-4.40.00.00.0-0.10.00.00.00.00.0-0.0

Income Loss From Continuing Operations

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-03-312019-03-31
Value439441
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0
Percentage of Revenues22.124.4

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value-297100000.0-192400000.0-186300000.0-220000000.0-173300000.0-191600000.0-177400000.0-227700000.0-153700000.0-187600000.0-193055000.0-164439000.0-197206000.0-195613000.0-193302000.0-196832000.0-141422000.0-154637000.0-208950000.0-218638000.0-200602000.0-151754000.0-167751000.0-159038000.0-142675000.0-130071000.0-240146000.0-119516000.0-117905000.0-50675000.0-212987000.0-36858000.0-88216000.0-223352000.0-46752000.0-54917000.0-49129000.0-58549000.0-54020000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-14.9-10.0-9.5-11.6-9.6-9.0-9.9-12.8-8.8-11.0-11.5-9.9-12.2-12.7-12.8-13.6-11.0-12.1-16.9-18.6-18.6-14.5-16.2-15.4-14.5-16.1-29.7-14.9-15.3-7.1-30.5-5.3-13.5-35.4-7.8-9.8-9.6-12.5-11.9

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value21-100362934-95123-31-5333232660224329259413231210211715-111943132327-36246571703028
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.1-5.21.91.61.9-4.50.70.2-1.8-3.12.01.41.74.01.53.02.32.07.61.22.21.21.02.11.81.9-1.42.45.61.83.43.9-5.63.911.012.713.86.56.2

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3536334136883019244827372324213119261001514161616191340151305201413
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.81.91.72.22.04.21.71.11.42.91.62.21.41.61.42.21.52.18.11.31.41.61.61.61.91.75.32.22.0-0.10.83.32.52.4

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41856950543440729237731428019433438830723226319228122197157195181206221193731638416011823133210196-191139183939996
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues21.029.625.923.022.513.721.117.716.111.419.923.419.015.117.413.321.817.37.913.418.117.419.921.519.67.820.210.420.115.432.54.830.230.1-3.118.916.315.318.221.221.2

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-1343162-407741287-248-76657-10712-54293-159-91-177226-1-600-44-432-292-254-322-24-1232738-11236
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-67.48.5-20.93.90.74.1-13.9-43.03.3-6.30.7-3.318.2-10.4-6.0-12.317.6-0.1-48.5-3.7-40.1-27.9-24.5-0.32.3-3.1-15.33.45.4-16.15.3

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1033718126494368331180-368428993272775559715927501228-501133-218-109-45255241156-16196116271-57266149-165123108
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-51.837.36.526.220.315.510.1-20.724.65.819.516.734.46.310.51.938.917.9-40.511.4-20.2-10.5-4.424.824.519.4-2.024.515.238.0-8.238.222.9-26.220.619.2

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value-1343162-407741287-248-765136-10712-54293-159-92-1782260-599-41-433-291-254-222-25-1182638-11337
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-67.48.5-20.93.90.74.1-13.9-43.07.8-6.30.8-3.318.2-10.4-6.1-12.317.6-0.1-48.5-3.5-40.2-27.9-24.5-0.22.3-3.1-14.73.45.3-16.25.3

Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-92473297508420380128-451416873473336017317114507220-502115-238-110-47219216137-3418794269-79247134-169121108
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-46.438.15.026.923.217.87.2-25.323.95.120.720.137.24.711.31.039.417.2-40.69.9-22.1-10.5-4.621.322.017.1-4.323.412.237.8-11.435.520.6-26.920.319.3

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value415562498429397277366306285238317367316229264187275232102156193180207234202991809917113523248221205-15115918393999664675658
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues20.829.325.522.721.913.020.517.216.414.018.922.119.614.917.513.021.318.28.313.317.917.220.022.720.610.622.312.321.417.732.56.931.831.4-2.519.316.315.218.221.221.214.415.213.314.3

Preferred Stock Dividends Income Statement Impact

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



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
Value415562498429397277366306275219298344289202237160248205761291831681992302029918099171
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues20.829.325.522.721.913.020.517.215.812.917.820.717.913.115.711.119.316.16.211.017.016.119.322.320.610.622.312.321.4

Net Income Loss Available To Common Stockholders Diluted

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value36651015107-4-431721-83046-11-51210-12-9-16-15-10-170-14-10-8-4-20000
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.30.30.30.60.70.60.4-0.3-2.61.01.3-0.50.2-0.10.30.5-0.9-0.40.10.20.1-0.1-1.2-0.9-2.1-1.9-1.3-2.3-0.0-2.1-1.6-1.3-0.6-0.30.00.00.00.0

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value40789428013930739072389263301033077332053437233214323193213832057308793065530740270642690426926264692593021331205962084720417202721818114339144631408912961127091263812232108951097310758103688519
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value483350
Percentage of Assets1.20.9
Percentage of Assets1.20.9
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, amt:NetworkDevelopmentServices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value29265555434650454742474349486062616870716757405865474948666333
Percentage of Assets0.10.10.10.10.10.10.20.10.10.10.10.10.20.20.20.20.20.30.30.30.30.30.20.30.30.20.30.30.50.50.3
Percentage of Assets0.10.10.10.10.10.10.20.10.10.10.10.10.20.20.20.20.20.30.30.30.30.30.20.30.30.20.30.30.50.50.3
Percentage of Assets us-gaap:OperatingSegments amt:NetworkDevelopmentServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:Property



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value40276387333869538532327083292734119320193181531778304563046226805267032622225750
Percentage of Assets98.798.599.099.098.999.299.399.199.099.199.399.199.099.299.199.3
Percentage of Assets98.798.599.099.098.999.299.399.199.099.199.399.199.099.299.199.3
Percentage of Assets us-gaap:OperatingSegments amt:Property100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, amt:PropertyAfrica



Period End2020-03-312019-03-31
Value45102085
Percentage of Assets11.15.4
Percentage of Assets11.15.4
Percentage of Assets us-gaap:OperatingSegments amt:PropertyAfrica100.0100.0

us-gaap:OperatingSegments, amt:PropertyAsia



Period End2020-03-312019-03-31
Value49865427
Percentage of Assets12.213.9
Percentage of Assets12.213.9
Percentage of Assets us-gaap:OperatingSegments amt:PropertyAsia100.0100.0

us-gaap:OperatingSegments, amt:PropertyEurope



Period End2020-03-312019-03-31
Value15541552
Percentage of Assets3.84.0
Percentage of Assets3.84.0
Percentage of Assets us-gaap:OperatingSegments amt:PropertyEurope100.0100.0

us-gaap:OperatingSegments, amt:PropertyLatinAmerica



Period End2020-03-312019-03-31
Value67397306
Percentage of Assets16.518.8
Percentage of Assets16.518.8
Percentage of Assets us-gaap:OperatingSegments amt:PropertyLatinAmerica100.0100.0

us-gaap:OperatingSegments, amt:PropertyUS



Period End2020-03-312019-03-31
Value2248622160
Percentage of Assets55.156.9
Percentage of Assets55.156.9
Percentage of Assets us-gaap:OperatingSegments amt:PropertyUS100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value361833621432937324393243726106261932606926366252602406223937235422281122781228142006420191202421909618498172781641116439167151668214569107191068210404927592239051882275477373724968635201
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.784.683.883.083.379.179.278.576.776.174.574.573.473.974.374.274.175.075.272.171.381.079.778.981.982.380.174.873.973.971.672.671.672.169.367.267.466.261.1

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value40789428013930739072389263301033077332053437233214323193213832057308793065530740270642690426926264692593021331205962084720417202721818114339144631408912961127091263812232108951097310758103688519
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 End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value363450555240547753475336535055506334624165186482685267636707677369336651661773107351395341944406367135343528351836713573355633573478328732633561349935013315
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.911.813.314.013.716.216.216.718.418.820.220.221.421.921.922.025.624.724.627.628.418.520.421.118.017.419.424.525.425.427.426.427.526.930.032.532.533.838.9

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value25042553236222322062238524372127279720381963180217111689137013201036996940940925947996998104295247429469038298729199758428139129511404655
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 Assets6.16.06.05.75.37.27.46.48.16.16.15.65.35.54.54.33.83.73.53.63.64.44.84.85.14.726.16.66.25.96.77.27.76.97.58.38.813.57.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value13261501135211921004120810268341125802799770712787530410336320287274323313295282333293404044844136838248147133017733236288337130235224714333
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 Assets3.33.53.43.12.63.73.12.53.32.42.52.42.22.51.71.31.21.21.11.01.21.51.41.41.61.422.23.13.12.62.93.83.72.71.63.03.48.50.00.00.02.90.00.0

Short Term Investments

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6234624414594734595115065575135083223693082732852172272062121751981981742271511521301451361489910510010099978067
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.11.11.21.21.41.51.51.61.51.61.01.21.00.90.90.80.80.80.80.70.91.00.81.10.70.80.91.01.01.10.80.80.80.90.90.90.80.8

Other Assets Current

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value480513472486471621564569571568499566477441415481341306282263269254316342265314365232232222270240279316145
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.21.21.21.91.71.71.71.71.51.81.51.41.41.61.31.11.01.01.01.21.51.61.31.52.01.61.61.62.11.92.22.61.4

Machinery And Equipment Gross

Noncurrent Assets

Property Plant And Equipment Gross

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

Property Plant And Equipment Net

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value5948617854815557553855015463552656475638537153715379507049974981412340914055403639804017386638543737372928152832289829122763271427672805267327792669249022502186
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.614.413.914.214.216.716.516.616.417.016.616.716.816.416.316.215.215.215.115.315.318.818.818.518.318.415.519.820.020.721.321.421.922.924.525.324.824.026.40.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11600123181089510895110421117411481117581194011783115801172811826112741155711590981398371001298539536688963896637661767013195321432713115259525692523235122082346244019851594
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 Assets28.428.827.727.928.433.934.735.434.735.535.836.536.936.537.737.736.336.637.237.236.832.331.031.832.433.117.622.422.622.120.020.220.019.220.321.422.719.118.7

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1160012318108951089511042111741148111758119401178311580117281182611274115571159098139837992597619461681363106562653866243117314632023065254325152469230421652299239519381550
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.428.827.727.928.433.934.735.434.735.535.836.536.936.537.737.736.336.636.936.936.531.930.631.532.032.717.121.922.121.819.619.819.518.819.921.022.318.718.2

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

amt:AcquiredLicensesAndOtherIntangibles



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8688848990896641505031293123242524222228323933444555554411111
Percentage of FiniteLivedIntangibleAssetsNet0.70.70.80.80.80.80.60.40.40.40.30.20.30.20.20.20.20.20.20.30.30.60.10.10.10.10.10.20.20.20.20.20.20.20.10.10.10.10.1
Percentage of Assets0.20.20.20.20.20.30.20.10.10.20.10.10.10.10.10.10.10.10.10.10.10.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets amt:AcquiredLicensesAndOtherIntangibles0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

amt:AcquiredNetworkLocation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value302832302969296830173075317132593338333333913449348833423397341329102927295127852730161115081568154115749639761014975937977905842747821857697553
Percentage of FiniteLivedIntangibleAssetsNet26.126.227.327.227.327.527.627.728.028.329.329.429.529.629.429.529.729.829.728.528.923.723.923.923.623.830.931.031.731.836.938.936.736.634.535.735.836.035.7
Percentage of Assets7.47.57.67.67.89.39.69.89.710.010.510.710.910.811.111.110.810.911.010.510.57.67.37.57.57.85.36.87.06.97.27.77.26.96.97.58.06.76.5
Percentage of Assets amt:AcquiredNetworkLocation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8485899978417837793480098244845485488396815482468303790681278142686868766940693566865149478449764978503121352150216620861585151815431523119012431294985701
Percentage of FiniteLivedIntangibleAssetsNet73.173.172.071.971.971.771.871.971.671.370.470.370.270.170.370.270.069.969.971.170.775.675.875.876.176.068.568.367.768.162.360.362.566.155.054.154.150.845.2
Percentage of Assets20.821.020.020.120.424.324.925.524.925.325.225.725.925.626.526.525.425.625.826.225.824.123.223.924.424.811.715.015.014.812.211.912.212.510.911.312.09.58.2
Percentage of Assets us-gaap:CustomerRelationships0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4074062482632799629781024990950931888863841813809753732788736778566528515453445452476482452522524480493336882849785651
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.90.60.70.72.93.03.12.92.92.92.82.72.72.72.62.82.72.92.83.02.72.62.52.22.22.53.33.33.24.04.13.84.03.18.07.97.67.7

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value515454874787482144114689457945624544251222603278320916311519165511981200136910361731192919372243127592482378173963285090693977913711309826542391
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 Assets12.612.812.212.311.314.213.813.713.27.67.010.210.05.35.05.44.44.55.13.96.79.09.410.86.24.64.55.45.14.56.67.17.46.412.611.97.75.24.6

Debt Current

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value26402928244324422097275428412791280377468717321707238242314137504538789897960122532570675757601301271271017470
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.56.86.26.35.48.38.68.48.22.32.15.45.30.80.81.00.50.20.20.13.04.24.75.91.60.30.40.40.40.41.01.01.00.80.70.8

us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:ParentCompany, amt:TermLoan2020, us-gaap:UnsecuredDebt



Period End2020-02-13
Value750
Percentage of LongTermDebtCurrent0.0
Percentage of Assets0.0
Percentage of Assets srt:ParentCompany amt:TermLoan2020 us-gaap:UnsecuredDebt0.0

srt:ParentCompany, amt:Threepointthreezerozeropercentseniornotes, us-gaap:SeniorNotes



Period End2020-03-31
Value750
Percentage of LongTermDebtCurrent28.4
Percentage of Assets1.8
Percentage of Assets srt:ParentCompany amt:Threepointthreezerozeropercentseniornotes us-gaap:SeniorNotes0.0

srt:ParentCompany, amt:TwoPointEightZeroPercentSeniorNotesMember, us-gaap:SeniorNotes



Period End2020-03-31
Value750
Percentage of LongTermDebtCurrent28.4
Percentage of Assets1.8
Percentage of Assets srt:ParentCompany amt:TwoPointEightZeroPercentSeniorNotesMember us-gaap:SeniorNotes0.0

srt:Subsidiaries, amt:Series20151ClassA, us-gaap:SecuredDebt



Period End2020-03-31
Value350
Percentage of LongTermDebtCurrent13.3
Percentage of Assets0.9
Percentage of Assets srt:Subsidiaries amt:Series20151ClassA us-gaap:SecuredDebt0.0

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value120148136144130130122137118142119102109118105120949699827290111132115171909186898720122621467
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.40.30.40.40.40.30.40.40.30.30.40.30.40.30.40.40.30.30.40.50.60.60.80.50.60.60.60.71.61.81.80.6

Accounts Payable And Accrued Liabilities Current

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value314347295301337360380349349370283368335282318318259303241219224219223214212229184154171188202
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.80.91.11.21.11.01.10.91.11.00.91.01.01.01.10.90.80.91.01.11.01.01.11.01.11.21.31.7

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value725534152357413515452071127011
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.10.00.10.20.00.00.10.00.10.10.00.00.00.20.0

Dividends Payable Current

us-gaap:DividendsPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value483455427413403377354344335304286277267250236227218210196187179159147139127011010710309186820
Percentage of DividendsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.21.11.11.11.01.11.11.01.00.90.90.90.80.80.80.70.80.80.70.70.70.70.70.70.60.00.60.70.70.00.70.70.70.0

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value876958856835863948863782825854774727742620571617437516743412392417436422400415331293263286334325336304222
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.12.22.22.12.22.92.62.42.42.62.42.32.32.01.92.01.61.92.81.61.52.02.12.02.02.01.82.01.82.02.62.62.72.52.1

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4764944754964980
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.00.0
Percentage of Assets1.21.21.21.31.30.0

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value408294302334293304268
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.70.80.90.80.90.8

Long Term Debt

Long Term Debt Noncurrent

Deferred Finance Costs Noncurrent Net

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value219372112719040186151910718405184221832218568194301858117509171821829418436184031688417068169811618514930137111297312749140091440812578879887918693735973377161713449704919538755124141
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets53.849.448.447.649.155.855.755.254.058.557.554.553.659.260.159.962.463.463.161.157.664.363.061.268.671.169.261.460.861.756.857.756.758.345.644.850.153.248.6

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4304355545655535635785756075865915625322126666666166627999-913055821011091111291281071228437933
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.01.41.41.41.71.71.71.81.81.81.71.70.70.20.20.20.20.20.20.30.5-0.00.00.10.30.50.70.80.81.01.00.91.00.80.30.10.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value901937870868864126512881246124612441190117111861142106810581093106510791049104310289338898938227056886956436675995825628057391035808669
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.22.22.22.22.23.83.93.83.63.73.73.63.73.73.53.44.04.04.04.04.04.84.54.34.44.13.94.84.84.65.24.74.64.67.46.79.67.87.9

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value613765106448633563160
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.00.0
Percentage of Assets15.015.216.416.216.20.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value363450555240547753475336535055506334624165186482685267636707677369336651661773107351395341944406367135343528351836713573355633573478328732633561349935013315
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.911.813.314.013.716.216.216.718.418.820.220.221.421.921.922.025.624.724.627.628.418.520.421.118.017.419.424.525.425.427.426.427.526.930.032.532.533.838.9

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value40645490579560435900589959286126694168287109704573846976677468407000671266847373743140534185440837013590361136193781368436853486358634103347359935093504345334303457331829943025
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.012.814.715.515.217.917.918.520.220.622.021.923.022.622.122.325.925.024.827.928.719.020.321.118.117.719.925.226.126.128.427.428.427.930.732.832.633.80.00.00.038.90.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-4271-2823-2979-2606-2672-2642-2696-2510-1834-1978-1839-1848-1759-1999-1876-1770-1610-1836-1832-1228-1205-794-504-250-272-311-298-274-158-183-164-203-97-142-8762543824-928-12-20-3
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-105.1-51.4-51.4-43.1-45.3-44.8-45.5-41.0-26.4-29.0-25.9-26.2-23.8-28.7-27.7-25.9-23.0-27.4-27.4-16.7-16.2-19.6-12.1-5.7-7.4-8.7-8.3-7.6-4.2-5.0-4.5-5.8-2.7-4.2-2.61.71.61.10.7-0.30.8-0.4-0.7-0.1
Percentage of Assets-10.5-6.6-7.6-6.7-6.9-8.0-8.2-7.6-5.3-6.0-5.7-5.8-5.5-6.5-6.1-5.8-6.0-6.8-6.8-4.6-4.7-3.7-2.4-1.2-1.3-1.5-1.6-1.9-1.1-1.3-1.3-1.6-0.8-1.2-0.80.60.50.40.00.00.0-0.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1025510117105511049210447103801031010251102241024710212101651009410043981797819714969096509619958357885757577251535130509750615029501249714946491749038665863085898577854885038447839381097772
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest252.3184.3182.1173.6177.1176.0173.9167.3147.3150.1143.6144.3136.7144.0144.9143.0138.8144.4144.4130.5129.0142.8137.6130.9139.2142.9141.1139.8133.0136.0134.9141.9137.1143.8258.9239.8244.8244.7247.5247.9244.3253.0270.8256.9
Percentage of Assets25.123.626.826.926.831.431.230.929.730.931.631.631.532.532.031.835.936.035.836.337.027.128.027.725.225.328.035.334.835.638.438.938.940.179.578.679.882.70.00.00.098.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value44444444444444444444433333333333334444444444
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value4304355545655535635785756075865915625322126666666166627999-91305582101109111129128107122843793332333
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest10.67.99.69.49.49.69.79.48.78.68.38.07.23.01.01.01.00.91.00.81.12.5-0.20.00.81.62.32.82.93.03.53.73.03.62.51.10.30.10.10.10.10.10.10.1
Percentage of Assets1.11.01.41.41.41.71.71.71.81.81.81.71.70.70.20.20.20.20.20.20.30.5-0.00.00.10.30.50.70.80.81.01.00.91.00.80.30.10.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-1082-1016-1130-1206-1226-1199-1104-1121-1085-1058-975-989-1053-1076-1030-1033-967-998-995-876-822-837-854-911-1006-1081-1066-1135-1128-1196-1237-1378-1339-1477-1545-1529-1644-1736-1820-1913-2013-2109-2356-2703
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-26.6-18.5-19.5-20.0-20.8-20.3-18.6-18.3-15.6-15.5-13.7-14.0-14.3-15.4-15.2-15.1-13.8-14.9-14.9-11.9-11.1-20.7-20.4-20.7-27.2-30.1-29.5-31.4-29.8-32.5-33.6-39.5-37.4-43.3-46.2-42.5-46.9-49.6-52.7-55.8-58.2-63.6-78.7-89.4
Percentage of Assets-2.7-2.4-2.9-3.1-3.2-3.6-3.3-3.4-3.2-3.2-3.0-3.1-3.3-3.5-3.4-3.4-3.6-3.7-3.7-3.3-3.2-3.9-4.1-4.4-4.9-5.3-5.9-7.9-7.8-8.5-9.5-10.8-10.6-12.1-14.2-13.9-15.3-16.70.00.00.0-24.80.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-1271-1226-1206-1206-1206-1206-1163-1074-974-974-884-849-432-207-207-207-207-207-207-207-207-207-207-207-207-207-207-137-75-62-16-10-40-3775-3606-3504-3381-3307-3157-3012-2961-2746-2047
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-31.3-22.3-20.8-20.0-20.5-20.5-19.6-17.5-14.0-14.3-12.4-12.1-5.9-3.0-3.1-3.0-3.0-3.1-3.1-2.8-2.8-5.1-5.0-4.7-5.6-5.8-5.8-3.8-2.0-1.7-0.5-0.3-0.10.0-112.8-100.2-99.9-96.5-95.8-92.1-87.1-89.2-91.7-67.7
Percentage of Assets-3.1-2.9-3.1-3.1-3.1-3.7-3.5-3.2-2.8-2.9-2.7-2.6-1.3-0.7-0.7-0.7-0.8-0.8-0.8-0.8-0.8-1.0-1.0-1.0-1.0-1.0-1.1-1.0-0.5-0.4-0.1-0.1-0.00.0-34.6-32.9-32.6-32.60.00.00.0-34.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value444444444444444444444333333333333344444
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 Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10255101171055110492104471038010310102511022410247102121016510094100439817978197149690965096199583578857575772515351305097506150295012497149464917490386658630858985778393
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.123.626.826.926.831.431.230.929.730.931.631.631.532.532.031.835.936.035.836.337.027.128.027.725.225.328.035.334.835.638.438.938.940.179.578.679.882.798.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-1082-1016-1130-1206-1226-1199-1104-1121-1085-1058-975-989-1053-1076-1030-1033-967-998-995-876-822-837-854-911-1006-1081-1066-1135-1128-1196-1237-1378-1339-1477-1545-1529-1644-1736-2109
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.7-2.4-2.9-3.1-3.2-3.6-3.3-3.4-3.2-3.2-3.0-3.1-3.3-3.5-3.4-3.4-3.6-3.7-3.7-3.3-3.2-3.9-4.1-4.4-4.9-5.3-5.9-7.9-7.8-8.5-9.5-10.8-10.6-12.1-14.2-13.9-15.3-16.7-24.8

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-4271-2823-2979-2606-2672-2642-2696-2510-1834-1978-1839-1848-1759-1999-1876-1770-1610-1836-1832-1228-1205-794-504-250-272-311-298-274-158-183-164-203-97-142-87625438-12
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-10.5-6.6-7.6-6.7-6.9-8.0-8.2-7.6-5.3-6.0-5.7-5.8-5.5-6.5-6.1-5.8-6.0-6.8-6.8-4.6-4.7-3.7-2.4-1.2-1.3-1.5-1.6-1.9-1.1-1.3-1.3-1.6-0.8-1.2-0.80.60.50.4-0.1

Treasury Stock Value

us-gaap:TreasuryStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12711226120612061206120611631074974974884849432207207207207207207207207207207207207207207137756216104037753606350433812961
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0
Percentage of Assets3.12.93.13.13.13.73.53.22.82.92.72.61.30.70.70.70.80.80.80.80.81.01.01.01.01.01.11.00.50.40.10.10.00.034.632.932.632.634.8

Minority Interest

us-gaap:MinorityInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4304355545655535635785756075865915625322126666666166627999-913055821011091111291281071228437933
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.01.41.41.41.71.71.71.81.81.81.71.70.70.20.20.20.20.20.20.30.5-0.00.00.10.30.50.70.80.81.01.00.91.00.80.30.10.00.0

Stock Issued During Period Value New Issues

Minority Interest Decrease From Distributions To Noncontrolling Interest Holders

us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value11300014000130000000000000000000000000
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value11300014000130000000000000000000000000
Percentage of MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value80099393710367851263753940791789663794678563509394297353360402315290283258253
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.151.748.054.943.359.342.252.845.546.339.547.842.043.747.349.138.849.651.757.748.446.150.450.355.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-253400000.0-2586700000.0-810100000.0-267400000.0-323300000.0-694400000.0-212100000.0-562400000.0-1280600000.0-1290400000.0-296000000.0-294200000.0-920300000.0-316098000.0-242801000.0-1357885000.0-185516000.0-1124837000.0-830021000.0-5249419000.0-376628000.0-1384119000.0-407357000.0-475613000.0-291296000.0-1231181000.0-502344000.0-674530000.0-572250000.0-150680000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-12.7-134.5-41.5-14.2-17.8-32.6-11.9-31.6-73.5-75.7-17.6-17.7-56.9-20.5-16.0-94.2-14.4-90.9-70.7-486.4-46.9-180.1-57.1-68.2-41.8-188.5-79.7-119.9-111.5-33.2

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-606169672-597-650-573-222-628817500-323-448157-3664760341058-5814227108161-1373742
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-30.488.23.7-31.6-35.9-26.9-12.5-35.346.929.4-19.2-27.09.8-28.4441.14.3137.7-8.220.53.9165.69.8-24.473.00.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value80099393710367851263753940791789663794678563509394297353360402315290283258253
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.151.748.054.943.359.342.252.845.546.339.547.842.043.747.349.138.849.651.757.748.446.150.450.355.8

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value415562498429397277366306285238317367316229264187275232102156193180207234202991809917113523248221205-15115918393999664675658
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues20.829.325.522.721.913.020.517.216.414.018.922.119.614.917.513.021.318.28.313.317.917.220.022.720.610.622.312.321.417.732.56.931.831.4-2.519.316.315.218.221.221.214.415.213.314.3

Profit Loss

us-gaap:ProfitLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value41856950543440729237731428019433438830723226319228122197157195181206221193731638416011823133210196-191139183939996
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues21.029.625.923.022.513.721.117.716.111.419.923.419.015.117.413.321.817.37.913.418.117.419.921.519.67.820.210.420.115.432.54.830.230.1-3.118.916.315.318.221.221.2

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value472323214226432442222425361920212818182429181818241517211213131311121112131313
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



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
Value1254210102668566522201000
Percentage of ShareBasedCompensation27.024.719.612.825.239.760.725.820.625.426.623.315.214.711.411.02.85.54.42.50.3

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value4742
Percentage of ShareBasedCompensation100.0100.0

us-gaap:IncomeStatementLocation

us-gaap:OperatingExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value00000010100000000000
Percentage of ShareBasedCompensation1.93.02.62.72.12.32.32.82.32.32.93.12.52.53.02.72.52.72.72.1

us-gaap:SellingGeneralAndAdministrativeExpenses



Period End2020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4641214125422441
Percentage of ShareBasedCompensation98.1177.097.397.997.797.797.297.7

us-gaap:Service



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000000000
Percentage of ShareBasedCompensation0.61.30.90.90.70.80.50.80.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-253400000.0-2586700000.0-810100000.0-267400000.0-323300000.0-694400000.0-212100000.0-562400000.0-1280600000.0-1290400000.0-296000000.0-294200000.0-920300000.0-316098000.0-242801000.0-1357885000.0-185516000.0-1124837000.0-830021000.0-5249419000.0-376628000.0-1384119000.0-407357000.0-475613000.0-291296000.0-1231181000.0-502344000.0-674530000.0-572250000.0-150680000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-12.7-134.5-41.5-14.2-17.8-32.6-11.9-31.6-73.5-75.7-17.6-17.7-56.9-20.5-16.0-94.2-14.4-90.9-70.7-486.4-46.9-180.1-57.1-68.2-41.8-188.5-79.7-119.9-111.5-33.2

Payments To Acquire Property Plant And Equipment

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-606169672-597-650-573-222-628817500-323-448157-3664760341058-5814227108161-1373742
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-30.488.23.7-31.6-35.9-26.9-12.5-35.346.929.4-19.2-27.09.8-28.4441.14.3137.7-8.220.53.9165.69.8-24.473.00.6

Proceeds From Issuance Of Long Term Debt

Repayments Of Long Term Debt

us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLongTermDebt

srt:Subsidiaries, amt:OtherSubsidiaryDebt, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent



Period End2020-04-29
Value24
Percentage of RepaymentsOfLongTermDebt100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Subsidiaries amt:OtherSubsidiaryDebt us-gaap:UnsecuredDebt us-gaap:SubsequentEvent0.0

Payments Of Dividends

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-31
Value45442040739837734833933130428327426425023422521620919418617715214213412600
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommonStock, us-gaap:SubsequentEvent



Period End2020-04-292019-10-032019-07-122019-04-262018-10-172018-04-272017-10-172017-07-14
Value478420407397348331283274
Percentage of PaymentsOfDividendsCommonStock0.00.00.00.00.00.00.00.0

Payments Of Dividends

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value39190005182980962849414700000000122966204615912714958
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLongTermDebt

srt:Subsidiaries, amt:OtherSubsidiaryDebt, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent



Period End2020-04-29
Value24
Percentage of RepaymentsOfLongTermDebt100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations srt:Subsidiaries amt:OtherSubsidiaryDebt us-gaap:UnsecuredDebt us-gaap:SubsequentEvent0.0

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 End2020-03-312019-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312010-12-31
Value2377666756667
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

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

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:PerformanceShares



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
Value93332.0128254.00.00.0114823.0169340.00.00.0131311.023377.00.00.0177897.016661.00.00.0192719.09998.00.00.023379.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU



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
Value432104.09116.00.02839.0539905.00.010804.04367.0671618.011935.09993.019527.0799012.09439.07318.01814.0765607.023039.00.010084.0682256.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod463.07.10.00.0470.20.00.00.0511.551.10.00.0449.156.70.00.0397.3230.40.00.02918.2

Deferred Tax Liabilities

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value696873577214711070800
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.00.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value14001578144812861099130412939701278954954913858936462473
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

amt:AssetAcquisition

amt:AssetAcquisitionConsiderationTransferred

amt:Acquisitions2020



Period End2020-03-31
Value50
Percentage of AssetAcquisitionConsiderationTransferred100.0

amt:EntelAcquisition



Period End2020-03-312019-12-312019-12-26
Value39800672
Percentage of AssetAcquisitionConsiderationTransferred78.00.00.0

us-gaap:PropertyPlantAndEquipmentByType, amt:AssetAcquisition

amt:CommunicationSites, amt:OtherAcquisitions2020



Period End2020-03-31
Value11
Percentage of AssetAcquisitionConsiderationTransferred22.0

amt:ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest



Period End2020-03-312019-03-31
Value-34000000.0-0.0
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest100.00.0

amt:ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value14230052000
Percentage of ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest100.0100.00.00.0100.00.00.00.0

amt:IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability



Period End2020-03-312019-03-31
Value-1000000.0-20200000.0
Percentage of IncreaseDecreaseInRightOfUseAssetAndOperatingLeaseLiability100.0100.0

amt:NonCashOperatingAndFinancingLeaseModifications



Period End2020-03-312019-03-31
Value9630
Percentage of NonCashOperatingAndFinancingLeaseModifications100.0100.0

amt:OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-1311166-39272350-192-71579-13224-59242-138-106
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



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-1305158-372652353-186-67664-1399-89240
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital99.695.195.089.8770.0106.096.794.681.1105.039.3150.898.9

us-gaap:NoncontrollingInterest



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-58-197-20-3-6-3815615302
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionandTranslationAdjustmentNetofTaxLessAmountReclassifiedtoAdditionalPaidinCapital0.44.95.010.2-670.0-6.03.35.418.9-5.160.5-50.91.1

amt:PaidDividendRSU



Period End2020-03-312019-03-31
Value76
Percentage of PaidDividendRSU100.0100.0

us-gaap:Ownership

amt:PaymentsForRepurchaseOfRedeemableNoncontrollingInterestInterest

amt:GhanaAndUgandaSubsidiaries



Period End2020-03-31
Value1
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterestInterest100.0

us-gaap:Range, us-gaap:AwardType

amt:Percentageofpotentialtargetshares

srt:Maximum, us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.00.00.00.02.00.0
Percentage of Percentageofpotentialtargetshares100.00.00.00.0100.00.0

amt:ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value559113254155202810844233811130220708729811142001387151651911444933
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesAndOtherProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName

amt:SuccessiveTermsToRenewLease

amt:AtTTransaction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.00.00.00.04.00.00.00.04.00.00.00.04.00.00.00.04.00.00.0
Percentage of SuccessiveTermsToRenewLease100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0

amt:TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value15-435617-211429
Percentage of TransfersToAccountsPayableAndAccruedExpensesCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock



Period End2020-03-312019-03-312018-03-31
Value00-28
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock0.00.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-03-312018-03-31
Value14252-78
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock0.00.0280.4

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-03-312018-03-31
Value-142-5250
Percentage of AdjustmentsToAdditionalPaidInCapitalIncreaseInCarryingAmountOfRedeemablePreferredStock0.00.0-180.4

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value217201197199192529207205202206203192183178183185151155154147110104103101102576160465551
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value000000000000000000000
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.0100.0100.0100.0100.0100.00.00.0100.00.00.0100.00.00.0100.00.0100.00.0100.00.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.941.17999999999999971.120.970.90.60999999999999990.830.690.63-0.24000000000000020.690.810.68-0.229999999999999980.560.390.570.49000000000000010.180.310.340.349999999999999870.50.580.350.370.19
Percentage of BusinessAcquisitionProFormaEarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value0.931.16999999999999951.120.960.890.60999999999999990.830.690.63-0.24000000000000020.690.80.67-0.229999999999999980.550.380.560.49000000000000010.180.30.340.339999999999999860.50.580.350.370.19
Percentage of BusinessAcquisitionProFormaEarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value414523497429397270366306275-108298344289-992381642392087612914513619923014714774
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-30
Value1993222819571890181421931786180617801265168116631624138815171489151012851243118211701123103810331115938941
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-10-012018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value715532710413425815028538449831353
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationIntegrationRelatedCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value6212419400234113355412532
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalLeaseObligationsIncurred



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-30
Value1328181816181216921111011181511916964129864764112200
Percentage of CapitalLeaseObligationsIncurred100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-177129162186-20511323-30832404155-78
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStock



Period End2020-03-122019-12-112019-09-132019-05-222019-03-072018-12-052018-12-042018-09-062018-05-242018-03-082017-12-072017-12-062017-09-112017-06-012017-03-092016-12-142016-09-162016-06-022016-03-092015-12-03
Value1.081.010.950.920.90.840.840.790.770.750.70.70.660.640.620.580.550.530.510.49
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAmortizationAndAccretionNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value472449442448436765448449446466432396421388397397341352341328263263249245245184184185178144172149143142138131115110110
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value472436
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0

us-gaap:DirectCostsOfLeasedAndRentedPropertyOrEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value544543548549533531543547507517511507486482485452342345356314259269272263250195198191180177165163157160144127115105100
Percentage of DirectCostsOfLeasedAndRentedPropertyOrEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value48044942240839937234934233230228427526624823522621720819518617815114313512710283
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value48044942240839937234934233230228427526624823522621720819518617815114313512710283
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-11826-3714-16164-57-4
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value000000000000000000000000000000000
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExtinguishmentOfDebtGainLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-31
Value-3400-220-30000-140-55000000-75-3-42-1035
Percentage of ExtinguishmentOfDebtGainLossNetOfTax100.00.00.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossUnrealized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-65-7-1520102-4023-3-5727-8-2429-23-2-30-14222-2146-11455-29-145271608
Percentage of ForeignCurrencyTransactionGainLossUnrealized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-22927-7616629-57-165814-78334-5
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

amt:PropertyAfrica



Period End2020-03-31
Value-35
Percentage of GoodwillForeignCurrencyTranslationGainLoss15.4

amt:PropertyAsia



Period End2020-03-31
Value-57
Percentage of GoodwillForeignCurrencyTranslationGainLoss25.0

amt:PropertyEurope



Period End2020-03-31
Value-4
Percentage of GoodwillForeignCurrencyTranslationGainLoss1.8

amt:PropertyLatinAmerica



Period End2020-03-31
Value-132
Percentage of GoodwillForeignCurrencyTranslationGainLoss57.8

amt:PropertyUS



Period End2020-03-31
Value0
Percentage of GoodwillForeignCurrencyTranslationGainLoss-0.0

us-gaap:GoodwillPurchaseAccountingAdjustments



Period End2020-03-312018-09-30
Value0-5
Percentage of GoodwillPurchaseAccountingAdjustments100.0100.0

us-gaap:BusinessAcquisition

amt:EatonTowersHoldingLimited



Period End2020-03-31
Value0
Percentage of GoodwillPurchaseAccountingAdjustments100.0

us-gaap:StatementBusinessSegments

amt:PropertyAfrica



Period End2020-03-31
Value0
Percentage of GoodwillPurchaseAccountingAdjustments100.0

amt:PropertyAsia



Period End2020-03-31
Value0
Percentage of GoodwillPurchaseAccountingAdjustments-0.0

amt:PropertyEurope



Period End2020-03-31
Value0
Percentage of GoodwillPurchaseAccountingAdjustments-0.0

amt:PropertyLatinAmerica



Period End2020-03-31
Value0
Percentage of GoodwillPurchaseAccountingAdjustments-0.0

amt:PropertyUS



Period End2020-03-31
Value0
Percentage of GoodwillPurchaseAccountingAdjustments-0.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302015-06-302015-03-312014-06-302014-03-31
Value31413181330000
Percentage of ImpairmentOfLongLivedAssetsHeldForUse100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:IncreaseDecreaseInOperatingAssets



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value21032193374-26951636140-24230796214-144376921-55311313
Percentage of IncreaseDecreaseInOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOperatingLiabilities



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value11-257-112-1722251286-21-80107-561852-4910678010104354428-838
Percentage of IncreaseDecreaseInOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value262128202170249148258153228
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNonoperating



Period End2020-03-312019-03-31
Value1012
Percentage of InvestmentIncomeNonoperating100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2013



Period End2020-03-31
Value0.0011
Percentage of LineOfCreditFacilityCommitmentFeePercentage100.0

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2019



Period End2020-03-31
Value0.0011
Percentage of LineOfCreditFacilityCommitmentFeePercentage100.0

us-gaap:MinorityInterestChangeInRedemptionValue



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-6-33-2-3358-415170000
Percentage of MinorityInterestChangeInRedemptionValue100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest



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
Value7-33-2-3345-62028-21-3-2112
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-30
Value41756950543440728037531929024033136731922026622197
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest



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
Value2665102812511403-8
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest0.51.21.31.22.50.92.43.92.00.84.30.11.2-3.9

us-gaap:RetainedEarnings



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
Value415562498429397277366306285238317367316229
Percentage of NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest99.598.898.798.897.599.197.696.198.099.295.799.998.8103.9

us-gaap:NotesReduction



Period End2020-03-312019-03-31
Value50
Percentage of NotesReduction100.00.0

us-gaap:NumberOfReportableSegments



Period End2020-03-312019-12-312019-09-302016-09-302016-06-302016-03-312015-12-31
Value6.06.05.00.00.05.02.0
Percentage of NumberOfReportableSegments100.0100.0100.00.00.0100.0100.0

us-gaap:OperatingLeaseCost



Period End2020-03-312019-09-302019-06-302019-03-31
Value250249255255
Percentage of OperatingLeaseCost100.0100.0100.0100.0

us-gaap:OperatingLeaseLeaseIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value187517991816184817862005166317491710
Percentage of OperatingLeaseLeaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementGeographical

country:US



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value103110291029927910895
Percentage of OperatingLeaseLeaseIncome55.057.256.751.945.453.8

srt:Africa



Period End2020-03-312019-03-31
Value222143
Percentage of OperatingLeaseLeaseIncome11.98.0

srt:Asia



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value284292310286634321
Percentage of OperatingLeaseLeaseIncome15.216.317.116.031.619.3

srt:LatinAmerica



Period End2020-03-312019-12-312019-09-302019-03-312018-12-312018-09-30
Value303295297298280280
Percentage of OperatingLeaseLeaseIncome16.216.416.416.714.016.9

us-gaap:EMEA



Period End2020-03-312019-09-302019-03-312018-09-30
Value3317932166
Percentage of OperatingLeaseLeaseIncome1.89.91.810.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-03-31
Value252234
Percentage of OperatingLeasePayments100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.00.00.00.0-100000.0-100000.00.00.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax0.00.00.00.0100.0100.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.00.00.00.0-100000.0-100000.00.00.00.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax0.00.00.00.0100.0100.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.00.0-100000.00.0-100000.0-100000.00.0-100000.0-100000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax0.00.0100.00.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-31
Value0000101-51-32-13-1-124-50120-12-22701-2-713150
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax0.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value14823428202433467167211191863514138251517730111213155142775212214911454
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:OtherExpenses

us-gaap:MaterialReconcilingItems



Period End2020-03-312019-03-31
Value311193
Percentage of OtherExpenses100.0100.0

us-gaap:OtherNoncashIncomeExpense



Period End2020-03-312019-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value-81-28-67-9-66-25-43-5-7-28
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-453604218814-31514-2115-4-21260-111-432591011001-1211-3120
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value52400042500
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest100.00.00.00.0100.00.00.0

us-gaap:Ownership

amt:GhanaAndUgandaSubsidiaries



Period End2020-03-31
Value524
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest100.0

us-gaap:PaymentsOfDebtExtinguishmentCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-03-31
Value33002103000013061000000406029
Percentage of PaymentsOfDebtExtinguishmentCosts100.00.00.0100.00.0100.00.00.00.0100.0100.00.0100.0100.00.0100.00.0100.00.0100.00.0100.00.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value4922725534391443101663673105099797771069312150344945649206859252622451175289373159110032861745188
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireProductiveAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value214314260243220334185226198280183203168226155165154210206151159251257252213123191150105121125160979555
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireShortTermInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value0009426182119474478000000001119573382934128181151142113218810226121512
Percentage of PaymentsToAcquireShortTermInvestments0.00.00.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIncomeTaxRefunds



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-03-31
Value01350011940241232103112010500-12
Percentage of ProceedsFromIncomeTaxRefunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value14961347022881241005840139401279009989901247001492006460769983000698499000
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt100.0100.00.0100.0100.00.00.0100.00.0100.00.0100.00.00.0100.0100.0100.00.00.0100.00.00.0100.00.0100.0100.00.00.00.0100.0100.00.00.00.0

us-gaap:ProceedsFromIssuanceOfUnsecuredDebt



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312012-12-312011-12-31
Value750000130000015000000000000050000
Percentage of ProceedsFromIssuanceOfUnsecuredDebt100.00.00.00.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value11123629274413202014234536151645142111125141716136121115152420103247
Percentage of ProceedsFromIssuanceOrSaleOfEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-30
Value2642242071092017003502509151748169211585111997917202129531398987159031501402425360024912570013257251801000382
Percentage of ProceedsFromLinesOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.00.0100.0

us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility



Period End2020-03-31
Value875
Percentage of ProceedsFromLinesOfCredit33.1

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2019



Period End2020-03-31
Value1700
Percentage of ProceedsFromLinesOfCredit64.3

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-88-21-9-28-76-97-12-42-110-6-213-62-2503-11-22-2-9-1-21-1000-3-9-94495-50
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-1320-1300-130000265239000240035007424335387-66
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:RepaymentsOfLinesOfCredit

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility



Period End2020-03-31
Value700
Percentage of RepaymentsOfLinesOfCredit100.0

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2019



Period End2020-03-31
Value1900
Percentage of RepaymentsOfLinesOfCredit271.4

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value43511552259338740255557116722584218811691493163397712581469138830016134402490974108992291629373263320181887912658260
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability



Period End2020-03-312019-03-31
Value5062
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0

us-gaap:CounterpartyName, us-gaap:StatementScenario

us-gaap:SaleOfStockPercentageOfOwnershipAfterTransaction

amt:TataTeleservicesLimited, srt:ScenarioForecast



Period End2020-03-31
Value0.92
Percentage of SaleOfStockPercentageOfOwnershipAfterTransaction100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:RestrictedStockUnitsRSU



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
Value11730.015029.010767.036490.013599.030527.028620.026020.012063.017896.020311.031815.010853.036322.030408.032480.021573.019502.023051.048601.022094.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:PerformanceShares



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
Value205434.00.00.046500.0292180.00.00.00.0120171.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod100.00.00.0100.0100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU



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
Value592390.010265.012507.040981.0607845.014825.03955.019509.0644022.027813.08793.015854.0628150.014835.06684.012015.0623111.015144.017159.020399.0651253.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod288.40.00.088.1208.00.00.00.0535.90.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value00000000000010000000000000000100011
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-430593914655839273047665031366224373032162835332217382426134135124547
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value-430593914655839273047665031366224373032162835332217382426134135124547
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9100.0100.099.9100.0100.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value00000000000000000000000000000000000
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-0.00.00.00.00.00.00.00.00.0-0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.10.00.0

us-gaap:StraightLineRent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-06-302013-03-31
Value56838855631363883436357916181685222125561924212626
Percentage of StraightLineRent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TemporaryEquityForeignCurrencyTranslationAdjustments



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-32-4-151937-56-51-2224-12451
Percentage of TemporaryEquityForeignCurrencyTranslationAdjustments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired



Period End2020-03-312019-09-302013-02-212012-04-242012-03-312011-02-11
Value0000030
Percentage of TreasuryStockSharesAcquired100.00.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302013-04-192013-03-312012-12-312012-10-182012-09-302012-07-202012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value0000000000000003231
Percentage of TreasuryStockSharesAcquired99.80.00.00.00.00.00.00.00.00.00.00.00.0100.00.00.00.00.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod



Period End2020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312013-03-312013-02-212012-12-312012-09-302012-06-302012-04-242012-03-312011-12-312011-09-302011-03-312011-02-112010-09-302010-03-31
Value4543891008935416224121455514301681225814951
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PlanName

amt:A2017Buyback



Period End2020-03-312018-12-312018-09-30
Value4500
Percentage of TreasuryStockValueAcquiredCostMethod100.00.00.0

us-gaap:StatementEquityComponents

us-gaap:TreasuryStock



Period End2020-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312013-04-192013-03-312012-12-312012-10-182012-09-302012-07-202012-06-302012-03-312011-12-312011-09-302011-03-312010-09-302010-03-31
Value4543891008935416224161245151543016812214951
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value16211510111112123-2000-8111011-61115111
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeasePayment



Period End2020-03-312019-09-302019-06-302019-03-31
Value61677052
Percentage of VariableLeasePayment100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value2333323332443334433344444034223
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

amt:AccruedPassThroughCosts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value647474768071746852597968
Percentage of AccruedPassThroughCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:AccruedPropertyAndRealEstateTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value196198195189177169166160156154149161149138114108817574766561646557544644393646
Percentage of AccruedPropertyAndRealEstateTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:AccruedTreasuryStockPurchasesCurrent



Period End2020-03-312019-12-312018-09-302018-06-302017-12-312017-09-302016-12-31
Value5081070
Percentage of AccruedTreasuryStockPurchasesCurrent100.00.0100.0100.00.0100.00.0

us-gaap:CounterpartyName

amt:AggregatePurchaseOptionPriceForTowers

amt:AtTTransaction



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
Value960937955933911891892871851831816796778760748730713697691675
Percentage of AggregatePurchaseOptionPriceForTowers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass, amt:AssetAcquisition

amt:AssetAcquisitionFiniteLivedIntangibleAssetsNet

amt:AcquiredNetworkLocation, amt:Acquisitions2020



Period End2020-03-31
Value4
Percentage of AssetAcquisitionFiniteLivedIntangibleAssetsNet100.0

amt:AcquiredOtherIntangibleAssets, amt:Acquisitions2020



Period End2020-03-31
Value1
Percentage of AssetAcquisitionFiniteLivedIntangibleAssetsNet31.0

us-gaap:CustomerRelationships, amt:Acquisitions2020



Period End2020-03-31
Value14
Percentage of AssetAcquisitionFiniteLivedIntangibleAssetsNet335.7

amt:AssetAcquisition

amt:NumberOfSitesAcquired

amt:EntelAcquisition



Period End2020-03-312019-12-312019-12-262019-12-19
Value156.02400.02400.03200.0
Percentage of NumberOfSitesAcquired100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentByType, amt:AssetAcquisition

amt:CommunicationSites, amt:OtherAcquisitions2020



Period End2020-03-31
Value37.0
Percentage of NumberOfSitesAcquired23.7

us-gaap:PropertyPlantAndEquipmentByType, us-gaap:SubsequentEventType, amt:AssetAcquisition

amt:CommunicationSites, us-gaap:SubsequentEvent, amt:OrangeSA



Period End2020-04-01
Value113.0
Percentage of NumberOfSitesAcquired0.0

us-gaap:StatementGeographical, amt:AssetAcquisition

country:PE, amt:Acquisitions2020



Period End2020-03-31
Value7.0
Percentage of NumberOfSitesAcquired4.5

amt:PrepaidOperatingGroundLeases



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value101000016515015115014813314813613412913212412811210994887886748261616156615754
Percentage of PrepaidOperatingGroundLeases100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

amt:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization



Period End2020-03-312019-12-31
Value1145112084
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:AwardType

amt:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsVestedAndDeferred

us-gaap:PerformanceShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value77340.00.00.00.046500.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsVestedAndDeferred100.00.00.00.0100.00.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.019810.019810.019810.032596.032596.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsVestedAndDeferred0.00.00.00.070.10.0

srt:PayablesToCustomers



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value6777658093
Percentage of PayablesToCustomers100.0100.0100.0100.0100.0

us-gaap:AccruedRentCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value72757571696161585754535050505250425454444034353431282323232424
Percentage of AccruedRentCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value1321138412521252122712101196118512151175105410261011965965951888856811824792609566556538526461451455435397379368346400405341247
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CounterpartyName

us-gaap:CapitalLeasedAssetsNumberOfUnits

amt:AtTTransaction



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value2200.02200.02270.02270.02270.02280.02350.02350.02350.02350.02350.02370.02370.02370.02370.02400.02400.0
Percentage of CapitalLeasedAssetsNumberOfUnits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConstructionPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value1927303228412719213138293328191614192230274666726552384120
Percentage of ConstructionPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2013



Period End2020-03-31
Value965
Percentage of DebtInstrumentCarryingAmount100.0

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2019



Period End2020-03-31
Value1415
Percentage of DebtInstrumentCarryingAmount146.6

us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:ParentCompany, amt:TermLoan2019, us-gaap:UnsecuredDebt



Period End2020-03-31
Value1000
Percentage of DebtInstrumentCarryingAmount103.6

srt:ParentCompany, amt:TermLoan2020, us-gaap:UnsecuredDebt



Period End2020-03-31
Value750
Percentage of DebtInstrumentCarryingAmount77.7

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:DebtInstrumentFaceAmount

amt:April2020TermLoan, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent



Period End2020-04-212020-04-03
Value11901140
Percentage of DebtInstrumentFaceAmount100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DebtInstrumentFairValue

us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value35319315248432422
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Range

us-gaap:DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible

srt:Maximum



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4753272228
Percentage of DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302015-12-31
Value126131143147132157173183192204221213206195229212
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilitiesNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value731768538546510535706752791898976950952777792745106
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRentReceivablesNetNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-312009-12-31
Value17811771167715971588158115471518151014991454140713521289126512331201116611231093105910301009983950918878842811776731687651609470365
Percentage of DeferredRentReceivablesNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value3491290
Percentage of DerivativeFairValueOfDerivativeAsset100.0100.0100.0100.00.0

us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:InterestRateSwap, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312014-09-302013-12-31
Value077102133555145292223252412
Percentage of DerivativeFairValueOfDerivativeLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312015-09-30
Value10101011111111121212121213131414
Percentage of EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value6410281666090766254826857527663523962504234574635335038292837
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value001234
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:PerformanceShares



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
Value1112151720810354122273235121416180111
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized11600.01771.41071.4765.2637.5191.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AwardType, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, amt:TwoThousandSevenPlan



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value189120137157179
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized189600.017200.09842.96826.15612.5

us-gaap:FinanceLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-30
Value25303027
Percentage of FinanceLeaseLiability100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value565356135400526150554866477546024490429941303915372535203358318630012832268325722429234722602193208219781877182417971735168316321586153014901464141713741238
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

amt:AcquiredLicensesAndOtherIntangibles



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7181918151413131087754431554432222212120202020202020201919
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.10.30.40.30.30.30.30.30.20.20.20.20.10.10.10.10.10.20.20.20.20.10.10.10.10.10.10.11.21.21.21.21.31.31.31.41.41.51.6

amt:AcquiredNetworkLocation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1938192018631824176217041669161415841525146814041358128012291175110910521000966924901880869827791767753738721704692671654641633615603551
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization34.334.234.534.734.935.035.035.135.335.535.635.936.536.436.636.937.037.137.337.638.038.439.039.639.740.040.941.341.141.641.842.442.342.743.043.243.443.944.5

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value37073674351734193278314730922963288327542641249123492224211519961879176316661588148814291362130712381170109310551022979944907881843273257239223173
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization65.665.565.165.064.864.764.864.464.264.164.063.663.163.263.062.762.662.362.161.861.360.960.359.659.559.258.257.856.956.456.155.655.655.118.317.616.916.314.0

us-gaap:FiniteLivedIntangibleAssetsGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value172541793116295161571609816040162571636016430160831571115644155521479414916147771281512670126081233311891916185708756862186024995497149994800422741484056383436553764381233122789
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsByMajorClass

amt:AcquiredLicensesAndOtherIntangibles



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value93106103107105104795460583936362828282628283336436666662626262525242121212121
Percentage of FiniteLivedIntangibleAssetsGross0.50.60.60.70.70.60.50.30.40.40.30.20.20.20.20.20.20.20.20.30.30.50.10.10.10.10.10.10.50.50.60.60.60.70.60.60.60.70.8

amt:AcquiredNetworkLocation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value496751504832479247804780484048744922485848604854484746224626458940193980395237513654251323892437236823651731173017531696164116691576149613881454147213011105
Percentage of FiniteLivedIntangibleAssetsGross28.828.729.729.729.729.829.829.830.030.230.931.031.231.231.031.131.431.431.330.430.727.427.927.827.527.534.734.835.135.338.840.238.939.038.038.638.639.339.6

us-gaap:CustomerRelationships



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value121931267411359112571121211156113371141711431111501079610737106521013010242101398747864086068524817465796147628362166201322832053188306525302425242523661463150015341209875
Percentage of FiniteLivedIntangibleAssetsGross70.770.769.769.769.769.669.769.869.669.368.768.668.568.568.768.668.368.268.369.168.771.871.771.872.172.164.664.563.863.959.958.559.861.740.039.940.236.531.4

us-gaap:InterestPayableCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value14820914515412617412117813116610315498157108151871158012077130911179010584898071747373656161614023
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2013



Period End2020-03-31
Value3
Percentage of LettersOfCreditOutstandingAmount100.0

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:CreditFacility2019



Period End2020-03-31
Value6
Percentage of LettersOfCreditOutstandingAmount160.5

us-gaap:ConsolidatedEntities, us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

srt:ParentCompany, us-gaap:RevolvingCreditFacility, amt:A2019MulticurrencyCreditFacility



Period End2020-03-31
Value3000
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0

us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

amt:TermLoan2020, us-gaap:UnsecuredDebt, us-gaap:SubsequentEvent



Period End2020-02-13
Value750
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value264029282443244220972754
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value245772405521483210582120421200
Percentage of LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtFairValue

us-gaap:FairValueInputsLevel1, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value1790017500161001600014000134001350013400130001330012000130001160011800123001130010100870097008600
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value71007500630058007500770077007600840073007800680077007000720082007500870053006100
Percentage of LongTermDebtFairValue39.742.939.136.253.657.557.056.764.654.965.052.366.459.358.572.674.3100.054.670.9

us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-31
Value2500025000224002180021500211002120021000214002060019800198001930018800195001950017600174001500014700
Percentage of LongTermDebtFairValue139.7142.9139.1136.2153.6157.5157.0156.7164.6154.9165.0152.3166.4159.3158.5172.6174.3200.0154.6170.9

us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

amt:ATCEurope



Period End2020-03-31
Value0.49
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

amt:ATCTIPL



Period End2020-03-312019-12-312018-12-31
Value0.210.210.37
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners42.90.00.0

amt:EureEtLoirRseauxMobilesSAS



Period End2020-03-31
Value0.49
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

amt:GhanaSubsidiary



Period End2020-03-31
Value0.49
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

amt:UgandaSubsidiary



Period End2020-03-31
Value0.49
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

amt:ATCEurope



Period End2020-03-31
Value0.51
Percentage of MinorityInterestOwnershipPercentageByParent100.0

amt:ATCTIPL



Period End2020-03-312019-12-312019-09-30
Value0.790.790.63
Percentage of MinorityInterestOwnershipPercentageByParent154.90.00.0

amt:EureEtLoirRseauxMobilesSAS



Period End2020-03-31
Value0.51
Percentage of MinorityInterestOwnershipPercentageByParent100.0

amt:GhanaAndUgandaSubsidiaries



Period End2020-03-312019-12-31
Value1.00.51
Percentage of MinorityInterestOwnershipPercentageByParent196.10.0

us-gaap:OperatingLeaseLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value66147004692368326814
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-12-31
Value0.0590.061
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherAssetsMiscellaneousCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value6057798198786040677156806354374666354034535948544440393066666159595953
Percentage of OtherAssetsMiscellaneousCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value5956668054404756423950513736545948324129332332263434342931191108513011372
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidTaxes



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value188185136127102125721031361361231301281271091514445343739345652
Percentage of PrepaidTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value54110965745905891004954100910651126114611551129109111000
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:RedeemableNoncontrollingInterestEquityCommonFairValue

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value541109657459058910041126
Percentage of RedeemableNoncontrollingInterestEquityCommonFairValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityOtherRedemptionValue



Period End2020-03-312019-12-312019-09-302019-06-302019-04-302019-03-312018-12-31
Value3283472940029400248002940029400
Percentage of RedeemableNoncontrollingInterestEquityOtherRedemptionValue100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value747695939496266135153152155143145149150142140142137135129160135158161152132974669433856425050797547
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares



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
Value0000000000000000000000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:RestrictedStockUnitsRSU



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value11111111111111111111111111111
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber307.7275.0367.0372.8350.8264.2372.5377.2386.3392.5422.3426.9433.6685.4754.3767.5786.44964.57137.27309.27561.20.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value01010101010109889098842222222222222211000009491898778
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:UnbilledReceivablesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value711421241191311261491521101071091317857595933343129262527373725273532
Percentage of UnbilledReceivablesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value28262221201927272829282827242425232019242424343432302929302832333431
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1441589396949394961021051071061061027428260303139373331313234303334363445505133
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:SharesOutstanding us-gaap:StatementEquityComponents


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical


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


us-gaap:Revenues us-gaap:StatementGeographical


us-gaap:Revenues us-gaap:ProductOrService


us-gaap:CostOfRevenue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:GrossProfit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:SellingGeneralAndAdministrativeExpense us-gaap:ConsolidationItems


us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


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


us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass


us-gaap:LongTermDebtCurrent us-gaap:ConsolidatedEntities, us-gaap:DebtInstrument, us-gaap:LongtermDebtType


us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents


us-gaap:ShareBasedCompensation us-gaap:IncomeStatementLocation