BAH


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementClassOfStock
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
us-gaap:StatementClassOfStock
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:IncomeStatementLocation

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt
us-gaap:LongtermDebtType

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ContractWithCustomerBasisOfPricing
us-gaap:ContractWithCustomerSalesChannel
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementGeographical
us-gaap:StatementGeographical

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:BusinessAcquisition
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

us-gaap:LongTermDebt

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementClassOfStock
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:AmortizationOfFinancingCosts

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:PaymentsOfDividends
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

bah:AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureRestrictedStockUnitsVesting
us-gaap:StatementEquityComponents

bah:BillableExpenses

bah:IncreaseDecreaseInOperatingLeaseLiabilities

bah:InterestExpenseDebtInterestSwap

bah:InterestIncomeExpenseOther

bah:NoncashFinancingActivities

bah:NoncashLeaseExpense

bah:PaymentOfPremiumsAndWriteOffOfDebtIssuanceCosts

bah:RepurchaseOfStockToSatisfyTaxWithholdingsRestrictedStockAmount
us-gaap:ContractWithCustomerBasisOfPricing
bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage
us-gaap:ContractWithCustomerSalesChannel
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:StatementGeographical
us-gaap:StatementGeographical

bah:ShareRepurchasesIncurredButNotYetPaid

us-gaap:AmortizationOfFinancingCostsAndDiscounts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType
bah:DividendType
us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:ConcentrationRiskByType
us-gaap:ConcentrationRiskPercentage1
us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount

us-gaap:DepreciationAndAmortization

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:GainLossOnDispositionOfAssets1
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsLiquidationProceeds
us-gaap:TaxPeriod
us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights
us-gaap:DebtInstrument
us-gaap:InterestPaid
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet

us-gaap:LeaseCost

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
us-gaap:AwardType, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromLinesOfCredit
us-gaap:DebtInstrument

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionAmountsOfTransaction

us-gaap:RepaymentsOfDebt

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShortTermLeaseCost
us-gaap:AwardType, us-gaap:PlanName
us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementClassOfStock
us-gaap:StatementEquityComponents
us-gaap:StatementClassOfStock
us-gaap:TreasuryStockSharesAcquired

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

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarningsDiluted
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

us-gaap:VariableLeaseCost

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment
us-gaap:BusinessAcquisition
bah:BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityCurrent
us-gaap:BusinessAcquisition
bah:BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityNoncurrent
us-gaap:BusinessAcquisition
bah:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset

bah:DeferredTaxAssetsNetOperatingLossCapitalLossCarryforwards

bah:DeferredTaxAssetsOperatingLeaseLiability

bah:DeferredTaxAssetsTaxCreditCarryforwardsDomestic

bah:DeferredTaxAssetsTaxCreditCarryforwardsState

bah:DeferredTaxLiabilitiesCurrentAccountsReceivableUnbilled

bah:DeferredTaxLiabilitiesInternallyDevelopedSoftware

bah:DeferredTaxLiabilitiesOperatingLeaseRightofUseAsset
us-gaap:IncomeTaxAuthority
bah:DeferredTaxLiabilityChangeInAccountingPolicy
us-gaap:BusinessAcquisition
bah:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

bah:FiniteLivedIntangibleAssetsNetExcludingAssetsNotYetPlacedinService
us-gaap:GuaranteeObligationsByNature
bah:GuarantorObligationsAvailableAmount
us-gaap:GuaranteeObligationsByNature
bah:GuarantorObligationsFacility

bah:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

bah:LiabilityForUncertaintyInIncomeTaxes

bah:LiabilityForUncertaintyInIncomeTaxesNoncurrentDeferredTaxes

bah:LiabilityForUncertaintyInIncomeTaxesNoncurrentResearchAndDevelopmentTaxCredits

bah:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue

bah:UnrecognizedCompensationCostNext12Months
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

bah:UnrecognizedCompensationCostYearFive
us-gaap:AwardType, us-gaap:PlanName

bah:UnrecognizedCompensationCostYearFour
us-gaap:AwardType, us-gaap:PlanName

bah:UnrecognizedCompensationCostYearThree
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

bah:UnrecognizedCompensationCostYearTwo
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

bah:UnrecognizedTaxBenefitsThatImpactDeferredTaxLiabilities

dei:EntityNumberOfEmployees

dei:EntityPublicFloat

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsReceivableNet

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedVacationCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:BilledContractReceivables
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetNoncurrent

us-gaap:ContractWithCustomerLiability

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateEffectivePercentage

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredCompensationPlanAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsGross
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod
us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:TitleOfIndividual, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:RetirementPlanName, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:BalanceSheetLocation
us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilitiesCurrent
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:FairValueByMeasurementFrequency

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialLiabilitiesFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisition
us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:GuaranteeObligationsByNature
us-gaap:GuaranteeObligationsCurrentCarryingValue

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivableNoncurrent
us-gaap:IncomeTaxAuthority

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
us-gaap:DebtInstrument
us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:DebtInstrument
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualAtCarryingValue

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:OtherAssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent

us-gaap:OtherLiabilitiesAndDeferredRevenueNoncurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent

us-gaap:PostemploymentBenefitsLiabilityNoncurrent

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligationPercentage
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramAuthorizedAmount1
us-gaap:SubsequentEventType

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:SubsequentEventType

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

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

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Other Nonoperating Income Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Property Plant And Equipment Net
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Taxes Payable Current
Noncurrent Liabilities
Other Liabilities Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
DividendsAndRepurchase
Dividends Cash
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:CommonStockValue █▇▆▆▆▅▄▄▄▃▃▂▂▁1.6351.6291.6221.6211.6181.6131.6061.6041.6021.5991.5931.5911.5881.58NANANA
 us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding us-gaap:StatementClassOfStock us-gaap:CommonClassA136.392343NA138.886119138.74764139.172454NA141.558427141.362136141.129301NA143.0569143.708909144.693573NA146.570617148.887497149.868273
 us-gaap:WeightedAverageNumberOfSharesOutstandingBasic us-gaap:StatementClassOfStock us-gaap:CommonClassA135.569968NA137.87982137.882906138.153464NA140.297795140.245038140.004627NA141.890875142.443058143.273387NA144.942367147.085314147.714993
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOption0.1NA0.0270.30.2NA0.20.20.1NA0.10.20.1NA0.40.40.2
us-gaap:EarningsPerShareBasic ▂█▅▅▄▅▃▃▄▂▄▂▃▂▁▁▁0.681.451.040.980.930.990.790.810.830.640.920.650.720.590.480.480.53
us-gaap:EarningsPerShareDiluted ▂█▅▅▄▅▃▃▄▂▄▂▃▂▁▁▁0.671.431.030.980.920.980.790.80.830.630.920.640.720.580.470.470.53
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
 TTM Greenblatt ROC _ _▃▅▆█▇▃▅▅▆▂▄▃▄▂▁▂▃141.257171.006184.257207.221191.887149.076169.045172.035179.046135.099161.932143.751161.612136.048118.087126.486139.464
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:AllocatedShareBasedCompensationExpense ▅█▆▆▄▇▄▃▂▂▃▂▁▂▁▂▁12.44418.87215.34114.79910.83316.49410.9889.3646.4448.0449.9667.156.1146.5215.2026.3465.249
us-gaap:ComprehensiveIncomeNetOfTax ▂█▅▄▄▃▃▃▃▂▄▂▃▂▁▁▁95.115209.358148.151139.767127.912119.022116.988109.327102.45596.313125.42694.175106.53187.20272.18871.1579.393
us-gaap:CostOfGoodsAndServicesSold █▆▆██▆▄▅▅▄▃▃▄▃▁▁▂962.719899.26866.771942.597948.902881.084813.5843.942840.654815.404750.68748.57785.812755.21678.574696.691735.793
us-gaap:CostsAndExpenses █▇▆▇▇█▆▅▅▅▃▃▃▃▁▂▁1847.8091808.2741719.7631811.9641764.5661820.5711680.3961647.5421646.131644.9811501.181470.2461485.2361500.2361381.8271415.5991354.106
us-gaap:GainsLossesOnExtinguishmentOfDebt ▇██▁-2.5150.00.0-13.2NA0.0NANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▇▇▅▄▄█▄▄▄▆▃▃▂▄▂▃▁301.8291.459254.82244.7245.855311.844245.719244.122234.28272.528222.673226.901205.836245.198209.856215.088188.455
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▃▆▇██▄▅▆▆▃▅▃▅▂▁▂▃119.454150.24165.983175.4170.816128.704146.723148.177155.83117.88140.269119.887137.367112.42298.013106.091121.478
us-gaap:IncomeTaxExpenseBenefit ▇▁▆██▄▇▇█▇▅▇▇▇▇▇█27.352-48.93721.61239.31941.487-10.16234.69733.85238.44428.3058.23227.17433.16327.53728.2435.17841.938
us-gaap:IncomeTaxesPaidNet ▂█▅▃▂▂▃█▂▁▂▆▃▃▄▆▃1.673107.33744.92321.3283.1232.6054.998106.389-4.238-24.9633.262.811.47513.63432.74765.01917.016
us-gaap:InterestExpense ▃▃▃▂▂▄▆█▇▄▄▄▅▄▃▃▁21.2720.3720.87819.78720.23521.67924.23125.86325.18722.1622.03622.24723.07421.9620.60420.95818.747
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType bah:TrancheALoans,us-gaap:SecuredDebt▁▁▁▁▂▆▇██▅▅▅▆▅▄▄▄5.2295.3195.5825.7226.91811.0911.95613.58413.4510.5210.33610.34510.84210.2069.1989.3948.777
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType bah:TrancheBLoans,us-gaap:SecuredDebt▁▁▁▁▂▅▆▇███▇▇▆▆▆▅1.8011.8071.8721.8942.2143.3683.7194.2324.424.4154.3184.1153.9173.8543.4933.5183.273
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType us-gaap:RevolvingCreditFacility▁▁▁▁█▂▁▁▁▁▁▁▂▁▁▃▁0.0250.00.00.00.7990.0920.00.00.00.0540.00.0020.0590.0290.0430.1990.0
 us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType us-gaap:SeniorNotes█▇▇▅▃▃▃▃▃▃▃▃▃▃▃▃▁7.5596.7056.7825.5054.4844.4854.4844.2984.4844.4854.4844.4854.4844.4844.4854.4843.289
us-gaap:InterestPaidNet ▁▆▁▃▅▄▇▅█▄▇▄▇▄▆6.71321.2187.45513.2519.03214.49824.66218.23926.72614.66423.92714.20223.93814.45422.242NANA
us-gaap:NetIncomeLoss ▂█▅▅▄▅▃▃▄▂▄▂▃▂▁▁▂92.102199.177144.371136.081129.329138.866112.026114.325117.38689.575132.03792.713104.20484.88569.77370.91379.54
us-gaap:OperatingIncomeLoss ▃▅▆█▇▃▅▅▆▂▄▃▄▂▁▂▃141.257171.006184.257207.221191.887149.076169.045172.035179.046135.099161.932143.751161.612136.048118.087126.486139.464
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax ▇█▇▇▆▁▇▅▃2.9947.6823.7583.664-1.439-24.7184.945-5.014-14.965NANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆█▇▆▅▁▇▄▂▇▄▆▆▆▆▆▆3.01310.1813.783.686-1.417-19.8444.962-4.998-14.9316.738-6.6111.4622.3272.3172.4150.237-0.147
us-gaap:OtherNonoperatingIncomeExpense ▆▆▇▁▆▇▇▇▇█▆▅▅▅▆▆▆-0.533-0.3962.604-12.034-0.8361.3071.9092.0051.9714.9410.373-1.617-1.171-1.6660.530.5630.761
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▇█▇▇▆▅▆▅▃▃▃▃▁▂▂1989.0661979.281904.022019.1851956.4531969.6471849.4411819.5771825.1761780.081663.1121613.9971646.8481631.0761470.7091542.8051523.01
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:Assets █▇▆▆▄▅▄▄▄▂▂▂▁▁▁▁▁5984.9425499.6015368.1845284.8984703.9894793.9664630.6274568.8584513.653831.8413797.9773735.3863632.0323603.3663539.2963529.6353575.525
us-gaap:Liabilities █▆▆▆▄▄▄▄▄▂▂▁▁▁▁▁▁4961.4094428.4254294.9194312.9413821.5223937.613715.593728.6753764.8273156.4753122.7223089.0463024.5513048.7382975.0182993.3522976.498
us-gaap:LiabilitiesAndStockholdersEquity █▇▆▆▄▅▄▄▄▂▂▂▁▁▁▁▁5984.9425499.6015368.1845284.8984703.9894793.9664630.6274568.8584513.653831.8413797.9773735.3863632.0323603.3663539.2963529.6353575.525
us-gaap:StockholdersEquity ▇██▇▆▅▆▅▄▃▃▂▂▁▁▁▂1023.5331071.1761073.265971.957882.467856.356915.037840.183748.823675.366675.255646.34607.481554.628564.278536.283599.027
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:AssetsCurrent ▆▇██▅▆▅▅▄▂▂▂▁▁▁▁▁2476.8152636.1722821.3662811.0432243.542328.1882222.7632163.4032116.3991699.341661.8661601.8971511.5111488.7191425.161449.2771506.976
us-gaap:CashAndCashEquivalentsAtCarryingValue ▄▆██▄▄▄▅▄▂▁▂▁▂▂▂▂621.862990.9551341.3011275.19620.612741.901696.821781.546649.1283.99211.859342.586149.723286.958289.495330.043337.487
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▄▆██▄▄▄▅▄▂▁▂▁▂621.862990.9551341.3011275.19620.612741.901696.821781.546649.1283.99211.859342.586149.723286.958NANANA
us-gaap:AccountsReceivableNetCurrent █▅▅▆▆▆▅▄▅▄▄▃▄▂▁▁▂1672.7721411.8941420.7051467.5811521.5451459.4711427.8161321.1111407.7161330.3641322.0971165.3261275.2211130.4521045.31026.4771073.968
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▆█▁▁▃▄▃▁▁▂▄▂▂▁▂▂▂182.181233.32359.3668.272101.383126.81698.12660.74659.58384.986127.9193.98586.56771.30990.36592.75795.521
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us-gaap:PropertyPlantAndEquipmentGross NA440.133NANANA480.446NANANA495.636NANANA504.874NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNA97.571NANANA94.529NANANA96.028NANANA79.629NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNA117.43NANANA140.232NANANA174.298NANANA164.061NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNA225.132NANANA245.685NANANA225.31NANANA202.133NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NA235.491NANANA272.369NANANA323.183NANANA334.978NANANA
us-gaap:AmortizationOfIntangibleAssets 10.3NANANA4.8NANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ▇█▇▇██▇▆▅▄▂▂▂▄▄▂▁195.93204.642196.063201.784205.096208.077195.392187.475177.837172.453153.72152.264152.053169.896166.498151.724138.912
us-gaap:Goodwill █▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1925.1511581.161581.161581.161581.161581.161581.161581.161581.161581.161581.161581.161581.161581.11580.9291571.1861571.186
us-gaap:IntangibleAssetsNetExcludingGoodwill █▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁609.762307.128304.147303.769303.469300.987298.269294.3291.629287.051287.49287.949285.946260.972265.612263.88267.893
us-gaap:FiniteLivedIntangibleAssetsNet █▁419.562116.928NANANA110.787NANANA96.851NANANA70.772NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇███▇████▁237.923239.374245.009241.523230.63240.122243.342250.81257.310.0NANANANANANANA
us-gaap:OtherAssetsNoncurrent ██▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁539.361531.125220.439145.619140.094135.43289.70191.7189.31591.837113.741112.116101.362102.633101.09793.56890.558
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▇▄██▆▅▅▅▅▄▃▄▃▂▁▂▁823.178666.971826.834852.885748.875698.011671.6684.374674.508664.948615.618638.262581.246557.559487.253530.341508.43
us-gaap:AccruedLiabilitiesCurrent ▆▄██▇▃▃▄▃▂▂▃▃▁▁▂▂344.6295.227389.714400.081365.352265.058273.075285.647265.216247.3249.791261.017260.537217.566230.348232.016238.577
us-gaap:LiabilitiesCurrent ▇▆██▅▇▄▅▅▄▃▃▂▂▁▁▁1370.9131291.1051420.9611401.5911238.7791327.6781153.8321210.5691211.5141179.2391104.4231104.7981022.5571036.166955.812969.507945.267
us-gaap:LongTermDebtCurrent ▂▂▂▂▂█▂▂▂▁▁▁▁▁▁▁▁77.86577.86577.86577.86577.865177.86577.86577.92477.92457.92457.92463.163.163.163.1563.1563.15
us-gaap:OperatingLeaseLiabilityCurrent ██▇█▇▇▆▅▅▁55.76754.95651.76852.98850.33949.02138.05332.99429.7890.0NANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▃▂▁▂▂▁▁▅█▅▆▆▆▆▅▅▆76.72465.69850.01957.30660.29554.00645.523124.526178.2130.814133.096131.475137.876132.757129.258122.711146.651
us-gaap:TaxesPayableCurrent NA30.694NANANA5.178NANANANANANANANANANANA
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us-gaap:LongTermDebt █▅▅▅▃▄▃▃▃▁▁▁▁▁▁▂▂2848.6562356.5962375.0072393.6042067.1932185.8442104.512122.7452141.2451759.7611773.2911786.7991803.8531818.5791832.3151847.0471861.805
us-gaap:LongTermDebtNoncurrent █▅▅▅▃▃▃▃▃▁▁▁▁▁▁▂▂2770.7912278.7312297.1422315.7391989.3282007.9792026.6452044.8212063.3211701.8371715.3671723.6991740.7531755.4791769.1651783.8971798.655
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁█321.631364.461NANANA88.086NANANA33.238NANANA4.485NANANA
us-gaap:OtherLiabilitiesNoncurrent ▃▃▇██▁▅▁▂▃▇▄▅▄▄▄▃238.367230.984306.196329.375333.709187.471261.678190.567202.013230.652302.932260.549261.241240.821250.041239.948232.576
us-gaap:OperatingLeaseLiabilityNoncurrent ▇▇█▇▇████▁259.707263.144270.62266.236259.706270.266273.435282.718287.9790.0NANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NA71.55371.81667.896NANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NA62.23561.14356.728NANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NA57.69156.58352.177NANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NA45.464NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NA58.639NANANANANANANANANANANANANANANA
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us-gaap:StockholdersEquity ▇██▇▆▅▆▅▄▃▃▂▂▁▁▁▂1023.5331071.1761073.265971.957882.467856.356915.037840.183748.823675.366675.255646.34607.481554.628564.278536.283599.027
us-gaap:CommonStockValue █▇▆▆▆▅▄▄▄▃▃▂▂▁1.6351.6291.6221.6211.6181.6131.6061.6041.6021.5991.5931.5911.5881.58NANANA
us-gaap:AdditionalPaidInCapitalCommonStock █▇▇▆▆▅▅▄▄▃▃▃▂▂▂▁▁577.228557.957532.757509.512486.739468.027446.318427.817413.293401.596387.651373.98360.915346.958335.698324.5312.874
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▆▆▅▅▄▄▄▃▃▂▂▁▁▁1799.0291757.5241609.5511508.2061415.1291330.8121235.6051161.6741079.785994.811937.663832.774767.278682.653622.58577.689532.23
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▂▂▁▁▅▄▅█▇██▇▇▇▇-26.758-29.771-39.952-43.732-47.418-46.001-26.157-31.119-26.121-11.19-17.928-11.317-12.779-15.106-14.572-16.987-17.224
us-gaap:TreasuryStockValue █▇▆▆▆▅▄▄▄▄▄▃▃▂▂▂▁1327.6011216.1631030.7131003.65973.601898.095742.335719.793719.736711.45633.724550.688509.521461.457381.003350.491230.421
us-gaap:StockIssuedDuringPeriodValueNewIssues ▆█▅▆▅▅▄▄▃▂▂▁▁4.6795.464.2624.6694.4234.1443.7943.6713.3783.1622.8772.6422.585NANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▄█▆▆▄▇▄▃▁▂▃▂▁12.44418.87115.34114.79910.8316.49410.9889.3646.4448.0449.9667.156.115NANANANA
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us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁▅█▄▅▃▅▃▅▂▆▂▄▃▅▂-10.662-80.275232.935425.606140.418184.96999.78215.69650.983216.4078.636301.604-27.037122.22368.858174.0673.995
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▇██████████████-676.591-35.429-84.771-18.026-20.058-37.367-30.734-32.642-27.336-31.116-18.404-19.207-20.485-15.083-44.177-25.453-11.74
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁▃▇▁▃▂▃█▃▂▃▃▃▃▂▅318.16-234.642-82.053246.998-241.649-102.522-153.771-50.608341.463-113.16-120.959-89.534-89.713-109.677-65.229-156.058127.815
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁▁▄█▃▄▃-369.093-350.34666.111654.578-121.28945.08-84.725NANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:AmortizationOfFinancingCosts ▅▃▅▄▂▁█1.1291.0931.1261.1061.071.0561.173NANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization █▄▄▄▄▄▄▃▄▃▂▂▁▂▂▁▁27.74521.45521.11321.01520.73220.77320.65519.63220.02118.21617.7816.42616.15316.5616.70116.04615.449
us-gaap:IncreaseDecreaseInAccountsReceivable █▃▂▂▅▄▆▁▅▄▇▁▆▅▄▂▅220.112-8.811-46.876-53.96462.5731.655106.705-86.60577.3528.061156.771-109.895141.51685.15716.046-47.49182.158
us-gaap:NetCashProvidedByUsedInOperatingActivities ▂▁▅█▄▅▃▅▃▅▂▆▂▄▃▅▂-10.662-80.275232.935425.606140.418184.96999.78215.69650.983216.4078.636301.604-27.037122.22368.858174.0673.995
us-gaap:NetIncomeLoss ▂█▅▅▄▅▃▃▄▂▄▂▃▂▁▁▂92.102199.177144.371136.081129.329138.866112.026114.325117.38689.575132.03792.713104.20484.88569.77370.91379.54
us-gaap:ShareBasedCompensation ▅█▆▆▄▇▄▃▂▂▃▂▁▂▁▂▁12.44418.87215.3414.79910.83316.49410.9889.3646.4448.0449.9677.156.1146.5215.2026.3465.249
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▁█▇██████████████-676.591-35.429-84.771-18.026-20.058-37.367-30.734-32.642-27.336-31.116-18.404-19.207-20.485-15.083-44.177-25.453-11.74
us-gaap:PaymentsToAcquireProductiveAssets ▁▇▃▃▄█▆▇▆█▃▄▄9.00833.17715.94918.02620.05837.36730.73432.64227.33636.60518.40419.20720.465NANANANA
us-gaap:PaymentsToAcquireInvestments 2.0NANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
us-gaap:NetCashProvidedByUsedInFinancingActivities █▁▃▇▁▃▂▃█▃▂▃▃▃▃▂▅318.16-234.642-82.053246.998-241.649-102.522-153.771-50.608341.463-113.16-120.959-89.534-89.713-109.677-65.229-156.058127.815
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▆▁▁█▁▂▁▁▅▁▁▁▂▁▂▁▅487.0270.00.0691.4960.099.999-2.1080.0400.039.9990.02.07260.039.38655.0010.0373.291
us-gaap:PaymentsOfDividends ██▆▆▆▆▄▃▃▃▂▂▂▂▁▁▁51.64151.20443.02643.00443.83243.65938.09532.43632.41232.42627.14827.21827.44227.66324.88225.45425.412
us-gaap:PaymentsForRepurchaseOfCommonStock ▆█▂▂▄▇▂▁▁▄▄▃▃▄▂▆▃123.805170.04327.06330.39285.899145.02522.5412.4812.17871.41183.03644.53253.84571.30830.512120.0748.428
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-31
Value1635000.01629000.01622000.01621000.01618000.01613000.01606000.01604000.01602000.01599000.01593000.01591000.01588000.01580000.01559000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding us-gaap:StatementClassOfStock

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:CommonClassA


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-30
Value136138138139141141141143143144146148149150150149149149149
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic us-gaap:StatementClassOfStock

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:CommonClassA


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value135137137138140140140141142143144147147148148147147146145146144142140139135132129127127125122
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

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-30
Value100000.027000.0300000.0200000.0200000.0200000.0100000.0100000.0200000.0100000.0400000.0400000.0200000.040000.00500000.0500000.0542000.0562000.0100000.0202000.0212000.0101000.0890000.0990000.0782000.0219000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.681.451.040.980.930.990.790.810.830.640.920.650.720.590.480.480.530.440.370.420.460.440.720.380.440.290.350.430.490.320.320.480.510.40.410.290.460.380.480.580.40.140.20.140.26
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

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.671.431.030.980.920.980.790.80.830.630.920.640.720.580.470.470.530.440.370.410.450.430.710.370.430.290.350.420.4700.310.450.480.370.380.270.430.360.440.530.370.120.180.120.23
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value121815141016109.3646.4448.0449.9667.156.1146.5215.2026.3465.2495.2155.4534.6925.8897.1836.2885.2566.2656.2097.0676.8256.0625.9464.7784.1955.1464.9785.4967.6056.7626.8156.07.77110
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.61.00.80.70.60.80.60.50.40.50.60.40.40.40.40.40.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.5730.7040.7920.6840.4460.7730.7620.7220.4850.780.6750.5860.3320.6450.4220.4930.4760.4920.4670.3061.2581.6670.7920.1861.0570.8751.2411.5871.1942.5161.790.8492.1021.9952.6094.453
Percentage of AllocatedShareBasedCompensationExpense4.63.75.24.64.14.76.97.77.59.76.88.25.49.98.17.89.19.48.66.521.423.212.63.516.914.117.623.319.742.337.520.240.840.147.558.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:EmployeeStockOption bah:AmendedAndRestatedEquityIncentivePlan0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

us-gaap:RestrictedStock, bah:AnnualIncentivePlan, us-gaap:CommonClassA


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value111814141015108.6425.9597.2649.2916.5645.7825.8764.785.8534.7734.7234.9864.3864.6315.5165.4965.075.2085.3345.8265.2384.8683.432.9883.3462.4072.3472.252.5151.288
Percentage of AllocatedShareBasedCompensationExpense95.496.394.895.495.995.393.192.392.590.393.291.894.690.191.992.290.990.691.493.578.676.887.496.583.185.982.476.780.357.762.579.846.847.140.933.119.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.90.80.70.50.80.60.50.30.40.60.40.40.40.30.40.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RestrictedStock bah:AnnualIncentivePlan us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value5.885115.8345.7694.4988.7823.0182.5381.9342.8142.1982.5341.4442.3752.091.8471.4591.5231.5351.191.5083.7640.9541.1381.1452.0512.3032.2612.0371.691.3221.1831.4771.4181.5482.168
Percentage of AllocatedShareBasedCompensationExpense47.361.438.039.041.553.227.527.130.035.022.135.423.636.440.229.127.829.228.125.425.652.415.221.718.333.032.633.133.628.427.728.228.728.528.228.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.60.30.30.20.40.20.10.10.20.10.20.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value6.5597.2919.5079.036.3357.7127.976.8264.515.237.7684.6164.674.1463.1124.4993.793.6923.9183.5024.3813.4195.3344.1185.124.1584.7644.5644.0254.2563.4563.0123.6693.563.9485.437
Percentage of AllocatedShareBasedCompensationExpense52.738.662.061.058.546.872.572.970.065.077.964.676.463.659.870.972.270.871.974.674.447.684.878.381.767.067.466.966.471.672.371.871.371.571.871.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.40.50.40.30.40.40.40.20.30.50.30.30.30.20.30.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value95209148139127119116109102961259410687727179675663686610856642752657152476870495646624762755116231428
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.810.67.86.96.56.06.36.05.65.47.55.86.55.34.94.65.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value962899866942948881813843840815750748785755678696735
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax48.445.445.546.748.544.744.046.446.145.845.146.447.746.346.145.248.3

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value184718081719181117641820168016471646164415011470148515001381141513541452129612771293131912021213122512501199118211831310117612421289143212761285131714431344133513481409131412951253
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax92.991.490.389.790.292.490.990.590.292.490.391.190.292.094.091.888.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-03-31
Value-2515000.000-13200000.00
Percentage of GainsLossesOnExtinguishmentOfDebt100.00.00.0100.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.00.0-0.70.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value301291254244245311245244234272222226205245209215188232201194189208200208188228176176171221175173171245182212193247224220211256206217200
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.214.713.412.112.615.813.313.412.815.313.414.112.515.014.313.912.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value119150165175170128146148155117140119137112981061211089297113928790108758610411970781131189394761038686858531212648
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.68.78.78.76.57.98.18.56.68.47.48.36.96.76.98.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value27-48.937213941-10.162343338288.2322733272835414137344526-20.14634443133394723314547383830413523103413-1.6951119
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.4-2.51.11.92.1-0.51.91.92.11.60.51.72.01.71.92.32.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.67310744213.1232.6054.998106-4.238-24.9633.26211133265172329351.492932791.3148.63632783.438372376401013640.8692019481.6452.2532.7452.5020.215
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.15.42.41.10.20.10.35.8-0.2-1.40.23.90.70.82.24.21.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value212020192021242525222222232120201815141417171717171717171818182020192117111112121218343840
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.11.01.11.01.01.11.31.41.41.21.31.41.41.31.41.41.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

bah:TrancheALoans, us-gaap:SecuredDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value5.2295.3195.5825.7226.9181111131310101010109.1989.3948.7778.3027.5857.2535.5065.5745.3725.4265.418
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.30.30.30.40.60.60.70.70.60.60.60.70.60.60.60.60.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:TrancheALoans us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bah:TrancheBLoans, us-gaap:SecuredDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value1.8011.8071.8721.8942.2143.3683.7194.2324.424.4154.3184.1153.9173.8543.4933.5183.2733.5253.3863.9897.9747.9738.0628.0617.974
Percentage of InterestExpenseDebt34.434.033.533.132.030.431.131.232.942.041.839.836.137.838.037.437.342.544.655.0144.8143.0150.1148.6147.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.20.20.20.20.20.30.30.20.20.20.20.20.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:TrancheBLoans us-gaap:SecuredDebt0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InterestExpenseDebt us-gaap:LongtermDebtType

us-gaap:RevolvingCreditFacility


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value0.0250.00.00.00.7990.0920.00.00.00.0540.00.0020.0590.0290.0430.1990.00.4480.00.0730.230.1540.1930.0160.0
Percentage of InterestExpenseDebt0.50.00.00.011.50.80.00.00.00.50.00.00.50.30.52.10.05.40.01.04.22.83.60.30.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RevolvingCreditFacility0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SeniorNotes


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value7.5596.7056.7825.5054.4844.4854.4844.2984.4844.4854.4844.4854.4844.4844.4854.4843.289
Percentage of InterestExpenseDebt144.6126.1121.596.264.840.437.531.633.342.643.443.441.443.948.847.737.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.40.30.40.30.20.20.20.20.20.30.30.30.30.30.30.30.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.713217.455131914241826142314231422
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.31.10.40.71.00.71.31.01.50.81.40.91.50.91.5

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value92199144136129138112114117891329210484697079665562676510856644352657146476770545646615062755118231428
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 RevenueFromContractWithCustomerExcludingAssessedTax4.610.17.66.76.67.16.16.36.45.07.95.76.35.24.74.65.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value921991441361291381121141178913292104
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.610.17.66.76.67.16.16.36.45.07.95.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1411711842071911491691721791351611431611361181261391291081171291041051081269210512113989971351381121161021149798939883757188
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 RevenueFromContractWithCustomerExcludingAssessedTax7.18.69.710.39.87.69.19.59.87.69.78.99.88.38.08.29.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2.9947.6823.7583.664-1.439-24.7184.945-5.014-14.965
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.40.20.2-0.1-1.30.3-0.3-0.8

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value3.013103.783.686-1.417-19.8444.962-4.998-14.9316.738-6.6111.4622.3272.3172.4150.237-0.1471.1410.4810.4570.4570.9640.5340.5240.524-15.780.0860.0860.0855.1990.4191.1090.424-5.476-0.0760.381
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.50.20.2-0.1-1.00.3-0.3-0.80.4-0.40.10.10.10.20.0-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3.013103.783.686-1.417-19.8444.962-4.998-14.9316.738-6.6111.4622.327
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.50.20.2-0.1-1.00.3-0.3-0.80.4-0.40.10.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-533000.0-396000.02604000.0-12034000.0-836000.01307000.01909000.02005000.01971000.04941000.0373000.0-1617000.0-1171000.0-1666000.0530000.0563000.0761000.0-5446000.0-1333000.0-5161000.01891000.05384000.0555000.0-178000.0-68000.08000.0-777000.0807000.0-1110000.0-175000.021000.0-1694000.054000.053000.0134000.0-7343000.0-483000.0673000.0238000.04051000.0-442000.0-33722000.0-18656000.0-6803000.0-307000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.0-0.00.1-0.6-0.00.10.10.10.10.30.0-0.1-0.1-0.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19891979190420191956196918491819182517801663161316461631147015421523
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerBasisOfPricing

bah:CostReimbursableContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value111511021086113810921106105210261026967901851859849740795770
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.155.757.156.455.856.256.956.456.254.454.252.852.252.150.351.650.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax56.155.757.156.455.856.256.956.456.254.454.252.852.252.150.351.650.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:CostReimbursableContract100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FixedPriceContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value376383355376361397369369377408385372381378357362370
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.919.418.718.618.520.220.020.320.722.923.223.123.223.224.323.524.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.919.418.718.618.520.220.020.320.722.923.223.123.223.224.323.524.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:FixedPriceContract100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TimeAndMaterialsContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value497493462504502465428423420404376390405403372384382
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.024.924.325.025.723.623.123.323.022.722.624.224.624.725.424.925.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax25.024.924.325.025.723.623.123.323.022.722.624.224.624.725.424.925.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:TimeAndMaterialsContract100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ContractWithCustomerSalesChannel

us-gaap:SalesChannelDirectlyToConsumer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value18611849177718801803182017141676167316351534148215071482134214131388
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.693.493.493.192.292.492.792.191.791.992.391.891.590.991.391.691.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax93.693.493.493.192.292.492.792.191.791.992.391.891.590.991.391.691.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesChannelDirectlyToConsumer100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SalesChannelThroughIntermediary


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value127130126138152149134143151144128131139148127129134
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.66.66.97.87.67.37.98.38.17.78.28.59.18.78.48.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.46.66.66.97.87.67.37.98.38.17.78.28.59.18.78.48.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SalesChannelThroughIntermediary100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MajorCustomers

bah:GlobalCommercialClients


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4341495260727658557773555554525337
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.12.62.63.13.74.13.23.04.44.43.43.43.43.63.52.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.12.62.63.13.74.13.23.04.44.43.43.43.43.63.52.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:GlobalCommercialClients100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:MajorCustomers, us-gaap:StatementGeographical

bah:CivilClients, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value592536520570557530485511492463444417435443392403405
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.827.127.328.228.526.926.328.127.026.026.725.926.427.226.726.126.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax29.827.127.328.228.526.926.328.127.026.026.725.926.427.226.726.126.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:CivilClients country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:DefenseClients, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value97510059611000931960904845858833767755757746665706711
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.150.850.549.547.648.748.946.547.146.846.146.846.045.745.345.846.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax49.150.850.549.547.648.748.946.547.146.846.146.846.045.745.345.846.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:DefenseClients country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:IntelligenceClients, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value376394373396407406383405419405378385397386360379368
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.919.919.619.620.820.620.722.323.022.822.723.924.123.724.524.624.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax18.919.919.619.620.820.620.722.323.022.822.723.924.123.724.524.624.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax bah:IntelligenceClients country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementGeographical

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19451937185419661896189717731761177017021590155815901576141814891485
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax97.897.997.497.496.996.395.996.897.095.695.696.696.696.696.496.597.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax97.897.997.497.496.996.395.996.897.095.695.696.696.696.696.496.597.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax country:US100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value598454995368528447034793463045684513383137973735363236033539352935753373316630933041301029662874285328772832282929632940305031843168317731503090310933143207313630273024
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value496144284294431238213937371537283764315631223089302430482975299329762799259625772579260125852605264526902636266427332769277127942879295029662970208921292065206520532116
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets82.980.580.081.681.282.180.281.683.482.482.282.783.384.684.184.883.283.082.083.384.886.487.290.692.793.593.194.292.294.290.987.790.992.994.196.167.264.264.465.967.870.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value598454995368528447034793463045684513383137973735363236033539352935753373316630933041301029662874285328772832282929632940305031843168317731503090310933143207313630273024
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-312009-03-31
Value10231071107397188285691584074867567564660755456453659957356951646240838026820718619516422917127839028822618411910191185114210709749075091060
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.119.520.018.418.817.919.818.416.617.617.817.316.715.415.915.216.817.018.016.715.213.612.89.47.36.56.95.87.85.89.112.39.17.15.93.932.835.835.634.132.230.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312012-03-312011-03-312010-03-312009-03-31
Value1.6351.6291.6221.6211.6181.6131.6061.6041.6021.5991.5931.5911.5881.581.2871.2271.0291.013
Percentage of StockholdersEquity0.20.20.20.20.20.20.20.20.20.20.20.20.30.30.10.10.20.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value1.6291.6131.5991.581.5591.5341.5021.441.3641.2871.2271.029
Percentage of StockholdersEquity0.20.20.20.30.30.40.80.80.60.10.10.2
Percentage of Assets0.00.00.00.00.00.10.10.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-31
Value-1.543-1.562-4.061-4.083-4.105-4.127-9.001-9.018-9.034-9.068-19.677-20.124-20.548-20.955-15.99-16.353-16.714-17.077-19.613-22.159
Percentage of StockholdersEquity-0.2-0.1-0.4-0.4-0.5-0.5-1.0-1.1-1.2-1.3-2.9-3.1-3.4-3.8-2.8-3.0-2.8-3.0-4.8-11.9
Percentage of Assets-0.0-0.0-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.5-0.5-0.6-0.6-0.5-0.5-0.5-0.5-0.7-0.8
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value-25.215-28.209-35.891-39.649-43.313-41.874-17.156-22.101-17.087-2.1225.849
Percentage of StockholdersEquity-2.5-2.6-3.3-4.1-4.9-4.9-1.9-2.6-2.3-0.31.1
Percentage of Assets-0.4-0.5-0.7-0.8-0.9-0.9-0.4-0.5-0.4-0.10.2
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value-26.758-29.771-39.952-43.732-47.418-46.001-26.157-31.119-26.121-11.19-17.928-11.317-12.779-15.106-14.572-16.987-17.224-17.077-19.613-22.159-6.636-13.787-8.715-5.453-3.8180.698
Percentage of StockholdersEquity-2.6-2.8-3.7-4.5-5.4-5.4-2.9-3.7-3.5-1.7-2.7-1.8-2.1-2.7-2.6-3.2-2.9-3.0-4.8-11.9-3.9-6.1-0.7-0.6-0.70.1
Percentage of Assets-0.4-0.5-0.7-0.8-1.0-1.0-0.6-0.7-0.6-0.3-0.5-0.3-0.4-0.4-0.4-0.5-0.5-0.5-0.7-0.8-0.2-0.4-0.3-0.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value5775575325094864684464274134013873733603463022431741441208988405251097
Percentage of StockholdersEquity56.452.149.652.455.254.748.850.955.259.557.457.959.462.652.859.693.884.153.375.892.6103.2103.5
Percentage of Assets9.610.19.99.610.39.89.69.49.210.510.210.09.99.69.08.16.14.93.827.127.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value1799175716091508141513301235116110799949378327676824783181044212429971-13.364-38.783
Percentage of StockholdersEquity175.8164.1150.0155.2160.4155.4135.0138.3144.2147.3138.9128.8126.3123.183.478.056.024.955.025.37.9-2.6-3.7
Percentage of Assets30.132.030.028.530.127.826.725.423.926.024.722.321.118.914.210.63.61.53.99.02.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value-1327.601-1216.163-1030.713-1003.65-973.601-898.095-742.335-719.793-719.736-711.45-633.724-550.688-509.521-461.457-191.9-135.445-72.293-10.153-6.444-5.3770.00.00.0
Percentage of StockholdersEquity-129.7-113.5-96.0-103.3-110.3-104.9-81.1-85.7-96.1-105.3-93.8-85.2-83.9-83.2-33.5-33.2-38.8-5.9-2.8-0.50.00.00.0
Percentage of Assets-22.2-22.1-19.2-19.0-20.7-18.7-16.0-15.8-15.9-18.6-16.7-14.7-14.0-12.8-5.7-4.5-2.5-0.3-0.2-0.20.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value247626362821281122432328222221632116169916611601151114881425144915061294135812711210118911341147112811631154117813001255134814641431142413961442147316571537147113761365
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.447.952.653.247.748.648.047.446.944.343.842.941.641.340.341.142.138.442.941.139.839.538.239.939.640.440.841.743.942.744.246.045.244.844.346.747.450.047.946.945.545.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-03-31
Value62199013411275620741696781649283211342149286289330337217349307179187167187151207197241319259403427385350317488336484405356228192457366300307420
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.418.025.024.113.215.515.017.114.47.45.69.24.18.08.29.49.46.411.09.95.96.25.66.55.37.27.08.510.88.813.213.412.211.010.115.810.814.612.611.47.56.40.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-31
Value62199013411275620741696781649283211342149286217187
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.418.025.024.113.215.515.017.114.47.45.69.24.18.06.46.2

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value167214111420146715211459142713211407133013221165127511301045102610739919028729528928458478678578448208979168869689951029980839107010771065103110791111
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.925.726.527.832.330.430.828.931.234.734.831.235.131.429.529.130.029.428.528.231.329.628.529.530.429.829.829.030.331.229.130.431.432.431.127.234.432.533.232.935.736.7

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1822335968101126986059841279386719092958510691771091211121098411211683495868504498114669567836862
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.04.21.11.32.22.62.11.31.32.23.42.52.42.02.62.62.72.53.43.02.53.74.13.93.92.94.04.12.81.71.92.11.61.43.13.72.12.92.12.72.32.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value440480495504452418388380373358
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.010.012.914.013.413.913.512.911.710.8

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:ComputerEquipment


Property
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value97949679756957494649
Percentage of PropertyPlantAndEquipmentGross22.219.719.415.816.616.514.913.012.613.8
Percentage of Assets1.82.02.52.22.22.32.01.71.51.5
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value117140174164151145134104135131
Percentage of PropertyPlantAndEquipmentGross26.729.235.232.533.534.734.627.536.336.6
Percentage of Assets2.12.94.54.64.54.84.73.64.34.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value225245225202177155152201154144
Percentage of PropertyPlantAndEquipmentGross51.251.145.540.039.237.239.352.941.340.3
Percentage of Assets4.15.15.95.65.25.25.36.84.94.4
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-12-312011-09-302011-06-302011-03-31
Value2352723233343122882772512061671790.000165151138
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.35.78.49.39.39.69.68.56.55.15.60.05.04.6

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302020-06-302013-03-312012-12-312012-03-312011-12-31
Value104.84.93.74.14.1
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value195204196201205208195187177172153152152169166151138139133128128130126115111111105110117129134143154166170174178191195188177173
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.33.73.73.84.44.34.24.13.94.54.04.14.24.74.74.33.94.14.24.14.24.34.24.03.93.93.73.94.04.44.44.54.95.25.45.75.85.86.16.05.95.7

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value192515811581158115811581158115811581158115811581158115811580157115711571136113611361136113611305130313041299127312731273127412761277127712761187118811881188117711631163
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.228.829.529.933.633.034.134.635.041.341.642.343.543.944.744.543.946.643.044.044.845.245.945.445.745.345.945.043.043.341.840.140.340.240.538.438.235.837.037.538.438.5

us-gaap:Goodwill us-gaap:BusinessAcquisition

bah:LibertyITSolutionsLLC


Goodwillus-gaap:
Period End2021-06-11
Value343
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets bah:LibertyITSolutionsLLC0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value609307304303303300298294291287287287285260265263267271211214217220223214216219222216218220224228232236241217220223227232236240
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.25.65.75.76.56.36.46.46.57.57.67.77.97.27.57.57.58.16.76.97.27.37.57.47.67.67.97.67.47.57.47.27.37.47.67.07.16.87.17.47.87.9

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-12-312012-03-31
Value419116110967081302930465033
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.02.12.32.52.02.41.01.01.01.41.61.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:BusinessAcquisition

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value419
Percentage of FiniteLivedIntangibleAssetsNet100.0
Percentage of Assets7.0
Percentage of Assets bah:LibertyITSolutionsLLC0.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

bah:CustomerRelationshipsAndOther


Finite
Period End2021-06-302021-03-31
Value33831
Percentage of FiniteLivedIntangibleAssetsNet80.627.3
Percentage of Assets5.70.6
Percentage of Assets bah:CustomerRelationshipsAndOther0.00.0

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2021-03-312020-03-312019-03-312018-03-31
Value85684117
Percentage of FiniteLivedIntangibleAssetsNet72.762.043.224.8
Percentage of Assets1.51.41.10.5
Percentage of Assets us-gaap:ComputerSoftwareIntangibleAsset0.00.00.00.0

us-gaap:OrderOrProductionBacklog


Finite
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-12-312012-03-31
Value3142557081302930465033
Percentage of FiniteLivedIntangibleAssetsNet27.338.056.8100.0100.0100.0100.0100.0100.099.999.2
Percentage of Assets0.60.91.42.02.41.01.01.01.41.61.0
Percentage of Assets us-gaap:OrderOrProductionBacklog0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Finite
Period End2021-06-302021-03-31
Value8185
Percentage of FiniteLivedIntangibleAssetsNet19.472.7
Percentage of Assets1.41.5
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2372392452412302402432502570.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.04.44.64.64.95.05.35.55.70.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value539531220145140135899189911131121011021019390851001171238512192916450515260687173626667484658667381
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.09.74.12.83.02.81.92.02.02.43.03.02.82.82.92.72.52.53.23.84.02.84.13.23.22.21.81.81.82.12.22.22.32.02.12.21.61.41.82.12.42.7

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value823666826852748698671684674664615638581557487530508504454467462484432445457481438468478488433465477451423449440443377425413406
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.812.115.416.115.914.614.515.014.917.416.217.116.015.513.815.014.214.914.315.115.216.114.615.516.016.715.516.616.116.614.214.615.114.213.414.514.213.411.813.613.613.4

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-31
Value344295389400365265273285265247249261260217230232238235230234246238244246249265236236234223218216218202155
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 Assets5.85.47.37.67.85.55.96.35.96.56.67.07.26.06.56.66.77.07.37.68.17.98.38.68.79.28.48.37.97.67.26.86.96.44.7

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value137012911420140112381327115312101211117911041104102210369559699451101921890895939793788816848808828855917899875912964976969878914837831808866
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.923.526.526.526.327.724.926.526.830.829.129.628.228.827.027.526.432.729.128.829.431.226.727.428.629.528.629.328.931.229.527.528.830.431.031.428.227.626.126.526.728.6

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value7777777777177777777575763636363636319378631061127267625751464173696460555146454239363330
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.41.51.51.73.71.71.71.71.51.51.71.71.81.81.81.85.72.52.03.53.72.42.32.22.01.81.71.42.52.32.01.91.71.61.51.51.31.21.21.11.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5554515250493832290.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.91.01.01.01.11.00.80.70.70.0

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value766550576054451241781301331311371321291221461401291231201004524603026145523222675629276751027254732
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.20.91.11.31.11.02.73.93.43.53.53.83.73.73.54.14.24.14.04.03.41.50.82.11.10.90.51.90.80.70.82.42.02.92.52.40.30.90.81.61.1

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-03-312020-03-31
Value305.178
Percentage of TaxesPayableCurrent100.0100.0
Percentage of Assets0.60.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value284823562375239320672185210421222141175917731786180318181832184718611663156315631608159715871601161616261635164516551658167416901703171517261737955965
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets47.642.944.245.343.945.645.446.547.445.946.747.849.750.551.852.352.149.349.450.552.953.153.555.756.756.557.858.255.956.454.953.153.854.054.856.230.729.1

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value277022782297231519892007202620442063170117151723174017551769178317981470148514991501148415141534155415691584159816131585160516251643165916751691909922933943953964
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.341.442.843.842.341.943.844.845.744.445.246.147.948.750.050.550.343.646.948.549.449.351.153.454.554.555.956.554.553.952.651.051.952.253.254.729.327.829.130.131.531.9

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-03-312019-03-312018-03-312017-03-31
Value32136488334.4850.0
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.00.0
Percentage of Assets5.46.61.80.90.10.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value238230306329333187261190202230302260261240250239232216190187182175277282274214243237263201266292323269314310301236239223200195
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.04.25.76.27.13.95.74.24.56.08.07.07.26.77.16.86.56.46.06.16.05.89.49.89.67.48.68.48.96.88.79.210.28.510.010.09.77.17.57.16.66.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2592632702662592702732822870.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.34.85.05.05.55.65.96.26.40.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-03-312020-12-312020-09-30
Value717167
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0
Percentage of Assets1.31.31.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-03-312020-12-312020-09-30
Value626156
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0
Percentage of Assets1.11.11.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-03-312020-12-312020-09-30
Value575652
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0
Percentage of Assets1.01.11.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-03-31
Value45
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.8

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-03-31
Value58
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets1.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-04-01
Value318322319319311315317330
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.86.06.06.76.76.97.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-03-312020-12-312020-09-30
Value364370369
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0
Percentage of Assets6.66.97.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-03-312020-12-312020-09-30
Value454750
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0
Percentage of Assets0.80.91.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-312009-03-31
Value10231071107397188285691584074867567564660755456453659957356951646240838026820718619516422917127839028822618411910191185114210709749075091060
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets17.119.520.018.418.817.919.818.416.617.617.817.316.715.415.915.216.817.018.016.715.213.612.89.47.36.56.95.87.85.89.112.39.17.15.93.932.835.835.634.132.230.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312012-03-312011-03-312010-03-312009-03-31
Value1.6351.6291.6221.6211.6181.6131.6061.6041.6021.5991.5931.5911.5881.581.2871.2271.0291.013
Percentage of StockholdersEquity0.20.20.20.20.20.20.20.20.20.20.20.20.30.30.10.10.20.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents

us-gaap:CommonClassA, us-gaap:CommonStock


Stockholders
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-31
Value1.6291.6131.5991.581.5591.5341.5021.441.3641.2871.2271.029
Percentage of StockholdersEquity0.20.20.20.30.30.40.80.80.60.10.10.2
Percentage of Assets0.00.00.00.00.00.10.10.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-31
Value-1.543-1.562-4.061-4.083-4.105-4.127-9.001-9.018-9.034-9.068-19.677-20.124-20.548-20.955-15.99-16.353-16.714-17.077-19.613-22.159
Percentage of StockholdersEquity-0.2-0.1-0.4-0.4-0.5-0.5-1.0-1.1-1.2-1.3-2.9-3.1-3.4-3.8-2.8-3.0-2.8-3.0-4.8-11.9
Percentage of Assets-0.0-0.0-0.1-0.1-0.1-0.1-0.2-0.2-0.2-0.2-0.5-0.5-0.6-0.6-0.5-0.5-0.5-0.5-0.7-0.8
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-03-31
Value-25.215-28.209-35.891-39.649-43.313-41.874-17.156-22.101-17.087-2.1225.849
Percentage of StockholdersEquity-2.5-2.6-3.3-4.1-4.9-4.9-1.9-2.6-2.3-0.31.1
Percentage of Assets-0.4-0.5-0.7-0.8-0.9-0.9-0.4-0.5-0.4-0.10.2
Percentage of Assets us-gaap:AccumulatedGainLossNetCashFlowHedgeParent0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value-26.758-29.771-39.952-43.732-47.418-46.001-26.157-31.119-26.121-11.19-17.928-11.317-12.779-15.106-14.572-16.987-17.224-17.077-19.613-22.159-6.636-13.787-8.715-5.453-3.8180.698
Percentage of StockholdersEquity-2.6-2.8-3.7-4.5-5.4-5.4-2.9-3.7-3.5-1.7-2.7-1.8-2.1-2.7-2.6-3.2-2.9-3.0-4.8-11.9-3.9-6.1-0.7-0.6-0.70.1
Percentage of Assets-0.4-0.5-0.7-0.8-1.0-1.0-0.6-0.7-0.6-0.3-0.5-0.3-0.4-0.4-0.4-0.5-0.5-0.5-0.7-0.8-0.2-0.4-0.3-0.20.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value5775575325094864684464274134013873733603463022431741441208988405251097
Percentage of StockholdersEquity56.452.149.652.455.254.748.850.955.259.557.457.959.462.652.859.693.884.153.375.892.6103.2103.5
Percentage of Assets9.610.19.99.610.39.89.69.49.210.510.210.09.99.69.08.16.14.93.827.127.80.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value1799175716091508141513301235116110799949378327676824783181044212429971-13.364-38.783
Percentage of StockholdersEquity175.8164.1150.0155.2160.4155.4135.0138.3144.2147.3138.9128.8126.3123.183.478.056.024.955.025.37.9-2.6-3.7
Percentage of Assets30.132.030.028.530.127.826.725.423.926.024.722.321.118.914.210.63.61.53.99.02.40.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-312010-03-312009-03-31
Value-1327.601-1216.163-1030.713-1003.65-973.601-898.095-742.335-719.793-719.736-711.45-633.724-550.688-509.521-461.457-191.9-135.445-72.293-10.153-6.444-5.3770.00.00.0
Percentage of StockholdersEquity-129.7-113.5-96.0-103.3-110.3-104.9-81.1-85.7-96.1-105.3-93.8-85.2-83.9-83.2-33.5-33.2-38.8-5.9-2.8-0.50.00.00.0
Percentage of Assets-22.2-22.1-19.2-19.0-20.7-18.7-16.0-15.8-15.9-18.6-16.7-14.7-14.0-12.8-5.7-4.5-2.5-0.3-0.2-0.20.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-31
Value1635000.01629000.01622000.01621000.01618000.01613000.01606000.01604000.01602000.01599000.01593000.01591000.01588000.01580000.01559000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value57755753250948646844642741340138737336034633532431230229127125524323120818417416314315114417517512712011594881898890882855840
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.610.19.99.610.39.89.69.49.210.510.210.09.99.69.59.28.89.09.28.88.48.17.87.36.56.15.85.15.14.95.75.54.03.83.73.028.427.127.828.128.327.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-07-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value1799175716091508141513301235116110799949378327676826225775324784374043643182751861491048043974212323418112482380.015029926019712271
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.132.030.028.530.127.826.725.423.926.024.722.321.118.917.616.414.914.213.813.112.010.69.36.55.23.62.81.63.31.54.07.45.73.92.61.20.04.89.08.16.34.02.4

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-03-31
Value-26758000.0-29771000.0-39952000.0-43732000.0-47418000.0-46001000.0-26157000.0-31119000.0-26121000.0-11190000.0-17928000.0-11317000.0-12779000.0-15106000.0-14572000.0-16987000.0-17224000.0-17077000.0-18218000.0-18699000.0-19156000.0-19613000.0-20577000.0-21111000.0-21635000.0-22159000.0-6379000.0-6465000.0-6551000.0-6636000.0-11835000.0-12254000.0-13363000.0-13787000.0-8311000.0-8235000.0-8616000.0-8715000.0-5132000.0-5238000.0-5346000.0-5453000.0-3818000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.4-0.5-0.7-0.8-1.0-1.0-0.6-0.7-0.6-0.3-0.5-0.3-0.4-0.4-0.4-0.5-0.5-0.5-0.6-0.6-0.6-0.7-0.7-0.7-0.8-0.8-0.2-0.2-0.2-0.2-0.4-0.4-0.4-0.4-0.3-0.3-0.3-0.3-0.2-0.2-0.2-0.20.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-03-31
Value132712161030100397389874271971971163355050946138135023019114214214013510610610672431814109.3799.3028.9646.4446.2266.2265.377-5.377-5.3775.3770.0
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets22.222.119.219.020.718.716.015.815.918.616.714.714.012.810.89.96.45.74.54.64.64.53.63.73.72.51.50.70.50.30.30.30.30.20.20.20.2-0.2-0.20.20.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.6795.464.2624.6694.4234.1443.7943.6713.3783.1622.8772.6422.585
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.0050.00.0020.0030.00.0010.0020.0010.0010.004
Percentage of StockIssuedDuringPeriodValueNewIssues0.10.00.00.10.00.00.10.00.00.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonClassA0.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.6745.4544.2624.6674.424.1393.7943.673.3763.1592.8762.6412.581
Percentage of StockIssuedDuringPeriodValueNewIssues99.999.9100.0100.099.999.9100.0100.099.999.9100.0100.099.8
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value121815141016109.3646.4448.0449.9667.156.115
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value121815141016109.3646.4448.0449.9667.156.115
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-10.662-80.27523242514018499215502168.636301-27.037122681743.99599652051168926919812710891401526573659.1863157410874123531510916010
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-4.112.221.17.29.45.411.92.812.20.518.7-1.67.54.711.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-676590000.0-35429000.0-84771000.0-18026000.0-20058000.0-37367000.0-30734000.0-32642000.0-27336000.0-31116000.0-18404000.0-19207000.0-20485000.0-15083000.0-44177000.0-25453000.0-11740000.0-270140000.0-15411000.0-8322000.0-7022000.0-21306000.0-65885000.0-17422000.0-13140000.0-19202000.0-32442000.0-6279000.0-2652000.0-8057000.0-2344000.0-725000.0-2430000.0-12425000.0-163650000.0-10406000.0-3969000.0-11367000.0-21918000.0-2707000.0-17601000.0-27351000.0-22476000.0-22744000.0-14829000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-34.0-1.8-4.5-0.9-1.0-1.9-1.7-1.8-1.5-1.7-1.1-1.2-1.2-0.9-3.0-1.6-0.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value318-234.642-82.053246-241.649-102.522-153.771-50.608341-113.16-120.959-89.534-89.713-109.677-65.229-156.05812738-8.147-69.865-12.18-26.506-46.722-16.244-61.697-52.924-39.468-180.148-29.62-175.497-174.44-23.173-36.442-20.489-16.935-152.371-218.391-17.319-4.1777.141-0.361-253.3243.802-72.215-2.406
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.0-11.9-4.312.2-12.4-5.2-8.3-2.818.7-6.4-7.3-5.5-5.4-6.7-4.4-10.18.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-369.093-350.34666654-121.28945-84.725
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-18.6-17.73.532.4-6.22.3-4.6

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.1291.0931.1261.1061.071.0561.1731.5261.6671.4741.1981.1811.2021.2061.194-11.308115.2731.913
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value272121212020201920181716161616161515141414141615151515151617171818191817181919181720201919
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value220-8.811-46.876-53.9646231106-86.605778.061156-109.8951418516-47.491827629-80.1426047-6.532-19.484101222-76.837-19.19530-82.18-24.573-34.0324963-231.129-6.5391233-39.985-31.069939-22.384-23.385
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-10.662-80.27523242514018499215502168.636301-27.037122681743.99599652051168926919812710891401526573659.1863157410874123531510916010
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.5-4.112.221.17.29.45.411.92.812.20.518.7-1.67.54.711.30.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value92199144136129138112114117891329210484697079665562676510856644352657146476770545646615062755118231428
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 RevenueFromContractWithCustomerExcludingAssessedTax4.610.17.66.76.67.16.16.36.45.07.95.76.35.24.74.65.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value921991441361291381121141178913292104
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.610.17.66.76.67.16.16.36.45.07.95.76.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value121815141016109.3646.4448.0449.9677.156.1146.5215.2026.3465.2495.2155.4534.6925.8897.1836.2885.2566.2656.2097.0676.8256.0625.9464.7784.1955.1464.9785.4967.6056.7626.8156.07.771109.475111115
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-676590000.0-35429000.0-84771000.0-18026000.0-20058000.0-37367000.0-30734000.0-32642000.0-27336000.0-31116000.0-18404000.0-19207000.0-20485000.0-15083000.0-44177000.0-25453000.0-11740000.0-270140000.0-15411000.0-8322000.0-7022000.0-21306000.0-65885000.0-17422000.0-13140000.0-19202000.0-32442000.0-6279000.0-2652000.0-8057000.0-2344000.0-725000.0-2430000.0-12425000.0-163650000.0-10406000.0-3969000.0-11367000.0-21918000.0-2707000.0-17601000.0-27351000.0-22476000.0-22744000.0-14829000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-34.0-1.8-4.5-0.9-1.0-1.9-1.7-1.8-1.5-1.7-1.1-1.2-1.2-0.9-3.0-1.6-0.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9.008331518203730322736181920
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2021-06-30
Value2000000.0
Percentage of PaymentsToAcquireInvestments100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value318-234.642-82.053246-241.649-102.522-153.771-50.608341-113.16-120.959-89.534-89.713-109.677-65.229-156.05812738-8.147-69.865-12.18-26.506-46.722-16.244-61.697-52.924-39.468-180.148-29.62-175.497-174.44-23.173-36.442-20.489-16.935-152.371-218.391-17.319-4.1777.141-0.361-253.3243.802-72.215-2.406
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.0-11.9-4.312.2-12.4-5.2-8.3-2.818.7-6.4-7.3-5.5-5.4-6.7-4.4-10.18.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt

us-gaap:ProceedsFromIssuanceOfLongTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-03-312011-12-31
Value4870.00.06910.099-2.1080.0400390.02.0726039550.03733890.0445185125123250.0500.030168502500.00.00.00.00.00.0
Percentage of ProceedsFromIssuanceOfLongTermDebt100.00.00.0100.00.0100.0100.00.0100.0100.00.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.00.00.00.00.00.00.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value51514343434338323232272727272425252522222222191919191616316
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfDividends us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:RestrictedStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.30.30.30.30.20.20.20.20.20.10.20.20.20.20.20.20.20.20.20.20.20.30.30.2660.2110.30.32.50.191
Percentage of PaymentsOfDividends0.60.60.70.70.50.50.50.60.60.30.70.70.70.70.80.80.80.80.90.90.91.31.51.41.11.61.81.51.2

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value123170273085145222.481271834453713012048390.0012.2884.566280.00.03428253.6374.6320.7740.0770.3382.520.2180.00.8490.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value22.913.022.40.2430.2360.2280.2470.0590.2270.2410.2880.3320.3450.40.3570.402-0.2290.3820.4080.390.3780.4030.3970.4040.4040.4090.40.3990.2720.1190.401
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Share
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value44.8634.9125.8318.5513.9911.8210.199.397.41
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312014-03-312013-03-312012-03-31
Value33288337.274-21.4560.25451
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value403269178163235228235229229181
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-312011-03-31
Value62551111111.4495554555477
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value6.1654.2962.8531.3730.00.00.00.00.036
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.00.00.00.00.00.0100.0

bah:AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureRestrictedStockUnitsVesting

bah:AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureRestrictedStockUnitsVesting


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-360000.0678000.058000.059000.0-339000.0407000.032000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureRestrictedStockUnitsVesting100.0100.0100.0100.0100.0100.0100.0

bah:AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureRestrictedStockUnitsVesting us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-360000.0678000.058000.059000.0-339000.0407000.032000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalRecognitionOfLiabilityRelatedToFutureRestrictedStockUnitsVesting100.0100.0100.0100.0100.0100.0100.0

bah:BillableExpenses

bah:BillableExpenses


Billable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value555596577603549606600539551538510478477483443483451480428409432415355363378341366347350403320365397418382353378399370380392389368359356
Percentage of BillableExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:IncreaseDecreaseInOperatingLeaseLiabilities

bah:IncreaseDecreaseInOperatingLeaseLiabilities


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-10994000.0-14292000.0-15363000.0-12992000.0-2231000.0-10891000.0-9297000.0-15232000.00
Percentage of IncreaseDecreaseInOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.00.0

bah:InterestExpenseDebtInterestSwap

bah:InterestExpenseDebtInterestSwap


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302017-06-30
Value5.4435.3435.415.3644.4411.491.0810.046-0.5230.0330.0
Percentage of InterestExpenseDebtInterestSwap100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

bah:InterestIncomeExpenseOther

bah:InterestIncomeExpenseOther


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value85000.0102000.0106000.0196000.0309000.0-506000.01180000.0313000.0-397000.0-496000.0-332000.049000.0390000.058000.015000.0
Percentage of InterestIncomeExpenseOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:NoncashFinancingActivities

bah:NoncashFinancingActivities


Noncash
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value000178000.0-581000.02391000.0-572000.02682000.00375000.0-558000.03216000.00
Percentage of NoncashFinancingActivities0.00.00.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0

bah:NoncashLeaseExpense

bah:NoncashLeaseExpense


Noncash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1312131313131413130.0
Percentage of NoncashLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

bah:PaymentOfPremiumsAndWriteOffOfDebtIssuanceCosts

bah:PaymentOfPremiumsAndWriteOffOfDebtIssuanceCosts


Payment
Period End2020-09-30
Value9000000.0
Percentage of PaymentOfPremiumsAndWriteOffOfDebtIssuanceCosts100.0

bah:RepurchaseOfStockToSatisfyTaxWithholdingsRestrictedStockAmount

bah:RepurchaseOfStockToSatisfyTaxWithholdingsRestrictedStockAmount


Repurchase
Period End2021-06-302020-06-30
Value139.1
Percentage of RepurchaseOfStockToSatisfyTaxWithholdingsRestrictedStockAmount100.0100.0

bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage us-gaap:ContractWithCustomerBasisOfPricing

bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage

bah:CostReimbursableContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value56.0057.056.00.5600.570.570.5600.540.530.5200.50.520.51
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:FixedPriceContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19.0019.019.00.1800.20.20.2100.230.230.2300.240.230.24
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage33.90.033.333.932.10.035.135.137.50.042.643.444.20.048.044.247.1

us-gaap:TimeAndMaterialsContract


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value25.0024.025.00.2600.230.230.2300.230.240.2500.260.250.25
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage44.60.042.144.646.40.040.440.441.10.042.645.348.10.052.048.149.0

bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage us-gaap:ContractWithCustomerSalesChannel

us-gaap:SalesChannelDirectlyToConsumer


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value94.0093.093.00.9200.930.920.9200.920.920.9200.910.920.91
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage167.90.0163.2166.1164.30.0163.2161.4164.30.0170.4173.6176.90.0182.0176.9178.4

us-gaap:SalesChannelThroughIntermediary


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.007.07.00.0800.070.080.0800.080.080.0800.090.080.09
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage10.70.012.312.514.30.012.314.014.30.014.815.115.40.018.015.417.6

bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage us-gaap:MajorCustomers

bah:GlobalCommercialClients


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.003.03.00.030.010.040.030.0300.040.030.0300.040.030.02
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage3.60.05.35.45.40.07.05.35.40.07.45.75.80.08.05.83.9

bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage us-gaap:MajorCustomers, us-gaap:StatementGeographical

bah:CivilClients, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value30.0027.028.00.2900.260.280.2700.270.260.2700.270.260.27
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage53.60.047.450.051.80.045.649.148.20.050.049.151.90.054.050.052.9

bah:DefenseClients, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value49.0050.050.00.47-0.010.490.470.470.010.460.470.4600.450.460.47
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage87.50.087.789.383.90.086.082.583.90.085.288.788.50.090.088.592.2

bah:IntelligenceClients, country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19.0020.019.00.2100.210.220.23-0.010.230.240.2400.240.250.24
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage33.90.035.133.937.50.036.838.641.10.042.645.346.20.048.048.147.1

bah:RevenueFromContractWithCustomerExcludingAssessedTaxPercentage us-gaap:StatementGeographical

country:US


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value98.0097.097.00.97-0.010.960.970.9700.960.970.9700.960.970.98
Percentage of RevenueFromContractWithCustomerExcludingAssessedTaxPercentage175.00.0170.2173.2173.20.0168.4170.2173.20.0177.8183.0186.50.0192.0186.5192.2

bah:ShareRepurchasesIncurredButNotYetPaid

bah:ShareRepurchasesIncurredButNotYetPaid


Share
Period End2021-06-302020-06-302019-06-302018-06-302017-06-30
Value3.0410.3442.4233.3650.0
Percentage of ShareRepurchasesIncurredButNotYetPaid100.0100.0100.0100.00.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value1.1281.0941.1261.1061.071.0561.1741.4251.2191.2041.231.2581.361.3581.371.3431.2891.0991.1881.3132.0832.0832.1022.1022.0722.0442.0842.0735.3812.2382.2935.0672.0841.9282.099111.476
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value668
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition, us-gaap:SubsequentEventType

bah:LibertyITSolutionsLLC, us-gaap:SubsequentEvent


Business
Period End2021-05-03
Value725
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:CommonStockDividendsPerShareDeclared bah:DividendType

us-gaap:CommonStockDividendsPerShareDeclared

bah:OrdinaryCashDividend


Common
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-01-312013-10-292013-07-312013-05-222013-01-292013-01-312012-10-292012-10-312012-07-302012-07-312012-05-292012-05-312012-02-02
Value0.370.310.310.310.310.270.230.230.230.190.190.190.190.170.170.170.170.150.150.150.150.130.130.130.130.110.110.110.10.10.10.10.090.090.090.090.090.090.090.090.09
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByType

us-gaap:ConcentrationRiskPercentage1

us-gaap:GovernmentContractsConcentrationRisk


Concentration
Period End2020-12-312020-09-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value97.097.00.960.970.970.960.960.970.970.970.970.970.970.980.970.970.980.970.980.980.980.980.990.990.990.980.980.980.97
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:StatementGeographical, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

country:US, us-gaap:SalesRevenueNet, us-gaap:GovernmentContractsConcentrationRisk


Concentration
Period End2021-06-302020-06-30
Value98.097.0
Percentage of ConcentrationRiskPercentage10.00.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value110.81.72.5190.40.0361.7161.51.93.8180.91.60.811
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

bah:OfficerMedicalPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1016000.01060000.01059000.01059000.01059000.01215000.01214000.01215000.01215000.01283000.01283000.01282000.01282000.01252000.01252000.01252000.01252000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

bah:OfficerMedicalPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.6422.4752.4732.4732.4732.4542.4522.4542.4543.2983.2983.2973.2972.9362.9362.9362.936
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

bah:OfficerMedicalPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1626000.01415000.01414000.01414000.01414000.01239000.01238000.01239000.01239000.01488000.01488000.01488000.01488000.01116000.01116000.01116000.01116000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:DefinedContributionPlanCostRecognized


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value4344404041413636363732333234303031312827282727262829262727463640416354595962585559
Percentage of DefinedContributionPlanCostRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount


Defined
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value92222423842022197917161777151515701315156014151671141621121192143143273041146262841
Percentage of DefinedContributionPlanEmployerDiscretionaryContributionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2721212120202019201817161616161615
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash

us-gaap:DividendsCash


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value50514343434338323232272727
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value50514343434338323232272727
Percentage of DividendsCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value27000.0-157000.03504000.0-22000.0-3000.0-612000.0-579000.0-558000.0-23000.05872000.00-7000.0-401000.0246000.0723000.0-549000.0-174000.0-4553000.0-84000.0-33000.0-3000.0
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GuaranteeObligationsLiquidationProceeds us-gaap:GuaranteeObligationsByNature

us-gaap:GuaranteeObligationsLiquidationProceeds

us-gaap:FinancialStandbyLetterOfCredit


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value900000.0000900000.0000900000.00001000000.00200000.001200000.00001700000.00-200000.0-1000000.03000000.0
Percentage of GuaranteeObligationsLiquidationProceeds100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.00.0100.00.00.00.0100.00.0100.0100.0100.0

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss us-gaap:TaxPeriod

us-gaap:IncomeTaxExaminationEstimateOfPossibleLoss

bah:TaxYears20132015


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value110.00.00.0110.30.00.0110.0-0.10.011
Percentage of IncomeTaxExaminationEstimateOfPossibleLoss100.00.00.00.0100.0100.00.00.0100.00.0100.00.0100.0

bah:TaxYears20162021


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value38-1.17.20.032
Percentage of IncomeTaxExaminationEstimateOfPossibleLoss329.90.00.00.0277.8

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value121-157.393-28.2531035026-12.7745.4942944-17.855522866-38.184171.83243-13.3365.874-20.77655-14.269-12.337-24.15920-30.841-9.2-16.37854-32.204-10.0472631-56.0574.317-3.17366-46.83192.10944-3.44223-12.534
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-75.509-4.9455359-36.294163042-70.845212534-38.144-0.722126-36.2033.5742230-34.533-1.4731914-41.53-12.939-6.55824-48.869-47.0572422-72.4-25.0271936-58.245-35.0334834-83.804-15.4525063-88.764
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInIncomeTaxes


Increase
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value22-14.944163529-72.664425.941-35.45820
Percentage of IncreaseDecreaseInIncomeTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.159-6.211-5.9214.369-1.7-4.0376.7421.2641.047-22.788
Percentage of IncreaseDecreaseInOtherCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value-0.066-0.3265.16-1.496-0.054-0.0350.718-0.62350-54.459171.7038.9595.9962.943-5.5047.201-6.522-6.51315-18.496391.626139.0137.106-0.395-7.4843.0940.334-0.6962.0415.529-2.703-0.838-4.711
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities


Increase
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7.075-7.1047.113.255-0.3910.6880.8962.128.31-8.3748.321-5.0471.071107.9534.247104.0615.1225.638-40.827-26.0669.0562.727101.4540.203-2.5830.036-0.2492.404-5.507-0.8520.6771.5370.5773.3551.149-0.493-3.404-1.19714248.687
Percentage of IncreaseDecreaseInOtherNoncurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value8.8741.479-9.961-1.59811-1.097-2.0991.15615-48.936444.742.43-6.809-4.01-6.5493.24929-2.3079.541-36.2063.841-11.01-16.0961116-14.634-4.8934.51925-11.618-13.2754.9316-28.73931-29.6622.174-16.477.008-0.334-3.668164.438
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights

us-gaap:RestrictedStock


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value700000.00800000.0800000.0700000.0-300000.0700000.0700000.0700000.0-300000.0900000.0900000.0900000.0-500000.01300000.01400000.01100000.0-400000.01700000.01600000.01200000.0-300000.02100000.02000000.01600000.002200000.02200000.01700000.001300000.01400000.0600000.001200000.01200000.0800000.0
Percentage of IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:InterestPaid us-gaap:DebtInstrument

us-gaap:InterestPaid

bah:TrancheALoans


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.95.35.65.86.95012131310101011
Percentage of InterestPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:TrancheBLoans


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.81.81.91.92.2153.74.44.44.44.44.04.0
Percentage of InterestPaid36.734.033.932.831.931.630.831.733.142.741.939.636.4

us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value5.443-35.7735.415.364-4.441-2.6981.0810.046-0.3861.426-0.40.10.030.00.00.00.0
Percentage of InterestRateCashFlowHedgeGainLossReclassifiedToEarningsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2020212222232322
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1.0316.216-0.241-0.301-4.722-20.964.147-5.048-14.5797.09-6.7921.123
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-1.0313.735-0.241-0.301-4.722-25.824.147-5.048-14.579
Percentage of OciBeforeReclassificationsNetOfTaxAttributableToParent100.060.1100.0100.0100.0123.2100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1717171717181717
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value161718166.203151219
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-1394000.05050000.0-326000.0-408000.0-6387000.0-34903000.05617000.0-6837000.0-19748000.0-4660000.0-9202000.01522000.02568000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value3.013103.783.686-1.417-19.8444.962-4.998-14.9316.738-6.6111.4622.3272.3172.4150.237-0.1471.1410.4810.4570.457
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0192.4990.0220.0220.0224.8740.0170.0160.034100.4470.4240.407-1.2580.3630.3610.363
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent0.624.50.60.6-1.6-24.60.3-0.3-0.2157.5-6.829.017.5-54.315.0152.3-246.9

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2.9947.6823.7583.664-1.439-24.7184.945-5.014-14.965
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent99.475.599.499.4101.6124.699.7100.3100.2

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-19000.0-2499000.0-22000.0-22000.0-22000.0-4874000.0-17000.0-16000.0-34000.0-10609000.0-447000.0-424000.0-407000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1

us-gaap:OtherComprehensiveIncomeLossTaxPortionAttributableToParent1


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-400000.01400000.0-100000.0-100000.0-1700000.0-9100000.01500000.0-1800000.0
Percentage of OtherComprehensiveIncomeLossTaxPortionAttributableToParent1100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:AwardType, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:RestrictedStock, us-gaap:CommonClassA, us-gaap:SubsequentEvent


Payments
Period End2021-06-30
Value15
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-312013-03-312012-03-31
Value6650.00.00.020.0180.00.2042460.00.00.8510.5491.00.00.627230.00.0-0.0310.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.00.00.0100.00.0100.00.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.00.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5.7585.464.8564.6694.4234.1443.7943.6713.3783.1622.8772.6422.5852.5852.2942.2491.7791.7441.4781.5211.5711.6091.5021.4871.3791.3211.2111.2121.2761.2931.2491.2511.2851.4451.5691.6051.7541.9362.1262.2772.418-1.5932510.01.002
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-30
Value60
Percentage of ProceedsFromLinesOfCredit100.0

us-gaap:ProceedsFromLinesOfCredit us-gaap:DebtInstrument

us-gaap:RevolvingCreditFacility


Proceeds
Period End2021-06-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value600.00.00.00.0707060
Percentage of ProceedsFromLinesOfCredit100.00.00.00.00.00.00.00.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-03-312020-12-312020-03-312019-12-312019-03-312018-12-31
Value-943000.0-1055000.00-80000.0-747000.0-1000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.00.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2021-03-31
Value-236000.0
Percentage of ProceedsFromSaleOfProductiveAssets100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1.7941.5543.7013.3673.1251.4853.7531.5322.1552.7450.8293.2775.2652.173.6583.0043.2632.2095.6534.4872.3381.5632.9972.5310.8711.8270.2872.7771.2081.8471.4388.13.2351.7927.4014.9470.8370.0870.764.42.1020.00.2673.021.503
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-2.4-0.03-0.09-0.031.5-9.20.50.80.70.5100.040.3-0.22.20.8-0.1-0.10.20.70.81.1-2.12.9-0.013-0.008-0.527-0.4520.1-0.302-0.52.00.195-0.4970.150.74-1.41.22.30.601
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value0.0270.0290.0280.0290.0220.022
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value5.4435.415.3644.4411.0810.046
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax20159.318655.219157.115313.84913.6209.1

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value0.0190.0220.0220.0220.0170.016
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value4.0253.9993.9653.2830.7980.034
Percentage of ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax21184.218177.318022.714922.74694.1212.5

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-4044000.0-3965000.0-4021000.0-3987000.0-3305000.0-1116000.0-815000.0-50000.0352000.0352000.0-181000.0-339000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-19000.0-18000.0-22000.0-22000.0-22000.0-14000.0-17000.0-16000.0-34000.0-347000.0-447000.0-424000.0-407000.0-440000.0-363000.0-361000.0-363000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent0.50.50.50.60.71.32.132.0-9.7-98.6247.0125.10.00.00.00.00.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-4025000.0-3947000.0-3999000.0-3965000.0-3283000.0-1102000.0-798000.0-34000.0386000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent99.599.599.599.499.398.797.968.0109.7

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value8000.07000.06000.07000.05000.06000.0
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedGainLossNetCashFlowHedgeParent


Reclassification
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value1418000.01411000.01399000.01158000.0283000.012000.0
Percentage of ReclassificationFromAociCurrentPeriodTax17725.020157.123316.716542.95660.0200.0

us-gaap:RelatedPartyTransactionAmountsOfTransaction us-gaap:RelatedPartyTransaction, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionAmountsOfTransaction

bah:ServicesPerformedUnderSubcontractor, srt:AffiliatedEntity


Related
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value171921212318211524
Percentage of RelatedPartyTransactionAmountsOfTransaction100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebt

us-gaap:RepaymentsOfDebt


Repayments
Period End2021-06-302020-06-302019-06-302018-06-302017-06-302016-06-302015-06-302014-06-302013-06-302012-06-302011-06-302010-06-30
Value6011919751751751016811107.55.463
Percentage of RepaymentsOfDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value6.70617243.75106.6677.2412.44
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Share
Period End2021-06-302017-05-192017-05-172017-01-252016-10-262016-02-082015-07-292015-04-012014-11-032014-10-292014-06-232014-05-21
Value14.499.489.328.66.966.176.626.716.436.045.15.19
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value365000.0388000.01426000.01601000.02403000.02504000.02333000.02417000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross us-gaap:AwardType, us-gaap:PlanName

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationGross

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Stock
Period End2021-06-30
Value1.4
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross100.0

us-gaap:RestrictedStockUnitsRSU, bah:AmendedAndRestatedEquityIncentivePlan


Stock
Period End2021-06-30
Value52
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationGross3714.3

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.7941.5543.7013.3673.1251.4853.7531.5322.1552.7450.833.2765.265
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.0010.0010.0010.0020.0020.0010.0010.0010.0020.004
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.10.00.00.10.10.10.00.10.10.1

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.7931.5533.73.3663.1231.4833.7511.5312.1542.7420.8293.2745.261
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised99.999.9100.0100.099.999.999.999.9100.099.999.999.999.9

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementClassOfStock

us-gaap:TreasuryStockSharesAcquired

us-gaap:CommonClassA


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value1.22.20.30.40.92.10.3070.00.0931.51.70.91.01.90.83.51.01.2313880.0
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-03-312016-12-062016-07-112016-06-302016-04-182016-04-112016-04-012016-03-312015-12-312015-06-302015-06-082015-04-012015-03-312015-03-012014-09-122014-06-302014-05-212014-04-012014-03-312013-10-072013-09-132013-07-312013-07-152013-06-302013-04-02
Value111185273075155220.0578.286778341485.4761070.000380.0001814.5649162.8e-050.0002640.000584.1588060.0399513.970378300.0947430.3148670.0280643.637244.5123320.0724070.0471180.7739160.0773720.140260.1249450.0728462.3829890.137446
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:PlanName

bah:AmendedAndRestatedEquityIncentivePlan


Treasury
Period End2021-06-302020-06-302019-06-302017-06-302016-06-302015-06-30
Value139.12.44.64.64.1
Percentage of TreasuryStockValueAcquiredCostMethod11.912.129.00.0100.8103.3

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementClassOfStock

us-gaap:CommonClassA


Treasury
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value98273066220.05.971834144733012033440.0
Percentage of TreasuryStockValueAcquiredCostMethod88.199.899.887.999.80.071.291.9100.0100.192.00.00.00.00.0805.30.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value111185273075155220.0578.28677834148
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarnings


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value911971431351281391111131168913192103846970786554626765106556342526270454567695455386049627551
Percentage of UndistributedEarnings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsDiluted

us-gaap:UndistributedEarningsDiluted


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value911971431351281391111131168913192103846970786554626765106556342526270454567705455386049627551
Percentage of UndistributedEarningsDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic

us-gaap:RestrictedStock


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value200000.0900000.0600000.0500000.0400000.0-400000.0400000.0400000.0400000.0-400000.0700000.0400000.0500000.0-200000.0400000.0400000.0400000.0100000.0400000.0400000.0400000.0100000.01300000.0509000.0500000.0256000.0550000.00659000.000528000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted

us-gaap:RestrictedStock


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value200000.0900000.0600000.0500000.0400000.0-400000.0400000.0400000.0400000.0-400000.0700000.0400000.0500000.0-200000.0400000.0400000.0400000.0100000.0400000.0400000.0400000.0200000.01200000.0498000.0487000.0248000.0540000.00632000.000502000.0
Percentage of UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2.9653.0633.2813.5342.9763.1033.0162.562
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value0.8223751.0062990.8647341.018991.2606321.1170981.1246741.1660251.2658511.4201861.628251.8021832.153281.9278662.191462.392812.4723373.2116124.0195414.0141084.9016055.9817495.9712237.4008839.1932439.7909621011101011
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityCurrent us-gaap:BusinessAcquisition

bah:BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityCurrent

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value939000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityCurrent100.0

bah:BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityNoncurrent us-gaap:BusinessAcquisition

bah:BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityNoncurrent

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value1388000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetAcquiredAndLiabilityAssumedOperatingLeaseLiabilityNoncurrent100.0

bah:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset us-gaap:BusinessAcquisition

bah:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value2327000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOperatingLeaseRightOfUseAsset100.0

bah:DeferredTaxAssetsNetOperatingLossCapitalLossCarryforwards

bah:DeferredTaxAssetsNetOperatingLossCapitalLossCarryforwards


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value985.7414.573.3620.2460.2830.2630.5320.72137
Percentage of DeferredTaxAssetsNetOperatingLossCapitalLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:DeferredTaxAssetsOperatingLeaseLiability

bah:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2021-03-312020-03-312019-03-31
Value86860.0
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0100.00.0

bah:DeferredTaxAssetsTaxCreditCarryforwardsDomestic

bah:DeferredTaxAssetsTaxCreditCarryforwardsDomestic


Deferred
Period End2021-03-31
Value12
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsDomestic100.0

bah:DeferredTaxAssetsTaxCreditCarryforwardsState

bah:DeferredTaxAssetsTaxCreditCarryforwardsState


Deferred
Period End2021-03-312020-03-31
Value2719
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsState100.0100.0

bah:DeferredTaxLiabilitiesCurrentAccountsReceivableUnbilled

bah:DeferredTaxLiabilitiesCurrentAccountsReceivableUnbilled


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value24519913810514112210498112138
Percentage of DeferredTaxLiabilitiesCurrentAccountsReceivableUnbilled100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:DeferredTaxLiabilitiesInternallyDevelopedSoftware

bah:DeferredTaxLiabilitiesInternallyDevelopedSoftware


Deferred
Period End2021-03-312020-03-312019-03-312018-03-31
Value20158.1230.0
Percentage of DeferredTaxLiabilitiesInternallyDevelopedSoftware100.0100.0100.00.0

bah:DeferredTaxLiabilitiesOperatingLeaseRightofUseAsset

bah:DeferredTaxLiabilitiesOperatingLeaseRightofUseAsset


Deferred
Period End2021-03-312020-03-312019-03-31
Value62620.0
Percentage of DeferredTaxLiabilitiesOperatingLeaseRightofUseAsset100.0100.00.0

bah:DeferredTaxLiabilityChangeInAccountingPolicy us-gaap:IncomeTaxAuthority

bah:DeferredTaxLiabilityChangeInAccountingPolicy

us-gaap:DomesticCountry


Deferred
Period End2021-03-31
Value238
Percentage of DeferredTaxLiabilityChangeInAccountingPolicy100.0

bah:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour us-gaap:BusinessAcquisition

bah:FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value122
Percentage of FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour100.0

bah:FiniteLivedIntangibleAssetsNetExcludingAssetsNotYetPlacedinService

bah:FiniteLivedIntangibleAssetsNetExcludingAssetsNotYetPlacedinService


Finite
Period End2021-03-31
Value60
Percentage of FiniteLivedIntangibleAssetsNetExcludingAssetsNotYetPlacedinService100.0

bah:GuarantorObligationsAvailableAmount us-gaap:GuaranteeObligationsByNature

bah:GuarantorObligationsAvailableAmount

us-gaap:FinancialStandbyLetterOfCredit


Guarantor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1211109.6116.25.36.77.06.56.46.78.5109.13.93.13.12.14.45.05.21.34.13.94.9
Percentage of GuarantorObligationsAvailableAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:GuarantorObligationsFacility us-gaap:GuaranteeObligationsByNature

bah:GuarantorObligationsFacility

us-gaap:FinancialStandbyLetterOfCredit


Guarantor
Period End2021-03-312020-09-302020-06-302017-12-312017-09-302017-06-302017-03-312015-03-31
Value2020201510.010.010.020
Percentage of GuarantorObligationsFacility100.0100.0100.0100.0100.0100.0100.0100.0

bah:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour

bah:LesseeOperatingLeaseLiabilityToBePaidAfterYearFour


Lessee
Period End2020-12-312020-09-30
Value9692
Percentage of LesseeOperatingLeaseLiabilityToBePaidAfterYearFour100.0100.0

bah:LiabilityForUncertaintyInIncomeTaxes

bah:LiabilityForUncertaintyInIncomeTaxes


Liability
Period End2021-06-302021-03-312020-03-312019-03-31
Value66625611
Percentage of LiabilityForUncertaintyInIncomeTaxes100.0100.0100.0100.0

bah:LiabilityForUncertaintyInIncomeTaxesNoncurrentDeferredTaxes

bah:LiabilityForUncertaintyInIncomeTaxesNoncurrentDeferredTaxes


Liability
Period End2021-06-30
Value11
Percentage of LiabilityForUncertaintyInIncomeTaxesNoncurrentDeferredTaxes100.0

bah:LiabilityForUncertaintyInIncomeTaxesNoncurrentResearchAndDevelopmentTaxCredits

bah:LiabilityForUncertaintyInIncomeTaxesNoncurrentResearchAndDevelopmentTaxCredits


Liability
Period End2020-12-312020-09-30
Value5654
Percentage of LiabilityForUncertaintyInIncomeTaxesNoncurrentResearchAndDevelopmentTaxCredits100.0100.0

bah:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue

bah:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue


Sharebased
Period End2020-12-312020-09-302018-12-312018-09-30
Value5.2131.3093.226
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantsinPeriodFairValue100.0100.0100.0100.0

bah:UnrecognizedCompensationCostNext12Months

bah:UnrecognizedCompensationCostNext12Months


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value272218119.59213161011
Percentage of UnrecognizedCompensationCostNext12Months100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:UnrecognizedCompensationCostNext12Months us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value1.7981.8721.7661.4171.052.7122.6394.455
Percentage of UnrecognizedCompensationCostNext12Months6.58.49.612.510.919.415.643.6

bah:UnrecognizedCompensationCostNext12Months us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

us-gaap:RestrictedStock, bah:AnnualIncentivePlan, us-gaap:CommonClassA


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value2520169.918.54211145.7734.735
Percentage of UnrecognizedCompensationCostNext12Months93.591.690.487.589.180.684.456.439.9

bah:UnrecognizedCompensationCostYearFive

bah:UnrecognizedCompensationCostYearFive


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312014-03-312013-03-31
Value10000.016000.011000.002000.011000.050000.082000.0
Percentage of UnrecognizedCompensationCostYearFive100.0100.0100.00.0100.0100.0100.0100.0

bah:UnrecognizedCompensationCostYearFive us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312014-03-31
Value10000.016000.011000.002000.011000.050000.0
Percentage of UnrecognizedCompensationCostYearFive100.0100.0100.00.0100.0100.0100.0

bah:UnrecognizedCompensationCostYearFour

bah:UnrecognizedCompensationCostYearFour


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value167000.0235000.0182000.0176000.031000.0160000.0189000.0347000.0544000.0
Percentage of UnrecognizedCompensationCostYearFour100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:UnrecognizedCompensationCostYearFour us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value167000.0190000.0182000.0176000.031000.0160000.0123000.0347000.0
Percentage of UnrecognizedCompensationCostYearFour100.080.9100.0100.0100.0100.065.1100.0

bah:UnrecognizedCompensationCostYearThree

bah:UnrecognizedCompensationCostYearThree


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value1530000.0704000.0568000.0417000.0479000.0847000.02863000.01370000.01887000.0
Percentage of UnrecognizedCompensationCostYearThree100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:UnrecognizedCompensationCostYearThree us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value468000.0543000.0541000.0404000.0197000.0447000.0480000.01037000.0
Percentage of UnrecognizedCompensationCostYearThree30.677.195.296.941.152.816.875.7

bah:UnrecognizedCompensationCostYearThree us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

us-gaap:RestrictedStock, bah:AnnualIncentivePlan, us-gaap:CommonClassA


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value1062000.0161000.027000.013000.0282000.0400000.02383000.0333000.0272000.0
Percentage of UnrecognizedCompensationCostYearThree69.422.94.83.158.947.283.224.314.4

bah:UnrecognizedCompensationCostYearTwo

bah:UnrecognizedCompensationCostYearTwo


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value13108.5715.4012.685.2727.8824.4115.141
Percentage of UnrecognizedCompensationCostYearTwo100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:UnrecognizedCompensationCostYearTwo us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value0.9831.11.0010.8120.4970.9941.2332.36
Percentage of UnrecognizedCompensationCostYearTwo7.110.811.715.018.518.915.653.5

bah:UnrecognizedCompensationCostYearTwo us-gaap:AwardType, us-gaap:PlanName, us-gaap:StatementClassOfStock

us-gaap:RestrictedStock, bah:AnnualIncentivePlan, us-gaap:CommonClassA


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value129.1047.574.5892.1834.2786.6492.0511.702
Percentage of UnrecognizedCompensationCostYearTwo92.989.288.385.081.581.184.446.533.1

bah:UnrecognizedTaxBenefitsThatImpactDeferredTaxLiabilities

bah:UnrecognizedTaxBenefitsThatImpactDeferredTaxLiabilities


Unrecognized
Period End2021-03-31
Value11
Percentage of UnrecognizedTaxBenefitsThatImpactDeferredTaxLiabilities100.0

dei:EntityNumberOfEmployees

dei:EntityNumberOfEmployees


Entity
Period End2021-06-302021-03-312020-12-312020-09-302013-03-312012-12-31
Value28600.027700.027600.027600.024500.024800.0
Percentage of EntityNumberOfEmployees100.0100.0100.0100.0100.0100.0

dei:EntityPublicFloat

dei:EntityPublicFloat


Entity
Period End2020-09-30
Value11257
Percentage of EntityPublicFloat100.0

us-gaap:AccountsPayableTradeCurrent

us-gaap:AccountsPayableTradeCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-31
Value478371437452383432398398409417365377320339256298269268223233216246188198208215201232243265214248259248288
Percentage of AccountsPayableTradeCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value173614751484153015841522148913821469139113831225133511901104108511341051970940102094388688489987586383891593990799110181049100085910901101
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedBonusesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2813082452211483522511773442387604020776039167356321782613816756040208947412183
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedVacationCurrent

us-gaap:AccruedVacationCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value2112021912101961591261461471411171351371311121261291241021161201149711412011599115119117102116133136125134142143
Percentage of AccruedVacationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.4574.3334.3594.4523.9853.789121210111.2550.1140.0771.3822.7690.8690.00.0110.4560.9910.6560.160.5470.7220.3570.3960.2491.0051.4571.6831.9882.0280.1880.6910.7620.7280.799
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BilledContractReceivables

us-gaap:BilledContractReceivables


Billed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value571375456449526474503460530494543416497395427406442340364307387308352355365318395
Percentage of BilledContractReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByLiabilityClass, us-gaap:FairValueByMeasurementFrequency

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent

us-gaap:FairValueInputsLevel3, us-gaap:OtherNoncurrentLiabilities, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1200000.01200000.01200000.01200000.01200000.01200000.01200000.01200000.01200000.01200000.02000000.03300000.03300000.03600000.03600000.03600000.03600000.0750000.004500000.04500000.04500000.04500000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-31
Value1223000.01223000.01223000.01223000.01223000.01224000.01224000.01224000.01224000.01224000.01958000.03341000.03341000.03576000.03600000.03600000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent101.9101.9101.9101.9101.9102.0102.0102.0102.0102.097.9101.2101.299.30.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiabilityNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1223000.01223000.01223000.01223000.01223000.01224000.01224000.01224000.01224000.01224000.01958000.03341000.03341000.03576000.0
Percentage of BusinessCombinationContingentConsiderationLiabilityNoncurrent101.9101.9101.9101.9101.9102.0102.0102.0102.0102.097.9101.2101.299.3

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value3099000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value42
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value33
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value311
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value324
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

bah:LibertyITSolutionsLLC


Business
Period End2021-06-11
Value2124000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value11011032108510621051989935951907850809837798
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetCurrent

us-gaap:ContractWithCustomerAssetNetCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value110110379681022999988928873889846789749777738
Percentage of ContractWithCustomerAssetNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNetNoncurrent

us-gaap:ContractWithCustomerAssetNetNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6463636363626161616161605959
Percentage of ContractWithCustomerAssetNetNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2015232824263022202123222127
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-03-312020-03-312019-03-312018-03-31
Value2373210117781839
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

bah:TrancheALoans


Debt
Period End2021-03-312020-03-312019-03-312018-03-31
Value1289136310371094
Percentage of DebtInstrumentCarryingAmount54.364.958.359.5

bah:TrancheBLoans


Debt
Period End2021-03-312020-03-312019-03-312018-03-31
Value384388391395
Percentage of DebtInstrumentCarryingAmount16.218.522.021.5

us-gaap:RevolvingCreditFacility


Debt
Period End2021-06-242021-06-23
Value1000500
Percentage of DebtInstrumentCarryingAmount0.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

bah:SeniorNotesDue2029, us-gaap:SeniorNotes


Debt
Period End2021-06-30
Value500
Percentage of DebtInstrumentCarryingAmount0.0

bah:TrancheALoans, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-06-232021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-07-232018-07-222018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-05-062014-03-312013-03-31
Value12891289128913081326134513631382140014191037105110641479107910791094110911231138115311831183726741798661661706
Percentage of DebtInstrumentCarryingAmount0.00.054.30.00.00.064.90.00.00.058.30.00.00.00.00.059.50.00.00.00.00.00.00.00.00.00.00.00.0

bah:TrancheBLoans, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-11-262019-11-252019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312018-03-062017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-03-312014-05-062014-03-312013-03-31
Value383384385386387388389389389389390391392393394395395395396397398400400841841841100910091019
Percentage of DebtInstrumentCarryingAmount0.016.20.00.00.018.50.00.00.00.00.022.00.00.00.021.50.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Debt
Period End2021-03-312020-03-312019-03-312018-03-31
Value700350350350
Percentage of DebtInstrumentCarryingAmount29.516.719.719.0

us-gaap:DebtInstrumentInterestRateEffectivePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateEffectivePercentage

bah:SeniorNotesDue2029, us-gaap:SeniorNotes


Debt
Period End2021-06-30
Value4.0
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0

bah:TrancheALoans, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-31
Value1.591.611.651.650.01680.02490.0330.03540.0390.040.04020.03740.04090.03880.03570.03230.03220.02980.02740.02530.02940.02940.02820.02710.02690.02680.02660.02650.0265
Percentage of DebtInstrumentInterestRateEffectivePercentage39.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

bah:TrancheBLoans, us-gaap:SecuredDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-03-31
Value1.851.861.91.90.01930.02740.03550.04040.0440.0450.04520.04240.04090.03880.03680.03480.03340.03080.03490.03280.03750.03750.03750.03750.03750.03750.03750.03750.0375
Percentage of DebtInstrumentInterestRateEffectivePercentage46.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-03-31
Value2417181915151617181919201920-21.748-22.803-23.833-18.101-19.011-19.884-20.74
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-31
Value19141412125.97.06.76.83.22.93.13.10.00.028272622
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19141412125.8796.9776.7256.7583.1692.8593.2173.124
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent99.8100.0100.0100.199.999.699.7100.499.499.098.6103.8100.8

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19141412125.8796.9776.7256.7583.1692.8593.2173.124
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent99.8100.3100.0100.199.999.699.7100.499.499.098.6103.8100.8

us-gaap:DeferredCompensationPlanAssets

us-gaap:DeferredCompensationPlanAssets


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19141412125.97.06.76.83.22.93.23.1
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19141412125.8796.9776.7256.7583.1692.8593.2173.124
Percentage of DeferredCompensationPlanAssets99.8100.3100.0100.199.999.699.7100.499.499.098.6100.5100.8

us-gaap:DeferredCompensationPlanAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value19141412125.8796.9776.7256.7583.1692.8593.2173.124
Percentage of DeferredCompensationPlanAssets99.8100.3100.0100.199.999.699.7100.499.499.098.6100.5100.8

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

us-gaap:DeferredFinanceCostsGross

bah:SeniorNotesDue2028, us-gaap:SeniorNotes


Deferred
Period End2020-08-24
Value9200000.0
Percentage of DeferredFinanceCostsGross100.0

bah:SeniorNotesDue2029, us-gaap:SeniorNotes


Deferred
Period End2021-06-17
Value6500000.0
Percentage of DeferredFinanceCostsGross0.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value735357211168225206205208229233
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsDerivativeInstruments


Deferred
Period End2021-03-312020-03-312019-03-312018-03-31
Value9.955140.7520.0
Percentage of DeferredTaxAssetsDerivativeInstruments100.0100.0100.00.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value409273181165235228235229229218
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:StateAndLocalJurisdiction, bah:TaxYear2022AndThereafter


Deferred
Period End2021-03-31
Value11
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value3378000.01567000.03804000.01184000.06817000.04793000.07777000.06974000.05412000.03803000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value2838000.02779000.03041000.05963000.08860000.00
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value5236322841353640456.182
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value32323234484644313326
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value5.7246.9096.2657.785152025344657
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value78675953858592967861
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value1488000.01939000.03146000.03264000.04709000.03354000.04395000.06650000.01449000.04881000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value69646057788081808387
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value336120.9260.3980.0
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax


Defined
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312013-03-312012-03-31
Value3.46.6132.71.10.78.15.5
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

bah:OfficerMedicalPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value121119120126118114
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0100.0

bah:RetiredVicePresidentsBonusPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-03-312020-03-312019-03-312018-03-31
Value1.11.00.90.9
Percentage of DefinedBenefitPlanBenefitObligation0.90.80.70.7

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:TitleOfIndividual, us-gaap:RetirementPlanType

srt:Officer, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-03-312020-03-31
Value3.43.8
Percentage of DefinedBenefitPlanBenefitObligation2.83.2

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter


Defined
Period End2021-03-31
Value32
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2021-03-31
Value4057000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive


Defined
Period End2021-03-31
Value5485000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour


Defined
Period End2021-03-31
Value5062000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree


Defined
Period End2021-03-31
Value4790000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo


Defined
Period End2021-03-31
Value4434000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanName, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

bah:OfficerMedicalPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-03-31
Value-122.7-121.5-123.7-122.3-120.9-119.6-124.9-123.3-121.8-120.2-132.3-130.5-128.7-126.9-118.1
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

bah:RetiredOfficersBonusPlanandRetiredVicePresidentBonusPlan, us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-03-312020-03-312019-03-312018-03-312017-03-31
Value-4.5-4.8-4.6-4.7-5.4
Percentage of DefinedBenefitPlanFundedStatusOfPlan3.74.03.83.74.6

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue us-gaap:BalanceSheetLocation

us-gaap:DerivativeInstrumentsInHedgesLiabilitiesAtFairValue

us-gaap:OtherCurrentLiabilities


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-09-302017-06-30
Value1517181921186.56.14.00.90.70.3
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncurrentLiabilities


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-09-302017-06-30
Value1821303337371623194.30.50.8
Percentage of DerivativeInstrumentsInHedgesLiabilitiesAtFairValue115.8122.1161.3170.7176.4201.1256.9390.2477.5477.871.4266.7

us-gaap:DerivativeLiabilitiesCurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-30
Value1517181921186.5336.1014.0260.9290.5010.3540.7390.348
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesCurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-30
Value1517181921186.5336.1014.0260.9290.5010.3540.7390.348
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-30
Value1820293337371623194.3472.9340.00.5330.752
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-30
Value1820293337371623194.3472.9340.00.5330.752
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value337425414360301348320290251325297271240282276253227263258235205241242251236279292298280331374319299385409396316357392343314396
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value7543566558334047522733323617233026121721152025312527344031162125171925302326
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-03-31
Value4.2633.4264.234.9725.8863.7214.2444.995.8013.5013.2893.3543.5652.8092.8973.5224.1541.7772.2072.3742.9084.3244.35.9666.084.4755.8626.3847.0178.2499.8241112
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized5.67.97.57.510.111.110.510.511.112.69.810.29.716.212.611.715.713.912.410.819.021.317.019.224.316.016.915.622.450.345.943.062.3

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

us-gaap:RestrictedStock, bah:AmendedAndRestatedEquityIncentivePlan, us-gaap:CommonClassA


Employee
Period End2020-09-30
Value60
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized92.5

us-gaap:RestrictedStock, bah:AnnualIncentivePlan, us-gaap:CommonClassA


Employee
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value713951522936424624302933142026221115191215202518232834248.15711144.3026.7099.1113.14.255
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized94.392.192.489.988.889.689.588.987.490.189.890.283.987.488.384.386.187.689.281.078.783.080.875.784.083.184.477.649.754.157.024.934.436.037.313.116.0

us-gaap:FinancialLiabilitiesFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FinancialLiabilitiesFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19141412125.8796.9776.7256.7583.1692.8593.2173.1240.0
Percentage of FinancialLiabilitiesFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3438485358562329235.2763.4350.00.00.0
Percentage of FinancialLiabilitiesFairValueDisclosure173.4269.8341.9415.4476.7963.6333.0445.1342.4166.5120.10.00.00.0

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.2231.2231.2231.2231.2231.2241.2241.2241.2241.2241.9583.3413.3413.576
Percentage of FinancialLiabilitiesFairValueDisclosure6.28.68.69.59.920.817.518.218.138.668.5103.9106.90.0

us-gaap:FinancialLiabilitiesFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Financial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5553636772633137319.6698.2526.5586.4653.576
Percentage of FinancialLiabilitiesFairValueDisclosure279.6378.5450.5524.9586.61084.4450.6563.3460.6305.1288.6203.9206.90.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-12-312012-03-31
Value90807810745193179167157144139129
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

bah:CustomerRelationshipsAndOther


Finite
Period End2021-06-302021-03-31
Value5550
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization60.762.8

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2021-03-312020-03-312019-03-312018-03-31
Value29324641
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization37.241.443.492.2

us-gaap:OrderOrProductionBacklog


Finite
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-12-312012-03-31
Value50466045193179167157141136127
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization62.858.656.6100.0100.0100.0100.0100.098.198.098.1

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Finite
Period End2021-06-302021-03-31
Value3529
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization39.337.2

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2021-03-31
Value4865000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2021-03-31
Value17
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths us-gaap:BusinessAcquisition

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value66
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths0.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value42
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2021-03-31
Value4074000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2021-03-31
Value6.801
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour us-gaap:BusinessAcquisition

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value84
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour0.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2021-03-31
Value11
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree us-gaap:BusinessAcquisition

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value47
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree0.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2021-03-31
Value15
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo us-gaap:BusinessAcquisition

bah:LibertyITSolutionsLLC


Finite
Period End2021-06-30
Value56
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo0.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2021-06-302021-03-312020-03-312019-03-312018-03-312015-03-312014-03-312013-03-312012-03-31
Value510197189204174196187190163
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

bah:CustomerRelationshipsAndOther


Finite
Period End2021-06-302021-03-31
Value39382
Percentage of FiniteLivedIntangibleAssetsGross77.141.7

us-gaap:ComputerSoftwareIntangibleAsset


Finite
Period End2021-03-312020-03-312019-03-312018-03-31
Value1141018859
Percentage of FiniteLivedIntangibleAssetsGross58.353.443.333.8

us-gaap:OrderOrProductionBacklog


Finite
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-312012-03-31
Value8288115115274209196187187160
Percentage of FiniteLivedIntangibleAssetsGross41.746.656.766.20.00.0100.0100.098.598.3

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Finite
Period End2021-06-302021-03-31
Value116114
Percentage of FiniteLivedIntangibleAssetsGross22.958.3

us-gaap:GuaranteeObligationsCurrentCarryingValue us-gaap:GuaranteeObligationsByNature

us-gaap:GuaranteeObligationsCurrentCarryingValue

us-gaap:FinancialStandbyLetterOfCredit


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value8.89.810119.69.7109.28.99.59.69.37.46.37.37.38.08.69.67.36.76.65.56.14.15.32.4
Percentage of GuaranteeObligationsCurrentCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2021-03-312020-03-312013-03-312012-03-312011-03-31
Value175695.689460.0
Percentage of IncomeTaxesReceivable100.0100.0100.0100.00.0

us-gaap:IncomeTaxesReceivableNoncurrent

us-gaap:IncomeTaxesReceivableNoncurrent


Income
Period End2021-03-312020-03-31
Value33353
Percentage of IncomeTaxesReceivableNoncurrent100.0100.0

us-gaap:IncomeTaxesReceivableNoncurrent us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Income
Period End2021-03-31
Value273
Percentage of IncomeTaxesReceivableNoncurrent82.1

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value700387379394306465399386377377
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet


Interest
Period End2021-06-302020-12-312020-09-30
Value-15900000.0-18700000.0-20000000.0
Percentage of InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet100.0100.0100.0

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:InterestRateSwap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Interest
Period End2021-03-31
Value-17200000.0
Percentage of InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet0.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-03-312020-12-312020-09-30
Value687270
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2020-12-312020-09-30
Value1130
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-03-312017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-03-31
Value5653576559561111111.6491.58.011585858575757575757575755
Percentage of LiabilityForUncertainTaxPositionsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value1064718350725
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:DebtInstrument

bah:TrancheBLoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3643680.0375
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive34.351.30.051.7

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value700350350350
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive65.748.7100.048.3

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value77775763
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:DebtInstrument

bah:TrancheALoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value73735359
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths95.095.093.293.7

bah:TrancheBLoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.8913.8913.953.95
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths5.05.06.86.3

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.8913.89111973.95
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive us-gaap:DebtInstrument

bah:TrancheBLoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.8913.8913753.95
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0100.031.3100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.891114557920
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:DebtInstrument

bah:TrancheBLoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.8913.8913.953.95
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.00.36.80.4

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value1145775763
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:DebtInstrument

bah:TrancheALoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value1141735359
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree99.795.093.293.7

bah:TrancheBLoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.8913.8913.953.95
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree0.35.06.86.3

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value77775763
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument

bah:TrancheALoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value73735359
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo95.095.093.293.7

bah:TrancheBLoans


Long
Period End2021-03-312020-03-312019-03-312018-03-31
Value3.8913.8913.953.95
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo5.05.06.86.3

us-gaap:LossContingencyAccrualAtCarryingValue us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualAtCarryingValue

us-gaap:UnfavorableRegulatoryAction


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value272263248237232224217207202195185179173168171170178175197196192189208211206205200196189189
Percentage of LossContingencyAccrualAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-03-312020-12-312020-09-302020-03-31
Value4.644.664.754.69
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2021-03-312020-03-312019-03-312018-03-31
Value2.02.02.32.6
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2021-03-312020-03-312019-03-312018-03-31
Value4.62.41.90.8
Percentage of OperatingLossCarryforwards230.0120.082.630.8

us-gaap:StateAndLocalJurisdiction


Operating
Period End2021-03-312020-03-312019-03-31
Value911.30.4
Percentage of OperatingLossCarryforwards4595.065.017.4

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:StateAndLocalJurisdiction, bah:TaxYear2022AndThereafter


Operating
Period End2021-03-31
Value89
Percentage of OperatingLossCarryforwards4480.0

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherAssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value19141412125.8796.9776.7256.7583.1692.8593.2173.1240.0
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherAssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value19141412125.8796.9776.7256.7585.5738.66515137.9252.690.2260.258
Percentage of OtherAssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0175.9303.1470.9436.90.00.00.00.0

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value3348472822332623222825262827252529292423252124212620282429272929292726264744
Percentage of OtherEmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilitiesAndDeferredRevenueNoncurrent

us-gaap:OtherLiabilitiesAndDeferredRevenueNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value54511782022086313262752791485029404141287.0025.9553.9514.0818.3197.9218.6838.515
Percentage of OtherLiabilitiesAndDeferredRevenueNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-31
Value634492755941846854378066513577604731705643306251412943
Percentage of PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value127126127126125124129127126124136135133131127125124123122121120118
Percentage of PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PostemploymentBenefitsLiabilityNoncurrent

us-gaap:PostemploymentBenefitsLiabilityNoncurrent


Postemployment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-03-31
Value1010101010101111111111222222222222
Percentage of PostemploymentBenefitsLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7000670075008400630063006700760062005800
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligationPercentage

us-gaap:RevenueRemainingPerformanceObligationPercentage


Revenue
Period End2021-06-302021-03-312020-12-312020-09-30
Value70.070.075.075.0
Percentage of RevenueRemainingPerformanceObligationPercentage100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

bah:AmendedAndRestatedEquityIncentivePlan


Share
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-31
Value65.3750.7238.1932.3625.7123.021.0217.06
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Share
Period End2021-03-312015-03-312014-03-31
Value36.17.816.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Share
Period End2021-03-312015-03-31
Value50117
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 us-gaap:AwardType, us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Sharebased
Period End2021-03-312015-03-31
Value3985
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:EmployeeStockOption, bah:AmendedAndRestatedEquityIncentivePlan


Sharebased
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-312014-03-312013-03-31
Value11.6410.569.047.685.615.735.685.785.91
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1 us-gaap:StatementClassOfStock

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:CommonClassA


Stock
Period End2021-03-312020-03-312019-03-31
Value293173239
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0100.0100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1 us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-01-272021-01-262019-05-232019-05-222018-05-242018-05-232017-11-022017-01-252015-01-27
Value171013101310910910610610410180
Percentage of StockRepurchaseProgramAuthorizedAmount10.00.00.00.00.00.00.00.00.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2021-03-312020-03-312019-03-312018-03-31
Value591484258197
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-01-272019-05-232018-05-24
Value746658493
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount10.00.00.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-12-312015-03-312014-03-312013-03-312012-03-31
Value1200000.0900000.0400000.0200000.0100000.0100000.03200000.03300000.02400000.01300000.0387000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value625511111.41.4
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

us-gaap:ValuationAllowancesAndReservesBalance

bah:SECSchedule1209ValuationAllowanceAccountsReceivable


Valuation
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-31
Value1.4573.985100.0770.00.656
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.00.0100.0

us-gaap:ValuationAllowanceOfDeferredTaxAssets


Valuation
Period End2021-03-312020-03-312019-03-312018-03-312017-03-312016-03-312015-03-31
Value6.1654.2962.8531.3730.00.00.0
Percentage of ValuationAllowancesAndReservesBalance423.1107.826.71783.10.00.00.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:InterestExpenseDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:SecuredDebt')
Interest Expense Debtus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:InterestExpenseDebt
us-gaap:LongtermDebtType
(None,)
Interest Expense Debtus-gaap: Longterm Debt Type
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:MajorCustomers, us-gaap:StatementGeographical
(None, 'country:US')
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Major Customers, us-gaap: Statement Geographical
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ContractWithCustomerBasisOfPricing
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Contract With Customer Basis Of Pricing
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ContractWithCustomerSalesChannel
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Contract With Customer Sales Channel
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components