MD


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

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

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:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
us-gaap:DisposalGroupClassification

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss

us-gaap:ProfitLoss

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:Land

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:MinorityInterest

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:MinorityInterest

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:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:CreditFacility
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DisposalGroupClassification

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

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationCostOfSalariesAndBenefits
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationCostOfServiceSuppliesAndOtherOperatingExpenses
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationGainOrLossOnAssetsHeldForSale
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationGoodwillImpairment
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationOtherIncomeexpense
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationTransformationalAndRestructuringExpenses

md:IncreaseDecreaseInAccruedSalariesAndBonuses
us-gaap:DisposalGroupClassification
md:IncreaseInDeferredTaxAssets
us-gaap:DisposalGroupClassification
md:NetProceedsForTheRadiologyServicesMedicalGroup
md:ExtraordinaryItems, us-gaap:TitleOfIndividual
md:PercentageIncreaseDecreaseInSalaryAndWage

md:PercentageOfNetPatientServiceRevenueByTypeOfPayor
us-gaap:HealthCareOrganizationRevenueSources
md:ExtraordinaryItems, us-gaap:TaxPeriod
md:PercentageOfRefundOfIncomeTaxAtThePriorPeriodCorporateTaxRate

md:PracticeSalariesAndBenefits

md:PracticeSuppliesAndOtherOperatingExpenses

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AssetImpairmentCharges
md:DeferredTaxAssets, us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupClassification
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod
us-gaap:DisposalGroupClassification
us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
us-gaap:DisposalGroupClassification
us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

us-gaap:GainLossOnSaleOfProperties

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupClassification
us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable
us-gaap:DisposalGroupClassification

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeNet

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentsOfFinancingCosts
us-gaap:AwardType
us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
us-gaap:DisposalGroupClassification
us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

us-gaap:RepaymentsOfSeniorDebt

us-gaap:RestructuringCharges
us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
us-gaap:AwardType
us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation
us-gaap:PlanName
us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents
us-gaap:DisposalGroupClassification
us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions
us-gaap:DisposalGroupClassification
us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

md:AccountsPayableAndAccruedLiabilitiesExcludingAccruedIncomeTaxesCurrent

md:AccruedPayrollTaxesAndBenefitsCurrent

md:AccruedProfessionalLiability

md:AccruedSalariesAndIncentiveCompensationCurrent
us-gaap:DisposalGroupClassification, us-gaap:TaxPeriod
md:CapitalLossCarryForward

md:CapitalLossCarryforwards
us-gaap:DisposalGroupClassification, us-gaap:TaxPeriod
md:Capitallosscarryforward

md:DeferredTaxAssetsOperatingLeaseAssets

md:DeferredTaxLiabilitiesChangeInAccountingMethod
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationLongTermProfessionalLiabilitiesCurrent
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationOperatingAndFinanceLeasesLiabilitiesCurrent
us-gaap:DisposalGroupClassification
md:DisposalGroupIncludingDiscontinuedOperationOperatingLeasesRightOfUseAssetsCurrent

md:LongTermDebtAndCapitalLeaseObligationsExcludingLongTermLineOfCredit

md:LongTermDebtNet
us-gaap:CreditFacility

md:MalpracticeLossContingencyAccrualUndiscountedExcludingRetainedProfessionalLiabilitiesRelatedToAnesthesiologyAndRadiologyOperations
us-gaap:DisposalGroupClassification
md:MaximumConsiderationReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
md:MoneyMarketFundsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
md:MutualFundsFairValueDisclosure

md:OperatingAndFinanceLeaseRightOfUseAssets
md:ExtraordinaryItems
md:ProceedsFromContributionInAidOfReimbursementOfLostRevenue
us-gaap:DisposalGroupClassification
md:PurchaseConsiderationCashPayment

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccruedSalariesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:DisposalGroupClassification
us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AvailableForSaleSecurities
us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:BuildingsAndImprovementsGross
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationContingentConsiderationLiability
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations
us-gaap:PlanName
us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

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

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards
md:DeferredTaxAssets, us-gaap:DisposalGroupClassification
us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets
us-gaap:BusinessAcquisition

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent
us-gaap:DisposalGroupClassification
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FixturesAndEquipmentGross

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued

us-gaap:IncomeTaxesReceivable

us-gaap:InsuranceSettlementsReceivable

us-gaap:InterestPayableCurrent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:InvestmentsFairValueDisclosure

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
us-gaap:CreditFacility
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:DisposalGroupClassification
us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent
us-gaap:CreditFacility
us-gaap:LineOfCredit

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:MalpracticeLossContingencyAccrualUndiscounted

us-gaap:MalpracticeLossContingencyAccrualUndiscountedCurrent

us-gaap:MalpracticeLossContingencyAccrualUndiscountedNoncurrent
us-gaap:CashAndCashEquivalents
us-gaap:MoneyMarketFundsAtCarryingValue
us-gaap:DebtInstrument
us-gaap:NotesPayable
us-gaap:CreditFacility, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:NotesPayableFairValueDisclosure
us-gaap:DebtInstrument

us-gaap:OperatingLossCarryforwards

us-gaap:PrepaidExpenseCurrent

us-gaap:SelfInsuranceReserveCurrent

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:CreditFacility

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Finite Lived Intangible Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Accrued Income Taxes Current
Noncurrent Liabilities
Minority Interest
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Amortization Of Financing Costs And Discounts
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Businesses Net Of Cash Acquired
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
AccountsReceivable
Accounts Receivable Net Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:CommonStockValue ▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████▁▁▁0.8630.8620.8560.8550.8550.8520.8420.8420.8410.8640.8780.8930.9340.9440.9370.9360.9350.9290.9370.9360.9350.9290.9370.940.940.9340.961.0031.0020.9951.0120.5020.5060.502
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStockNA86.2185.59385.50485.53685.1584.24884.18584.09686.38787.8289.34993.37494.38893.721NANANA93.718NANANA93.739NANANA96.03NANANA101.207NANANA
us-gaap:CommonStockSharesAuthorized 200.0NA200.0NA200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0200.0100.0100.0100.0
us-gaap:CommonStockSharesOutstanding 85.593NA85.593NA85.53685.1584.24884.18584.09686.38787.8289.34993.37494.38893.72193.55693.4892.90493.71893.57293.50192.92293.73993.99294.02693.44896.03100.346100.17499.465100.03850.24750.58650.169
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▆▆▆▆▆▅▆▅▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█████▁▁▁85.93385.49185.08283.86283.74582.79983.28882.44183.68986.54588.25891.35993.52993.50593.15992.88192.81293.14393.34793.14692.94593.09193.53693.64693.49595.32599.129100.14599.866100.696101.0850.58950.54950.392
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█████▁▁▁84.91284.52684.31683.86283.4982.79982.59282.44183.23486.07387.8190.98492.98792.85992.75692.58992.18192.3692.72892.60492.18292.26992.7992.94992.594.23198.06699.08898.41199.07699.46949.75349.55849.309
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.0130.018NA0.8291.3350.849NA0.9620.9230.504NA0.2140.3920.001NA0.380.0080.003NANANA0.006NA0.00.0NANA0.00.0NANANA0.069NA
us-gaap:EarningsPerShareBasic █▇▇▇▄▇▇▁▇▆████████████████████████0.410.21-0.76-0.49-8.05-0.230.11-15.24-0.1-2.820.690.720.850.681.470.710.690.590.841.040.890.741.00.980.910.730.90.870.80.640.791.551.41.12
us-gaap:EarningsPerShareDiluted █▇▇▇▄▇▇▁▇▆████████████████████████0.410.21-0.76-0.49-8.03-0.230.11-15.24-0.1-2.810.680.720.850.681.460.710.690.590.841.040.890.730.990.970.90.720.890.860.790.630.781.521.371.1
us-gaap:IncomeLossFromContinuingOperationsPerBasicShare ▁▁▁▁▁▁▁▁▁▁█▁▁▁3.6e-076e-085.0000000000000004e-08-3e-089e-08-2.0000000000000002e-074.0000000000000003e-07-1.5289999999999998e-054.3e-074.8e-070.00076.800000000000001e-078.000000000000001e-076.5e-07NANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare ▁▁▁▁▁▁▁▁▁▁█▁▁▁3.6e-076e-085.0000000000000004e-08-3e-089e-08-2.0000000000000002e-074.0000000000000003e-07-1.5289999999999998e-054.2e-074.8e-070.00076.800000000000001e-078.000000000000001e-076.4e-07NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
 TTM Greenblatt ROC _ _█▇▇▇▇▇█▁██████████████████████████50.01626.10432.30520.45934.90813.11864.751-1359.75580.578.455103.574109.162128.679104.433125.703126.432121.904106.037142.778156.891147.785124.233150.96151.13140.957114.821141.087138.143129.672104.097123.917123.291113.37191.552
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:AllocatedShareBasedCompensationExpense ▂▁▁▁▂▂█▃▃▃▃▃▃▃▂▂▂▂▃▃▃▃▃▃▃▂▂▃▂▃▃▃▂▂5.83.72.94.56.67.826.68.010.011.09.48.910.59.97.17.77.37.58.18.78.38.98.18.28.07.87.88.17.78.18.18.17.87.3
us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal NANANA36.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification md:NorthAmericanPartnersInAnesthesiaNANA15.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▁0.0-14.532NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▃▃▁▃▄▇▆▇▇▇█▇▇██▇▇▇▆▆▆▅▅▄▃▃▃▂▂▂▁▁▁▁70.96866.51654.67166.34677.674105.23596.926102.356103.54101.821112.789102.905107.908108.776108.895101.43103.015103.76597.04993.45792.11689.9585.39380.18572.40167.93667.64160.64360.82958.41455.63654.65454.60153.318
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest █▇▇▇▇▇█▁██████████████████████████37.890.38910.3564.02510.973-13.82440.807-1386.03452.63250.61581.3790.448109.53487.487108.342107.999104.42389.658127.998140.693133.926111.182143.995146.28136.937112.517138.874137.412127.969104.361123.397122.156112.09490.765
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest ███████▁██████30.5275.3444.487-2.6527.6-16.1132.983-1260.24635.51641.65361.66262.16774.77560.007NANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▆▆▆▆▆▆▁▇▆▇▇▇▇▅▇▇▇███████████▇███▇7.363-4.9555.8696.6773.3732.2867.824-125.78817.1168.96221.15624.87330.12224.059-27.76142.11940.72534.96749.91944.27251.60143.41151.58155.6452.88943.92850.59451.17448.94440.70144.42345.19842.87635.398
us-gaap:InterestExpense ▅▅▇▇▇▇▇███▇▆▆▅▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁▁▁▁▁▁16.87917.64527.30227.2528.26527.60827.67729.90131.0830.72325.44821.78221.60419.93519.84418.42818.53517.75216.35617.21515.05814.4638.4936.2015.1493.2673.3132.0192.1881.3711.0461.5071.6731.189
us-gaap:NetIncomeLoss ▇▇▇▇▄▇▇▁▇▆████████████████████████35.01117.642-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.87260.21465.57579.41263.428136.10365.8863.69854.69178.07996.50982.42767.89992.70290.78184.1368.70788.39886.20779.01663.6678.97476.95869.21855.367
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest █▁0.006-0.008NANANANANANANANA0.00.00.00.0NANANANA0.0-0.088-0.102-0.128-0.288-0.141-0.082-0.118-0.1180.0310.009NANANANANA
us-gaap:NonoperatingIncomeExpense ▅▂▂▄▂▁▂▁▁▁▂▃▃▄▄▃▄▄▄▄▄▅▆▇▇▇▇██████-12.126-25.715-21.949-16.434-23.935-26.942-23.944-26.279-27.868-27.84-22.204-18.714-19.145-16.946-17.361-18.433-17.481-16.379-14.78-16.198-13.859-13.051-6.965-4.85-4.02-2.304-2.213-0.731-1.7030.264-0.52-1.135-1.277NA
us-gaap:OperatingExpenses ▁▁▁▁▁▃▃█▃▂▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁422.943420.649384.325440.176474.295832.8840.6242248.43787.809772.728829.122787.49787.239797.424785.117742.519721.04729.56687.992671.115623.974628.391590.78571.143535.631524.574509.438488.363465.872462.241443.47431.439415.809411.163
us-gaap:OperatingIncomeLoss █▇▇▇▇▇█▁██████████████████████████50.01626.10432.30520.45934.90813.11864.751-1359.75580.578.455103.574109.162128.679104.433125.703126.432121.904106.037142.778156.891147.785124.233150.96151.13140.957114.821141.087138.143129.672104.097123.917123.291113.37191.552
us-gaap:ProfitLoss ▇▇▇▇▄▇▇▁▇▆▇██████████████████████35.00517.634-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.8720.065.57579.41263.428136.10365.8863.69854.69178.07996.42182.32567.77192.41490.6484.04868.58988.2886.23879.02563.6678.97476.95869.218NA
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▂▁▁▂▂▇█▇▇▇█████▇▇▇▇▇▆▆▅▅▅▄▄▄▃▃▃▃▃▂472.959446.753416.63460.635509.203845.918905.375888.675868.309851.183932.696896.652915.918901.857910.82868.951842.944835.597830.77828.006771.759752.624741.74722.273676.588639.395650.525626.506595.544566.338567.387554.73529.18502.715
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:Assets ▁▁▃▃▃▅▄▅▇██████▇▇▇▇▇▆▅▅▅▅▃▃▃▂▂▂▂▂▂2555.132483.7443347.9483424.8263387.2124319.6624145.9014290.6615638.8115706.2575934.9115838.7245859.6385883.0745867.2785680.5235407.3965424.8855339.45343.8644771.4144636.2874547.2144546.4954275.1393646.3143608.7953478.2173174.53099.1443049.432979.8652889.392792.656
us-gaap:Liabilities ▄▄▇▇▇█▇█████▇▇█▇▇▇▇▇▆▆▅▆▅▄▃▂▁▁▁▁▁▁1746.0061716.7612600.2312619.822560.6422832.2662646.9052811.3012913.7842926.4452847.0272823.4192672.7162739.5862800.8242763.9492569.1482662.4152578.6332676.5272213.3612175.6872109.3682212.7542054.8441532.2521343.229973.105769.723792.064706.442745.771696.245686.9
us-gaap:LiabilitiesAndStockholdersEquity ▁▁▃▃▃▅▄▅▇██████▇▇▇▇▇▆▅▅▅▅▃▃▃▂▂▂▂▂▂2555.132483.7443347.9483424.8263387.2124319.6624145.9014290.6615638.8115706.2575934.9115838.7245859.6385883.0745867.2785680.5235407.3965424.8855339.45343.8644771.4144636.2874547.2144546.4954275.1393646.3143608.7953478.2173174.53099.1443049.432979.8652889.392792.656
us-gaap:StockholdersEquity ▁▁▁▁▁▃▃▃▇▇█████▇▇▇▇▇▆▆▆▆▅▅▅▆▆▅▆▅▅▅808.906766.759747.485804.761826.571487.3961498.9961479.362725.0272779.8123087.8843015.3053186.9223143.4883066.4542916.5742838.2482762.472760.7672667.3372557.9652460.4112437.5282333.1352219.5482113.2332264.6192504.0472403.7432307.082342.9882234.0942193.1452105.756
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:AssetsCurrent ▃▃▇█▃▄▃▄▄▅▃▂▂▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁752.313665.3991549.3481651.16688.329940.896731.507965.301985.521057.416657.409625.401624.93622.675627.235653.323557.57562.438587.128575.457548.477551.439527.769573.178525.504477.957467.052481.061407.698395.996408.839372.963367.691394.628
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▃█▃▂▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁338.157269.631123.843294.512132.151312.155112.76728.8924.48226.47636.74534.46138.05640.93960.248.40340.42341.83955.69852.80551.89255.49151.57260.91565.32250.21947.92871.82217.71319.77531.13716.24213.16334.425
us-gaap:AccountsReceivableNetCurrent ▁▁▁▂▃▆▇▇▇█████▇▇▇▇▇▇▆▆▆▅▄▄▄▃▃▃▂▂▂▂248.055245.736241.931267.125345.682476.991498.869494.699504.19522.638542.272522.826527.997542.609503.999520.012480.402487.685495.276486.957461.16465.826444.737406.761380.545360.874352.191345.169327.41315.689285.397272.814269.774263.82
us-gaap:OtherAssetsCurrent ▂▁█▃▅▃▃▃▂▂▂▂▂▂▅█▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁17.38710.38261.80620.28741.08320.85123.44219.93917.67816.6817.70616.30814.22316.59237.1660.61113.26911.95413.81711.95813.38313.03712.96811.98210.7158.4647.90110.81810.87611.2728.0079.4159.7769.258
us-gaap:Land NANA6.683NANANA6.683NANANA6.683NANANA6.683NANANA6.683NANANA6.683NANANA6.683NANANA6.683NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA236.634NANANA296.594NANANA340.853NANANA293.16NANANA246.776NANANA202.968NANANA162.943NANANA146.91NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA160.443NANANA202.102NANANA207.816NANANA169.624NANANA143.708NANANA119.334NANANA96.895NANANA86.999NANANA
us-gaap:PropertyPlantAndEquipmentNet ▂▃▂▃▄▅▄▄▄▄██▇▇▇▆▆▅▅▄▄▄▃▃▃▂▂▁▁▁▁▁▁▁68.48180.80576.19178.5798.469100.22794.49293.73192.7289.037133.037137.832131.922127.055123.536114.839110.476108.261103.06898.49589.89687.74283.63482.87381.36267.27466.04863.59660.17860.759.91160.93161.40860.275
us-gaap:Goodwill ▁▁▁▁▃▄▄▄▇▇█████▇▇▇▇▇▆▆▆▆▅▄▄▄▄▃▃▃▃▃1487.1051482.4971477.9681480.6682165.022710.2922710.2922634.8744069.5644065.5064382.9954303.4274304.744301.5084283.9634118.2343948.3393946.1033845.1573828.8073510.3823387.4733366.153347.8233163.8662813.6732776.1882659.3312516.2532457.5742393.7312354.1892273.2882165.169
us-gaap:FiniteLivedIntangibleAssetsNet ▁▁▁▁▃▄▄▄▄▄▇▇▇██████19.98921.48326.64227.665200.408263.308274.407279.605286.101300.662588.312595.415614.226629.308639.928643.214643.002660.383668.529NANANA424.219NANANA198.136NANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA7.274NANANA104.3981.0NANA73.7NANANANANANANANANANANANANANANANANANANA-80.675NANANA
us-gaap:OperatingLeaseRightOfUseAsset NANA44.92658.99375.81779.8182.82484.27989.85790.9830.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▂▂▂▁▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▂▂▂▁█▇▄▄▄▂▂▂▂▂▂114.405110.058107.35564.8297.94292.34689.99490.64115.049102.653103.45995.42392.63492.22991.93468.62861.72360.47556.54390.217101.947100.74182.154483.351442.474223.608235.425212.438132.295128.362129.438129.972127.152113.939
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▄▄▆▆▅▄█▇▆▄▇▆▅▄▇▆▄▃▆▅▄▃▆▅▄▂▅▄▃▂▄▃▂▁329.918306.41423.157388.517360.909323.363511.866441.972386.408312.957469.342413.739358.255302.565438.017402.309320.051256.321407.938363.291300.08260.37395.807351.644286.719212.29380.658300.321241.766178.088308.754256.596204.154150.725
us-gaap:AccountsPayableCurrent ▅███▆▆▅▅▄▄▄▄▄▄▄▃▄▃▄▃▃▄▃▃▃▃▄▃▃▂▂▁▁▁40.65859.06959.77160.95648.98247.51939.6138.32932.38632.14931.05930.70928.37731.65834.63227.33930.36523.88528.47423.34627.91330.63721.96922.3425.19122.82632.78322.17425.38617.85518.60511.47411.749.584
us-gaap:AccruedIncomeTaxesCurrent NANA0.026NA0.00.06.5054.7631.65644.97130.59821.66752.09853.29392.00744.3793.05747.93618.95730.12115.05540.5121.08141.13613.04744.70225.1528.6120.93844.00517.94617.2998.52240.075
us-gaap:LiabilitiesCurrent ▄▄▆▇▅▄█▇▆▅▇▆▅▄█▇▄▄▆▅▄▃▆▅▃▃▅▄▂▂▄▃▁▁351.105326.958444.335488.364383.933346.4541.818500.79441.046415.183500.193435.941411.213356.989531.425475.994350.148328.613448.949413.033332.104312.744428.771404.572311.81267.427416.273329.28262.807222.195326.792273.994212.773190.895
us-gaap:OperatingLeaseLiabilityCurrent ▆▆▆▆▇▇████▁18.84818.17918.93318.69521.59822.3423.31723.46924.49424.7260.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ██▆▄▆▅▇▇▆▅▅▅▆▅▇▇▅▄▆▅▄▅▄▄▃▃▃▂▁▁▁▁▁▂57.92360.91751.26438.09946.95643.11555.89454.00650.52440.07544.91240.04646.47544.62853.61852.244.98537.61950.9541.59938.49645.04734.833.98628.92729.84829.89922.09820.92120.9718.1520.18618.94521.402
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:LongTermDebt NANA1700.0NANANA1700.0NANANA1969.818NANANA1846.133NANANA1702.132NANANA1270.404NANANA568.0NANANA27.0NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▁▆▆▆█48.42861.74661.74663.6368.681NA56.468NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▃▅█0.2180.2240.2320.245NANANANANANANANANANANANANANANANA0.0880.1890.3180.6060.7470.8290.947NANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▄▂▅▅▆▁▁▁▁▁▃▄▃▇▇▄▅▅▅▅▇▇▆▇██▇▆▇▇▇█▇▆42.53426.12345.3242.97752.9821.33722.921.90722.44721.58132.25440.94136.19956.52957.90542.28145.7447.4545.17446.49558.25355.97852.28957.2264.41661.46758.96354.50759.12958.43260.98563.31657.34454.976
us-gaap:OperatingLeaseLiabilityNoncurrent ▅▅▅▅▇▇█▇██▁39.97737.85740.9740.2256.93662.23867.00565.28770.53171.1620.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA16.584NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA12.397NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA8.125NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA4.063NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA3.877NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:StockholdersEquity ▁▁▁▁▁▃▃▃▇▇█████▇▇▇▇▇▆▆▆▆▅▅▅▆▆▅▆▅▅▅808.906766.759747.485804.761826.571487.3961498.9961479.362725.0272779.8123087.8843015.3053186.9223143.4883066.4542916.5742838.2482762.472760.7672667.3372557.9652460.4112437.5282333.1352219.5482113.2332264.6192504.0472403.7432307.082342.9882234.0942193.1452105.756
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▁▁▁▁▁▃▃▃▇▇█████809.124766.983747.717805.006826.571487.3961498.9961479.362725.0272779.8123087.8843015.3053186.9223143.4883066.454NANANA2760.7672667.3372558.0532460.62437.8462333.7412220.2952114.0622265.5662505.1122404.777NA2342.988NANANA
us-gaap:CommonStockValue ▆▆▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇████▁▁▁0.8630.8620.8560.8550.8550.8520.8420.8420.8410.8640.8780.8930.9340.9440.9370.9360.9350.9290.9370.9360.9350.9290.9370.940.940.9340.961.0031.0020.9951.0120.5020.5060.502
us-gaap:AdditionalPaidInCapitalCommonStock ███▇▇▆▆▅▅▅▆▆██▇▆▆▅▅▅▄▃▃▃▂▁▁1039.2311032.2121029.4531023.9741004.786995.257987.942977.709967.429977.872992.647998.671032.5731030.9271017.3281003.551991.106979.032974.304958.953946.091930.97926.235917.541897.59875.411886.877NANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▁▁▁▁▃▃▃▇▇█████▇▇▇▇▇▆▆▆▆▆▅▆▆▆▆▆▆▆▆-233.701-268.712-286.354-222.058-179.071491.287510.212500.8091756.7191801.272094.3592015.7422153.4152111.6172048.1891912.0871846.2071782.5091785.5261707.4481610.9391528.5121510.3561414.6541321.0181236.8881376.7821604.4841518.2771447.6291484.0231405.0491371.3731302.155
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃█▁2.5132.3973.531.99NANA0.078NA0.038-0.1940.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:MinorityInterest ▁▃▅█0.2180.2240.2320.245NANANANANANANANANANANANANANANANA0.0880.1890.3180.6060.7470.8290.947NANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁5.7353.717NA23.3167.4898.035NA8.0915.0811.1NA8.94510.5249.875NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▄▇█▁▇▇▆▃▇▇▇▂██53.587-82.188-11.866169.935192.982-146.431127.621156.181119.652-56.817127.594140.727135.238-113.634195.635199.93NANANANANANANANANANANANANANA138.619157.931127.235-18.387
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃█▃▃▂▄▂▂▃▂▃▂▂▁▁14.089-10.364840.611-3.441-1.439-20.22156.977-27.219-18.612-8.691-94.989-8.806-16.798-22.176-189.136-247.656NANANANANANANANANANANANANANA-44.708-79.81-123.337-15.635
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▁▆▆▃█▄▅▅▆▆▅▅▆▆▆0.851-761.6610.586-4.133-366.65366.039-209.499-143.15-107.08566.664-30.321-135.516-121.323116.54925.29855.706NANANANANANANANANANANANANANA-79.016-75.042-25.1647.167
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▁█▅▄▅▅▄▅▅▅▅▅▄▅▅68.527-854.213829.331162.361-175.107199.38875.099-14.188-6.0451.1562.284-3.595-2.883-19.26131.7977.98NANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▇▆▇▆██▆▁▆▆▆▇▆▇▄▇▇▇▇▇▇▇▇▆▇▇▆▇▇▇▇▇▇▇-1.017-16.0166.078-25.59822.2333.582-22.311-143.736-5.845-5.108-7.2214.283-21.2560.045-76.804-1.72316.272.1841.873-1.80515.4862.59511.624-14.66515.5122.023-7.8512.9187.879-0.387-3.423.1320.582-4.372
us-gaap:DepreciationDepletionAndAmortization ▁▁▁▁▃▅▅▅▅▅██▇▇▇▇▇▇▇▆▅▅▄▄▄▃▃▂▂▂▂▂▂▂8.1068.0317.6927.19514.39318.67319.4119.60819.80920.03329.89128.70926.51826.16326.41425.11625.73525.61425.25424.18520.24119.58418.14916.91815.54913.61213.90311.35610.36110.3710.49110.4619.879.144
us-gaap:IncreaseDecreaseInAccountsReceivable ▅▅▃▅▂▁▄▃▂▆▆▃▂█▂▇▃▃▅▅▃▆█▅▃▅▅▅▅▇▅▄▄▆14.37211.633-7.93114.29-18.392-25.9044.17-9.491-18.44815.91517.771-5.171-14.61238.61-16.88827.446-7.283-11.0789.1888.584-4.86121.08937.76815.498-6.5588.6837.0227.98311.72130.29212.5833.045.95415.754
us-gaap:NetCashProvidedByUsedInOperatingActivities ▅▂▄▇█▁▇▇▆▃▇▇▇▂██53.587-82.188-11.866169.935192.982-146.431127.621156.181119.652-56.817127.594140.727135.238-113.634195.635199.93NANANANANANANANANANANANANANA138.619157.931127.235-18.387
us-gaap:NetIncomeLoss ▇▇▇▇▄▇▇▁▇▆████████████████████████35.01117.642-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.87260.21465.57579.41263.428136.10365.8863.69854.69178.07996.50982.42767.89992.70290.78184.1368.70788.39886.20779.01663.6678.97476.95869.21855.367
us-gaap:ProfitLoss ▇▇▇▇▄▇▇▁▇▆▇██████████████████████35.00517.634-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.8720.065.57579.41263.428136.10365.8863.69854.69178.07996.42182.32567.77192.41490.6484.04868.58988.2886.23879.02563.6678.97476.95869.218NA
us-gaap:ShareBasedCompensation ▂▁▁█▂▃▂▃▄▄▃▃▄▄▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃5.7353.7172.92222.3015.7848.0356.3798.0229.96110.9899.3598.94510.5249.8757.047.7527.2457.5368.1118.6498.3278.9138.1698.1967.9287.8367.8058.0657.7788.0718.0998.0977.8087.284
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃█▃▃▂▄▂▂▃▂▃▂▂▁▁14.089-10.364840.611-3.441-1.439-20.22156.977-27.219-18.612-8.691-94.989-8.806-16.798-22.176-189.136-247.656NANANANANANANANANANANANANANA-44.708-79.81-123.337-15.635
us-gaap:PaymentsToAcquireInvestments ▂▂█▂▄▇▇▅▁▁▁▁▂▅▂▄▂▄▄▄▇▆▅▄▃▂▃▄▃▂▂▂▂▄3.2175.13825.7553.75511.29321.04221.19413.9070.00.00.00.01.84514.0392.9829.4172.91912.40510.10812.18920.38818.29113.5989.4347.2293.7197.289.8785.8223.9041.9363.922.92812.018
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▁▆▆▃█▄▅▅▆▆▅▅▆▆▆0.851-761.6610.586-4.133-366.65366.039-209.499-143.15-107.08566.664-30.321-135.516-121.323116.54925.29855.706NANANANANANANANANANANANANANA-79.016-75.042-25.1647.167
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▁▁▁▁▁▁▁▃▃▁█0.2511.994-0.0025.4520.5012.5420.3550.41665.52778.9820.0250.0NANA0.00.02.07868.1140.00.03.18258.6460.01.450.0233.601360.671.0639.707116.9890.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:CreditFacility md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThreeNANA5.25e-06NANANA5.25e-08NANANA5.25e-08NANANANANANANANANANANA5.25e-08NANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:CreditFacility md:SixPointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySevenNANA6.25e-06NANANA6.25e-08NANANA6.25e-08NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DisposalGroupClassification md:RadiologyServicesMedicalGroupNANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value863000.0862000.0856000.0855000.0855000.0852000.0842000.0842000.0841000.0864000.0878000.0893000.0934000.0944000.0937000.0936000.0935000.0929000.0937000.0936000.0935000.0929000.0937000.0940000.0940000.0934000.0960000.01003000.01002000.0995000.01012000.0502000.0506000.0502000.0500000.0498000.0497000.0492000.0489000.0489000.0487000.0481000.0479000.0470000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Shares Issued

us-gaap:SharesIssued us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock


Shares
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value8685858585848484868789939493939396101504847464548
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-12-202013-12-052013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200100100100100100100100100100100100100100100
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value858585858484848687899394939393929393939293939493961001009910050505050494949484848484746
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value858585838382838283868891939393929293939392939393939599100991001015050505049494949481.1994847471.01247
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
Value84848483838282828386879092929292929292929292929292949899989999494949494848484847474746464646
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 End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-03-312015-09-302015-06-302014-09-302014-06-302013-06-302012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value13000.018000.0829000.01335000.0849000.0962000.0923000.0504000.0214000.0392000.01000.0380000.08000.03000.06000.0000069000.038000.040000.028000.042000.063000.037000.01382000.0155000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value0.410.21-0.76-0.49-8.05-0.230.11-15.24-0.1-2.820.690.720.850.681.470.710.690.590.841.040.890.741.00.980.910.730.90.870.80.640.791.551.41.121.351.351.251.01.211.211.180.961.151.311.060.83
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
Value0.410.21-0.76-0.49-8.03-0.230.11-15.24-0.1-2.810.680.720.850.681.460.710.690.590.841.040.890.730.990.970.90.720.890.860.790.630.781.521.371.11.321.321.220.981.191.191.150.941.121.291.040.81
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.360.060.05-0.030.09-0.20.4-15.290.430.48700.00.680.80.65
Percentage of IncomeLossFromContinuingOperationsPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Income Loss From Continuing Operations Per Diluted Share

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare

us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.360.060.05-0.030.09-0.20.4-15.290.420.48700.00.680.80.64
Percentage of IncomeLossFromContinuingOperationsPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value5.83.72.94.56.67.8268.010.0119.48.9109.97.17.77.37.58.18.78.38.98.18.28.07.87.88.17.78.18.18.17.87.38.07.36.17.07.16.8136.5
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.20.80.71.01.30.92.90.91.21.31.01.01.11.10.80.90.90.91.01.11.11.21.11.11.21.21.21.31.31.41.41.51.51.50.00.00.00.00.00.00.00.0

Disposal Group Not Discontinued Operation Gain Loss On Disposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal


Disposal
Period End2020-09-30
Value36
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.9

us-gaap:DisposalGroupNotDiscontinuedOperationGainLossOnDisposal us-gaap:DisposalGroupClassification

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-12-31
Value15
Percentage of DisposalGroupNotDiscontinuedOperationGainLossOnDisposal0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax md:NorthAmericanPartnersInAnesthesia0.0

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-31
Value0-14532000.0
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.0-3.3

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value70665466771059610210310111210210710810810110310397939289858072676760605855545453504848464243424139373938
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax15.014.913.114.415.312.410.711.511.912.012.111.511.812.112.011.712.212.411.711.311.912.011.511.110.710.610.49.710.210.39.89.910.310.60.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value370.389104.02510-13.82440-1386.03452508190109871081071048912714013311114314613611213813712710412312211290
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.00.12.50.92.2-1.64.5-156.06.15.98.710.112.09.711.912.412.410.715.417.017.414.819.420.320.217.621.321.921.518.421.722.021.218.1

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value305.3444.487-2.6527.6-16.1132-1260.246354161627460
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax6.51.21.1-0.61.5-1.93.6-141.84.14.96.66.98.26.7

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
Value7.363-4.9555.8696.6773.3732.2867.824-125.788178.96221243024-27.76142403449445143515552435051484044454235364138303236362931203124
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 RevenueFromContractWithCustomerIncludingAssessedTax1.6-1.11.41.40.70.30.9-14.22.01.12.32.83.32.7-3.04.84.84.26.05.36.75.87.07.77.86.97.88.28.27.27.88.18.17.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value161727272827272931302521211919181817161715148.4936.2015.1493.2673.3132.0192.1881.3711.0461.5071.6731.1891.2190.6240.8480.5540.6841.0560.9880.9110.8840.4811.1180.71
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 RevenueFromContractWithCustomerIncludingAssessedTax3.63.96.65.95.63.33.13.43.63.62.72.42.42.22.22.12.22.12.02.12.01.91.10.90.80.50.50.30.40.20.20.30.30.20.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3517-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.8726065796313665635478968267929084688886796378766955666560485858554553614938
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.43.9-15.4-8.9-132.1-2.21.0-141.3-0.9-28.56.57.38.77.014.97.67.66.59.411.710.79.012.512.612.410.713.613.813.311.213.913.913.111.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-35.01117-41.044-672.436-18.712-1255.916-8.245-242.872
Percentage of NetIncomeLoss-100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-7.43.9-8.9-132.1-2.2-141.3-0.9-28.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2021-06-302021-03-312018-12-312018-09-302018-06-302018-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value6000.0-8000.000000-88000.0-102000.0-128000.0-288000.0-141000.0-82000.0-118000.0-118000.031000.09000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.0-0.00.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.00.00.0

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-31
Value6000.0-8000.0
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.0-0.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome0.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-12126000.0-25715000.0-21949000.0-16434000.0-23935000.0-26942000.0-23944000.0-26279000.0-27868000.0-27840000.0-22204000.0-18714000.0-19145000.0-16946000.0-17361000.0-18433000.0-17481000.0-16379000.0-14780000.0-16198000.0-13859000.0-13051000.0-6965000.0-4850000.0-4020000.0-2304000.0-2213000.0-731000.0-1703000.0264000.0-520000.0-1135000.0-1277000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-2.6-5.8-5.3-3.6-4.7-3.2-2.6-3.0-3.2-3.3-2.4-2.1-2.1-1.9-1.9-2.1-2.1-2.0-1.8-2.0-1.8-1.7-0.9-0.7-0.6-0.4-0.3-0.1-0.30.0-0.1-0.2-0.2

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


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
Value4224203844404748328402248787772829787787797785742721729687671623628590571535524509488465462443431415411368365349343313312300306282269266269
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax89.494.292.295.693.198.492.8253.090.790.888.987.886.088.486.285.585.587.382.881.180.983.579.679.179.282.078.378.078.281.678.277.878.681.80.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value50263220341364-1359.75580781031091281041251261211061421561471241501511401141411381291041231231139110310799799195937585818263
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10.65.87.84.46.91.67.2-153.09.39.211.112.214.011.613.814.514.512.717.218.919.116.520.420.920.818.021.722.021.818.421.822.221.418.20.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3517-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.8720.0657963136656354789682679290846888867963787669
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.43.9-15.4-8.9-132.1-2.21.0-141.3-0.9-28.50.07.38.77.014.97.67.66.59.411.610.79.012.512.512.410.713.613.813.311.213.913.913.1

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value472446416460509845905888868851932896915901910868842835830828771752741722676639650626595566567554529502
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

md:HospitalsContracts


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value585763616510410797969489879591907775
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.512.815.313.312.812.411.911.011.111.19.69.710.410.19.98.99.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.512.815.313.312.812.411.911.011.111.19.69.710.410.19.98.99.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax md:HospitalsContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:HealthCarePatientService


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value412381348382428734791784765749789758763756765736708
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax87.385.383.583.184.186.887.588.388.288.184.784.583.483.984.084.784.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax87.385.383.583.184.186.887.588.388.288.184.784.583.483.984.084.784.1
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:HealthCarePatientService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.1058.6244.95716156.9365.8285.9936.0436.8779.2073.6495.7865.015
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.21.91.23.63.10.80.60.70.70.81.00.40.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.21.91.23.63.10.80.60.70.70.81.00.40.60.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductAndServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value25552483334734243387431941454290563857065934583858595883586756805407542453395343477146364547454642753646360834783174309930492979288927922750253223462325227221792072206520371689
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
Value174617162600261925602832264628112913292628472823267227392800276325692662257826762213217521092212205415321343973769792706745696686714583476527541517482560590499
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 Assets68.369.177.776.575.665.663.865.551.751.348.048.445.646.647.748.747.549.148.350.146.446.946.448.748.142.037.228.024.225.623.225.024.124.626.023.120.322.723.823.723.327.129.029.6

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
Value25552483334734243387431941454290563857065934583858595883586756805407542453395343477146364547454642753646360834783174309930492979288927922750253223462325227221792072206520371689
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value808766747804826148714981479272527793087301531863143306629162838276227602667255724602437233322192113226425042403230723422234219321052035194918701797173116621590150514471190965959
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.730.922.323.524.434.436.234.548.348.752.051.654.453.452.351.352.550.951.749.953.653.153.651.351.958.062.872.075.774.476.875.075.975.474.076.979.777.376.276.376.772.971.070.40.00.0

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
Value752665154916516889407319659851057657625624622627653557562587575548551527573525477467481407395408372367394359402340361337334305292296292
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 Assets29.426.846.348.220.321.817.622.517.518.511.110.710.710.610.711.510.310.411.010.811.511.911.612.612.313.112.913.812.812.813.412.512.714.113.115.914.515.514.815.314.714.114.517.3

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312012-01-032011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value3382691123294132312112282426363438406048404155525155516065504771171931161334216612221818352315266126232614102
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.210.933.68.63.97.22.70.70.40.50.60.60.60.71.00.90.70.81.01.01.11.21.11.31.51.41.32.10.60.61.00.50.51.20.82.60.51.00.00.81.61.20.71.30.00.00.01.60.00.0

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
Value248245241267345476498494504522542522527542503520480487495486461465444406380360352345327315285272269263248250240236230207194188181164
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 Assets9.79.97.27.810.211.012.011.58.99.29.19.09.09.28.69.28.99.09.39.19.710.09.88.98.99.99.89.910.310.29.49.29.39.49.09.910.310.210.19.59.49.18.99.7

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
Value171061204120231917161716141637601311131113131211108.4647.9011010118.0079.4159.7769.2589.2286.8986.8016.6837.5316.5475.0465.985.24113
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 Assets0.70.41.80.61.20.50.60.50.30.30.30.30.20.30.61.10.20.20.30.20.30.30.30.30.30.20.20.30.30.40.30.30.30.30.30.30.30.30.30.30.20.30.30.8

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6683000.06683000.06683000.06683000.06683000.06683000.06683000.06683000.06683000.06683000.02032000.0
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.10.10.10.10.20.20.20.30.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


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
Value23629634029324620216214613312598
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.17.25.75.04.64.54.54.84.95.54.9

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1602022071691431199686746556
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.93.52.92.72.62.72.92.72.92.8

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value68807678981009493928913313713112712311411010810398898783828167666360605960616059595959606160604243
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.73.32.32.32.92.32.32.21.61.62.22.42.32.22.12.02.02.01.91.81.91.91.81.81.91.81.81.81.92.02.02.02.12.22.22.32.62.62.72.82.92.92.12.6

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
Value14871482147714802165271027102634406940654382430343044301428341183948394638453828351033873366334731632813277626592516245723932354227321652165193918071771174616831614161116011270
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 Assets58.259.744.143.263.962.765.461.472.271.273.973.773.573.173.072.573.072.772.071.673.673.174.073.674.077.276.976.579.379.378.579.078.777.578.776.677.076.276.977.277.978.078.675.2

us-gaap:Goodwill us-gaap:BusinessAcquisition

md:PediatricSubspecialtyPractice


Goodwillus-gaap:
Period End2020-09-30
Value0.8
Percentage of Goodwill0.1
Percentage of Assets0.0
Percentage of Assets md:PediatricSubspecialtyPractice0.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-312014-12-31
Value19212627200263274279286300588595614629639643643660668424198
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.90.80.85.96.16.66.55.15.39.910.210.510.710.911.311.912.212.59.35.5

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

md:OtherTechnology


Finite
Period End2020-12-312019-12-31
Value2.4852.265
Percentage of FiniteLivedIntangibleAssetsNet9.30.8
Percentage of Assets0.10.1
Percentage of Assets md:OtherTechnology0.00.0

md:PhysicianAndHospitalAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value24114153177179135118
Percentage of FiniteLivedIntangibleAssetsNet90.741.626.127.826.831.959.7
Percentage of Assets0.72.82.63.03.43.03.3
Percentage of Assets md:PhysicianAndHospitalAgreements0.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312019-09-302018-12-312013-12-312012-12-312011-12-312010-12-31
Value7.2741048173-80.675-56.843-23.517-13.487
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.22.51.91.2-2.6-2.1-1.0-0.7

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value44587579828489900.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.31.72.21.82.02.01.61.60.0

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
Value114110107649792899011510210395929291686160569010110082483442223235212132128129129127113118909089836566687054
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 Assets4.54.43.21.92.92.12.22.12.01.81.71.61.61.61.61.21.11.11.11.72.12.21.810.610.36.16.56.14.24.14.24.44.44.14.33.63.83.83.73.03.23.33.43.2

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value329306423388360323511441386312469413358302438402320256407363300260395351286212380300241178308256204150255224180122234200159121307346
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.912.312.611.310.77.512.310.36.95.57.97.16.15.17.57.15.94.77.66.86.35.68.77.76.75.810.58.67.65.710.18.67.15.49.38.97.75.310.39.27.75.915.120.5

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4059596048473938323231302831342730232823273021222522322225171811119.584139.971211129.835109.581
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.62.41.81.81.41.11.00.90.60.60.50.50.50.50.60.50.60.40.50.40.60.70.50.50.60.60.90.60.80.60.60.40.40.30.50.40.50.50.50.50.50.5

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:AccruedIncomeTaxesCurrent


Accrued
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0260.00.06.5054.7631.656443021525392443.0574718301540214113442528204417178.52240121916491914152812
Percentage of AccruedIncomeTaxesCurrent100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.20.10.00.80.50.40.90.91.60.80.10.90.40.60.30.90.50.90.31.20.70.80.71.40.60.60.31.40.50.80.72.10.90.70.71.40.6

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
Value351326444488383346541500441415500435411356531475350328448413332312428404311267416329262222326273212190268244197172254215174149320346
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 Assets13.713.213.314.311.38.013.111.77.87.38.47.57.06.19.18.46.56.18.47.77.06.79.48.97.37.311.59.58.37.210.79.27.46.89.89.78.47.411.29.98.47.215.720.5

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value181818182122232324240.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.70.60.50.60.50.60.50.40.40.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value576051384643555450404440464453524437504138453433282929222020182018211111149.77816232017
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.51.51.11.41.01.31.30.90.70.80.70.80.80.90.90.80.71.00.80.81.00.80.70.70.80.80.60.70.70.60.70.70.80.40.50.60.40.71.11.00.8

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value17001700196918461702127056827
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.841.033.231.531.927.915.70.9

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value486161636856
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0
Percentage of Assets1.92.51.81.92.01.4

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value218000.0224000.0232000.0245000.088000.0189000.0318000.0606000.0747000.0829000.0947000.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4226454252212221222132403656574245474546585552576461585459586063575456555859545151514842
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.11.41.31.60.50.60.50.40.40.50.70.61.01.00.70.80.90.80.91.21.21.11.31.51.71.61.61.91.92.02.12.02.02.12.22.52.52.42.42.52.52.42.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value393740405662676570710.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.61.51.21.21.71.41.61.51.31.20.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value16
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.5

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value12
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.4

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value8125000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.2

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value4063000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value3877000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.1

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-31
Value59
Percentage of OperatingLeaseLiability100.0
Percentage of Assets1.8

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value64
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.9

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value4824000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value808766747804826148714981479272527793087301531863143306629162838276227602667255724602437233322192113226425042403230723422234219321052035194918701797173116621590150514471190965959
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.730.922.323.524.434.436.234.548.348.752.051.654.453.452.351.352.550.951.749.953.653.153.651.351.958.062.872.075.774.476.875.075.975.474.076.979.777.376.276.376.772.971.070.40.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-312012-12-312011-12-31
Value809766747805826148714981479272527793087301531863143306627602667255824602437233322202114226525052404234220351731
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.730.922.323.524.434.436.234.548.348.752.051.654.453.452.351.749.953.653.153.651.351.958.062.872.075.876.874.076.2

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value-233.483-268.488-282.592-219.823-179.0714915105001756180120942048
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-28.9-35.0-37.8-27.3-21.733.034.033.964.564.867.866.8
Percentage of Assets-9.1-10.8-8.4-6.4-5.311.412.311.731.231.635.334.9
Percentage of Assets md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.5132.3973.531.943-0.1350.0780.0060.038-0.194
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.30.30.50.2-0.00.00.00.0-0.0
Percentage of Assets0.10.10.10.1-0.00.00.00.0-0.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value10391032102910231004995987977967977992998103210301017974926886857787724
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest128.4134.6137.7127.2121.666.965.966.135.535.232.133.132.432.833.235.338.039.136.638.741.8
Percentage of Assets40.741.630.729.929.723.023.822.817.217.116.717.117.617.517.318.220.424.628.128.631.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.8630.8620.8560.8550.8550.8520.8420.8420.8410.8640.8780.8930.9340.9440.9370.9370.9370.961.0121.00.978
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value863000.0862000.0856000.0855000.0855000.0852000.0842000.0842000.0841000.0864000.0878000.0893000.0934000.0944000.0937000.0936000.0935000.0929000.0937000.0936000.0935000.0929000.0937000.0940000.0940000.0934000.0960000.01003000.01002000.0995000.01012000.0502000.0506000.0502000.0500000.0498000.0497000.0492000.0489000.0489000.0487000.0481000.0479000.0470000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value103910321029102310049959879779679779929981032103010171003991979974958946930926917897875886
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.741.630.729.929.723.023.822.817.217.116.717.117.617.517.317.718.318.018.217.919.820.120.420.221.024.024.6

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
Value-233.701-268.712-286.354-222.058-179.0714915105001756180120942015215321112048191218461782178517071610152815101414132112361376160415181447148414051371130212461180111410541005947889833787585
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 Assets-9.1-10.8-8.6-6.5-5.311.412.311.731.231.635.334.536.735.934.933.734.132.933.432.033.833.033.231.130.933.938.246.147.846.748.747.247.546.645.346.647.545.344.343.542.940.338.734.6

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-06-302019-03-312018-12-31
Value2513000.02397000.03530000.01990000.078000.038000.0-194000.00
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.10.10.10.10.00.0-0.00.0

Minority Interest

us-gaap:MinorityInterest

us-gaap:MinorityInterest


Minority
Period End2021-06-302021-03-312020-12-312020-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value218000.0224000.0232000.0245000.088000.0189000.0318000.0606000.0747000.0829000.0947000.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.7353.717237.4898.0358.0915118.945109.875
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5.7353.717237.4898.0358.0915118.945109.875
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value53-82.188-11.866169192-146.431127156119-56.817127140135-113.634195199138157127-18.387105134117-32.1169010095-14.4618510591-41.606
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.3-18.4-2.836.937.9-17.314.117.613.8-6.713.715.714.8-12.621.523.024.428.524.0-3.70.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14-10.364840-3.441-1.439-20.22156-27.219-18.612-8.691-94.989-8.806-16.798-22.176-189.136-247.656-44.708-79.81-123.337-15.635-251.103-134.442-45.612-29.391-84.569-79.1856.264-33.083-277.6-17.162-23.356-43.494
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.0-2.3201.8-0.7-0.3-2.417.3-3.1-2.1-1.0-10.2-1.0-1.8-2.5-20.8-28.5-7.9-14.4-23.3-3.10.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.851-761.6610.586-4.133-366.65366-209.499-143.15-107.08566-30.321-135.516-121.3231162555-79.016-75.042-25.164710053-81.77965-22.682-9.109-92.65236157-52.984-66.13582
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.2-170.50.1-0.9-72.043.3-23.1-16.1-12.37.8-3.3-15.1-13.212.92.86.4-13.9-13.5-4.89.40.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value68-854.213829162-175.10719975-14.188-6.0451.1562.284-3.595-2.883-19.261317.98
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax14.5-191.2199.135.2-34.423.68.3-1.6-0.70.10.2-0.4-0.3-2.13.50.9

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.017-16.0166.078-25.5982233-22.311-143.736-5.845-5.108-7.2214.283-21.2560.045-76.804-1.723162.1841.873-1.805152.59511-14.665152.023-7.8512.9187.879-0.387-3.423.1320-4.3724.6136.40721-11.1362.5091.3672.9241.263180.8167.231-1.815
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value8.1068.0317.6927.195141819191920292826262625252525242019181615131311101010109.879.1448.0917.9257.6877.1137.2666.2136.0325.7815.8436.3215.0064.78
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
Value1411-7.93114-18.392-25.9044.17-9.491-18.4481517-5.171-14.61238-16.88827-7.283-11.0789.1888.584-4.861213715-6.5588.6837.0227.9831130123.045.95415-2.4419.5874.2036.32923135.8626.7756.673-4.2614.9989.541
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

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value53-82.188-11.866169192-146.431127156119-56.817127140135-113.634195199138157127-18.387105134117-32.1169010095-14.4618510591-41.606
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.3-18.4-2.836.937.9-17.314.117.613.8-6.713.715.714.8-12.621.523.024.428.524.0-3.70.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3517-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.8726065796313665635478968267929084688886796378766955666560485858554553614938
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.43.9-15.4-8.9-132.1-2.21.0-141.3-0.9-28.56.57.38.77.014.97.67.66.59.411.710.79.012.512.612.410.713.613.813.311.213.913.913.111.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-35.01117-41.044-672.436-18.712-1255.916-8.245-242.872
Percentage of NetIncomeLoss-100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-7.43.9-8.9-132.1-2.2-141.3-0.9-28.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3517-64.296-41.044-672.436-18.7129.331-1255.916-8.245-242.8720.0657963136656354789682679290846888867963787669
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.43.9-15.4-8.9-132.1-2.21.0-141.3-0.9-28.50.07.38.77.014.97.67.66.59.411.610.79.012.512.512.410.713.613.813.311.213.913.913.1

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
Value5.7353.7172.922225.7848.0356.3798.0229.961109.3598.945109.8757.047.7527.2457.5368.1118.6498.3278.9138.1698.1967.9287.8367.8058.0657.7788.0718.0998.0977.8087.2847.9967.3526.0537.0367.0556.8326.6936.5126.5946.6656.3156.119
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value14-10.364840-3.441-1.439-20.22156-27.219-18.612-8.691-94.989-8.806-16.798-22.176-189.136-247.656-44.708-79.81-123.337-15.635-251.103-134.442-45.612-29.391-84.569-79.1856.264-33.083-277.6-17.162-23.356-43.494
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.0-2.3201.8-0.7-0.3-2.417.3-3.1-2.1-1.0-10.2-1.0-1.8-2.5-20.8-28.5-7.9-14.4-23.3-3.10.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


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
Value3.2175.138253.755112121130.00.00.00.01.845142.9829.4172.9191210122018139.4347.2293.7197.289.8785.8223.9041.9363.922.92812126.9868.5375.57616180.3227.65.056162.8482.347
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.851-761.6610.586-4.133-366.65366-209.499-143.15-107.08566-30.321-135.516-121.3231162555-79.016-75.042-25.164710053-81.77965-22.682-9.109-92.65236157-52.984-66.13582
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.2-170.50.1-0.9-72.043.3-23.1-16.1-12.37.8-3.3-15.1-13.212.92.86.4-13.9-13.5-4.89.40.00.00.00.00.00.00.00.00.00.00.00.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value0.2511.994-0.0025.4520.5012.5420.3550.41665780.02500.00.02.078680.00.03.182580.01.450.02333601.0639.7071160.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.00.00.0100.0100.00.0100.00.0100.0100.0100.0100.0100.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:CreditFacility

us-gaap:DebtInstrumentInterestRateStatedPercentage

md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThree


Debt
Period End2020-12-312019-12-312018-12-312015-12-31
Value5.250.05250.05250.0525
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThree0.00.00.00.0

md:SixPointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySeven


Debt
Period End2020-12-312019-12-312018-12-312018-11-30
Value6.250.06250.06250.0625
Percentage of DebtInstrumentInterestRateStatedPercentage119.0119.0119.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations md:SixPointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySeven0.00.00.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DisposalGroupClassification

md:RadiologyServicesMedicalGroup


Debt
Period End2020-07-01
Value5.25
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations md:RadiologyServicesMedicalGroup0.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value17.332.4927.6527.5128.3327.9627.5726.7447.0245.144.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:RestrictedStock, md:AmendedAndRestatedTwoThousandEightPlan


Share
Period End2021-06-302021-03-31
Value68504.0659790.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


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
Value17629828716122721913911911211097
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312015-09-302014-12-312013-12-312012-12-312011-12-312010-12-312010-09-302009-12-312008-12-31
Value6.27.411109.46918291714131622414947
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value458242.6282.6154.0141.552
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0

md:DisposalGroupIncludingDiscontinuedOperationCostOfSalariesAndBenefits us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationCostOfSalariesAndBenefits

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-302019-09-30
Value2.746250
Percentage of DisposalGroupIncludingDiscontinuedOperationCostOfSalariesAndBenefits100.0100.0

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value8480
Percentage of DisposalGroupIncludingDiscontinuedOperationCostOfSalariesAndBenefits3085.132.1

md:DisposalGroupIncludingDiscontinuedOperationCostOfServiceSuppliesAndOtherOperatingExpenses us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationCostOfServiceSuppliesAndOtherOperatingExpenses

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-302019-09-30
Value0.0382.837
Percentage of DisposalGroupIncludingDiscontinuedOperationCostOfServiceSuppliesAndOtherOperatingExpenses100.0100.0

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value1.4491.532
Percentage of DisposalGroupIncludingDiscontinuedOperationCostOfServiceSuppliesAndOtherOperatingExpenses3813.254.0

md:DisposalGroupIncludingDiscontinuedOperationGainOrLossOnAssetsHeldForSale us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationGainOrLossOnAssetsHeldForSale

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-30
Value-4499000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationGainOrLossOnAssetsHeldForSale100.0

md:DisposalGroupIncludingDiscontinuedOperationGoodwillImpairment us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationGoodwillImpairment

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value46117
Percentage of DisposalGroupIncludingDiscontinuedOperationGoodwillImpairment100.0100.0

md:DisposalGroupIncludingDiscontinuedOperationOtherIncomeexpense us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationOtherIncomeexpense

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value1369000.02059000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherIncomeexpense100.0100.0

md:DisposalGroupIncludingDiscontinuedOperationTransformationalAndRestructuringExpenses us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationTransformationalAndRestructuringExpenses

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value2.4910.441
Percentage of DisposalGroupIncludingDiscontinuedOperationTransformationalAndRestructuringExpenses100.0100.0

md:IncreaseDecreaseInAccruedSalariesAndBonuses

md:IncreaseDecreaseInAccruedSalariesAndBonuses


Increase
Period End2021-06-302021-03-31
Value-88.9108
Percentage of IncreaseDecreaseInAccruedSalariesAndBonuses100.0100.0

md:IncreaseInDeferredTaxAssets us-gaap:DisposalGroupClassification

md:IncreaseInDeferredTaxAssets

md:NorthAmericanPartnersInAnesthesia


Increase
Period End2021-06-302021-03-31
Value4.013
Percentage of IncreaseInDeferredTaxAssets100.0100.0

md:NetProceedsForTheRadiologyServicesMedicalGroup us-gaap:DisposalGroupClassification

md:NetProceedsForTheRadiologyServicesMedicalGroup

md:RadiologyServicesMedicalGroup


Net
Period End2020-12-15
Value865
Percentage of NetProceedsForTheRadiologyServicesMedicalGroup100.0

md:PercentageIncreaseDecreaseInSalaryAndWage md:ExtraordinaryItems, us-gaap:TitleOfIndividual

md:PercentageIncreaseDecreaseInSalaryAndWage

md:CovidNinenteen, srt:ExecutiveOfficer


Percentage
Period End2021-06-302021-03-312020-12-31
Value050.00
Percentage of PercentageIncreaseDecreaseInSalaryAndWage0.0100.00.0

md:PercentageOfNetPatientServiceRevenueByTypeOfPayor

md:PercentageOfNetPatientServiceRevenueByTypeOfPayor


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value100.0100.00100.01.01.001.01.01.001.01.01.001.01.01.0
Percentage of PercentageOfNetPatientServiceRevenueByTypeOfPayor100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

md:PercentageOfNetPatientServiceRevenueByTypeOfPayor us-gaap:HealthCareOrganizationRevenueSources

md:ContractedManagedCare


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value69.069.0-1.069.00.670.6800.690.70.6900.70.70.7-0.010.710.710.71
Percentage of PercentageOfNetPatientServiceRevenueByTypeOfPayor69.069.00.069.067.068.00.069.070.069.00.070.070.070.00.071.071.071.0

us-gaap:Government


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value24.025.01.026.00.260.2500.250.240.24-0.010.250.250.250.010.240.240.24
Percentage of PercentageOfNetPatientServiceRevenueByTypeOfPayor24.025.00.026.026.025.00.025.024.024.00.025.025.025.00.024.024.024.0

us-gaap:SelfPay


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.01.001.00.010.0200.020.020.020.010.010.010.0100.010.010.01
Percentage of PercentageOfNetPatientServiceRevenueByTypeOfPayor2.01.00.01.01.02.00.02.02.02.00.01.01.01.00.01.01.01.0

us-gaap:ThirdPartyPayor


Percentage
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.05.004.00.060.0500.040.040.0500.040.040.0400.040.040.04
Percentage of PercentageOfNetPatientServiceRevenueByTypeOfPayor5.05.00.04.06.05.00.04.04.05.00.04.04.04.00.04.04.04.0

md:PercentageOfRefundOfIncomeTaxAtThePriorPeriodCorporateTaxRate md:ExtraordinaryItems, us-gaap:TaxPeriod

md:PercentageOfRefundOfIncomeTaxAtThePriorPeriodCorporateTaxRate

md:CovidNinenteen, md:TwoThousandTwentyTaxYear


Percentage
Period End2021-06-302021-03-31
Value035.0
Percentage of PercentageOfRefundOfIncomeTaxAtThePriorPeriodCorporateTaxRate0.0100.0

md:PracticeSalariesAndBenefits

md:PracticeSalariesAndBenefits


Practice
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312011-03-312010-03-31
Value317319284309349652647630608621657625620631617586561572532521484491461450422419404394372372243213
Percentage of PracticeSalariesAndBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

md:PracticeSuppliesAndOtherOperatingExpenses

md:PracticeSuppliesAndOtherOperatingExpenses


Practice
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value24222422212532262825293031303229302732312627262424232321222124191919191717161816161516131413
Percentage of PracticeSuppliesAndOtherOperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value844000.0994000.03087000.01291000.01327000.01458000.01379000.01359000.01414000.01520000.01258000.01102000.01123000.01089000.01436000.01338000.01357000.01383000.0739000.01384000.01397000.01296000.0305000.0474000.0381000.0381000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetImpairmentCharges

us-gaap:AssetImpairmentCharges


Asset
Period End2020-09-302019-06-302019-03-31
Value4766285
Percentage of AssetImpairmentCharges100.0100.0100.0

us-gaap:AssetImpairmentCharges md:DeferredTaxAssets, us-gaap:DisposalGroupClassification

md:DeferredTaxAssetsIntangibleAssets, md:RadiologyServicesMedicalGroup


Asset
Period End2020-09-30
Value43
Percentage of AssetImpairmentCharges91.5

us-gaap:AssetImpairmentCharges us-gaap:DisposalGroupClassification

md:RadiologyServicesMedicalGroup


Asset
Period End2020-12-31
Value4.0
Percentage of AssetImpairmentCharges0.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

md:PediatricOrthopedicPracticeAndMultiLocationPediatricUrgentCarePractice


Business
Period End2021-06-302021-03-31
Value6.26.0
Percentage of BusinessCombinationConsiderationTransferred1100.0100.0

md:PediatricSubspecialtyPractice


Business
Period End2020-12-31
Value0.0
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-31
Value0-1248000.0008909000.0-8909000.000-6000.0-7000.0
Percentage of CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations0.0100.00.00.0100.0100.00.00.0100.0100.0

us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.02.35870-12.387150.0-8.777-3.093-4.133-3.42-5.072-5.339-4.015-3.963
Percentage of CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations0.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations

us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-16.85516-94.109118260.00.00.2574.3223.5913.9285.5153.1313.243
Percentage of CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

md:Seniorunsecurdnotes2023


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value05.197500.0525
Percentage of DebtInstrumentInterestRateDuringPeriod0.0100.00.0100.0

md:Seniorunsecurdnotes2027


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value06.187500.0625
Percentage of DebtInstrumentInterestRateDuringPeriod0.0119.00.0119.0

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax us-gaap:DisposalGroupClassification

us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax

md:NorthAmericanPartnersInAnesthesia


Discontinued
Period End2020-09-302019-09-30
Value-4.798-1305.428
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax100.0100.0

md:RadiologyPartnersInc


Discontinued
Period End2020-09-302019-09-30
Value-33.453-100.853
Percentage of DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax697.27.7

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation us-gaap:DisposalGroupClassification

us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation

md:NorthAmericanPartnersInAnesthesia


Discontinued
Period End2020-09-302019-09-30
Value-0.1-129.241
Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation100.0100.0

md:RadiologyPartnersInc


Discontinued
Period End2020-09-302019-09-30
Value0.062-3.907
Percentage of DiscontinuedOperationTaxEffectOfDiscontinuedOperation-62.03.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value5.097.595
Percentage of DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-302019-09-30
Value0.21518
Percentage of DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense100.0100.0

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value1920
Percentage of DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense9244.7113.1

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-302019-09-30
Value7.4981615
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingExpense100.0100.0

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value160228
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingExpense2141.714.2

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-302019-09-30
Value-4.798-1305.411
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss100.0100.0

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value-34.822-102.912
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss725.87.9

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue

md:NorthAmericanPartnersInAnesthesia


Disposal
Period End2020-09-302019-09-30
Value2.7309
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue100.0100.0

md:RadiologyPartnersInc


Disposal
Period End2020-09-302019-09-30
Value125125
Percentage of DisposalGroupIncludingDiscontinuedOperationRevenue4658.040.6

us-gaap:GainLossOnSaleOfProperties

us-gaap:GainLossOnSaleOfProperties


Gain
Period End2021-06-30
Value7280000.0
Percentage of GainLossOnSaleOfProperties100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.47812-68.783-38.392-680.036-2.602-23.6524.33-43.761-284.525-1.4483.4084.6373.421
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax us-gaap:DisposalGroupClassification

md:DivestitureOfMeddata


Income
Period End2020-12-312020-09-302020-06-30
Value0.00.23.0
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax-0.0-0.5-0.4

md:NorthAmericanPartnersInAnesthesia


Income
Period End2020-12-312020-09-302019-12-312019-09-30
Value1401-4.6982259-1176.187
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax-2037.212.2-9553.2-27163.7

md:RadiologyPartnersInc


Income
Period End2020-09-302019-09-30
Value-33.515-96.946
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTax87.3-2238.9

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity us-gaap:DisposalGroupClassification

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity

md:AnesthesiologyServicesMedicalGroup


Income
Period End2021-06-302021-03-31
Value6.812
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.050.15-0.81-0.46-8.14-0.03-0.290.05-0.53-3.31-20.00.040.050.04
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare

us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.050.15-0.81-0.46-8.12-0.03-0.290.05-0.52-3.29-20.00.040.050.04
Percentage of IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value577000.0495000.0504000.0282000.0479000.01345000.02304000.02249000.01990000.01236000.02277000.01766000.01257000.01525000.0-294000.0-240000.0689000.0797000.0806000.0796000.0789000.0794000.0777000.0784000.0745000.0821000.0905000.0725000.0150000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap: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
Value52-106.9378450111-198.452798175-132.559536235-136.308347864-151.867445943-135.356446650-169.622785167-131.37525054-107.724314356-114.362343837-89.718142433-109.91
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:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2120-16.874-32.8831.7183.105-43.315148.93-30.277-1.124-38.7854741-44.87928-11.16415-25.56519-20.05528-31.687191.4962.493-23.067260.9068.79-31.55327-7.1853.154-33.635304.966-0.683-12.755151.1483.495-10.01824
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value9.664183732
Percentage of IncreaseDecreaseInIncomeTaxesReceivable100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInIncomeTaxesReceivable us-gaap:DisposalGroupClassification

md:NorthAmericanPartnersInAnesthesia


Increase
Period End2021-06-302021-03-31
Value6.018
Percentage of IncreaseDecreaseInIncomeTaxesReceivable62.197.3

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.201-0.916-11.36712-4.0386.9699.0234.295-2.978-0.496-1.8823.255-5.22-0.6439.6777.785
Percentage of IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets

us-gaap:IncreaseDecreaseInOtherNoncurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1769000.090000.0-6213000.0-2143000.05629000.0-11189000.0-7461000.0-16492000.0-4456000.0-9580000.0-1559000.01637000.0-200000.0517000.01059000.0-1775000.01068000.02357000.0244000.0-9484000.0369000.0-1164000.05646000.0-2647000.0
Percentage of IncreaseDecreaseInOtherNoncurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


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
Value14-24.62-4.639-18.73134-7.912-2.607-10.275-3.612-11.993-1.867-1.03-2.3460.949-1.519-1.4980.1232.1590.738-10.612.1380.329-1.471-6.4111.3643.864-0.2190.2391.2691.203-0.5-0.6811.0191.373-2.230.1750.911.556-1.0970.4991.3431.214-0.169-2.8571.2671.608
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.999-47.79946-14.56521-5.1012.3788.4253.985-4.790.1214.1732.139-0.9613.039-0.9133.808-3.142-0.338-1.1043.498-1.2730.4251.84.679-1.999-4.6740.1131.5751.48-1.123-1.343.614-1.3632.033-2.5292.895-2.155-1.5935.067-0.2910.25-0.25-0.2790.175-3.528
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1021000.0965000.0255000.060000.0442000.0455000.0472000.0-19000.0375000.0542000.0646000.0-139000.0292000.0631000.0783000.0-22000.0542000.0763000.0822000.0-45000.0697000.0995000.01094000.0-78000.01057000.01455000.01620000.0887000.0836000.0991000.01083000.0-3000.0871000.01002000.01130000.0-29000.0945000.01199000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.1765.9674.849103.851-0.6791.4291.3731.2221.6470.9671.3021.2021.4642.7770.2350.3650.5760.770.2210.410.6180.7510.5670.3840.1420.1950.5630.3351.6350.5260.3720.3960.4020.6810.4220.3650.4280.5040.3370.3290.3250.3270.4380.2650.404
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations

us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations


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
Value0.851-761.6610.586-2.885-366.65366-209.499-143.15-107.08566-30.322-135.511-121.311162555-126.631135-78.747348-0.941113-88.8656740499-61.677112-65.593112-79.646-75.028-24.57347
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value14-12.714-30.1678.946-16.905-20.22165-24.126-14.479-5.271-89.917-3.467-8.82-22.176-189.136-247.656-12.361-127.46-49.308-543.364-152.401-76.144-24.614-244.332-535.488-43.566-141.024-217.654-70.712-74.214-44.708-79.81-123.337-15.635
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value70-98.9268251166-146.431127155115-60.408123135128-113.634195199137-21.763130196149-33.039104172146-53.684178159134-49.822139157126-18.416
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:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance


Noncontrolling
Period End2020-09-30
Value245000.0
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0

us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance us-gaap:StatementEquityComponents

md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome


Noncontrolling
Period End2020-09-30
Value245000.0
Percentage of NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value116000.0-1133000.047000.02078000.0-213000.0-32000.0232000.0-194000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:StatementEquityComponents

md:RetainedEarningsAndAccumulatedOtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value47000.02078000.0-213000.0-32000.0232000.0-194000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-31
Value116000.0-1133000.02078000.0-213000.0-32000.0232000.0-194000.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.5670.6380.168-2.0620.2091.883-1.45814-10.383-2.7677.8730.8820.9321.2161.303-0.9270.6512.7560.626-1.9270.5690.52
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities

us-gaap:PaymentForContingentConsiderationLiabilityFinancingActivities


Payment
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.00.1890.01.2481.3943.5553.8631.3081.3943.5020.00.3671.6241.8641.5450.4162.4583.889
Percentage of PaymentForContingentConsiderationLiabilityFinancingActivities0.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.010.50.00.00.8148.38
Percentage of PaymentsOfFinancingCosts0.00.0100.0100.00.00.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:AwardType

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:RestrictedStock


Payments
Period End2021-06-302021-03-31
Value200000.02000000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

md:PediatricSubspecialtyPractice


Payments
Period End2020-12-31
Value0.0
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.255.9570.02.150.00.07580197.24.25871.463.6211762412.80111037529136591223653137133210666944761151.295238137362874681.45102745.6011840
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment


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
Value9.4849.0526.979-1.5179.613136.8728.529105.8211011131217101011109.2498.728107.1657.2397.2815.3886.6563.6523.1834.572.973.3395.0084.3374.5483.1263.9012.922.715.2033.169202.0592.8343.1584.062
Percentage of PaymentsToAcquireOtherPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.5361.0421.3121.3212.5441.8322.1012.6063.6752.8763.0063.8635.6583.7314.5924.6946.9137.0776.4234.1447.0584.3973.4065.7666.364.596185.752107.398135.1824.9825.1939.9835.0244.5419.2623.0545.207166.135121.564.8183.193
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.012515213273805183595433155061590435284536279759352550275432780634670450262371792672692951161551131331251479214732421108229
Percentage of ProceedsFromLinesOfCredit0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMinorityShareholders

us-gaap:ProceedsFromMinorityShareholders


Proceeds
Period End2020-12-31
Value0
Percentage of ProceedsFromMinorityShareholders0.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments


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
Value3.3127.4332.567128.2759.8624183.384.83.24.5152.4953.54.895133.423.879.0857.2212128.7489.18103.2656.2356.454.4153.6354.6984.050.2482.0154.11133.67.29.58512114.853.9757.51.03.1
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets

us-gaap:ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-06-302018-03-31
Value0.00.604-4.2744.750.00.00.022
Percentage of ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets0.0100.0100.0100.00.00.00.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.038114623146942086688342839039215633814143403624103553821099366384306390341332150176297299255201071967814616320311717879179150
Percentage of RepaymentsOfLinesOfCredit0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value434000.0672000.0728000.0247000.0183000.03000.051000.085000.056000.042000.0343000.0377000.0321000.0315000.0645000.0624000.0421000.0577000.0529000.0674000.0391000.0536000.01108000.0608000.0296000.0159000.075000.042000.017000.025000.023000.023000.023000.030000.015000.035000.043000.043000.050000.059000.0259000.095000.061000.053000.081000.067000.0
Percentage of RepaymentsOfLongTermCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities us-gaap:DisposalGroupClassification

us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities

md:RadiologyServicesMedicalGroup


Repayments
Period End2020-07-01
Value750
Percentage of RepaymentsOfLongTermDebtAndCapitalSecurities100.0

us-gaap:RepaymentsOfSeniorDebt

us-gaap:RepaymentsOfSeniorDebt


Repayments
Period End2021-06-302021-03-31
Value0.0759
Percentage of RepaymentsOfSeniorDebt0.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.9324.878123411304419273.5440.00.00.00.0
Percentage of RestructuringCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent us-gaap:PlanName

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent

md:NineteenNinetySixNonQualifiedEmployeeStockPurchasePlan


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302015-11-03
Value085.0084.1500.850000.850000.850.850.85
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent0.0100.00.0100.00.0100.00.00.00.0100.00.00.00.0100.0100.0100.0

md:TwoThousandFifteenNonQualifiedStockPurchasePlan


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302015-11-03
Value090.0089.100.90000.90000.90.90.9
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent0.0105.90.0105.90.0105.90.00.00.0105.90.00.00.0105.9105.9105.9

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation us-gaap:AwardType

us-gaap:SharesPaidForTaxWithholdingForShareBasedCompensation

us-gaap:RestrictedStock


Shares
Period End2021-03-312018-06-30
Value816250.054909
Percentage of SharesPaidForTaxWithholdingForShareBasedCompensation100.0100.0

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans us-gaap:PlanName

us-gaap:StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans

md:NineteenNinetySixNonQualifiedEmployeeStockPurchasePlan


Stock
Period End2021-03-31
Value51000.0
Percentage of StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value5000.0-13000.0-92000.0-57000.0-19000.0-27000.0-61000.0-6000.0-13000.0-32000.0-13000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value71000.052000.089000.0277000.078000.0124000.0155000.0140000.0108000.0214000.097000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationGross

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value69000.0660000.0282000.0200000.0968000.012000.0123000.0978000.0104000.09000.0588000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensationGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302020-09-302020-06-302019-06-30
Value1000.0-1000.0-1000.0-1000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-09-302020-06-302019-06-30
Value-1000.01000.01000.01000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures-100.0-100.0-100.0-100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.5361.0421.3242.5441.8322.6063.6753.5423.8638.0234.027
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.5351.0421.3232.5411.8312.6053.6733.5413.8628.0214.026
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation99.9100.099.999.999.9100.099.9100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.0010.0010.0030.0010.0010.0020.0010.0010.0020.001
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.10.10.10.10.00.10.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-312018-03-31
Value-1000.0-7000.0-3000.0-2000.0-10000.0-1000.0-10000.0-6000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-312018-03-31
Value1000.07000.03000.02000.010000.01000.010000.06000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensationGross-100.0-100.0-100.0-100.0-100.0-100.0-100.0-100.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value8000.082000.0311000.034000.0125000.0-34000.020000.02508000.02525000.01641000.04224000.01155000.0
Percentage of StockRepurchasedDuringPeriodShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302015-12-312015-09-302015-06-302015-03-31
Value0.2511.9945.4520.5012.5420.380.4156578-0.0425052-0.0491.50.0233
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value0.2511.9935.4490.52.5410.41529284614
Percentage of StockRepurchasedDuringPeriodValue100.099.999.999.8100.0100.044.636.418.727.9

us-gaap:CommonStock


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-06-302019-03-312018-09-302018-06-30
Value0.0010.0030.0010.0010.0250.0250.0420.012
Percentage of StockRepurchasedDuringPeriodValue0.10.10.20.00.00.00.00.0

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions us-gaap:DisposalGroupClassification

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions

md:NorthAmericanPartnersInAnesthesia


Tax
Period End2021-06-302021-03-31
Value2000000.07000000.0
Percentage of TaxAdjustmentsSettlementsAndUnusualProvisions100.0100.0

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount us-gaap:DisposalGroupClassification

us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount

md:NorthAmericanPartnersInAnesthesia


Valuation
Period End2021-06-302021-03-312020-12-31
Value-28.06511
Percentage of ValuationAllowanceDeferredTaxAssetChangeInAmount100.0100.0100.0

md:AccountsPayableAndAccruedLiabilitiesExcludingAccruedIncomeTaxesCurrent

md:AccountsPayableAndAccruedLiabilitiesExcludingAccruedIncomeTaxesCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value329306423388360323511441386312469413358302438402320256407363300260395351286380
Percentage of AccountsPayableAndAccruedLiabilitiesExcludingAccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

md:AccruedPayrollTaxesAndBenefitsCurrent

md:AccruedPayrollTaxesAndBenefitsCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value3546434843476767645280787156757362426764534358574949
Percentage of AccruedPayrollTaxesAndBenefitsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

md:AccruedProfessionalLiability

md:AccruedProfessionalLiability


Accrued
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value93841041117460474846122111
Percentage of AccruedProfessionalLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

md:AccruedSalariesAndIncentiveCompensationCurrent

md:AccruedSalariesAndIncentiveCompensationCurrent


Accrued
Period End2020-12-312019-12-31
Value184193
Percentage of AccruedSalariesAndIncentiveCompensationCurrent100.0100.0

md:CapitalLossCarryForward us-gaap:DisposalGroupClassification, us-gaap:TaxPeriod

md:CapitalLossCarryForward

md:NorthAmericanPartnersInAnesthesia, md:TaxYearTwoThousandAndTwentyFive


Capital
Period End2020-09-30
Value1680
Percentage of CapitalLossCarryForward100.0

md:CapitalLossCarryforwards

md:CapitalLossCarryforwards


Capital
Period End2020-12-31
Value1800
Percentage of CapitalLossCarryforwards100.0

md:Capitallosscarryforward us-gaap:DisposalGroupClassification, us-gaap:TaxPeriod

md:Capitallosscarryforward

md:NorthAmericanPartnersInAnesthesia, md:TaxYearTwoThousandAndTwentyFive


Capitallosscarryforwardus-gaap:
Period End2020-12-31
Value1710
Percentage of Capitallosscarryforward100.0

md:DeferredTaxAssetsOperatingLeaseAssets

md:DeferredTaxAssetsOperatingLeaseAssets


Deferred
Period End2020-12-312019-12-31
Value1515
Percentage of DeferredTaxAssetsOperatingLeaseAssets100.0100.0

md:DeferredTaxLiabilitiesChangeInAccountingMethod

md:DeferredTaxLiabilitiesChangeInAccountingMethod


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value16741094.15
Percentage of DeferredTaxLiabilitiesChangeInAccountingMethod100.0100.0100.0100.0

md:DisposalGroupIncludingDiscontinuedOperationLongTermProfessionalLiabilitiesCurrent us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationLongTermProfessionalLiabilitiesCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value2321
Percentage of DisposalGroupIncludingDiscontinuedOperationLongTermProfessionalLiabilitiesCurrent100.0100.0

md:DisposalGroupIncludingDiscontinuedOperationOperatingAndFinanceLeasesLiabilitiesCurrent us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationOperatingAndFinanceLeasesLiabilitiesCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value1314
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingAndFinanceLeasesLiabilitiesCurrent100.0100.0

md:DisposalGroupIncludingDiscontinuedOperationOperatingLeasesRightOfUseAssetsCurrent us-gaap:DisposalGroupClassification

md:DisposalGroupIncludingDiscontinuedOperationOperatingLeasesRightOfUseAssetsCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value1415
Percentage of DisposalGroupIncludingDiscontinuedOperationOperatingLeasesRightOfUseAssetsCurrent100.0100.0

md:LongTermDebtAndCapitalLeaseObligationsExcludingLongTermLineOfCredit

md:LongTermDebtAndCapitalLeaseObligationsExcludingLongTermLineOfCredit


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value996996174217421737173317301729172817271234741741741740878885892900905909916919185187190
Percentage of LongTermDebtAndCapitalLeaseObligationsExcludingLongTermLineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

md:LongTermDebtNet

md:LongTermDebtNet


Long
Period End2020-12-312019-12-31
Value17311727
Percentage of LongTermDebtNet100.0100.0

md:LongTermDebtNet us-gaap:CreditFacility

md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThree


Long
Period End2020-12-312019-12-31
Value17331730
Percentage of LongTermDebtNet100.1100.2

us-gaap:RevolvingCreditFacility


Long
Period End2020-12-312019-12-31
Value-2.262.664
Percentage of LongTermDebtNet-0.10.2

md:MalpracticeLossContingencyAccrualUndiscountedExcludingRetainedProfessionalLiabilitiesRelatedToAnesthesiologyAndRadiologyOperations

md:MalpracticeLossContingencyAccrualUndiscountedExcludingRetainedProfessionalLiabilitiesRelatedToAnesthesiologyAndRadiologyOperations


Malpractice
Period End2020-12-312019-12-312018-12-312017-12-31
Value174151128138
Percentage of MalpracticeLossContingencyAccrualUndiscountedExcludingRetainedProfessionalLiabilitiesRelatedToAnesthesiologyAndRadiologyOperations100.0100.0100.0100.0

md:MaximumConsiderationReceivable us-gaap:DisposalGroupClassification

md:MaximumConsiderationReceivable

md:RadiologyServicesMedicalGroup


Maximum
Period End2020-09-30
Value885
Percentage of MaximumConsiderationReceivable100.0

md:MoneyMarketFundsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

md:MoneyMarketFundsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Money
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2.0641.3241.012.4111.6766.357163.2330.3982.4540.481
Percentage of MoneyMarketFundsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

md:MutualFundsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

md:MutualFundsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Mutual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value171615141311140.0
Percentage of MutualFundsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.00.0

md:OperatingAndFinanceLeaseRightOfUseAssets

md:OperatingAndFinanceLeaseRightOfUseAssets


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value56525556
Percentage of OperatingAndFinanceLeaseRightOfUseAssets100.0100.0100.0100.0

md:ProceedsFromContributionInAidOfReimbursementOfLostRevenue md:ExtraordinaryItems

md:ProceedsFromContributionInAidOfReimbursementOfLostRevenue

md:CovidNinenteen


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value7.77.7e-062220
Percentage of ProceedsFromContributionInAidOfReimbursementOfLostRevenue100.0100.0100.0100.0

md:PurchaseConsiderationCashPayment us-gaap:DisposalGroupClassification

md:PurchaseConsiderationCashPayment

md:RadiologyServicesMedicalGroup


Purchase
Period End2020-09-30
Value885
Percentage of PurchaseConsiderationCashPayment100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value115211271106111913861840194319231916196620311903191819371790182316881670171916591608163415741376129612511200120211491097997946921917872878858865806721677603
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalariesCurrent

us-gaap:AccruedSalariesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value12976184158131108268206151105249194144108225191133982201841369323318814180231170189
Percentage of AccruedSalariesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value9048818648521040136314441428141214441489138013901394128613031208118312241172114711681129970916890848857822781712674651653624627617629576514483421
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation

md:RadiologyServicesMedicalGroup


Assets
Period End2020-09-302019-12-31
Value9511033
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperation100.0100.0

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent


Assets
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value9510.00.032232537251
Percentage of AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent100.00.00.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities

us-gaap:AvailableForSaleSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10010010481908574
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities us-gaap:InvestmentType

us-gaap:AllOtherCorporateBonds


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value69707156554632
Percentage of AvailableForSaleSecurities69.470.367.869.561.455.144.2

us-gaap:CertificatesOfDeposit


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.7174.9785.9914.8425.5976.7794.469
Percentage of AvailableForSaleSecurities4.74.95.75.96.28.06.0

us-gaap:USGovernmentSponsoredEnterprisesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value4.9675.9568.0176.5298.5378.0528.013
Percentage of AvailableForSaleSecurities4.95.97.68.09.49.510.8

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value15161813202329
Percentage of AvailableForSaleSecurities15.816.817.816.623.027.439.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-31
Value5.2852.0831.06
Percentage of AvailableForSaleSecurities5.22.11.0

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent

us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value100100104819074
Percentage of AvailableForSaleSecuritiesDebtSecuritiesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:BuildingsAndImprovementsGross

us-gaap:BuildingsAndImprovementsGross


Buildings
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value262633332626222222228.056
Percentage of BuildingsAndImprovementsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

md:PediatricOrthopedicPracticeAndMultiLocationPediatricUrgentCarePractice


Business
Period End2021-06-302021-03-31
Value9600000.05000000.0
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount100.0100.0

us-gaap:BusinessCombinationContingentConsiderationLiability us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationContingentConsiderationLiability

md:PediatricSubspecialtyPractice


Business
Period End2020-09-30
Value0.2
Percentage of BusinessCombinationContingentConsiderationLiability100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets

md:PediatricOrthopedicPracticeAndMultiLocationPediatricUrgentCarePractice


Business
Period End2021-06-30
Value5.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets100.0

md:PediatricSubspecialtyPractice


Business
Period End2020-12-31
Value0.2
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles

md:PediatricOrthopedicPracticeAndMultiLocationPediatricUrgentCarePractice


Business
Period End2021-06-302021-03-31
Value1.00.9
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

md:PediatricOrthopedicPracticeAndMultiLocationPediatricUrgentCarePractice


Business
Period End2021-06-302021-03-31
Value1.60.1
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0100.0

us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations

us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations


Cash
Period End2020-12-312019-12-312018-12-31
Value112311256
Percentage of CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations100.0100.0100.0

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance us-gaap:PlanName

us-gaap:CommonStockCapitalSharesReservedForFutureIssuance

md:NineteenNinetySixNonQualifiedEmployeeStockPurchasePlan


Common
Period End2021-03-312015-12-31
Value432000.02600000.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance100.0100.0

md:NineteenNinetySixNonQualifiedEmployeeStockPurchasePlanAndTwoThousandFifteenNonQualifiedStockPurchasePlan


Common
Period End2021-06-302021-03-312020-12-312020-09-30
Value400000.061500.0500000.0600000.0
Percentage of CommonStockCapitalSharesReservedForFutureIssuance0.014.20.00.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value175017501989186017131283
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:CreditFacility

md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThree


Debt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value175017501250750750750
Percentage of DebtInstrumentCarryingAmount100.0100.062.840.343.858.4

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

us-gaap:DebtInstrumentInterestRateEffectivePercentage

md:FivePointTwoFivePercentageSeniorNotesDueTwoThousandTwentyThree, md:GaapSeniorNotes


Debt
Period End2021-01-31
Value5.25
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value5670546261104
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value183194396294435373253200
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards

us-gaap:DeferredTaxAssetsCapitalLossCarryforwards


Deferred
Period End2020-12-312019-12-31
Value44717
Percentage of DeferredTaxAssetsCapitalLossCarryforwards100.0100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets md:DeferredTaxAssets, us-gaap:DisposalGroupClassification

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

md:DeferredTaxAssetsIntangibleAssets, md:RadiologyServicesMedicalGroup


Deferred
Period End2020-09-30
Value4.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets us-gaap:BusinessAcquisition

md:PediatricSubspecialtyPractice


Deferred
Period End2020-09-30
Value4.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value634323289163231220
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0

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
Value166.69125284951106.3855.6243.5337.799
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration


Deferred
Period End2020-12-31
Value13
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsNotSubjectToExpiration100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration


Deferred
Period End2020-12-31
Value22
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration100.0

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
Value571000.0631000.01197000.0970000.01610000.02723000.01461000.0446000.0509000.0483000.0488000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value3044000.0388000.026000.0685000.01621000.03116000.01524000.01310000.0802000.0
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0

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
Value7.517119.2017.97513131416181818
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value792021948010382484244
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


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
Value6472594562666252434037
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value152119286258380311
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value1413
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value183000.0331000.0491000.04150000.01023000.06693000.0192000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value5464
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value3942
Percentage of DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value3640
Percentage of DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value6.0218
Percentage of DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value640685
Percentage of DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value170180
Percentage of DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value1844000.081000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value9819000.09744000.0
Percentage of DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent100.0100.0

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent us-gaap:DisposalGroupClassification

us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent

md:RadiologyServicesMedicalGroup


Disposal
Period End2020-09-302019-12-31
Value2019
Percentage of DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

md:RestrictedAndDeferredStockUnits


Employee
Period End2020-12-31
Value11
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:EmployeeStockOption


Employee
Period End2020-12-31
Value4300000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0

us-gaap:EquityMethodInvestmentOwnershipPercentage us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeName

us-gaap:EquityMethodInvestmentOwnershipPercentage

md:UnnamedCorporateJointVentureOne


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value37.537.537.537.50.3750.3750.375
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0100.0100.0100.0100.0100.0

md:UnnamedCorporateJointVentureTwo


Equity
Period End2020-08-312020-06-302020-03-312019-12-31
Value51.00.490.490.49
Percentage of EquityMethodInvestmentOwnershipPercentage0.0130.7130.7130.7

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312018-12-31
Value110.1880.441
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value2339000.02369000.02219000.02440000.01426000.0697000.0130000.0142000.0206000.0240000.0253000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2020-12-312019-12-312018-12-31
Value8899000.058000.0188000.0
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8532032226620314210070463121
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

md:OtherTechnology


Finite
Period End2020-12-312019-12-31
Value2.7121.417
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization3.20.4

md:PhysicianAndHospitalAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value8326922320316813098
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization96.884.269.376.482.991.097.3

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value7117000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value1966000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value2883000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value4264000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value5245000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1125959109068715672991741449673
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

md:OtherTechnology


Finite
Period End2020-12-312019-12-31
Value5.1973.682
Percentage of FiniteLivedIntangibleAssetsGross4.60.6

md:PhysicianAndHospitalAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value107384376381347265216
Percentage of FiniteLivedIntangibleAssetsGross95.464.541.442.139.946.872.4

us-gaap:FixturesAndEquipmentGross

us-gaap:FixturesAndEquipmentGross


Fixtures
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value203262300253213169133117104
Percentage of FixturesAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued

us-gaap:IncomeTaxExaminationPenaltiesAndInterestAccrued


Income
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1000000.0600000.01100000.01200000.01400000.09300000.08700000.08400000.09000000.08700000.08300000.0
Percentage of IncomeTaxExaminationPenaltiesAndInterestAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-31
Value29192264260.0
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.00.0

us-gaap:InsuranceSettlementsReceivable

us-gaap:InsuranceSettlementsReceivable


Insurance
Period End2020-12-31
Value61
Percentage of InsuranceSettlementsReceivable100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value291332263227322734269.477155.077144.495144.46144.511142.655
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312018-12-31
Value10010010481908574860.0
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value19
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit


Letters
Period End2020-12-31
Value100000.0
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation us-gaap:DisposalGroupClassification

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation

md:RadiologyServicesMedicalGroup


Liabilities
Period End2020-09-302019-12-31
Value7878
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation100.0100.0

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent


Liabilities
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value780.00.030283223
Percentage of LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent100.00.00.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility

us-gaap:LineOfCredit

us-gaap:LetterOfCredit


Line
Period End2020-09-30
Value0.2
Percentage of LineOfCredit100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity


Line
Period End2020-12-312012-12-312012-11-192011-12-312011-10-31
Value37800500500500
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility

md:UnsecuredRevolvingCreditFacility


Line
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-06-302014-10-29
Value1200120020002000170017001300
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity3200.00.00.00.00.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity


Line
Period End2020-12-312020-09-30
Value899899
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0

us-gaap:MalpracticeLossContingencyAccrualUndiscounted

us-gaap:MalpracticeLossContingencyAccrualUndiscounted


Malpractice
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
Value31527124325020220216815813743404136
Percentage of MalpracticeLossContingencyAccrualUndiscounted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MalpracticeLossContingencyAccrualUndiscountedCurrent

us-gaap:MalpracticeLossContingencyAccrualUndiscountedCurrent


Malpractice
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value364850555748444344413433353737373732282627272528252019181918191718171713141313111111
Percentage of MalpracticeLossContingencyAccrualUndiscountedCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MalpracticeLossContingencyAccrualUndiscountedNoncurrent

us-gaap:MalpracticeLossContingencyAccrualUndiscountedNoncurrent


Malpractice
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value26726726524226023822622221520820921020721221220317617317317918017817618118315314814814314513913613112611912311611210911110610399
Percentage of MalpracticeLossContingencyAccrualUndiscountedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MoneyMarketFundsAtCarryingValue us-gaap:CashAndCashEquivalents

us-gaap:MoneyMarketFundsAtCarryingValue

us-gaap:CashEquivalents


Money
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value2.11.31.02.41.76.4163.20.42.50.50.32.44.99.26.84.65.8128.113
Percentage of MoneyMarketFundsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesPayable us-gaap:DebtInstrument

us-gaap:NotesPayable

md:TwoThousandTwentySeven


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1000100010001000100010001000100010001000500
Percentage of NotesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotesPayableFairValueDisclosure us-gaap:CreditFacility, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:NotesPayableFairValueDisclosure

md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThree, us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2020-12-312019-12-312018-12-312017-12-31
Value756766736763
Percentage of NotesPayableFairValueDisclosure100.0100.0100.0100.0

md:SixPointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySeven, us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Notes
Period End2020-12-312019-12-312018-12-31
Value10701025482
Percentage of NotesPayableFairValueDisclosure141.5133.765.5

us-gaap:NotesPayableFairValueDisclosure us-gaap:DebtInstrument

md:TwoThousandTwentySeven


Notes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1057106610701035100080110259899831010482
Percentage of NotesPayableFairValueDisclosure0.00.0141.50.00.00.0133.70.00.00.065.5

md:TwoThousandTwentyThree


Notes
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value756759744611766763738759736
Percentage of NotesPayableFairValueDisclosure100.00.00.00.0100.00.00.00.0100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value35751011161301362916149.4208.0
Percentage of OperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18191613141921201412181715111513129.8221113118.2979.639109.2564.4747.0368.7787.6974.5766.3616.0767.0553.9594.8525.1497.7754.9986.3058.8825.3164.6735.1625.102
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SelfInsuranceReserveCurrent

us-gaap:SelfInsuranceReserveCurrent


Self
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2221871391381281421201109079
Percentage of SelfInsuranceReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value30.9740.7754.4660.2166.9861.546.837.7861.9459.6450.08
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

md:NineteenNinetySixNonQualifiedEmployeeStockPurchasePlan


Share
Period End2021-05-12
Value9.9
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:EmployeeStockOption, md:AmendedAndRestatedTwoThousandEightPlan


Share
Period End2021-06-302021-03-312020-12-312020-09-30
Value3600000.03700000.05000000.05000000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value36.25
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value7400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2020-12-312019-12-312018-12-31
Value98107107
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


Unamortized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1822191411130.547
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:CreditFacility

md:FivePointTwoFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyThree


Unamortized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value1619159.5031112
Percentage of UnamortizedDebtIssuanceExpense87.988.178.366.197.796.9

us-gaap:RevolvingCreditFacility


Unamortized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2.262.6644.2744.8643.388
Percentage of UnamortizedDebtIssuanceExpense12.111.921.733.929.8

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2020-12-312015-12-31
Value6.217
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Product Or Service
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-gaap: Statement Equity Components
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:CreditFacility
(None,)
Debt Instrument Interest Rate Stated Percentageus-gaap: Credit Facility