MGLN


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

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

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

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:LitigationSettlementExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:LitigationCase

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:MajorCustomers

us-gaap:InventoryNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherAssetsCurrent
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ReportingUnit

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

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

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DeferredFinanceCostsNoncurrentNet
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiability

us-gaap:StockholdersEquity
us-gaap:CumulativeEffectPeriodOfAdoption
us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:BusinessAcquisition
mgln:AffiliatePercentageOfConsolidatedRevenue

mgln:AffordableCareActFiscalYearAnnualFeesPaidDuringPeriod

mgln:AffordableCareActFiscalYearAnnualFeesPaidDuringPeriodContinuingOperations

mgln:DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations

mgln:DepreciationAndAmortizationContinuingAndDiscontinuedOperations

mgln:DirectServiceCostsAndOtherOperatingExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationCostAndExpenses
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationDivestitureRelatedExpenses
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarningsAmountDistributed
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationOverheadExpensesPreviouslyAllocated
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationStockCompensationExpense

mgln:FinanceLeaseCost

mgln:IncreaseDecreaseInCurrentContractLiabilities

mgln:IncreaseDecreaseInMedicalClaimsPayableAndOtherMedicalLiabilities

mgln:IncreaseDecreaseInNonCurrentContractLiabilities

mgln:IncreaseDecreaseInTaxContingencies

mgln:LeaseCostExcludingSubleaseIncome

mgln:OperatingNonOperatingIncomeExpense

mgln:PercentageIncreaseDecreaseInAccountsAndOtherReceivables

mgln:PercentageIncreaseDecreaseInContractAssets

mgln:PercentageIncreaseDecreaseInCurrentContractLiabilities

mgln:PercentageIncreaseDecreaseInNonCurrentContractLiabilities

mgln:ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:Ownership
mgln:RedeemableNoncontrollingInterestRightToExerciseCallOptionOnPercentageOfRemainingShares
us-gaap:Ownership
mgln:RedeemableNoncontrollingInterestThresholdPercentageOfRemainingSharesToBePurchasedIfRightToPutOptionIsExercised

mgln:RestructuringSettlementAndImpairmentProvisionsAndOther

mgln:ShareBasedPaymentArrangementNoncashExpenseContinuingAndDiscontinuedOperations

mgln:SharesRepurchasedOpenMarketPurchasesMadeShares

mgln:SharesRepurchasedValueExcludingBrokerCommissions

mgln:StockCompensationExpenseDiscontinuedOperations

us-gaap:AssetImpairmentCharges
us-gaap:RestructuringPlan
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles

us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerLiabilityRevenueRecognized
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentInterestRateDuringPeriod
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRedemptionPricePercentage
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DepreciationAndAmortizationDiscontinuedOperations
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue
us-gaap:MajorCustomers
us-gaap:MajorCustomers, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeaseRightOfUseAssetAmortization
us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:GainLossOnRepurchaseOfDebtInstrument

us-gaap:HealthCareOrganizationExpensesNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherDeferredLiability

us-gaap:IncreaseDecreaseInOtherOperatingAssets
us-gaap:AwardType
us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:BusinessAcquisition
us-gaap:IndefinitelivedIntangibleAssetsAcquired

us-gaap:InterestAndOtherIncome

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium

us-gaap:LeaseCost
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtWeightedAverageInterestRateOverTime

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:PaidInKindInterest

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:RestructuringSettlementAndImpairmentProvisions

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShortTermLeaseCost
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesNewIssues
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:VariableLeaseCost

dei:EntityCommonStockSharesOutstanding

mgln:AccountsNotesAndLoansReceivableCurrentAndNonCurrent

mgln:AccountsPayableRebatesCurrent
us-gaap:StatementScenario
mgln:BusinessCombinationContingentConsiderationEstimatedContingentPayments

mgln:CashHeldInBankAccounts

mgln:CustomerSettlementLiabilities

mgln:DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateYearTwo

mgln:DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateYearTwo

mgln:DebtSecuritiesAvailableForSaleRestrictedCurrent

mgln:DebtSecuritiesAvailableForSaleRestrictedNonCurrent

mgln:DeferredTaxAssetsIndirectTaxBenefits

mgln:DeferredTaxAssetsOperatingLeaseLiability

mgln:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsClaimsReserves

mgln:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationDeferredCreditsAndOtherLongTermLiabilities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarnings
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationInvestments
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationMedicalClaimsPayable
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationOtherIntangibleAssets
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationOtherMedicalLiabilities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationRestrictedInvestments
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
mgln:DisposalGroupIncludingDiscontinuedOperationTaxContingencies

mgln:EquityInRestrictedNetAssetsOfConsolidatedSubsidiariesAsPercentOfConsolidatedEquity

mgln:ExcessCapitalAndUndistributedEarningsIncludedInCashAndCashEquivalents

mgln:FinanceLeaseAssetGrossCost

mgln:LeaseLiability

mgln:LeaseLiabilityPaymentsDue

mgln:LeaseLiabilityPaymentsDueAfterYearFive

mgln:LeaseLiabilityPaymentsDueAfterYearFour

mgln:LeaseLiabilityPaymentsDueNextTwelveMonths

mgln:LeaseLiabilityPaymentsDueYearFive

mgln:LeaseLiabilityPaymentsDueYearFour

mgln:LeaseLiabilityPaymentsDueYearThree

mgln:LeaseLiabilityPaymentsDueYearTwo

mgln:LeaseLiabilityPaymentsRemainderOfFiscalYear

mgln:LeaseLiabilityUndiscountedExcessAmount

mgln:MedicalClaimsPayableCurrent

mgln:NoncontrollingInterestCallOptionPurchaseRemainingSharesPercentage

mgln:NoncontrollingInterestPutOptionPurchaseRemainingSharesPercentage

mgln:OtherMedicalLiabilitiesCurrent

mgln:RestrictedCashAndEquivalentsInvestmentsAndDeposits

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYear

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearDeferredTaxAssetsDecrease

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearIncomeTaxExpenseDecrease

mgln:WithholdingPayables

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

us-gaap:BankOverdrafts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiabilityNoncurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchasedFaceAmount

us-gaap:DeferredCreditsAndOtherLiabilitiesNoncurrent

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:FinanceLeaseLiability
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCredit
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:LongtermDebtWeightedAverageInterestRate

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority

us-gaap:OtherRestrictedAssetsCurrent

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount
us-gaap:Ownership

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:RestructuringPlan
us-gaap:RestructuringAndRelatedCostExpectedCost1

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:SeniorNotes
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:SharePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommonValue

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnsecuredDebt

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Inventory Net
NonCurrent Assets
Deferred Income Tax Assets Net
Liabilities
Operating Lease Liability
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Deferred Income Tax Liabilities Net
Stockholders Equity
Common Stock Value
CashFlow
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Businesses Net Of Cash Acquired
NetCashProvidedByUsedInFinancingActivities
Proceeds From Payments For Other Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██▇▇▆▆▅▅▅▄▃▃▃▃▃▂▁0.5590.5580.5550.5530.550.5460.5430.5410.5410.5370.5350.5350.5350.5340.530.5270.522NA0.52NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesIssued ██▇▇▆▆▅▅▄▄▃▃▃▃▂▂▁55.92755.78955.54955.26954.97254.63154.28554.13154.06353.69553.53653.52653.47553.39852.97352.72352.235NA51.993NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesOutstanding ██▇▆▅▄▄▃▃▂▂▃▃▄▂▂▁26.26526.12725.88725.60725.3124.96924.62324.46924.40124.03323.93524.25524.55524.62724.20224.04223.683NA23.517NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▃▃▂▂▂▂▂▂▂▁▁▂▂▂▂▂▁▁▁▁▂▂▂▂▃▃▃▃▄▄▄▄▃▄▄▄▄▄▄▅▆▇█▇▇█26.16226.55325.78125.44825.27824.86924.90524.70824.41624.21324.04824.92825.40725.61225.11324.56324.03824.03823.49324.00524.54624.49524.40224.89226.77626.39926.38227.24227.76528.05128.00827.70427.33827.64828.0228.04227.71727.74728.330.43831.90333.65634.7334.17133.835.074
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▂▂▂▂▃▃▃▃▄▄▄▄▄▄▄▄▄▄▄▅▆▇█▇▇█26.16225.94825.78125.44825.05424.72824.49124.42624.10123.94624.04824.43324.56924.34923.92123.28223.10823.01222.55623.05223.51623.63123.58224.89225.68425.31925.55826.70327.14427.3727.28526.9926.82927.1127.50527.52127.31727.19927.72429.931.30133.05133.97133.4533.32334.382
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▄▄0.30.3NA0.61.31.4NA1.11.11.2NA0.60.50.2NA0.40.80.6NA1.81.21.5NA1.40.81.0NA0.70.70.3NA0.91.21.7NA2.32.71.6NA1.11.11.3NA1.23.0NA
us-gaap:EarningsPerShareBasic ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▃▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▃▃▂▂▂▂▂▂▂▃▂▂-0.031.0710.430.463.330.740.840.870.560.02-1.161.110.550.472.281.390.240.771.561.110.170.561.16-0.310.180.290.841.020.180.940.681.751.171.031.352.410.990.761.071.051.091.040.971.341.060.74
us-gaap:EarningsPerShareDiluted ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▃▂▂▂▃▂▂▂▂▂▂▂▂▂▂-0.031.0410.430.463.30.730.830.860.560.02-1.161.090.530.452.171.320.230.741.51.060.160.541.12-0.310.170.280.821.00.180.920.671.71.151.011.322.360.970.751.051.031.071.020.951.311.050.73
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▃▆▁▂█▃▄▄▄-2.5e-071.1e-06-9.6e-07-6.800000000000001e-071.8799999999999998e-06-4e-083.9e-071.7000000000000001e-073e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▃▆▁▂█▃▄▄▄▃-2.5e-071.0700000000000001e-06-9.6e-07-6.800000000000001e-071.8600000000000002e-06-4e-083.8e-071.7000000000000001e-073e-07-3.4000000000000003e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AllocatedShareBasedCompensationExpense NANA6.75.87.06.0575.6684.8115.4149.62.0959.3210.4397.6467.26610.32311.371NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▃▂▂▃▃▂▂▂▂▂▂▂▃-0.49127.837268.60711.16684.16418.04920.41121.17614.0320.751-27.91827.33913.68311.13354.27732.4775.52217.72635.15325.3823.95613.47527.142-7.7554.557.35721.51327.0225.05625.76318.4747.34231.4127.98136.90966.38226.88820.96329.88230.97534.21234.39532.80245.064NANA
us-gaap:CostOfGoodsAndServicesSold ▄▃▆▆▅▂▁▂▁▃█▇▆▆▆▅▆▅520.514492.37559.14560.269528.067486.142465.614482.277461.187489.793593.793571.145558.419559.665563.24543.682562.355542.633NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▂▅▁▂▄▅█▃▄▃32.29975.12411.28234.08257.01374.849122.74245.63353.59745.562NANANANANANANANA102.16282.80556.89459.932102.2255.31753.16764.94783.20962.16644.99576.54955.91759.24875.04869.23377.71869.43164.8255.39563.21855.54375.91475.74761.19290.10378.498NA
us-gaap:IncomeLossFromContinuingOperations ▃▆▁▂█▃▄▄▄▃-6.46328.509-24.696-17.29647.108-1.079.4524.1217.215-8.191NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest -7.659NANANA10.78NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments NA39.414-36.331-19.62610.7834.83829.48629.14221.2190.97-27.51940.96118.37511.37750.38644.97510.58829.27562.24643.9413.92725.40464.524-15.01510.2811.32735.05122.28810.58849.99328.37936.57253.06647.16858.4249.53745.58435.32443.30936.18457.80657.36145.17272.92160.77643.534
us-gaap:IncomeTaxExpenseBenefit ▄▅▃▄▁▆▅▅▅▄▄▆▅▄▄▅▅▅▇▆▆▅█▄▅▅▆▄▅▇▅▃▆▆▆▃▆▆▆▅▇▆▅▇▇▆-1.19610.905-11.635-2.33-36.32816.5888.9027.8687.6060.5390.44813.8164.824-0.075-4.12311.7395.66111.80626.46918.63112.61512.01339.543-7.2545.9874.13315.305-3.496.26125.6139.888-10.6621.58619.1121.418-16.72518.61114.53413.574.82923.57523.06312.24428.13725.34818.015
us-gaap:InterestExpense ▆▆▆▆▇███████▇▇█▇▄▄▃▃▂▂▂▂▂▂▂▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁6.2346.4266.6267.2867.9959.0298.8989.0079.1419.1079.3628.998.6788.3669.2667.6634.94.1483.4133.0381.9941.7481.6481.6541.6531.6261.6682.8792.0040.8360.8090.7890.7920.610.5340.5370.5760.61.080.4570.4940.4710.4820.4820.5840.685
us-gaap:LitigationSettlementExpense █▁0.0-9.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LitigationSettlementExpense us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,mgln:PharmacyManagement█▁0.0-9.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LitigationSettlementExpense us-gaap:LitigationCase mgln:ArmedForcesServicesCorporationCivilInvestigationsAllegations4.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▃▂▂-0.66627.827268.93311.64783.50518.2520.58421.27413.6130.431-27.96727.14513.55111.45254.50932.4515.517.74735.17525.5093.95813.23727.29-7.8084.6437.28821.56527.1334.98625.7218.49147.23231.4828.058NANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▂█▂▄▂▂▂▂▂▁▂▂▂-0.66627.827268.93311.64783.50518.2520.58421.27413.6130.431-27.96727.14513.55111.452NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▁▂█▁▃▁▂▂-0.66627.827268.93311.64783.50518.2520.58421.274NANANANANANANANANANANANANANANANANANANANANANA18.49147.23231.4828.05837.00266.26226.97320.7929.73931.35534.23134.29832.92844.78435.42825.519
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted -0.666NA268.93311.64783.505NA20.58421.274NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▄▂▁█▃▃▃▇▆▄▅▅▂0.1750.01-0.326-0.4810.659-0.201-0.173-0.0970.4190.320.0490.1940.132-0.319NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▂▂▂▃▂▂▂▂▁▂▂▂▂▂▂▂▃▂▂-0.66627.827268.93311.64783.50518.2520.58421.27413.6130.431-27.96727.14513.55111.45254.50933.2364.92717.46935.77725.3091.31213.39124.981-7.7614.2937.19419.74625.7784.32724.3818.49147.23231.4828.058NANANANANANA34.23134.298NANA35.42825.519
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▄▄▄▄▃████▇████▇▅▅▅▄▅▄▄▄▄▄▃▃▂▂▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁1220.7681161.6491184.961170.1171100.0751794.3071802.6571828.9411788.3361739.4891844.6451853.5061810.9231805.0771694.4151419.4061419.1391305.6231263.3851292.1321164.3451117.0221268.7431190.0821157.607980.968982.459923.17888.014966.4751008.21873.598842.748821.761830.274798.437805.473773.213721.464686.843698.338692.755749.21750.319741.658728.053
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇████▇▇▇▇▇▇▇▇▇▇▆▅▅▅▄▄▃▃▄▄▄▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁▂3217.9293236.5073359.8553381.023351.2033224.9113092.1733141.7213077.7913071.1572979.0563048.5153139.7593091.7372957.2342662.1142459.6432443.0612443.6872269.0542201.3972059.5532069.062143.7062163.512129.72094.1572075.2471866.6881817.8731759.2181634.9971553.8861557.8271512.1331479.2021408.7041364.1611341.1671371.6571430.8421462.4661549.432NANANA
us-gaap:Liabilities ▅▅▆███▇███▇▇██▇▆▅▅▅▅▄▄▄▄▄▄▃▃▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁1260.4341293.6361456.8211801.8681808.2341793.3081694.391779.2491743.5211777.7671693.7531716.7641820.9891786.6081680.741454.7061311.9861307.0961339.1981224.0921112.127966.518996.941060.2521000.837959.854954.642923.584686.869632.43592.179516.268500.456526.041494.8486.214503.996491.428495.893492.092474.172479.405510.417NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇████▇▇▇▇▇▇▇▇▇▇▆▅▅▅▄▄▃▃▄▄▄▄▄▃▃▂▂▂▂▂▁▁▁▁▁▁▁▂3217.9293236.5073359.8553381.023351.2033224.9113092.1733141.7213077.7913071.1572979.0563048.5153139.7593091.7372957.2342662.1142459.6432443.0612443.6872269.0542201.3972059.5532069.062143.7062163.512129.72094.1572075.2471866.6881817.8731759.2181634.9971553.8861557.8271512.1331479.2021408.7041364.1611341.1671371.6571430.8421462.4661549.432NANANA
us-gaap:StockholdersEquity ██▇▄▄▃▂▂▂▁▁▂▁▁▁1923.8211909.5681869.9721579.1521542.9691431.6031397.7831362.4721334.271293.391285.3031331.7511318.771305.1291276.494NANANA1099.719NANANA1066.183NANANA1133.558NANANA1156.4851118.7291053.431031.7861017.333992.988904.708872.733845.274879.565NANA1039.015NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▇▇▇██▆▅▅▅▅▅▅▅▅▄▅▄▄▄▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁▁▁▁▂2015.032023.2642156.3972291.232252.1281807.0241673.0431660.9721584.6011573.0551547.1671576.5451668.1491618.8461483.3531541.9341343.3051329.3291319.2671156.7591209.6851066.8541097.6821179.3061169.8411191.6111167.5491130.84956.7741057.226989.358985.753891.012901.228871.418850.05793.551762.28732.709759.114809.367818.111858.487NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▅▃█▁▁▃▂▃▂▂▂▂▂▃▃▃▂▂▂678.507456.3091144.45152.05160.419383.963325.249376.703260.352233.401272.308234.264246.109394.326398.732504.764281.333273.587304.508NANANA249.029NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▇▇▆▇▇██▇▇▇▇▇▇▆▆▅▅▆▅▄▄▄▄▄▄▃▃▃▃▂▂▁▂▁▁▁▁▁▁▁▂▁▁826.997793.504743.502769.159753.065923.716890.065812.741810.431779.863756.059820.748839.773748.06660.775622.431628.539634.102606.764497.947506.98446.514428.644417.141407.984354.75353.713302.682301.869202.767238.185157.248165.378146.376138.253121.472120.178133.712121.606114.436183.028112.141106.934NANANA
us-gaap:InventoryNet ▂▄▃▂▂▃▄▄▄▄▃▃▅▂▃▅▇█▇██▆▅▃▃▁▂▃▃▄▅▄▅▄▄▃▂▃▂38.78946.38943.33437.63736.69442.33344.96248.37345.61147.15140.81844.03550.33337.87840.94548.94159.73862.37458.99561.17462.99555.8750.74944.65242.29434.60539.37540.89944.27747.10549.60947.40749.87747.73145.72741.56938.35443.06939.567NANANA27.91NANANA
us-gaap:OtherAssetsCurrent █▅▄▅▄▆▄▄▅▅▅▅▆▆▃▂▄▂▂▃▄▃▂▅▄▄▂▃▄▃▂▂▂▂▁▂▂▁▁▃▅▄▄145.156101.46284.26495.66680.375106.8278.27887.09896.52999.90895.4102.829119.164108.87272.32352.89673.25952.71751.50769.78475.80867.82846.92199.52881.63477.48352.24667.17272.73262.65648.26848.24446.86940.40338.59543.00642.80432.29437.79572.4692.4280.18279.671NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingImprovementsNANA12.027NANANA18.546NANANA18.954NANANA17.974NANANA16.817NANANA13.655NANANA13.416NANANA12.074NANANA7.285NANANA5.037NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:EquipmentNANA188.954NANANA200.238NANANA201.343NANANA204.632NANANA204.743NANANA207.667NANANA185.391NANANA180.54NANANA168.4NANANA150.874NANANA141.427NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareDevelopmentNANA626.186NANANA570.989NANANA527.129NANANA486.013NANANA446.619NANANA396.794NANANA351.978NANANA304.146NANANA261.833NANANA224.19NANANA195.223NANANA
 us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareDevelopmentNANA88.3NANANA69.2NANANA71.7NANANA79.6NANANA88.2NANANA84.8NANANA85.6NANANA78.8NANANA71.1NANANA62.0NANANA61.9NANANA
us-gaap:Goodwill ▆▆▆▅▅██████████▅▅▅▅▄▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▁873.83873.83873.779806.421806.4211018.1561018.1561018.1561018.1561018.1561018.1561015.0761014.3211013.3131006.288745.947745.997742.775742.054716.922634.613634.474621.39623.907623.827574.847566.106566.106557.425488.203488.206426.939426.939426.939426.939426.939426.939426.939426.939426.939426.939426.939426.939NANANA
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill NANA1.55NANANA30.42NANANA30.42NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▂▂▃▂▂▅▅▅▆▇▇▇▇██▅▅▅▆▅▄▄▄▄▅▄▄▄▄▂▂▁▁▁▁▁▁▁▁▂▂▂▂64.4171.63179.68952.36262.33153.095167.344181.777196.368218.209231.883245.516243.646256.293268.288156.351165.102177.054186.232149.504116.012128.012133.374141.046149.113131.779133.718140.313146.98568.38669.69428.07230.34732.62234.93537.32539.71442.10344.58947.26849.84452.52153.997NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass mgln:CustomerAgreementsAndListsNANA74.68NANANA132.05NANANA178.617NANANA223.011NANANA176.12140.094NANA125.995NANANA127.602133.792139.883NA63.508NANANA30.942NANANA40.102NANANA50.325NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass mgln:ProviderNetworksAndOtherNANA3.459NANANA4.874NANANA22.846NANANA10.977NANANA6.2326.38NANA7.379NANANA6.1166.5217.102NA6.186NANANA3.993NANANA4.487NANANA3.672NANANA
us-gaap:OperatingLeaseRightOfUseAsset ██▄▁31.99832.05323.54517.453NANA50.4651.54552.86256.008NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇▇▅▄▆▅█▇▆▂▄▃▂▂▃▂▂▂▄▃▂▁▂▂▂▂▂▁▁▁▂▂▁▁▁▁▁▁▁▁▁▁120.046119.947108.79767.69260.7796.38982.7129.086107.43190.99724.5351.39130.90921.48922.56740.62126.84515.70912.72561.23838.73620.56611.20712.72913.63213.46811.57511.6019.9629.8887.19715.05215.4279.2969.739.1619.73810.14810.95210.03610.5745.2072.396NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▇█▇▇▅▆▅▅▄▄▄▄▄▄▄▄▄▅▅▄▄▅▅▅▃▃▄▄▄▂▃▁▁▁▁▁▁▁▁▁▁▂▂132.298149.76137.38122.0299.199104.35988.41592.36275.43675.04172.07773.14476.45873.08474.366.5370.73582.38595.63579.00971.4482.6286.484100.52658.00353.70763.92965.38263.56335.74242.85315.9312.14617.58917.08114.75917.56417.44718.6919.24914.42724.20431.878NANANA
us-gaap:AccruedIncomeTaxesCurrent NANA56.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccruedLiabilitiesCurrent ▄▆█▅▄▇▆▇▆▆▅▄▆▅▄▃▄▃▄▄▃▃▃▅▃▃▃▂▃▃▂▂▁▁▂▁▁▁▂▂▁▁▂208.322266.217354.906235.152187.286320.826284.024307.21260.98260.954231.356209.012268.258246.909193.635173.701179.053165.632202.176196.929171.102152.516139.726227.915159.132142.888154.931121.408144.588173.372134.652107.1974.64687.252100.77892.88687.91381.328106.809108.83692.89387.335105.776NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▁▁▁▂▃▄▁▁▁▁▂▂██▂6.8916.9686.77212.07125.76938.6876.7287.4527.8098.07116.85321.53675.55279.25114.299NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▄▄▅██▇▆▇▆▇▆▆▇▇▆▄███▅▄▄▅▅▄▃▃▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁629.63662.209737.5791100.8791098.2311030.182910.147978.424925.127943.858898.893918.5711023.096985.701892.303675.911076.3191063.4081092.85765.346647.082697.833724.235755.718629.839587.303585.84537.745525.248517.488476.267417.453371.353399.178393.202389.118369.736362.027369.55365.137347.445353.932390.169NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃▂█▁10.93910.59714.5269.762NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType mgln:CreditAgreement2017,us-gaap:UnsecuredDebt▁█154.4158.8NA267.5271.9NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType mgln:SeniorNotesDue20244.400Percent,us-gaap:SeniorNotes▁▁▁▁▁▁▆██359.7359.7359.6359.6359.6359.6388.4399.4399.3NA399.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DebtAndCapitalLeaseObligations ▁▂██524.694533.225638.376641.401NANA682.616NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredFinanceCostsNoncurrentNet NANA4.24.54.95.25.76.16.56.85.96.16.06.36.68.31.2NA1.4NANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:DebtInstrument,us-gaap:LongtermDebtType mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility,us-gaap:UnsecuredDebt▁▅█3.53.94.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ▅▅▇▇▇▇▇▇████████▁▁▁▄▄▁▁▂▂▂▂▂521.518526.682631.855637.093641.95647.624679.125695.164712.65722.925728.608733.969734.503736.688740.888745.543201.148207.549214.686419.198426.175231.98238.295246.04249.264252.065255.742258.868NANA23.72NANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▅▁17.63413.6027.102NANA23.23517.03415.08811.99811.10511.16712.80210.92811.1712.298NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇█▂▁32.8833.62624.92323.99NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ██▇▄▄▃▂▂▂▁▁▂▁▁▁1923.8211909.5681869.9721579.1521542.9691431.6031397.7831362.4721334.271293.391285.3031331.7511318.771305.1291276.494NANANA1099.719NANANA1066.183NANANA1133.558NANANA1156.4851118.7291053.431031.7861017.333992.988904.708872.733845.274879.565NANA1039.015NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ███▅▅▄▄▄▃▃▃▃▃▃▃▂▂▂▁▁▁▁▁▁▂▂▂▂▂▂▂1923.8211909.5681869.9721579.1521542.9691431.6031397.7831362.4721334.271293.391285.3031331.7511318.771305.1291276.4941202.7041143.7381131.4731099.7191040.7941084.9021086.9441066.1831075.2081154.4751161.2981133.5581144.4631171.2641176.2291156.485NANANA1017.333NANANANANA956.67983.0611039.015NANANA
us-gaap:CommonStockValue ██▇▇▆▆▅▅▅▄▃▃▃▃▃▂▁0.5590.5580.5550.5530.550.5460.5430.5410.5410.5370.5350.5350.5350.5340.530.5270.522NA0.52NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdditionalPaidInCapitalCommonStock ████▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁1503.7181488.9751477.2191455.0091429.9951402.7971386.6161371.7181364.6931337.8491326.6451324.1761311.3161296.5361274.8111248.9931212.4271200.3091186.2831162.6131150.7561140.6991124.0131110.5231095.7721070.3361018.266994.728973.611933.274922.325890.932872.977861.804848.238837.511815.616810.53804.035794.845782.891757.033725.322NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▆▆▆▆▅▅▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▁▁▁1884.2911884.9571857.131588.1961576.5491493.0441475.2071454.6231433.3481419.7351419.4491447.4161420.2711406.721399.4951344.9861312.5351307.0351289.2881254.0141228.5051224.5471211.311184.021191.8281187.1851179.8971158.3321131.1991126.2131100.4931082.0021034.771003.29975.232938.23871.968844.995824.205794.466763.111728.88694.582NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▇▁▅▇▅▃▅█▅▄▅█▅▁1.586-2.765-0.2652.0370.0-1.1360.02.2090.0-0.446-0.0752.4290.0-3.051NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▄▅▄▄▅▄▄▃▄▇▁▆▇▅▅▇█▇▇▆▇▆6.3537.0576.5965.8396.9586.0575.6694.8115.4149.6072.0679.3210.4397.67.31610.311.410.19.8229.29.58.9NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▁█▄▆▄▂▆▃▄▆▃▁▅▄▅▄▂▅▅-64.81-77.875218.80961.109139.11731.726-28.577115.064-6.06535.424130.82712.894-59.90981.03249.593108.84434.958-31.12274.259111.677NANANANANANANANANANANANANANANANANANANANA-31.15629.268NANA65.91760.272
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▁█▃▃▃▃▄▄▃▃▄▃▃▂▃▃▃▃▃285.349-509.462897.355-50.191-140.22-28.005-18.3734.47921.378-56.98-24.46339.966-100.547-43.389-249.252-31.47-14.937-20.731-81.236-152.829NANANANANANANANANANANANANANANANANANANANA25.39-117.121NANA-29.325-3.912
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▁▄▂▄▅▄▃▄▃▂▂▄▃▇█▄▄▆▃1.659-100.80410.061-65.34913.43254.993-4.507-33.19211.638-17.351-68.32-64.70512.239-42.04993.627146.057-12.27520.93291.846-18.507NANANANANANANANANANANANANANANANANANANANA-67.6-94.618NANA-12.772-46.599
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▁█▄▄▄▄▄▄▄▄▄▃▄▃▅▄▄222.198-688.141992.4-8.369-14.04758.714-51.454116.35126.951-38.90738.044-11.845-148.217-4.406-106.032223.4317.746-30.921NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit NANA18.8112.906-37.2457.8022.4853.5411.276-0.25-3.5391.914-0.1620.062-28.821-0.64-0.51-1.011.7121.4282.108-0.538-25.9812.305-1.06-2.263-5.1042.371NANANANANANANANANANANANANANANANANANA
us-gaap:DepreciationDepletionAndAmortization ▄▄▅▅▄▆▇█▇▇█▇█▆▇▆▆▅▆▅▅▅▆▅▅▄▅▄▄▃▄▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁22.52521.41726.41124.7323.88828.68433.15434.15733.4930.70835.35833.04733.84830.40732.8128.18927.73126.97628.57426.88525.5825.00727.60526.72125.02223.49624.40523.95622.4820.22921.22417.65416.94616.1715.31615.23915.15214.78115.33515.06914.26713.95213.07513.9514.23513.422
us-gaap:IncreaseDecreaseInAccountsReceivable ▅▆▁▆▄▆▇▄▅▅▂▄█▇▅▄▄▅█▃▇▅▅▅▆▄▆▅▆▃▅▄▅▅▅▄▄▅▅▂▇▅▅▄▄▄25.49350.013-95.7654.147-8.75633.29179.7382.71727.7423.804-61.609-18.44692.17287.17827.371-8.32-5.8427.699102.163-42.50460.89213.53810.9669.36433.489-1.42555.1123.7450.595-34.84321.573-8.1319.0028.35917.0150.824-13.53412.1067.17-68.59270.8876.1447.017-12.7241.6810.764
us-gaap:IncreaseDecreaseInInventories ▂▅▅▄▃▃▃▅▄▅▃▃▇▃▂▂▄▅▄▄▆▅▅▅▆▃▄▃▃▃▄▃▄▄▅▅▃▅▆▁▄█-7.63.0555.6970.943-5.639-2.629-3.4112.762-1.546.333-3.217-6.29812.455-3.067-7.996-10.797-2.1913.379-2.179-1.8217.1255.1216.0972.3587.689-4.77-1.524-3.378-2.828-2.5042.202-2.472.1462.0044.1583.215-4.7153.5027.96-13.42-0.76117.878NANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▅▅▅▆▅▆▅▅▅▅▆▆▅▆▆▅▅▆▅▆▆▆▅▆▆▆▅▅▆▆▆▅▅▅▅▅▆▆▆█▄▃▁▇▄▅-1.321-1.067-0.5960.676-0.2160.505-0.533-0.547-0.261-0.1110.076-0.024-0.1590.090.115-0.574-0.0570.421-0.1090.080.011-0.034-0.197-0.0220.0450.003-0.184-0.2830.0950.051.417-2.13-1.523-0.521-1.436-0.9240.0540.2161.6585.745-2.776-6.47-10.4744.328-2.453-2.001
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▁█▄▆▄▂▆▃▄▆▃▁▅▄▅▄▂▅▅-64.81-77.875218.80961.109139.11731.726-28.577115.064-6.06535.424130.82712.894-59.90981.03249.593108.84434.958-31.12274.259111.677NANANANANANANANANANANANANANANANANANANANA-31.15629.268NANA65.91760.272
us-gaap:NetIncomeLoss ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▂▂▂▂▂▂▂▂▁▂▂▂▂▂▂▂▃▂▂-0.66627.827268.93311.64783.50518.2520.58421.27413.6130.431-27.96727.14513.55111.45254.50932.4515.517.74735.17525.5093.95813.23727.29-7.8084.6437.28821.56527.1334.98625.7218.49147.23231.4828.058NANANANANANANANANANANANA
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▂█▂▄▂▂▂▂▂▁▂▂▂-0.66627.827268.93311.64783.50518.2520.58421.27413.6130.431-27.96727.14513.55111.452NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▂▂█▂▄▂▂▂▂▂▁▂▂▂▃▂▂▂▃▂▂▂▂▁▂▂▂▂▂▂▂▃▂▂-0.66627.827268.93311.64783.50518.2520.58421.27413.6130.431-27.96727.14513.55111.45254.50933.2364.92717.46935.77725.3091.31213.39124.981-7.7614.2937.19419.74625.7784.32724.3818.49147.23231.4828.058NANANANANANA34.23134.298NANA35.42825.519
us-gaap:ShareBasedCompensation ▃▄▄▃▄▃▃▃▃▅▁▅▆▄▄▆▆▆▅▅▅▅▅▇███▇▅▂▃▂▂▃▂▂▂▃▂▂▂▃▂▂▂▂6.3537.0577.3415.4426.5926.0575.6694.8115.4149.6072.0679.3210.4397.6467.28210.32311.37110.149.8499.1769.518.8879.79112.89713.79513.90114.60111.9619.554.4726.4884.5244.6025.6383.8484.4684.3655.1024.014.4254.2054.7783.2723.5963.7064.528
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▁█▃▃▃▃▄▄▃▃▄▃▃▂▃▃▃▃▃285.349-509.462897.355-50.191-140.22-28.005-18.3734.47921.378-56.98-24.46339.966-100.547-43.389-249.252-31.47-14.937-20.731-81.236-152.829NANANANANANANANANANANANANANANANANANANANA25.39-117.121NANA-29.325-3.912
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▆▆▅█▄▄▅▄▂▅▃▅▆▄▄▄▂▅▃▄▄▅▅▄▇▂▆▇▂█▄▄▂▅▄█▄▄▂▅▁▃▁▂▁15.56519.5419.47417.70122.58615.71916.16816.4315.16212.64217.03114.11217.6319.50214.52915.90615.85810.93916.53613.82314.91115.61116.9816.95116.25721.39611.7418.5920.94811.05922.45115.05615.65311.38216.516.17222.37214.50515.92611.77516.60310.0913.96110.5211.67610.005
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▁▄▂▄▅▄▃▄▃▂▂▄▃▇█▄▄▆▃1.659-100.80410.061-65.34913.43254.993-4.507-33.19211.638-17.351-68.32-64.70512.239-42.04993.627146.057-12.27520.93291.846-18.507NANANANANANANANANANANANANANANANANANANANA-67.6-94.618NANA-12.772-46.599
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value559000.0558000.0555000.0553000.0550000.0546000.0543000.0541000.0541000.0537000.0535000.0535000.0535000.0534000.0530000.0527000.0522000.0520000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value555555555454545454535353535352525251
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value262625252524242424242324242424242323
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value55555555545454545453535251
Percentage of CommonStockSharesOutstanding212.9213.5214.6215.8217.2218.8220.5221.2221.6223.4223.7218.9221.1

us-gaap:TreasuryStockCommon


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-29.662-29.662-29.662-29.662-29.662-29.662-29.662-29.662-29.662-29.662-29.601-28.771-28.476
Percentage of CommonStockSharesOutstanding-112.9-113.5-114.6-115.8-117.2-118.8-120.5-121.2-121.6-123.4-123.7-118.9-121.1

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26262525252424242424242425252524242423242424242426262627272828272727282827272830313334343335
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value26252525252424242423242424242323232322232323232425252526272727262627272727272729313333333334
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value300000.0300000.0600000.01300000.01400000.01100000.01100000.01200000.0600000.0500000.0200000.0400000.0800000.0600000.01800000.01200000.01500000.01400000.0800000.01000000.0700000.0700000.0300000.0900000.01200000.01700000.02300000.02700000.01600000.01100000.01100000.01300000.01200000.03000000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.031.0710.430.463.330.740.840.870.560.02-1.161.110.550.472.281.390.240.771.561.110.170.561.16-0.310.180.290.841.020.180.940.681.751.171.031.352.410.990.761.071.051.091.040.971.341.060.74
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.031.0410.430.463.30.730.830.860.560.02-1.161.090.530.452.171.320.230.741.51.060.160.541.12-0.310.170.280.821.00.180.920.671.71.151.011.322.360.970.751.051.031.071.020.951.311.050.73
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Basic Share

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare

us-gaap:IncomeLossFromContinuingOperationsPerBasicShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-0.251.1-0.96-0.681.88-0.040.390.170.3
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.251.07-0.96-0.681.86-0.040.380.170.3-0.34
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.75.87.06.0575.6684.8115.4149.62.0959.32107.6467.2661011
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.60.50.60.30.30.30.30.60.10.50.60.40.40.70.8

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-0.491272681184182021140.751-27.91827131154325.5221735253.9561327-7.7554.557.35721275.056251847312736662620293034343245
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.02.422.71.07.71.01.11.20.80.0-1.51.50.80.63.22.30.41.42.82.00.31.22.1-0.70.40.72.22.90.62.71.85.43.73.44.48.33.32.74.14.54.95.04.46.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value520492559560528486465482461489593571558559563543562542
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax42.642.447.247.948.027.125.826.425.828.232.230.830.831.033.238.339.641.6

us-gaap:CostOfGoodsAndServicesSold us-gaap:ConsolidationItems

mgln:CorporateAndEliminations


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3.419-3.223-5.154-4.852-4.618-51.432-46.985-46.223-44.016-40.414-47.05-47.318-45.532-45.248-36.129-31.645-33.091-29.204
Percentage of CostOfGoodsAndServicesSold-0.7-0.7-0.9-0.9-0.9-10.6-10.1-9.6-9.5-8.3-7.9-8.3-8.2-8.1-6.4-5.8-5.9-5.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.3-0.3-0.4-0.4-0.4-2.9-2.6-2.5-2.5-2.3-2.6-2.6-2.5-2.5-2.1-2.2-2.3-2.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax mgln:CorporateAndEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, mgln:PharmacyManagement


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value523495564565532537512528505530
Percentage of CostOfGoodsAndServicesSold100.7100.7100.9100.9100.9110.6110.1109.6109.5108.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax42.942.747.648.348.430.028.428.928.230.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments mgln:PharmacyManagement0.00.00.00.00.00.00.00.00.00.0

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value32751134577412245534510282565910255536483624476555975697769645563557575619078
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.66.51.02.95.24.26.82.53.02.68.16.44.95.48.14.64.66.68.56.75.17.95.56.88.98.49.48.78.07.28.88.110.910.98.212.010.6

us-gaap:GrossProfit us-gaap:ConsolidationItems

mgln:CorporateAndEliminations


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312016-12-312016-09-302015-12-312015-09-30
Value-10.537-9.927-26.04-18.564-17.063-8.17515-16.009-18.331-7.724-8.884-9.418-7.869-5.041
Percentage of GrossProfit-32.6-13.2-230.8-54.5-29.9-10.913.0-35.1-34.2-17.0-8.7-11.4-7.7-9.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.9-0.9-2.2-1.6-1.6-0.50.9-0.9-1.0-0.4-0.7-0.7-0.6-0.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax mgln:CorporateAndEliminations0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:OperatingSegments, mgln:HealthcareSegment


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value29411721606270264144
Percentage of GrossProfit91.655.0154.862.3106.783.057.757.576.798.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.43.61.51.85.53.53.91.42.32.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments mgln:HealthcareSegment0.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, mgln:PharmacyManagement


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1343193113203535308.29
Percentage of GrossProfit41.058.2176.092.223.227.929.377.557.518.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.13.81.72.71.21.22.01.91.70.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments mgln:PharmacyManagement0.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations

us-gaap:IncomeLossFromContinuingOperations

us-gaap:IncomeLossFromContinuingOperations


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-6.46328-24.696-17.29647-1.079.4524.1217.215-8.191
Percentage of IncomeLossFromContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.52.5-2.1-1.54.3-0.10.50.20.4-0.5

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302020-06-30
Value-7.65910
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.61.0

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 End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value39-36.331-19.62610342929210.97-27.519401811504410296243132564-15.01510113522104928365347584945354336575745726043
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 RevenueFromContractWithCustomerIncludingAssessedTax3.4-3.1-1.71.01.91.61.61.20.1-1.52.21.00.63.03.20.72.24.93.41.22.35.1-1.30.91.23.62.41.25.22.84.26.35.77.06.25.74.66.05.38.38.36.09.78.26.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.19610-11.635-2.33-36.328168.9027.8687.6060.5390.448134.824-0.075-4.123115.661112618121239-7.2545.9874.13315-3.496.261259.888-10.66211921-16.7251814134.829232312282518
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.10.9-1.0-0.2-3.30.90.50.40.40.00.00.70.3-0.0-0.20.80.40.92.11.41.11.13.1-0.60.50.41.6-0.40.72.71.0-1.22.62.32.6-2.12.31.91.90.73.43.31.63.83.42.5

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.2346.4266.6267.2867.9959.0298.8989.0079.1419.1079.3628.998.6788.3669.2667.6634.94.1483.4133.0381.9941.7481.6481.6541.6531.6261.6682.8792.0040.8360.8090.7890.7920.610.5340.5370.5760.61.080.4570.4940.4710.4820.4820.5840.685
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.60.60.60.70.50.50.50.50.50.50.50.50.50.50.50.30.30.30.20.20.20.10.10.10.20.20.30.20.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Litigation Settlement Expense

us-gaap:LitigationSettlementExpense

us-gaap:LitigationSettlementExpense


Litigation
Period End2021-06-302021-03-31
Value0-9000000.0
Percentage of LitigationSettlementExpense0.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.0-0.8

us-gaap:LitigationSettlementExpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:PharmacyManagement


Litigation
Period End2021-06-302021-03-31
Value0-9000000.0
Percentage of LitigationSettlementExpense0.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.0-0.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:OperatingSegments mgln:PharmacyManagement0.00.0

us-gaap:LitigationSettlementExpense us-gaap:LitigationCase

mgln:ArmedForcesServicesCorporationCivilInvestigationsAllegations


Litigation
Period End2021-06-30
Value4300000.0
Percentage of LitigationSettlementExpense0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax mgln:ArmedForcesServicesCorporationCivilInvestigationsAllegations0.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.666272681183182021130.431-27.96727131154325.51735253.9581327-7.8084.6437.28821274.9862518473128
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.20.80.0-1.51.50.70.63.22.30.41.42.82.00.31.22.2-0.70.40.72.22.90.62.71.85.43.73.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.666272681183182021130.431-27.967271311
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.20.80.0-1.51.50.70.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.66627268118318202118473128376626202931343432443525
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.21.85.43.73.44.58.33.32.74.14.64.95.04.46.04.83.5

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value-0.66626811832021
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.122.71.07.61.11.2

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value175000.010000.0-326000.0-481000.0659000.0-201000.0-173000.0-97000.0419000.0320000.049000.0194000.0132000.0-319000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.0-0.0-0.00.1-0.0-0.0-0.00.00.00.00.00.0-0.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value175000.010000.0-326000.0-481000.0659000.0-201000.0-173000.0-98000.0419000.0320000.049000.0194000.0132000.0-319000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0101.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.0-0.0-0.00.1-0.0-0.0-0.00.00.00.00.00.0-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-06-302011-03-312010-06-302010-03-31
Value-0.666272681183182021130.431-27.96727131154334.9271735251.3121324-7.7614.2937.19419254.327241847312834343525
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.20.80.0-1.51.50.70.63.22.30.31.32.82.00.11.22.0-0.70.40.72.02.80.52.51.85.43.73.44.95.04.83.5

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12201161118411701100179418021828178817391844185318101805169414191419130512631292116411171268119011579809829238889661008873842821830798805773721686698692749750741728
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32173236335933813351322430923141307730712979304831393091295726622459244324432269220120592069214321632129209420751866181717591634155315571512147914081364134113711430146215491441
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12601293145618011808179316941779174317771693171618201786168014541311130713391224111296699610601000959954923686632592516500526494486503491495492474479510490
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets39.240.043.453.354.055.654.856.656.657.956.956.358.057.856.854.653.353.554.853.950.546.948.249.546.345.145.644.536.834.833.731.632.233.832.732.935.836.037.035.933.132.832.934.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value32173236335933813351322430923141307730712979304831393091295726622459244324432269220120592069214321632129209420751866181717591634155315571512147914081364134113711430146215491441
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value192319091869157915421431139713621334129312851331131813051276109910661133115611181053103110179929048728458791039950908
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.859.055.746.746.044.445.243.443.442.143.143.742.042.243.245.051.554.165.768.467.866.267.367.164.264.063.064.167.166.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value-0.413-0.413-0.413-0.412-0.144-0.145-0.144-4.227
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.3
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value-0.413-0.413-0.413-0.412-0.144-0.145-0.144-4.227
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.3
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-0.02-0.195-0.2050.1210.602-0.0570.1440.3170.415-0.004-0.324-0.373-0.567-0.699-0.38-0.175-0.262-0.143-0.093-0.035-0.150.0090.1140.172
Percentage of StockholdersEquity-0.0-0.0-0.00.00.0-0.00.00.00.0-0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0
Percentage of Assets-0.0-0.0-0.00.00.0-0.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value150314881477145514291402138613711364133713261324131112961274118611241018922848804725614589
Percentage of StockholdersEquity78.278.079.092.192.798.099.2100.7102.3103.4103.299.499.499.399.9107.9105.489.879.883.495.169.864.664.9
Percentage of Assets46.746.044.043.042.743.544.843.744.343.644.543.441.841.943.148.554.348.652.456.160.046.842.60.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value0.5590.5580.5550.5530.550.5460.5430.5410.5410.5370.5350.5350.5350.5340.530.520.5130.5010.4740.4590.4530.4370.410.409
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1884188418571588157614931475145414331419141914471420140613991289121111791100975824694555449
Percentage of StockholdersEquity97.998.799.3100.6102.2104.3105.5106.8107.4109.8110.4108.7107.7107.8109.6117.2113.6104.195.295.997.566.958.549.5
Percentage of Assets58.658.255.347.047.046.347.746.346.646.247.647.545.245.547.352.858.556.362.664.561.544.838.60.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockCommon


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1461.002-1440.003-1412.785-1397.962-1397.962-1376.197-1269.391-1064.963-866.714
Percentage of StockholdersEquity-76.1-76.7-78.3-92.8-94.9-102.3-104.8-107.5-109.8-113.2-113.7-108.1-107.1-107.1-109.5-125.1-119.1-93.9-74.9
Percentage of Assets-45.5-45.3-43.6-43.3-43.7-45.4-47.4-46.6-47.6-47.7-49.0-47.2-45.0-45.2-47.3-56.3-61.4-50.9-49.3
Percentage of Assets us-gaap:TreasuryStockCommon0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value20152023215622912252180716731660158415731547157616681618148315411343132913191156120910661097117911691191116711309561057989985891901871850793762732759809818858753
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets62.662.564.267.867.256.054.152.951.551.251.951.753.152.450.257.954.654.454.051.055.051.853.155.054.156.055.854.551.358.256.260.357.357.957.657.556.355.954.655.356.655.955.452.3

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value6784561144152160383325376260233272234246394398504281273304249
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.114.134.14.54.811.910.512.08.57.69.17.77.812.813.519.011.411.212.512.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value826793743769753923890812810779756820839748660622628634606497506446428417407354353302301202238157165146138121120133121114183112106114
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.724.522.122.722.528.628.825.926.325.425.426.926.724.222.323.425.626.024.821.923.021.720.719.518.916.716.914.616.211.213.59.610.69.49.18.28.59.89.18.312.87.76.97.9

us-gaap:AccountsReceivableNetCurrent us-gaap:ConsolidationItems

mgln:CorporateAndEliminations


Accounts
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-31
Value5.1660.480.1512105.2184.6332.69
Percentage of AccountsReceivableNetCurrent0.70.10.01.91.71.01.10.8
Percentage of Assets0.20.00.00.40.40.20.20.1
Percentage of Assets mgln:CorporateAndEliminations0.00.00.00.00.00.00.00.0

us-gaap:AccountsReceivableNetCurrent us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value229410290244
Percentage of AccountsReceivableNetCurrent30.846.238.437.0
Percentage of Assets6.813.39.88.3
Percentage of Assets us-gaap:OperatingSegments mgln:HealthcareSegment0.00.00.00.0

us-gaap:OperatingSegments, mgln:PharmacyManagement


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value509478465403
Percentage of AccountsReceivableNetCurrent68.553.861.561.1
Percentage of Assets15.215.515.613.7
Percentage of Assets us-gaap:OperatingSegments mgln:PharmacyManagement0.00.00.00.0

us-gaap:AccountsReceivableNetCurrent us-gaap:MajorCustomers

mgln:CentersForMedicareAndMedicaidServices


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value415569126114115117154131128131139119118131
Percentage of AccountsReceivableNetCurrent5.07.09.416.415.212.513.219.016.316.517.316.914.315.819.9
Percentage of Assets1.31.72.13.73.43.63.84.94.34.24.44.63.83.84.4
Percentage of Assets mgln:CentersForMedicareAndMedicaidServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value38464337364244484547404450374048596258616255504442343940444749474947454138433927
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.41.31.11.11.31.51.51.51.51.41.41.61.21.41.82.42.62.42.72.92.72.52.12.01.61.92.02.42.62.82.93.23.13.02.82.73.23.01.8

us-gaap:InventoryNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:PharmacyManagement


Inventory
Period End2020-12-312019-12-312018-12-312017-12-31
Value43444040
Percentage of InventoryNet100.0100.0100.0100.0
Percentage of Assets1.31.51.41.4
Percentage of Assets us-gaap:OperatingSegments mgln:PharmacyManagement0.00.00.00.0

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1451018495801067887969995102119108725273525169756746998177526772624848464038434232377292807962
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.53.12.52.82.43.32.52.83.13.33.23.43.83.52.42.03.02.22.13.13.43.32.34.63.83.62.53.23.93.42.73.03.02.62.62.93.02.42.85.36.55.55.14.4

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:BuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value12181817161313127.2855.037
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.60.60.60.70.70.60.70.50.4
Percentage of Assets us-gaap:BuildingImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value188200201204204207185180168150141
Percentage of PropertyPlantAndEquipmentGross1571.11079.71062.31138.51217.51520.81381.91495.32311.62995.30.0
Percentage of Assets5.66.56.86.98.410.08.910.311.111.29.1
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SoftwareDevelopment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value626570527486446396351304261224195
Percentage of PropertyPlantAndEquipmentGross5206.53078.82781.12704.02655.82905.92623.62519.03594.14450.90.0
Percentage of Assets18.618.517.716.418.319.216.817.317.316.712.6
Percentage of Assets us-gaap:SoftwareDevelopment0.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:SoftwareDevelopment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8869717988848578716261
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.22.42.73.64.14.14.54.74.64.0
Percentage of Assets us-gaap:SoftwareDevelopment0.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8738738738068061018101810181018101810181015101410131006745745742742716634634621623623574566566557488488426426426426426426426426426426426426426
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.227.026.023.924.131.632.932.433.133.234.233.332.332.834.028.030.330.430.431.628.830.830.029.128.827.027.027.329.926.927.826.127.527.428.228.930.331.331.831.129.829.227.629.6

us-gaap:Goodwill us-gaap:BusinessAcquisition

mgln:AureliaHealthLlc


Goodwillus-gaap:
Period End2020-12-21
Value67
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets mgln:AureliaHealthLlc0.0

us-gaap:Goodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value478622622610
Percentage of Goodwill54.761.261.260.7
Percentage of Assets14.220.120.920.7
Percentage of Assets us-gaap:OperatingSegments mgln:HealthcareSegment0.00.00.00.0

us-gaap:OperatingSegments, mgln:PharmacyManagement


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value395395395395
Percentage of Goodwill45.338.838.839.3
Percentage of Assets11.812.813.313.4
Percentage of Assets us-gaap:OperatingSegments mgln:PharmacyManagement0.00.00.00.0

us-gaap:Goodwill us-gaap:ReportingUnit

mgln:BehavioralAndSpecialty


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-31
Value478410410
Percentage of Goodwill54.740.440.4
Percentage of Assets14.213.313.8
Percentage of Assets mgln:BehavioralAndSpecialty0.00.00.0

mgln:PharmacyManagement


Goodwillus-gaap:
Period End2020-12-312020-09-302020-06-302019-12-312018-12-31
Value395395395395395
Percentage of Goodwill45.349.149.138.838.8
Percentage of Assets11.811.711.812.813.3
Percentage of Assets mgln:PharmacyManagement0.00.00.00.00.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill


Indefinite
Period End2020-12-312019-12-312018-12-31
Value1.553030
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0
Percentage of Assets0.01.01.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6471795262153167181196218231245243256268156165177186149116128133141149131133140146686928303234373942444749525364
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.02.22.41.51.94.75.45.86.47.17.88.17.88.39.15.96.77.27.66.65.36.26.46.66.96.26.46.87.93.84.01.72.02.12.32.52.83.13.33.43.53.63.54.5

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Intangible
Period End2020-12-312019-12-312018-12-312017-12-31
Value39105136165
Percentage of IntangibleAssetsNetExcludingGoodwill49.563.258.961.6
Percentage of Assets1.23.44.65.6
Percentage of Assets us-gaap:OperatingSegments mgln:HealthcareSegment0.00.00.00.0

us-gaap:OperatingSegments, mgln:PharmacyManagement


Intangible
Period End2020-12-312019-12-312018-12-312017-12-31
Value406182103
Percentage of IntangibleAssetsNetExcludingGoodwill50.536.835.438.4
Percentage of Assets1.22.02.83.5
Percentage of Assets us-gaap:OperatingSegments mgln:PharmacyManagement0.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

mgln:CustomerAgreementsAndLists


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value7413217822317614012512713313963304050
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.24.36.07.57.26.26.16.16.47.53.62.03.03.2
Percentage of Assets mgln:CustomerAgreementsAndLists0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

mgln:ProviderNetworksAndOther


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value3.4594.87422106.2326.387.3796.1166.5217.1026.1863.9934.4873.672
Percentage of FiniteLivedIntangibleAssetsNet4.63.712.84.93.54.65.94.84.95.19.712.911.27.3
Percentage of Assets0.10.20.80.40.30.30.40.30.30.40.40.30.30.2
Percentage of Assets mgln:ProviderNetworksAndOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312019-01-01
Value313223175051525659
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.01.00.70.51.61.61.71.82.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12011910867609682129107902451302122402615126138201112131311119.9629.8887.19715159.2969.739.1619.738101010105.2072.3962.703
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.73.73.22.01.83.02.74.13.53.00.81.71.00.70.81.51.10.60.52.71.81.00.50.60.60.60.60.60.50.50.40.91.00.60.60.60.70.70.80.70.70.40.20.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1321491371229910488927575727376737466708295797182861005853636563354215121717141717181914243127
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.64.13.63.03.22.92.92.52.42.42.42.42.42.52.52.93.43.93.53.24.04.24.72.72.53.13.23.42.02.41.00.81.11.11.01.21.31.41.41.01.72.11.9

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2020-12-31
Value56
Percentage of AccruedIncomeTaxesCurrent100.0
Percentage of Assets1.7

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2082663542351873202843072602602312092682461931731791652021961711521392271591421541211441731341077487100928781106108928710593
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.58.210.67.05.69.99.29.88.58.57.86.98.58.06.56.57.36.88.38.77.87.46.810.67.46.77.45.97.79.57.76.64.85.66.76.36.26.08.07.96.56.06.86.5

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.8916.9686.7721225386.7287.4527.8098.0711621757914
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.40.81.20.20.20.30.30.60.72.42.60.5

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6296627371100109810309109789259438989181023985892675107610631092765647697724755629587585537525517476417371399393389369362369365347353390369
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.620.522.032.632.831.929.431.130.130.730.230.132.631.930.225.443.843.544.733.729.433.935.035.329.127.628.025.928.128.527.125.523.925.626.026.326.226.527.626.624.324.225.225.6

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value1010149.762
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0
Percentage of Assets0.30.30.40.3

Long Term Debt

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

us-gaap:LongTermDebt

mgln:CreditAgreement2017, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-09-302020-06-30
Value154158267271
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets4.84.97.98.1
Percentage of Assets mgln:CreditAgreement2017 us-gaap:UnsecuredDebt0.00.00.00.0

mgln:SeniorNotesDue20244.400Percent, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value359359359359359359388399399399
Percentage of LongTermDebt233.0226.50.0134.4132.30.00.00.00.00.0
Percentage of Assets11.211.110.710.610.711.212.612.713.013.4
Percentage of Assets mgln:SeniorNotesDue20244.400Percent us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.0

Debt And Capital Lease Obligations

us-gaap:DebtAndCapitalLeaseObligations

us-gaap:DebtAndCapitalLeaseObligations


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value524533638641682
Percentage of DebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0
Percentage of Assets16.316.519.019.022.1

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredFinanceCostsNoncurrentNet


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value4200000.04500000.04900000.05200000.05700000.06100000.06500000.06800000.05900000.06100000.06000000.06300000.06600000.08300000.01200000.01400000.0
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.20.20.20.20.20.20.20.20.20.20.30.00.1

us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:DebtInstrument, us-gaap:LongtermDebtType

mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility, us-gaap:UnsecuredDebt


Deferred
Period End2021-06-302021-03-312020-12-31
Value3500000.03900000.04200000.0
Percentage of DeferredFinanceCostsNoncurrentNet0.00.0100.0
Percentage of Assets0.10.10.1
Percentage of Assets mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility us-gaap:UnsecuredDebt0.00.00.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value52152663163764164767969571272272873373473674074520120721441942623123824624925225525823
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.216.318.818.819.220.122.022.123.223.524.524.123.423.825.128.08.28.58.818.519.411.311.511.511.511.812.212.51.3

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17137.10223171511111112101112
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.20.70.60.50.40.40.40.40.30.40.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value32332423
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0
Percentage of Assets1.01.00.70.7

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value43443933
Percentage of OperatingLeaseLiability100.0100.0100.0100.0
Percentage of Assets1.41.41.21.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312009-12-312008-12-31
Value192319091869157915421431139713621334129312851331131813051276109910661133115611181053103110179929048728458791039950908
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.859.055.746.746.044.445.243.443.442.143.143.742.042.243.245.051.554.165.768.467.866.267.367.164.264.063.064.167.166.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption

srt:CumulativeEffectPeriodOfAdoptionAdjustment


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value-0.413-0.413-0.413-0.412-0.144-0.145-0.144-4.227
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.3
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment0.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:StatementEquityComponents

srt:CumulativeEffectPeriodOfAdoptionAdjustment, us-gaap:RetainedEarnings


Stockholders
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-31
Value-0.413-0.413-0.413-0.412-0.144-0.145-0.144-4.227
Percentage of StockholdersEquity-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.3
Percentage of Assets-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1
Percentage of Assets srt:CumulativeEffectPeriodOfAdoptionAdjustment us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value-0.02-0.195-0.2050.1210.602-0.0570.1440.3170.415-0.004-0.324-0.373-0.567-0.699-0.38-0.175-0.262-0.143-0.093-0.035-0.150.0090.1140.172
Percentage of StockholdersEquity-0.0-0.0-0.00.00.0-0.00.00.00.0-0.0-0.0-0.0-0.0-0.1-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0
Percentage of Assets-0.0-0.0-0.00.00.0-0.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value150314881477145514291402138613711364133713261324131112961274118611241018922848804725614589
Percentage of StockholdersEquity78.278.079.092.192.798.099.2100.7102.3103.4103.299.499.499.399.9107.9105.489.879.883.495.169.864.664.9
Percentage of Assets46.746.044.043.042.743.544.843.744.343.644.543.441.841.943.148.554.348.652.456.160.046.842.60.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value0.5590.5580.5550.5530.550.5460.5430.5410.5410.5370.5350.5350.5350.5340.530.520.5130.5010.4740.4590.4530.4370.410.409
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1884188418571588157614931475145414331419141914471420140613991289121111791100975824694555449
Percentage of StockholdersEquity97.998.799.3100.6102.2104.3105.5106.8107.4109.8110.4108.7107.7107.8109.6117.2113.6104.195.295.997.566.958.549.5
Percentage of Assets58.658.255.347.047.046.347.746.346.646.247.647.545.245.547.352.858.556.362.664.561.544.838.60.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStockCommon


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1464.727-1461.002-1440.003-1412.785-1397.962-1397.962-1376.197-1269.391-1064.963-866.714
Percentage of StockholdersEquity-76.1-76.7-78.3-92.8-94.9-102.3-104.8-107.5-109.8-113.2-113.7-108.1-107.1-107.1-109.5-125.1-119.1-93.9-74.9
Percentage of Assets-45.5-45.3-43.6-43.3-43.7-45.4-47.4-46.6-47.6-47.7-49.0-47.2-45.0-45.2-47.3-56.3-61.4-50.9-49.3
Percentage of Assets us-gaap:TreasuryStockCommon0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value192319091869157915421431139713621334129312851331131813051276120211431131109910401084108610661075115411611133114411711176115610179569831039950908908
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.859.055.746.746.044.445.243.443.442.143.143.742.042.243.245.246.546.345.045.949.352.851.550.253.454.554.155.162.764.765.767.366.967.267.166.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value559000.0558000.0555000.0553000.0550000.0546000.0543000.0541000.0541000.0537000.0535000.0535000.0535000.0534000.0530000.0527000.0522000.0520000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value150314881477145514291402138613711364133713261324131112961274124812121200118611621150114011241110109510701018994973933922890872861848837815810804794782757725
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets46.746.044.043.042.743.544.843.744.343.644.543.441.841.943.146.949.349.148.551.252.355.454.351.850.650.348.647.952.251.352.454.556.255.356.156.657.959.460.057.954.751.846.8

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1884188418571588157614931475145414331419141914471420140613991344131213071289125412281224121111841191118711791158113111261100108210341003975938871844824794763728694555
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.658.255.347.047.046.347.746.346.646.247.647.545.245.547.350.553.453.552.855.355.859.558.555.255.155.756.355.860.662.062.666.266.664.464.563.461.961.961.557.953.349.844.838.6

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.586-2.765-0.2652.0370.0-1.1360.02.2090.0-0.446-0.0752.4290.0-3.051
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.586-2.766-0.2652.0370.0-1.1370.02.2090.0-0.447-0.0752.4290.0-3.052
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.00.0100.10.0100.00.0100.2100.0100.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.0010.00.00.00.0010.00.00.00.0010.00.00.00.001
Percentage of StockIssuedDuringPeriodValueNewIssues0.0-0.0-0.00.00.0-0.10.00.00.0-0.2-0.00.00.0-0.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value6.3537.0576.5965.8396.9586.0575.6694.8115.4149.6072.0679.32107.67.3161011109.8229.29.58.9
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.3537.0576.5965.8396.9586.0575.6694.8115.4149.6072.0679.32107.646
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302011-06-302011-03-312010-06-302010-03-31
Value-64.81-77.8752186113931-28.577115-6.0653513012-59.909814910834-31.12274111-31.156296560
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-5.3-6.718.55.212.61.8-1.66.3-0.32.07.10.7-3.34.52.97.72.5-2.45.98.6-4.54.28.98.3

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302011-06-302011-03-312010-06-302010-03-31
Value285-509.462897-50.191-140.22-28.005-18.373421-56.98-24.46339-100.547-43.389-249.252-31.47-14.937-20.731-81.236-152.82925-117.121-29.325-3.912
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax23.4-43.975.7-4.3-12.7-1.6-1.01.91.2-3.3-1.32.2-5.6-2.4-14.7-2.2-1.1-1.6-6.4-11.83.6-16.9-4.0-0.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302011-06-302011-03-312010-06-302010-03-31
Value1.659-100.80410-65.3491354-4.507-33.19211-17.351-68.32-64.70512-42.04993146-12.2752091-18.507-67.6-94.618-12.772-46.599
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.1-8.70.8-5.61.23.1-0.3-1.80.7-1.0-3.7-3.50.7-2.35.510.3-0.91.67.3-1.4-9.7-13.7-1.7-6.4

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value222-688.141992-8.369-14.04758-51.45411626-38.90738-11.845-148.217-4.406-106.0322237.746-30.921
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax18.2-59.283.7-0.7-1.33.3-2.96.41.5-2.22.1-0.6-8.2-0.2-6.315.70.5-2.4

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value182.906-37.2457.8022.4853.5411.276-0.25-3.5391.914-0.1620.062-28.821-0.64-0.51-1.011.7121.4282.108-0.538-25.9812.305-1.06-2.263-5.1042.371
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value22212624232833343330353333303228272628262525272625232423222021171616151515141515141313131413
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2550-95.7654-8.75633792.7172723-61.609-18.446928727-8.32-5.8427102-42.5046013109.36433-1.425553.7450-34.84321-8.13198.359170.824-13.534127.17-68.592706.1447.017-12.7241.6810.764
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-7.63.0555.6970.943-5.639-2.629-3.4112.762-1.546.333-3.217-6.29812-3.067-7.996-10.797-2.1913.379-2.179-1.8217.1255.1216.0972.3587.689-4.77-1.524-3.378-2.828-2.5042.202-2.472.1462.0044.1583.215-4.7153.5027.96-13.42-0.76117
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1321000.0-1067000.0-596000.0676000.0-216000.0505000.0-533000.0-547000.0-261000.0-111000.076000.0-24000.0-159000.090000.0115000.0-574000.0-57000.0421000.0-109000.080000.011000.0-34000.0-197000.0-22000.045000.03000.0-184000.0-283000.095000.050000.01417000.0-2130000.0-1523000.0-521000.0-1436000.0-924000.054000.0216000.01658000.05745000.0-2776000.0-6470000.0-10474000.04328000.0-2453000.0-2001000.0
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302011-06-302011-03-312010-06-302010-03-31
Value-64.81-77.8752186113931-28.577115-6.0653513012-59.909814910834-31.12274111-31.156296560
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-5.3-6.718.55.212.61.8-1.66.3-0.32.07.10.7-3.34.52.97.72.5-2.45.98.6-4.54.28.98.3

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value-0.666272681183182021130.431-27.96727131154325.51735253.9581327-7.8084.6437.28821274.9862518473128
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.20.80.0-1.51.50.70.63.22.30.41.42.82.00.31.22.2-0.70.40.72.22.90.62.71.85.43.73.4

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.666272681183182021130.431-27.967271311
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.20.80.0-1.51.50.70.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-06-302011-03-312010-06-302010-03-31
Value-0.666272681183182021130.431-27.96727131154334.9271735251.3121324-7.7614.2937.19419254.327241847312834343525
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.12.422.71.07.61.01.11.20.80.0-1.51.50.70.63.22.30.31.32.82.00.11.22.0-0.70.40.72.02.80.52.51.85.43.73.44.95.04.83.5

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.3537.0577.3415.4426.5926.0575.6694.8115.4149.6072.0679.32107.6467.2821011109.8499.1769.518.8879.79112131314119.554.4726.4884.5244.6025.6383.8484.4684.3655.1024.014.4254.2054.7783.2723.5963.7064.528
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302011-06-302011-03-312010-06-302010-03-31
Value285-509.462897-50.191-140.22-28.005-18.373421-56.98-24.46339-100.547-43.389-249.252-31.47-14.937-20.731-81.236-152.82925-117.121-29.325-3.912
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax23.4-43.975.7-4.3-12.7-1.6-1.01.91.2-3.3-1.32.2-5.6-2.4-14.7-2.2-1.1-1.6-6.4-11.83.6-16.9-4.0-0.5

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15191917221516161512171417191415151016131415161616211118201122151511161622141511161013101110
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302011-06-302011-03-312010-06-302010-03-31
Value1.659-100.80410-65.3491354-4.507-33.19211-17.351-68.32-64.70512-42.04993146-12.2752091-18.507-67.6-94.618-12.772-46.599
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.1-8.70.8-5.61.23.1-0.3-1.80.7-1.0-3.7-3.50.7-2.35.510.3-0.91.67.3-1.4-9.7-13.7-1.7-6.4

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value2.927.7793.88-2.4520.476-0.055-0.1890.5560.1030.167-0.007-0.0940.0350.403-0.1070.1530.473-0.0330.1030.365-0.1830.0140.512-0.1860.0010.405-0.284-0.0010.411-0.0650.0030.402-0.013
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value78.0676.0575.4873.7672.4271.0769.2268.768.7768.161.557.42
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.26157.756115567604536
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.90.9532.160484450705163586165
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value10131513131213305699111113129
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.9052.1051.71.5212.42.42.42.36817191717192015121211123.1023.133.4245.319
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:AffiliatePercentageOfConsolidatedRevenue us-gaap:BusinessAcquisition

mgln:AffiliatePercentageOfConsolidatedRevenue

mgln:ArmedForcesServicesCorporation


Affiliate
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.402.3750.010.015
Percentage of AffiliatePercentageOfConsolidatedRevenue100.00.0100.0100.0100.0

mgln:AffordableCareActFiscalYearAnnualFeesPaidDuringPeriod

mgln:AffordableCareActFiscalYearAnnualFeesPaidDuringPeriod


Affordable
Period End2021-06-302021-03-312020-12-312020-09-302015-12-31
Value0.0360.00.00.0
Percentage of AffordableCareActFiscalYearAnnualFeesPaidDuringPeriod0.0100.00.00.00.0

mgln:AffordableCareActFiscalYearAnnualFeesPaidDuringPeriodContinuingOperations

mgln:AffordableCareActFiscalYearAnnualFeesPaidDuringPeriodContinuingOperations


Affordable
Period End2021-06-302021-03-312020-12-31
Value0.0120.0
Percentage of AffordableCareActFiscalYearAnnualFeesPaidDuringPeriodContinuingOperations0.0100.00.0

mgln:DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations

mgln:DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations


Deferred
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.0967.603-37.2457.802
Percentage of DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations100.0100.0100.0100.0

mgln:DepreciationAndAmortizationContinuingAndDiscontinuedOperations

mgln:DepreciationAndAmortizationContinuingAndDiscontinuedOperations


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2221303029283334
Percentage of DepreciationAndAmortizationContinuingAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0

mgln:DirectServiceCostsAndOtherOperatingExpenses

mgln:DirectServiceCostsAndOtherOperatingExpenses


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value243231259216199287286266266271277265259269261227231221240229214192205220191204202176179164178156144139145135140136136130131131147141139138
Percentage of DirectServiceCostsAndOtherOperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:DirectServiceCostsAndOtherOperatingExpenses us-gaap:ConsolidationItems

mgln:CorporateAndEliminations


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value12112821198.9569.8817.9429.71138.03211107.245128.846106.665159.627105.9988.1055.121
Percentage of DirectServiceCostsAndOtherOperatingExpenses5.04.911.19.89.63.13.53.03.64.82.94.53.92.74.63.94.53.06.54.24.73.13.92.3

mgln:DirectServiceCostsAndOtherOperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1261141221041001964299998179
Percentage of DirectServiceCostsAndOtherOperatingExpenses52.049.847.348.350.368.4150.037.336.965.9

us-gaap:OperatingSegments, mgln:PharmacyManagement


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10410410891808184797879
Percentage of DirectServiceCostsAndOtherOperatingExpenses42.945.341.642.040.128.529.730.029.629.3

mgln:DisposalGroupIncludingDiscontinuedOperationCostAndExpenses us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationCostAndExpenses

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2021-06-302021-03-312020-06-30
Value-7.7250.926669
Percentage of DisposalGroupIncludingDiscontinuedOperationCostAndExpenses100.0100.0100.0

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value-709.151-669.371689-688.85-666.491
Percentage of DisposalGroupIncludingDiscontinuedOperationCostAndExpenses0.0-100.00.00.00.0

mgln:DisposalGroupIncludingDiscontinuedOperationDivestitureRelatedExpenses us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationDivestitureRelatedExpenses

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2021-03-312020-09-302020-06-30
Value605000.02195000.03353000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationDivestitureRelatedExpenses100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarningsAmountDistributed us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarningsAmountDistributed

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-30
Value37
Percentage of DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarningsAmountDistributed100.0

mgln:DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value0.9011.4782.543.2713.2
Percentage of DisposalGroupIncludingDiscontinuedOperationInterestAndOtherIncome100.0100.0100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationOverheadExpensesPreviouslyAllocated us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationOverheadExpensesPreviouslyAllocated

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value7.27.06.78.08.08.5
Percentage of DisposalGroupIncludingDiscontinuedOperationOverheadExpensesPreviouslyAllocated100.0100.0100.0100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationStockCompensationExpense us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationStockCompensationExpense

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value397000.0366000.0260000.0207000.0207000.0207000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationStockCompensationExpense100.0100.0100.0100.0100.0100.0

mgln:FinanceLeaseCost

mgln:FinanceLeaseCost


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value720000.0873000.023000.01376000.01259000.01641000.01436000.0
Percentage of FinanceLeaseCost100.0100.0100.0100.0100.0100.0100.0

mgln:IncreaseDecreaseInCurrentContractLiabilities

mgln:IncreaseDecreaseInCurrentContractLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0770.196-5.299-13.698-12.91831-0.724-0.357-0.262-8.782
Percentage of IncreaseDecreaseInCurrentContractLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:IncreaseDecreaseInMedicalClaimsPayableAndOtherMedicalLiabilities

mgln:IncreaseDecreaseInMedicalClaimsPayableAndOtherMedicalLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value460.917-3.0293624-13.622-40.9667.668-15.34219-1.32-16.265-17.6371070.6571911-5.169.975163.832-38.292-23.63214212315218.8549.8031.7229.76-9.36815-6.13171.007197.558-3.073-2.268-10.12217-6.4475.759-13.397
Percentage of IncreaseDecreaseInMedicalClaimsPayableAndOtherMedicalLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:IncreaseDecreaseInNonCurrentContractLiabilities

mgln:IncreaseDecreaseInNonCurrentContractLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-31
Value-317000.0380000.0-407000.0-204000.0-202000.0-886000.0-754000.0-500000.0
Percentage of IncreaseDecreaseInNonCurrentContractLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

mgln:IncreaseDecreaseInTaxContingencies

mgln:IncreaseDecreaseInTaxContingencies


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value659000.0680000.0-4989000.0571000.0418000.0925000.0-1101000.0-861000.0527000.083000.01703000.0-621000.0273000.0448000.01523000.0-606000.0258000.0506000.0784000.0-758000.0358000.0289000.01269000.0-1712000.0209000.0-787000.0224000.0-16343000.0363000.0801000.021000.0-24330000.0748000.0601000.0-760000.0-36094000.0788000.0690000.0
Percentage of IncreaseDecreaseInTaxContingencies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:LeaseCostExcludingSubleaseIncome

mgln:LeaseCostExcludingSubleaseIncome


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value3.643.5453.584.464.3476.4837.129
Percentage of LeaseCostExcludingSubleaseIncome100.0100.0100.0100.0100.0100.0100.0

mgln:OperatingNonOperatingIncomeExpense

mgln:OperatingNonOperatingIncomeExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1228112212211189108917591773179917671738187218121792179316441374140812761201124811501091120412051147969947900877916979837789774771748759737678650640635704677680684
Percentage of OperatingNonOperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:PercentageIncreaseDecreaseInAccountsAndOtherReceivables

mgln:PercentageIncreaseDecreaseInAccountsAndOtherReceivables


Percentage
Period End2021-06-302021-03-312020-12-31
Value11.03.0-3.1
Percentage of PercentageIncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0

mgln:PercentageIncreaseDecreaseInContractAssets

mgln:PercentageIncreaseDecreaseInContractAssets


Percentage
Period End2021-06-302021-03-312020-12-31
Value41.931.2-409.5
Percentage of PercentageIncreaseDecreaseInContractAssets100.0100.0100.0

mgln:PercentageIncreaseDecreaseInCurrentContractLiabilities

mgln:PercentageIncreaseDecreaseInCurrentContractLiabilities


Percentage
Period End2021-06-302021-03-312020-12-31
Value-1.12.9-78.7
Percentage of PercentageIncreaseDecreaseInCurrentContractLiabilities100.0100.0100.0

mgln:PercentageIncreaseDecreaseInNonCurrentContractLiabilities

mgln:PercentageIncreaseDecreaseInNonCurrentContractLiabilities


Percentage
Period End2021-06-302021-03-312020-12-31
Value-2.83.4-3.6
Percentage of PercentageIncreaseDecreaseInNonCurrentContractLiabilities100.0100.0100.0

mgln:ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback

mgln:ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback


Reconciliation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value6.3537.0577.3415.4426.5926.0575.6694.8115.4149.6072.0679.32107.6467.2821011109.8499.1769.518.8879.79112131314119.554.4726.4884.5244.6025.6383.8484.4684.3655.1024.014.425
Percentage of ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback us-gaap:ConsolidationItems

mgln:CorporateAndEliminations


Reconciliation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.0721.8423.0992.9942.5511.9291.2290.940.8466.1851.7365.7966.2893.2112.1942.022.5811.7517.9751.5411.5111.4461.3251.226
Percentage of ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback32.626.142.255.038.731.821.719.515.664.484.062.260.242.030.119.622.717.381.016.815.916.313.59.5

mgln:ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Reconciliation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.9352.5192.180.8332.1022.0212.6921.9952.2371.75
Percentage of ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback30.535.729.715.331.933.447.541.541.318.2

us-gaap:OperatingSegments, mgln:PharmacyManagement


Reconciliation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.3462.6962.0621.6151.9392.1072.3691.6692.1241.672
Percentage of ReconciliationOfSegmentProfitLossShareBasedCompensationExpenseAddback36.938.228.129.729.434.841.834.739.217.4

mgln:RedeemableNoncontrollingInterestRightToExerciseCallOptionOnPercentageOfRemainingShares us-gaap:Ownership

mgln:RedeemableNoncontrollingInterestRightToExerciseCallOptionOnPercentageOfRemainingShares

mgln:AureliaHealthLlc


Redeemable
Period End2021-06-302021-03-31
Value033.3
Percentage of RedeemableNoncontrollingInterestRightToExerciseCallOptionOnPercentageOfRemainingShares0.0100.0

mgln:RedeemableNoncontrollingInterestThresholdPercentageOfRemainingSharesToBePurchasedIfRightToPutOptionIsExercised us-gaap:Ownership

mgln:RedeemableNoncontrollingInterestThresholdPercentageOfRemainingSharesToBePurchasedIfRightToPutOptionIsExercised

mgln:AureliaHealthLlc


Redeemable
Period End2021-06-302021-03-31
Value033.3
Percentage of RedeemableNoncontrollingInterestThresholdPercentageOfRemainingSharesToBePurchasedIfRightToPutOptionIsExercised0.0100.0

mgln:RestructuringSettlementAndImpairmentProvisionsAndOther

mgln:RestructuringSettlementAndImpairmentProvisionsAndOther


Restructuring
Period End2021-06-302020-06-30
Value5054000.08309000.0
Percentage of RestructuringSettlementAndImpairmentProvisionsAndOther100.0100.0

mgln:ShareBasedPaymentArrangementNoncashExpenseContinuingAndDiscontinuedOperations

mgln:ShareBasedPaymentArrangementNoncashExpenseContinuingAndDiscontinuedOperations


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value6.3537.0576.5965.8396.9586.0575.6694.811
Percentage of ShareBasedPaymentArrangementNoncashExpenseContinuingAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0

mgln:SharesRepurchasedOpenMarketPurchasesMadeShares

mgln:SharesRepurchasedOpenMarketPurchasesMadeShares


Shares
Period End2020-07-312020-06-302020-05-012018-04-302015-12-312014-10-212014-09-302014-07-212014-06-302014-04-252014-03-312014-02-262013-12-312013-10-212013-09-302013-07-242013-06-302013-04-252013-03-312013-02-222011-12-312010-12-312010-04-01
Value0000345040.0358130.01316200.0223820.0852150.0185320.0284890.0177230.0204100.0000415990.0239710.0539790.0366650.0671780.01684500.01711900.0
Percentage of SharesRepurchasedOpenMarketPurchasesMadeShares0.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

mgln:SharesRepurchasedValueExcludingBrokerCommissions

mgln:SharesRepurchasedValueExcludingBrokerCommissions


Shares
Period End2021-06-302020-09-302020-06-302015-12-312014-10-212014-09-302014-07-212014-06-302014-04-252014-03-312014-02-262013-12-312013-09-302013-06-302013-04-252013-03-312013-02-222011-12-312010-12-312010-04-01
Value0.00.00.01819741450101710120.020112718328174
Percentage of SharesRepurchasedValueExcludingBrokerCommissions0.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

mgln:StockCompensationExpenseDiscontinuedOperations

mgln:StockCompensationExpenseDiscontinuedOperations


Stock
Period End2020-09-302020-06-302019-09-302019-06-30
Value400000.0400000.0200000.0200000.0
Percentage of StockCompensationExpenseDiscontinuedOperations100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.0551.277-0.26914
Percentage of AssetImpairmentCharges100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges us-gaap:RestructuringPlan

mgln:TransformationInitiative2020


Asset
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.01.3-0.314
Percentage of AssetImpairmentCharges-0.0101.8111.5100.2

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles

mgln:AureliaHealthLlc


Business
Period End2021-06-302021-03-31
Value0100000.0
Percentage of BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentIntangibles0.0100.0

us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations


Cash
Period End2020-12-312020-09-30
Value-5.45-37.5
Percentage of CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations100.0100.0

us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value45-8.036-137.646-19.154-4.36649
Percentage of CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations100.0100.0100.0100.0100.0100.0

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value93-0.52614235-92.84741
Percentage of CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable

us-gaap:ContractWithCustomerAssetReclassifiedToReceivable


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3717000.0-1112000.011661000.0-5268000.05113000.0-10102000.023920000.0-13260000.0-4844000.0-3400000.0
Percentage of ContractWithCustomerAssetReclassifiedToReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-302018-09-302018-06-30
Value2.12.01.35.62.02.62.65959
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility, us-gaap:UnsecuredDebt


Debt
Period End2021-03-31
Value1.75
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentInterestRateDuringPeriod

mgln:SeniorNotesDue20244.400Percent, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-09-30
Value04.94.9
Percentage of DebtInstrumentInterestRateDuringPeriod0.0100.0100.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRedemptionPricePercentage

mgln:SeniorNotesDue20244.400Percent, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentRedemptionPricePercentage0.0100.0

us-gaap:DepreciationAndAmortizationDiscontinuedOperations us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DepreciationAndAmortizationDiscontinuedOperations

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Depreciation
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value5.385.3795.3265.2675.299
Percentage of DepreciationAndAmortizationDiscontinuedOperations100.0100.0100.0100.0100.0

us-gaap:DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness


Discontinued
Period End2021-09-302021-06-30
Value0.08.0
Percentage of DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax0.0100.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness


Discontinued
Period End2021-06-302021-03-312020-06-30
Value7.725-0.92665
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax100.0100.0100.0

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Discontinued
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value356530248.269
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax0.0100.00.00.00.0

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness


Discontinued
Period End2021-06-302021-03-312020-06-30
Value1.928-0.24429
Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation100.0100.0100.0

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Discontinued
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value6.64729107.0861.871
Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation0.0100.00.00.00.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value615573602615592
Percentage of DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value018000.071000.072000.071000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationInterestExpense0.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2021-06-302021-03-312020-06-30
Value0.2750.92692
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingExpense100.0100.0100.0

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value8992847171
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingExpense0.0100.00.00.00.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value744735720713674
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:MajorCustomers

mgln:NewYorkContracts


Disposal
Period End2020-09-302019-09-30
Value164222
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue22.131.2

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:MajorCustomers, us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:MassachusettsContracts, us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302019-09-30
Value177181
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue23.825.4

mgln:VirginiaContracts, us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302019-09-30
Value266222
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue35.831.3

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense

us-gaap:EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense


Employee
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value600000.01100000.0500000.0300000.01400000.00-800000.0-800000.0100000.0800000.04100000.02700000.0100000.0900000.000300000.0
Percentage of EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount


Equity
Period End2021-06-30
Value5100000.0
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value155000.0166000.0175000.0183000.0213000.0613000.0418000.0
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-12-31
Value01121000.01176000.0
Percentage of FinanceLeaseInterestPaymentOnLiability0.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-31
Value0166000.0175000.0
Percentage of FinanceLeasePrincipalPayments0.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value565000.0707000.0-152000.01193000.01046000.01028000.01018000.0
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinitelivedIntangibleAssetsAcquired1 us-gaap:BusinessAcquisition, us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FinitelivedIntangibleAssetsAcquired1

mgln:AureliaHealthLlc, mgln:PayerContracts


Finitelived
Period End2020-12-21
Value0.2
Percentage of FinitelivedIntangibleAssetsAcquired1100.0

mgln:AureliaHealthLlc, us-gaap:CustomerContracts


Finitelived
Period End2020-12-21
Value33
Percentage of FinitelivedIntangibleAssetsAcquired116900.0

mgln:AureliaHealthLlc, us-gaap:NoncompeteAgreements


Finitelived
Period End2020-12-21
Value2.4
Percentage of FinitelivedIntangibleAssetsAcquired11200.0

us-gaap:GainLossOnRepurchaseOfDebtInstrument us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:GainLossOnRepurchaseOfDebtInstrument

mgln:SeniorNotesDue20244.400Percent, us-gaap:SeniorNotes


Gain
Period End2020-12-312020-09-302020-06-302020-03-312017-09-22
Value-1400000.000700000.0700000.0
Percentage of GainLossOnRepurchaseOfDebtInstrument100.00.00.0100.0100.0

us-gaap:HealthCareOrganizationExpensesNet

us-gaap:HealthCareOrganizationExpensesNet


Health
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value43037936236432195198310131001941959938935928779569583482472480472457587596568522506495481605605570542529528516521505461448441433491467472476
Percentage of HealthCareOrganizationExpensesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthCareOrganizationExpensesNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Health
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4303793623643219512764397408941
Percentage of HealthCareOrganizationExpensesNet100.0100.0100.0100.0100.0100.0281.139.340.8100.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse


Impairment
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.0550.0140.43812
Percentage of ImpairmentOfLongLivedAssetsHeldForUse100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness


Income
Period End2021-06-302021-03-312020-06-30
Value5.797-0.68236
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax100.0100.0100.0

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-30
Value283619176.398
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax0.0100.00.00.00.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.797-0.68229328361911176.3988.622
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.22-0.0311.391.141.450.780.460.70.26
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.22-0.0311.391.141.440.780.450.690.260.36
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8724-22.551-15.3567445528.1065611
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-75.366-76.183114471052-27.133630.4222022-64.1032326-14.439-10.634-6.534-52.838299.2923.02711-37.27351-27.5-22.39834-23.027-35.77830-3.09236-14.358-15.2859.5332.1686.702-26.7242.96516-1.306-25.7921325-3.489-21.561
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherDeferredLiability

us-gaap:IncreaseDecreaseInOtherDeferredLiability


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.3589.99317-9.035-5.543.003-1.102-2.137-4.54-2.8891.523-0.387-0.801170.810.526-2.2684.15
Percentage of IncreaseDecreaseInOtherDeferredLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5127-18.28428-3.5441-55.206111310-34.2342.611937-10.916-6.493201.172-58.474152035-52.802174.33227-14.821-5.2971017-0.4881.56.2422.039-4.6321.1529.503-6.4374.921-20.39173.43139.759-1.457-4.217
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements us-gaap:AwardType

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:EmployeeStock


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-2000.03000.00-1000.01000.09000.0-1000.04000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStockOption


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-17000.0186000.012000.021000.031000.061000.013000.0124000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements850.06200.00.0-2100.03100.0677.8-1300.03100.0

us-gaap:PerformanceShares


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-30
Value-43000.0201000.02000.011000.0118000.08000.0114000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements2150.06700.00.0-1100.011800.0-800.02850.0

us-gaap:RestrictedStock


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value3000.019000.0-4000.0-3000.028000.021000.02000.04000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements-150.0633.30.0300.02800.0233.3-200.0100.0

us-gaap:RestrictedStockUnitsRSU


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-26000.0196000.028000.028000.046000.050000.010000.036000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements1300.06533.30.0-2800.04600.0555.6-1000.0900.0

us-gaap:IndefinitelivedIntangibleAssetsAcquired us-gaap:BusinessAcquisition

us-gaap:IndefinitelivedIntangibleAssetsAcquired

mgln:AureliaHealthLlc


Indefinitelived
Period End2020-12-21
Value1.6
Percentage of IndefinitelivedIntangibleAssetsAcquired100.0

us-gaap:InterestAndOtherIncome

us-gaap:InterestAndOtherIncome


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.2080.3411.9350.3490.5513.7594.2244.975.0214.9744.094.1393.3632.4762.0861.7811.0710.9490.7020.7410.6920.6830.5680.6310.50.4660.4740.2410.2750.3110.9830.2910.3580.3530.40.350.8570.412
Percentage of InterestAndOtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium

us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-1011000.0-592000.0-1911000.0-1464000.0-582000.0-325000.0-76000.0182000.0135000.0192000.060000.0-233000.0-362000.0-809000.0-872000.0-958000.0-982000.0-1112000.0-1014000.0-1077000.0-1303000.0-1844000.0-2012000.0-2140000.0-1427000.0-1539000.0-1430000.0-967000.0-1042000.0-1611000.0-1834000.0-2389000.0-2376000.0-2508000.0-1820000.0-1653000.0-1960000.0-1760000.0-2649000.0-3012000.0-3420000.0-3228000.0-3304000.0
Percentage of InvestmentIncomeNetAmortizationOfDiscountAndPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value3.643.5383.5674.3944.2816.3217.027
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtWeightedAverageInterestRateOverTime us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtWeightedAverageInterestRateOverTime

mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility, us-gaap:UnsecuredDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value1.862.01-0.20412.8236
Percentage of LongTermDebtWeightedAverageInterestRateOverTime100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1.659-100.80415-27.8498.58254-54.557-33.1922091-18.451166-6.051-67.878-88.798-32.4733.28-54.217182-20.372-11.531139.175-19.324-16.591-14.351100.8141.454-73.289-110.074-67.6-94.618-4.27
Percentage of NetCashProvidedByUsedInFinancingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value285-509.462851-42.155-2.574-8.851-14.004-14.927-20.731-80.663-152.82933-43.94325-47.628-99.572-71.388-75.555-57.016-109.375-13.183-103.6949.025-30.908-30.331-75.143-6.282-49.82820347325-117.1212.148
Percentage of NetCashProvidedByUsedInInvestingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-64.81-77.87512561-3.404-4.0796473-31.122-4.171137-87.25921616568441657548211844145693645291598-31.1562954
Percentage of NetCashProvidedByUsedInOperatingActivitiesContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1

us-gaap:NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1


Noncash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-30
Value0.00.00.03.5990.00.00.03.3021.031144.5720.0510.00.01.5120.9060.2980.1832.7171.2930.7971.4282.5940.00.4160.0
Percentage of NoncashOrPartNoncashAcquisitionFixedAssetsAcquired10.00.00.0100.00.00.00.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value2.342.4082.6942.2082.5033.6444.657
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseImpairmentLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value01263000.0-707000.01519000.0
Percentage of OperatingLeaseImpairmentLoss0.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-31
Value2.7324.6613.078
Percentage of OperatingLeasePayments100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


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
Value175000.010000.0-326000.0-481000.0659000.0-201000.0-173000.0-98000.0419000.0320000.049000.0194000.0132000.0-319000.0-232000.026000.022000.0-21000.0-22000.0-127000.0-2000.0238000.0-148000.053000.0-93000.069000.0-52000.0-111000.070000.043000.0-21000.0110000.0-70000.0-77000.0-93000.0120000.0-85000.0173000.0143000.0-380000.0-19000.097000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


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
Value65000.0-3000.0-132000.0160000.0-219000.067000.051000.031000.0-131000.0-100000.0-15000.0-61000.0-42000.0-101000.0-26000.016000.014000.0-12000.0-17000.0-78000.01000.0146000.0-93000.027000.0-48000.045000.0-34000.0-74000.046000.029000.0-13000.074000.0-47000.0-52000.0-61000.078000.0-55000.0111000.087000.0-238000.0-12000.061000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaidInKindInterest

us-gaap:PaidInKindInterest


Paid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value355000.0355000.0355000.0356000.0356000.0585000.0468000.0390000.0353000.0326000.0302000.0305000.0307000.0307000.01637000.02542000.0325000.0253000.0180000.0181000.0102000.0102000.0102000.0100000.098000.099000.099000.02316000.01388000.0184000.0184000.0184000.0184000.0184000.0184000.0184000.0183000.0177000.0713000.0107000.0106000.0107000.0106000.0102000.0142000.0219000.0
Percentage of PaidInKindInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-12-312014-03-31
Value1928000.01102000.0265000.01222000.0
Percentage of PaymentsForRestructuring100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringCostAndReserve

us-gaap:ContractTermination


Payments
Period End2021-06-302021-03-31
Value083000.0
Percentage of PaymentsForRestructuring0.07.5

us-gaap:EmployeeSeverance


Payments
Period End2021-06-302021-03-312020-12-312014-12-312014-09-30
Value1928000.01019000.0259000.01881000.03984000.0
Percentage of PaymentsForRestructuring100.092.597.70.00.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value7.178673143243253164123951231721041181911421081029714111215454157789816412812410435768770986612454816148238.03517955138
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.02.372981.6970.00.3690.4070.00.00.320.5562290.03.00.271111-0.164160.0-0.1254213-3.9337.215
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOrSaleOfEquity

us-gaap:ProceedsFromIssuanceOrSaleOfEquity


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.8047.46715181810120.006182.0450.4771.1114.5791616221.0014.945141.2421.9077.7843.4190.9041236117.488277.18228.4386.4359.6757.394100.8062.1977.0415.913208.016695.9732.63814
Percentage of ProceedsFromIssuanceOrSaleOfEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.080
Percentage of ProceedsFromLongTermLinesOfCredit0.00.00.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value3081851442121351521211461591289717310811810386101131120126101144120671239256737274105949147666453979910850737170
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1587000.0-2765000.0-265000.02038000.00-1136000.002209000.01256000.0-1702000.002031000.00-3051000.0-1555000.0-6694000.0-36000.0-1275000.0-44000.01368000.0-22000.0-72000.01000.01024000.0191000.0-807000.0-5088000.0-586000.01865000.0-624000.0-1077000.01231000.0275000.0-1022000.0-867000.0870000.08000.0-743000.0-2050000.0448000.0954000.0-563000.0764000.0-107000.0-173000.0-1331000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.00.0100.00.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities


Repayments
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
Value6.7321055.557855.493416358.227.3234741-21.983555.0346078.241827.3224.1685.2474.1544.3734.3664.6373.6625.4390.5190.971.117
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302014-03-31
Value0.009-0.1269.4392.4240.72
Percentage of RestructuringCharges100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

us-gaap:ContractTermination


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.0830.110.423
Percentage of RestructuringCharges0.0-65.91.217.5

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302014-12-312014-09-302014-06-302014-03-31
Value0.009-0.2099.3292.0010.2560.2180.8140.7
Percentage of RestructuringCharges100.0165.998.882.50.00.00.097.2

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve, us-gaap:RestructuringPlan

us-gaap:ContractTermination, mgln:TransformationInitiative2020


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.10.10.4
Percentage of RestructuringCharges0.0-79.41.116.5

us-gaap:EmployeeSeverance, mgln:TransformationInitiative2020


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.00.29.32.0
Percentage of RestructuringCharges0.0-158.798.582.5

us-gaap:RestructuringSettlementAndImpairmentProvisions

us-gaap:RestructuringSettlementAndImpairmentProvisions


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value-0.0461.1519.17168.309
Percentage of RestructuringSettlementAndImpairmentProvisions100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability


Right
Period End2020-12-31
Value0
Percentage of RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability0.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


Right
Period End2020-12-31
Value0
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0141.61-0.596.462.9876.24
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value4.4170.4-2.11-5.8-0.2272.92
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.049.7357.6-89.8-7.495.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.230075.651.5100100.31000141.6100076.240-0.38097.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue100.00.00.0100.0100.00.00.0100.00.00.00.0100.00.00.00.0100.00.0100.00.0100.0

us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312013-09-30
Value6.0200-1.330000-0.320.48000.0103.770
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue489.40.00.00.00.00.00.00.00.0-126.30.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-30
Value0.0292.850.460.950.1960.881.350066.570-0.16099.45000.0368.500064.87-0.5300000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.037.40.00.080.589.40.00.066.40.00.00.070.20.00.00.089.80.0-0.00.066.50.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00076.2400097.1200085.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.00.00.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:RestrictedStock


Share
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-30
Value0-1.260000-6.911.23-9.0900.0800.5356.9500-84.50
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-30
Value067.770.220-0.1975.12000.1881.77-0.3400.1365.41-0.140-0.4500-0.07052.890-0.0200.02
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.00.00.00.00.098.50.00.00.084.20.00.00.077.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum

us-gaap:PerformanceShares


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum

us-gaap:PerformanceShares


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:PerformanceShares


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value-4.068.261.45
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-31
Value2.1189.13-4.81
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value41000.040000.036000.058000.080000.0329000.0346000.0
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesNewIssues

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value25000.0130000.042000.034000.017000.0130000.0068000.020000.0118000.02000.029000.0-2000.0125000.0
Percentage of StockIssuedDuringPeriodSharesNewIssues100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value113000.0110000.0238000.0263000.0324000.0216000.0154000.00348000.041000.08000.022000.079000.0300000.0
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.8057.467151720119.2310.005212.0450.4771.1114.34217
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.8047.465151720119.2290.005212.0440.4771.1114.34117
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0010.0020.0020.0030.0040.0020.0020.00.0040.0010.00.00.0010.003
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value07000.013000.066000.066000.0162000.0102000.0
Percentage of SubleaseIncome0.0100.0100.0100.0100.0100.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-09-302019-06-30
Value539000.0224000.0827000.0818000.0505000.0869000.0690000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-06-302021-03-31
Value2626
Percentage of EntityCommonStockSharesOutstanding100.0100.0

mgln:AccountsNotesAndLoansReceivableCurrentAndNonCurrent

mgln:AccountsNotesAndLoansReceivableCurrentAndNonCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value911824799822837961915862854797786864864778679
Percentage of AccountsNotesAndLoansReceivableCurrentAndNonCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:AccountsPayableRebatesCurrent

mgln:AccountsPayableRebatesCurrent


Accounts
Period End2020-12-312019-12-31
Value10151
Percentage of AccountsPayableRebatesCurrent100.0100.0

mgln:BusinessCombinationContingentConsiderationEstimatedContingentPayments us-gaap:StatementScenario

mgln:BusinessCombinationContingentConsiderationEstimatedContingentPayments

srt:ScenarioForecast


Business
Period End2020-12-31
Value0.1
Percentage of BusinessCombinationContingentConsiderationEstimatedContingentPayments100.0

us-gaap:ScenarioForecast


Business
Period End2020-12-312018-12-312017-12-31
Value2.37.210.0
Percentage of BusinessCombinationContingentConsiderationEstimatedContingentPayments2300.00.00.0

mgln:CashHeldInBankAccounts

mgln:CashHeldInBankAccounts


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value408.74645.228194118.8
Percentage of CashHeldInBankAccounts100.0100.0100.0100.0100.0100.0100.0100.0

mgln:CustomerSettlementLiabilities

mgln:CustomerSettlementLiabilities


Customer
Period End2020-12-312019-12-312018-12-31
Value418793
Percentage of CustomerSettlementLiabilities100.0100.0100.0

mgln:DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateYearTwo

mgln:DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateYearTwo


Debt
Period End2020-12-31
Value2611000.0
Percentage of DebtSecuritiesAvailableForSaleAmortizedCostMaturityAllocatedAndSingleMaturityDateYearTwo100.0

mgln:DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateYearTwo

mgln:DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateYearTwo


Debt
Period End2020-12-31
Value2612000.0
Percentage of DebtSecuritiesAvailableForSaleFairValueMaturityAllocatedAndSingleMaturityDateYearTwo100.0

mgln:DebtSecuritiesAvailableForSaleRestrictedCurrent

mgln:DebtSecuritiesAvailableForSaleRestrictedCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3574887746329318322350385363319219
Percentage of DebtSecuritiesAvailableForSaleRestrictedCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:DebtSecuritiesAvailableForSaleRestrictedNonCurrent

mgln:DebtSecuritiesAvailableForSaleRestrictedNonCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.812.6151.0263.5856.178106.48422172.8544.0917
Percentage of DebtSecuritiesAvailableForSaleRestrictedNonCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:DeferredTaxAssetsIndirectTaxBenefits

mgln:DeferredTaxAssetsIndirectTaxBenefits


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2247000.03011000.03296000.02847000.04396000.03909000.03825000.04804000.05897000.06947000.08506000.0
Percentage of DeferredTaxAssetsIndirectTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:DeferredTaxAssetsOperatingLeaseLiability

mgln:DeferredTaxAssetsOperatingLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value1318
Percentage of DeferredTaxAssetsOperatingLeaseLiability100.0100.0

mgln:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsClaimsReserves

mgln:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsClaimsReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2241000.05355000.07053000.04527000.06251000.08243000.09429000.08005000.07244000.05438000.05703000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsClaimsReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset

mgln:DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value7.09115
Percentage of DeferredTaxLiabilitiesOperatingLeaseRightOfUseAsset100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationDeferredCreditsAndOtherLongTermLiabilities us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationDeferredCreditsAndOtherLongTermLiabilities

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value9.8531316
Percentage of DisposalGroupIncludingDiscontinuedOperationDeferredCreditsAndOtherLongTermLiabilities100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarnings us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarnings

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-30
Value165
Percentage of DisposalGroupIncludingDiscontinuedOperationExcessCapitalAndUndistributedEarnings100.0

mgln:DisposalGroupIncludingDiscontinuedOperationInvestments us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationInvestments

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value404398243
Percentage of DisposalGroupIncludingDiscontinuedOperationInvestments100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationMedicalClaimsPayable us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationMedicalClaimsPayable

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value284271281
Percentage of DisposalGroupIncludingDiscontinuedOperationMedicalClaimsPayable100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationOtherIntangibleAssets us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationOtherIntangibleAssets

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value727685
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherIntangibleAssets100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationOtherMedicalLiabilities us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationOtherMedicalLiabilities

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value545031
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherMedicalLiabilities100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value336995
Percentage of DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationRestrictedInvestments us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationRestrictedInvestments

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value358343243
Percentage of DisposalGroupIncludingDiscontinuedOperationRestrictedInvestments100.0100.0100.0

mgln:DisposalGroupIncludingDiscontinuedOperationTaxContingencies us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

mgln:DisposalGroupIncludingDiscontinuedOperationTaxContingencies

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value5563000.05462000.05388000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationTaxContingencies100.0100.0100.0

mgln:EquityInRestrictedNetAssetsOfConsolidatedSubsidiariesAsPercentOfConsolidatedEquity

mgln:EquityInRestrictedNetAssetsOfConsolidatedSubsidiariesAsPercentOfConsolidatedEquity


Equity
Period End2020-12-31
Value9.3
Percentage of EquityInRestrictedNetAssetsOfConsolidatedSubsidiariesAsPercentOfConsolidatedEquity100.0

mgln:ExcessCapitalAndUndistributedEarningsIncludedInCashAndCashEquivalents

mgln:ExcessCapitalAndUndistributedEarningsIncludedInCashAndCashEquivalents


Excess
Period End2021-06-302021-03-312020-12-312020-09-30
Value26503530
Percentage of ExcessCapitalAndUndistributedEarningsIncludedInCashAndCashEquivalents100.0100.0100.0100.0

mgln:FinanceLeaseAssetGrossCost

mgln:FinanceLeaseAssetGrossCost


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value32434361615956
Percentage of FinanceLeaseAssetGrossCost100.0100.0100.0100.0100.0100.0100.0

mgln:LeaseLiability

mgln:LeaseLiability


Lease
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-01-01
Value575955517667
Percentage of LeaseLiability100.0100.0100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsDue

mgln:LeaseLiabilityPaymentsDue


Lease
Period End2021-06-302021-03-312020-12-312020-09-30
Value58605752
Percentage of LeaseLiabilityPaymentsDue100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsDueAfterYearFive

mgln:LeaseLiabilityPaymentsDueAfterYearFive


Lease
Period End2021-03-312020-12-312020-09-302019-12-31
Value5556000.0673000.02891000.04658000.0
Percentage of LeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsDueAfterYearFour

mgln:LeaseLiabilityPaymentsDueAfterYearFour


Lease
Period End2021-06-30
Value5933000.0
Percentage of LeaseLiabilityPaymentsDueAfterYearFour100.0

mgln:LeaseLiabilityPaymentsDueNextTwelveMonths

mgln:LeaseLiabilityPaymentsDueNextTwelveMonths


Lease
Period End2021-06-302020-12-312019-12-31
Value151917
Percentage of LeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

mgln:LeaseLiabilityPaymentsDueYearFive

mgln:LeaseLiabilityPaymentsDueYearFive


Lease
Period End2021-03-312020-12-312020-09-302019-12-31
Value5.3583.2288.1910
Percentage of LeaseLiabilityPaymentsDueYearFive100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsDueYearFour

mgln:LeaseLiabilityPaymentsDueYearFour


Lease
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5.725108.5579.81512
Percentage of LeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsDueYearThree

mgln:LeaseLiabilityPaymentsDueYearThree


Lease
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1012101316
Percentage of LeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsDueYearTwo

mgln:LeaseLiabilityPaymentsDueYearTwo


Lease
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1214141417
Percentage of LeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0100.0

mgln:LeaseLiabilityPaymentsRemainderOfFiscalYear

mgln:LeaseLiabilityPaymentsRemainderOfFiscalYear


Lease
Period End2021-06-302021-03-312020-09-30
Value8.238114.106
Percentage of LeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0100.0

mgln:LeaseLiabilityUndiscountedExcessAmount

mgln:LeaseLiabilityUndiscountedExcessAmount


Lease
Period End2021-06-302021-03-312020-12-312020-09-30
Value1027000.01180000.01349000.01525000.0
Percentage of LeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0

mgln:MedicalClaimsPayableCurrent

mgln:MedicalClaimsPayableCurrent


Medical
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value147116111119112392409430401399393402397390327213198174184199216211250263255277278281234240228217205210198198181166137140145144142143
Percentage of MedicalClaimsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:NoncontrollingInterestCallOptionPurchaseRemainingSharesPercentage

mgln:NoncontrollingInterestCallOptionPurchaseRemainingSharesPercentage


Noncontrolling
Period End2020-12-31
Value33.3
Percentage of NoncontrollingInterestCallOptionPurchaseRemainingSharesPercentage100.0

mgln:NoncontrollingInterestPutOptionPurchaseRemainingSharesPercentage

mgln:NoncontrollingInterestPutOptionPurchaseRemainingSharesPercentage


Noncontrolling
Period End2020-12-31
Value33.3
Percentage of NoncontrollingInterestPutOptionPurchaseRemainingSharesPercentage100.0

mgln:OtherMedicalLiabilitiesCurrent

mgln:OtherMedicalLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13812312612311012812414416618316916218320717719318920219717013613813614714197725479656774768076838297106959497109104
Percentage of OtherMedicalLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:RestrictedCashAndEquivalentsInvestmentsAndDeposits

mgln:RestrictedCashAndEquivalentsInvestmentsAndDeposits


Restricted
Period End2020-12-312019-12-312018-12-312017-12-31
Value182513571506
Percentage of RestrictedCashAndEquivalentsInvestmentsAndDeposits100.0100.0100.0100.0

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYear

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYear


Unrecognized
Period End2020-12-312019-12-31
Value1300000.03400000.0
Percentage of UnrecognizedTaxBenefitsCouldBeReversedInFollowingYear100.0100.0

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearDeferredTaxAssetsDecrease

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearDeferredTaxAssetsDecrease


Unrecognized
Period End2020-12-31
Value200000.0
Percentage of UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearDeferredTaxAssetsDecrease100.0

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearIncomeTaxExpenseDecrease

mgln:UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearIncomeTaxExpenseDecrease


Unrecognized
Period End2020-12-31
Value1100000.0
Percentage of UnrecognizedTaxBenefitsCouldBeReversedInFollowingYearIncomeTaxExpenseDecrease100.0

mgln:WithholdingPayables

mgln:WithholdingPayables


Withholding
Period End2020-12-312019-12-312018-12-312017-12-31
Value4480000.01530000.0-593000.0983000.0
Percentage of WithholdingPayables100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value-20000.0-195000.0-205000.0121000.0602000.0-57000.0144000.0317000.0415000.0-4000.0-324000.0-373000.0-567000.0-699000.0-380000.0-148000.0-174000.0-196000.0-175000.0-153000.0-26000.0-24000.0-262000.0-114000.0-167000.0-74000.0-143000.0-91000.020000.0-50000.0-93000.0-72000.0-182000.0-112000.0-35000.058000.0-62000.023000.0-150000.0-293000.087000.09000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312011-09-302011-06-302010-12-31
Value143332423532901047311010967575233288.6685.9715.7045.8175.1315.1325.1275.5144.9824.984.9444.3032.3932.0781.1291.131.0681.0651.0650.6980.6812.179
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302013-03-312012-12-312011-09-302011-06-302010-12-31
Value823745780209175455554629540540581534596546583706419420476398408378409472452415468348313436420474438417293422423
Percentage of AssetsFairValueDisclosure573.3224.31841.1592.5545.6501.9532.4855.9489.5493.8857.3931.71131.31648.32067.68154.77025.97380.48198.97760.27950.47386.47426.09476.89078.48396.910890.614569.715106.738665.237249.644422.941158.639211.442078.462060.119446.9

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value9671078823245207546658702650650649592649579611715425426482403413383414477472
Percentage of AssetsFairValueDisclosure673.3324.31941.1692.5645.6601.9632.4955.9589.5593.8957.31031.71231.31748.32167.68254.77125.97480.48298.97860.28050.47486.47526.09576.810990.6

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Assets
Period End2020-09-302020-06-302019-12-31
Value11441145998
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2020-09-302020-06-302019-12-31
Value11441145663
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Assets
Period End2020-09-302020-06-302019-12-31
Value11441145663
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value13000.043000.014000.059000.0179000.0580000.0250000.0454000.0554000.0126000.023000.09000.01000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value7000.014000.03000.020000.071000.026000.0175000.06000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax53.832.621.433.939.74.570.026.1

us-gaap:TaxableMunicipalBonds


Available
Period End2021-06-30
Value2000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax15.4

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4000.029000.011000.039000.0108000.0554000.075000.017000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax30.867.478.666.160.395.530.073.9

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value40000.0132000.0116000.036000.08000.0656000.058000.037000.09000.0132000.0449000.0500000.0500000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value39000.0131000.0115000.035000.08000.0649000.046000.0349000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax97.599.299.197.2100.098.979.377.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312018-12-31
Value1000.01000.01000.01000.07000.012000.072000.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.50.80.92.81.120.716.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3286301439875356344343393430386379433351328323309314305314287336326370342302267201171208208228255250233178189164201254342284
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.3111.3111.3111.3111.3051.3051.30520
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.40.20.91.31.70.40.45.3

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value167296996142265239292
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis51.047.169.662.755.874.369.475.7

us-gaap:TaxableMunicipalBonds


Available
Period End2021-06-30
Value15
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis4.9

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1433324235329010467
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis43.752.729.536.042.525.330.217.6

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2020-09-30
Value1548000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2020-09-30
Value1548000.0
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearAmortizedCostBasis

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-09-30
Value32262531
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearAmortizedCostBasis100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue


Available
Period End2021-06-302021-03-312020-09-30
Value32262531
Percentage of AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value5.7045.0814065
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value5.7065.0814065
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302013-12-312012-12-312011-12-312010-12-312009-12-31
Value3286301439875356345343394430385378327305313326267201208233200284230
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Available
Period End2020-12-312019-12-312018-12-312017-12-31
Value136338378327
Percentage of AvailableForSaleSecuritiesDebtSecurities95.098.198.2100.0

us-gaap:OperatingSegments, mgln:PharmacyManagement


Available
Period End2020-12-312019-12-312018-12-31
Value7.2166.7187.037
Percentage of AvailableForSaleSecuritiesDebtSecurities5.01.91.8

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1433324235329010467
Percentage of AvailableForSaleSecuritiesDebtSecurities43.752.729.636.042.525.430.217.6

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.3111.3111.3111.3111.3051.3051.30520
Percentage of AvailableForSaleSecuritiesDebtSecurities0.40.20.91.31.70.40.45.4

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value167296996142264239292
Percentage of AvailableForSaleSecuritiesDebtSecurities51.047.169.562.755.874.269.475.7

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:TaxableMunicipalBonds


Available
Period End2021-06-30
Value16
Percentage of AvailableForSaleSecuritiesDebtSecurities4.9

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.3111.3111.3111.3111.3051.3051.30520
Percentage of AvailableForSaleSecuritiesDebtSecurities0.40.20.91.31.70.40.45.4

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value167296996142264239292
Percentage of AvailableForSaleSecuritiesDebtSecurities51.047.169.562.755.874.269.475.7

us-gaap:FairValueMeasurementsRecurring, us-gaap:TaxableMunicipalBonds


Available
Period End2021-06-30
Value16
Percentage of AvailableForSaleSecuritiesDebtSecurities4.9

us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1433324235329010467
Percentage of AvailableForSaleSecuritiesDebtSecurities43.752.729.636.042.525.430.217.6

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1.3111.3111.3111.3111.3051.3051.30520
Percentage of AvailableForSaleSecuritiesDebtSecurities0.40.20.91.31.70.40.45.4

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value167296996142264239292
Percentage of AvailableForSaleSecuritiesDebtSecurities51.047.169.562.755.874.269.475.7

us-gaap:TaxableMunicipalBonds


Available
Period End2021-06-30
Value16
Percentage of AvailableForSaleSecuritiesDebtSecurities4.9

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1433324235329010467
Percentage of AvailableForSaleSecuritiesDebtSecurities43.752.729.636.042.525.430.217.6

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3256251409275350334336371412382374412329310312300306297308284329322361312261224150147181175212228224201155180161192240325189
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2.9854.832.6125.6236.289107.60622173.1614.09202017108.3957.1517.765.7083.0547.5293.8269.6622941435023273215262532228.9622.4717.956131794
Percentage of AvailableForSaleSecuritiesDebtSecuritiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BankOverdrafts

us-gaap:BankOverdrafts


Bank
Period End2021-03-312020-03-312019-12-312019-09-302019-06-302018-12-312015-09-302014-09-30
Value2.10.00.50.13.90.0280.0
Percentage of BankOverdrafts100.00.0100.0100.0100.00.0100.00.0

us-gaap:BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value33
Percentage of BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value119
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value0.33
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value9.974
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value7.189
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value1.825
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value38
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value6.119
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value4294000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value3182000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value699000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value80
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

mgln:AureliaHealthLlc


Business
Period End2020-12-21
Value113
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:CashAndCashEquivalentsFairValueDisclosure

mgln:OtherThanCashInEntityBankAccounts, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value63844767914613218931335925621926321321522928439211611217757650.1236.0094572481397372145101102
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:CashAndCashEquivalents, us-gaap:FairValueByMeasurementFrequency

mgln:OtherThanCashInEntityBankAccounts, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value63844767914613218931335925621926321321522928439211611217757650.1236.00945139
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-12-312019-12-312018-12-31
Value679313263
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Cash
Period End2020-12-312019-12-312018-12-31
Value679313263
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6.1714.6783.566127.151122.23126128.0554.64724145.5198.564
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityNoncurrent

us-gaap:ContractWithCustomerLiabilityNoncurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value111111111110111112121312121312
Percentage of ContractWithCustomerLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentRepurchasedFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRepurchasedFaceAmount

mgln:SeniorNotesDue20244.400Percent, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312017-09-22
Value282828281140
Percentage of DebtInstrumentRepurchasedFaceAmount100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCreditsAndOtherLiabilitiesNoncurrent

us-gaap:DeferredCreditsAndOtherLiabilitiesNoncurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value787969525676737476813634353619181720151621202019191919212120179.0367.1887.0386.8155.5434.6024.6874.9156.7255.8372.649
Percentage of DeferredCreditsAndOtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312018-12-312017-12-312016-12-31
Value3531000.03861000.04192000.04523000.05711000.05900000.06600000.01400000.0
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.9211.84225280.6981.842.6183.2123.5813.4111.0711.5541.1280.8135.2494.9114.5073.12526
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value58755655464355
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsDeferredIncome

us-gaap:DeferredTaxAssetsDeferredIncome


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value4491000.04122000.04368000.02606000.04986000.03644000.04090000.06708000.02408000.0
Percentage of DeferredTaxAssetsDeferredIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5462494667856466616571
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3.768.41711131920158.604101012
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1962000.0111000.02130000.02051000.03858000.04950000.02356000.0987000.03691000.07344000.05287000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value17105.5086.1959.3137.7458.3327.6193.8913.2583.404
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4.3659.167109.63914121415161315
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value1.2243.2676.0575.3623.46145.919138.082
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges


Deferred
Period End2020-12-312019-12-31
Value3505000.01244000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312014-12-312013-12-312012-12-312011-12-31
Value153330299.40720157.358
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6023000.05562000.04292000.03321000.05586000.03381000.03647000.03603000.0169000.039000.03160000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2920212241394243443733
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value199163209
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayable

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value3889000.03449000.04625000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsPayable100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value12414592
Percentage of DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value189235209
Percentage of DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value131315
Percentage of DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherAssets

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value585232
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherAssets100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Disposal
Period End2020-09-302020-06-302019-12-31
Value6741000.07477000.06710000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1064576374740363234
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:PerformanceShares


Employee
Period End2020-12-312019-12-31
Value9.27.1
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0

us-gaap:RestrictedStock


Employee
Period End2020-12-312019-12-31
Value3.51.5
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions38.021.1

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312019-12-31
Value1812
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions198.9177.5

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions


Employee
Period End2020-12-31
Value2300000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount

us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount


Equity
Period End2021-06-30
Value8500000.0
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAmount100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value141516171920181920
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability us-gaap:PropertyPlantAndEquipmentByType

mgln:LandAndEquipment


Finance
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1415161718
Percentage of FinanceLeaseLiability100.0100.099.6100.0100.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Finance
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value0.0161.2881.2981.2151.194
Percentage of FinanceLeaseLiability0.18.57.96.96.6

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value4483000.04455000.04460000.04416000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value9.67101113
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value11121113
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization us-gaap:PropertyPlantAndEquipmentByType

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:Equipment


Finance
Period End2020-12-312019-12-31
Value3226
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization100.0100.0

us-gaap:LandBuildingsAndImprovements


Finance
Period End2020-12-312019-12-31
Value1026
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization32.1100.3

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.44.44.394.39
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value326334284232193185158128122115105958574
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

mgln:CustomerAgreementsAndLists


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value306309262218181174148121115109100908171
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization93.792.692.393.893.893.994.194.694.794.794.995.095.095.0

mgln:ProviderNetworksAndOther


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value2024211412119.2846.8976.4926.0915.4074.754.2563.758
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization6.37.47.76.26.26.15.95.45.35.35.15.05.05.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value30
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value5100000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value5800000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value9300000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value17
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

mgln:CustomerAgreementsAndLists


Finite
Period End2020-12-312019-12-312018-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value380441441314274249249249163121121121
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

mgln:ProviderNetworksAndOther


Finite
Period End2020-12-312019-12-312018-12-312016-09-302015-12-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-312010-12-31
Value2429441716131313118.7438.7437.43
Percentage of FiniteLivedIntangibleAssetsGross6.36.710.15.66.15.25.25.37.17.27.26.1

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value406501516501379291
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LettersOfCreditOutstandingAmount


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312016-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value33333232326766666666333233435868364144
Percentage of LettersOfCreditOutstandingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Liabilities
Period End2020-09-302020-06-302019-12-31
Value496504447
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent


Liabilities
Period End2020-09-302020-06-302019-12-31
Value496504409
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:DiscontinuedOperationsHeldforsale, mgln:MagellanCompleteCareBusiness


Liabilities
Period End2020-09-302020-06-302019-12-31
Value496504409
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense


Liability
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value107408394326188253278242222157
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent

us-gaap:LiabilityForUncertainTaxPositionsNoncurrent


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12111111111614161716161415141414151413121313128.809111112143433323262616061105104102109120118117118
Percentage of LiabilityForUncertainTaxPositionsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCredit

mgln:CreditAgreement2017, us-gaap:UnsecuredDebt


Line
Period End2021-06-302021-03-312020-12-31
Value154158263
Percentage of LineOfCredit100.0100.0100.0

mgln:CreditAgreement2017SeniorUnsecuredTermLoanFacility, us-gaap:UnsecuredDebt


Line
Period End2020-12-312019-12-31
Value263280
Percentage of LineOfCredit100.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

mgln:CreditAgreement2017, us-gaap:UnsecuredDebt


Line
Period End2020-09-302020-06-302020-03-31
Value400320400
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0

mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility, us-gaap:UnsecuredDebt


Line
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value4004004008080400
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.00.025.020.00.0

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312011-03-312010-12-31
Value3.1766.5436.5214.30884843.4913.5462125246490611121942842840311850221916151515153.0050.5590.559
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtFairValue us-gaap:DebtInstrument, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LongTermDebtFairValue

mgln:CreditAgreement2017SeniorUnsecuredTermLoanFacility, us-gaap:FairValueInputsLevel2


Long
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value154158267271276285319
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0

mgln:SeniorNotesDue20244.400Percent, us-gaap:FairValueInputsLevel1


Long
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value399387371366331399399382387389399406
Percentage of LongTermDebtFairValue258.7244.0138.8134.7119.9140.2124.90.00.00.00.00.0

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

mgln:CreditAgreement2017SeniorUnsecuredTermLoanFacility, us-gaap:FairValueInputsLevel2, us-gaap:UnsecuredDebt


Long
Period End2020-12-312019-12-31
Value263280
Percentage of LongTermDebtFairValue0.00.0

mgln:SeniorNotesDue20244.400Percent, us-gaap:FairValueInputsLevel1, us-gaap:SeniorNotes


Long
Period End2020-12-312019-12-31
Value381403
Percentage of LongTermDebtFairValue0.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

mgln:CreditAgreement2017SeniorUnsecuredTermLoanFacility, us-gaap:UnsecuredDebt


Long
Period End2020-12-312020-09-302019-12-31
Value25825817
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

mgln:CreditAgreement2017, us-gaap:UnsecuredDebt


Long
Period End2021-06-30
Value154
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

mgln:CreditAgreement2017SeniorUnsecuredTermLoanFacility, us-gaap:UnsecuredDebt


Long
Period End2020-12-312020-09-302019-12-31
Value5.09.45.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo0.00.00.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:LongtermDebtType

us-gaap:UnsecuredDebt


Long
Period End2021-03-31
Value158
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo0.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

mgln:CreditAgreement2017SeniorUnsecuredTermLoanFacility, us-gaap:UnsecuredDebt


Long
Period End2020-09-30
Value0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear0.0

us-gaap:LongtermDebtWeightedAverageInterestRate us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:LongtermDebtWeightedAverageInterestRate

mgln:CreditAgreement2017SeniorUnsecuredRevolvingCreditFacility, us-gaap:UnsecuredDebt


Longterm
Period End2021-06-302021-03-312020-12-31
Value1.861.862.01
Percentage of LongtermDebtWeightedAverageInterestRate100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.993.184.794.79
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:DisposalGroupClassification, us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness, us-gaap:DomesticCountry


Operating
Period End2020-12-31
Value1.3
Percentage of OperatingLossCarryforwards100.0

us-gaap:DiscontinuedOperationsDisposedOfBySale, mgln:MagellanCompleteCareBusiness, us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-31
Value13
Percentage of OperatingLossCarryforwards1030.8

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Operating
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value171627272727383838381.81.81.81.82.42.42.42.43.03.03.03.03.6
Percentage of OperatingLossCarryforwards0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StateAndLocalJurisdiction


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value757575898989888888888893939393104103103103136153153153144160160160152
Percentage of OperatingLossCarryforwards0.00.05769.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherRestrictedAssetsCurrent

us-gaap:OtherRestrictedAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8251434973423842454543524749412332343842322927312731303229302526242420252222202124232115
Percentage of OtherRestrictedAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value733699
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value141142136131141131
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value870831
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount


Redeemable
Period End2021-06-302021-03-312020-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value3333334.7043.9194.4924.774.1684.3686.0915.9378.2468.1988.5485.9577.28.5559.21410
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RedeemableNoncontrollingInterestEquityCarryingAmount us-gaap:Ownership

mgln:AureliaHealthLlc


Redeemable
Period End2021-06-302021-03-312020-12-31
Value333333
Percentage of RedeemableNoncontrollingInterestEquityCarryingAmount100.1100.0100.1

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value537549482812314617110565160577317022998837381558080133135131205215165167264236208189221226245208184185155103101116159
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems

mgln:CorporateAndEliminations


Restricted
Period End2020-12-312018-12-312017-12-312016-12-312014-12-31
Value3.1882.9540.1680.1671.644
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue6.51.80.10.20.8

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, mgln:HealthcareSegment


Restricted
Period End2020-12-312019-12-312018-12-312017-12-31
Value33144157220
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue67.898.597.896.4

us-gaap:OperatingSegments, mgln:PharmacyManagement


Restricted
Period End2020-12-312019-12-312018-12-312017-12-31
Value122.2260.5768.059
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue25.71.50.43.5

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:RestructuringPlan

us-gaap:RestructuringAndRelatedCostExpectedCost1

mgln:TransformationInitiative2020


Restructuring
Period End2020-09-30
Value35
Percentage of RestructuringAndRelatedCostExpectedCost1100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302014-03-312013-12-31
Value8.44610112.4191112
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve us-gaap:RestructuringCostAndReserve

us-gaap:ContractTermination


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.610.610.610.506
Percentage of RestructuringReserve7.25.95.320.9

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302014-12-312014-09-302014-06-302013-12-31
Value7.8369.755101.9130.9515.719.64112
Percentage of RestructuringReserve92.894.194.779.10.00.00.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.86.06.88.824376.74.65.97.11612
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SeniorNotes

us-gaap:SeniorNotes


Senior
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value359359359359388
Percentage of SeniorNotes100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value87.5187.5199.899.1199.0699.22104.27103.76103.76103.76103.38103.03103.03103.0984.6384.6384.784.6793.0393.0393.0493.0485.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStock


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value77.3377.3376.7270.767.1465.465.465.466.6689.0589.0589.0589.0568.068.058.4758.8358.7158.7158.2457.8257.8857.8857.7957.7957.6957.6657.6657.6556.5956.5952.8252.8242.2542.2552.1139.2330.27
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue88.488.476.971.367.865.962.763.064.285.886.186.486.466.080.369.169.569.363.162.662.162.268.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-312009-12-31
Value78.9578.7365.8365.5465.0165.1274.1273.7273.7374.0386.6886.0386.1686.0566.4666.2966.2866.2361.6561.5861.6661.7261.5361.861.861.7654.8854.8954.8854.8850.2150.2150.1950.1947.3844.6338.4334.99
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue90.290.066.066.165.665.671.171.071.171.383.883.583.683.578.578.378.378.266.366.266.366.372.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue


Share
Period End2020-12-31
Value6400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value79.677.2476.4174.45
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue


Share
Period End2020-12-31
Value12
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value78.0876.0775.5173.79
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

us-gaap:SharePrice

us-gaap:SharePrice


Share
Period End2020-12-31
Value82.84
Percentage of SharePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value10
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2020-12-31
Value186
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0

us-gaap:TreasuryStockCommonShares

us-gaap:TreasuryStockCommonShares


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2929292929292929292929292828282828282826
Percentage of TreasuryStockCommonShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockCommonValue

us-gaap:TreasuryStockCommonValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value14641464146414641464146414641464146414641461144014121397139713911381137613761269
Percentage of TreasuryStockCommonValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value300000.0700000.0600000.0500000.0300000.0200000.0600000.01500000.02700000.02800000.03700000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6.21012109.18.69.223458088
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnsecuredDebt

us-gaap:UnsecuredDebt


Unsecured
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value154158263267280
Percentage of UnsecuredDebt100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents
(None,)
Common Stock Shares Outstandingus-gaap: Statement Equity Components
us-gaap:GrossProfit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Gross Profitus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:AccountsReceivableNetCurrent
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Accounts Receivable Net Currentus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Goodwillus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Goodwill
us-gaap:ReportingUnit
(None,)
Goodwillus-gaap: Reporting Unit
us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Intangible Assets Net Excluding Goodwillus-gaap: Consolidation Items, us-gaap: Statement Business Segments
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
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components