CHE


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments
us-gaap:StatementBusinessSegments

us-gaap:Revenues
dei:LegalEntity

us-gaap:CostOfRevenue

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:AccountsPayableCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:TreasuryStockValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:DeferredIncomeTaxExpenseBenefit
us-gaap:StatementScenario

us-gaap:AmortizationOfFinancingCosts

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:LitigationReserveCurrent
us-gaap:LitigationCase

che:DeferredPayrollTaxes
us-gaap:StatementScenario
us-gaap:Range
che:FixedChargeCoverageRatioConsolidatedFreeCashFlowConsolidatedFixedCharges
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
che:ImplicitPriceConcessions
us-gaap:StatementBusinessSegments
che:ImplicitPriceConcessionsAndCreditMemos

che:IncreaseDecreaseInLeaseAssetsAndLiabilities
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
che:IncreaseDecreaseMedicareCapLiability
us-gaap:StatementBusinessSegments
us-gaap:StatementScenario, us-gaap:StatementBusinessSegments
us-gaap:Range, us-gaap:StatementBusinessSegments
che:InpatientCapPercentageMax
us-gaap:Range
che:LeverageRatioConsolidatedIndebtednessConsolidatedAdjustmentEbitda

che:MarketValueGainsOnAssetsHeldInDeferredCompensationTrust

che:NoncashLongTermIncentiveCompensation
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
che:RoomAndBoardNet

us-gaap:AdjustmentForAmortization

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaRevenue
dei:LegalEntity, us-gaap:CapitalizedContractCost
us-gaap:CapitalizedContractCostAmortization

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
us-gaap:StatementBusinessSegments
us-gaap:CharityCareDirectAndIndirectCostBasisAmount

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:ConcentrationRiskByBenchmark, us-gaap:StatementBusinessSegments
us-gaap:ConcentrationRiskPercentage1

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:Depreciation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOutstandingChecksFinancingActivities

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InvestmentIncomeNet

us-gaap:LeaseCost
us-gaap:LitigationCase
us-gaap:LitigationSettlementAmountAwardedToOtherParty

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherOperatingActivitiesCashFlowStatement
dei:LegalEntity
us-gaap:OtherOperatingIncome
dei:LegalEntity, us-gaap:ProductOrService

us-gaap:OtherOperatingIncomeExpenseNet
dei:LegalEntity, us-gaap:ProductOrService, us-gaap:RestructuringCostAndReserve
us-gaap:ProductOrService, us-gaap:RestructuringCostAndReserve
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross

us-gaap:ProceedsAndExcessTaxBenefitFromSharebasedCompensation

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProvisionForDoubtfulAccounts
dei:LegalEntity
dei:LegalEntity, us-gaap:StatementScenario

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:StockOptionPlanExpense

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents
dei:LegalEntity, us-gaap:StatementScenario
che:CaresActReliefFund
dei:LegalEntity, us-gaap:StatementScenario, us-gaap:SubsequentEventType

che:CashOverdraftPayableIncludedInAccountsPayable

che:DeferredCompensationPayableInCompanyStock

che:LesseeOperatingLeaseFutureLeaseObligationsNotYetCommenced

che:UnutilizedCaresActGrant

us-gaap:AccruedInsuranceCurrent

us-gaap:AccumulatedCapitalizedInterestCosts

us-gaap:AllowanceForDoubtfulAccountsReceivable
dei:LegalEntity

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:CapitalizedContractCost
us-gaap:CapitalizedContractCostNet
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrumentFairValue
us-gaap:FairValueByMeasurementBasis

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationPlanAssets

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

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:InvestmentsFairValueDisclosure
us-gaap:FairValueByMeasurementBasis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

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

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherPrepaidExpenseCurrent

us-gaap:PrepaidTaxes

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:TreasuryStockShares

Tables

  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue █████▇▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▂▁▁36.13736.0435.91235.81135.73835.59135.52135.31135.21135.14134.88534.73234.51434.4734.40434.2734.17434.10534.07633.98533.81633.6233.51633.33733.19932.9832.62132.24532.08632.07531.95731.58931.45131.14231.06330.93730.91330.90730.70930.382NANANA
us-gaap:CommonStockSharesIssued NA36.03979435.91172435.81052835.73799535.59083235.52090835.31141835.21106135.14136134.8846134.73219234.51353534.47042634.4042234.27010434.17378234.10489934.07640733.98531633.81608833.61998233.51604433.33729733.19907832.98004532.6213632.24522632.08556132.07461131.95684831.58936631.45081731.14244231.06305830.93692530.91342430.90653230.70925330.381863NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁▁█16.37316.37316.516NA16.55516.44916.525NA16.77216.81116.887NA16.67616.0116.801NA16.55916.83117.17NA17.42217.41917.466NA17.62717.8818.305NA18.52218.96619.0NA19.40419.36919.353NA21.05521.63721.568NA22.99623.0823.021
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▃▁█15.9415.91415.991NA15.9715.92815.954NA16.07416.03516.1NA15.97616.0116.219NA16.16616.44316.72NA16.86516.8816.914NA17.03917.23617.51NA18.18418.60618.522NA18.9618.99818.958NA20.67421.11521.055NA22.59722.64422.593
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NA0.2850.285NA0.00.2460.246NA0.00.00.328NA0.00.00.402NA0.4180.4180.421NA0.00.4110.411NA0.00.00.329NA0.4340.0310.011NA1.41.41.4NA1.50.970.979NA0.990.976NA
us-gaap:EarningsPerShareBasic ▇█▆▇▆▆▅▆▆▆▅▆▅▁▄▅▄▄▄▄▄▄▄▄▄▄▄▄▃▃▄▄▄▄▄▄▄▃▃▄▃▃▃4.255.163.54.093.693.182.83.39000000000000063.193.432.793.392.22-1.351.841.97999999999999951.661.511.491.78000000000000021.711.61.451.75999999999999981.441.411.171.290.960.791.21.421.11.121.081.31000000000000051.060.960.861.00.930.830.86
us-gaap:EarningsPerShareDiluted ▇█▆▇▆▆▅▆▆▆▅▆▅▁▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▄▄▄▄▄▄▄▄▃▄▃▃▃4.145.013.383.9600000000000013.563.082.73.253.063.272.663.26000000000000022.13-1.351.781.94000000000000041.621.481.451.71999999999999981.651.551.41.70000000000000021.391.361.121.270.940.771.171.39000000000000011.071.11.061.27999999999999981.040.940.840.980.910.820.84
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 TTM Greenblatt ROC _ _▇█▇▇▇▇▆▇▆▆▆▆▆▁▅▆▅▅▅▆▆▅▅▆▅▅▅▅▅▄▅▆▅▅▅▆▅▅▅▅74.30892.7679.36377.45264.92865.52849.47267.38161.71358.14156.39756.53253.997-38.94841.45453.12242.87138.36344.39349.15950.12844.640.57150.03740.21141.51936.65239.4429.2125.89238.85245.94735.9739.52534.97746.02641.31135.84230.54838.466NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ███▁▇▇▇▁▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆528.297502.199515.798-135.047480.613473.584462.034-127.578444.151441.813439.176428.357417.444415.059405.864403.476392.607390.409390.389398.589386.226381.921376.652379.411358.389360.182358.3348.604340.886357.198366.641368.577354.353354.17352.943350.253341.439333.36330.918336.286320.451314.995308.813
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:AllOther,che:SegmentRotoRooter▆▃██▁▃▃▂▂▁▆3.3322.9713.5343.5062.7912.9743.0082.9262.8762.8353.32NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:AllOtherRevenueSelfPayRespiteCareEct.,che:SegmentVitas▆▁█2.912.1093.147NA2.3562.2372.01NA2.1041.9981.741NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:CareServicesTotal,che:SegmentVitas▇▇██▅▄▄▄▃▂▁337.188336.795344.799347.82327.791320.141313.661313.68307.136300.971293.905NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:ContinuousCare,che:SegmentVitas▂▄██▁▂▃▂▂▂▂30.69934.58240.55540.99729.44630.78632.24430.83430.38530.51330.766NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:ContractorRevenue,che:SegmentRotoRooter█▆█▆▅▅▄▃▁▁▁16.27415.19316.22815.15514.34214.5814.00913.14312.21912.36612.365NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:FranchiseFees,che:SegmentRotoRooter▂▂▂▁█▆▆▆▆▆▆1.2351.211.191.0891.8191.6231.6211.6241.5931.5741.592NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:InpatientCare,che:SegmentVitas▅▄█▇▃▃▃▂▁▁▂27.63325.86832.48230.85723.59922.89422.5720.87419.61720.07722.108NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:RoutineHomeCare,che:SegmentVitas██▇▇▇▆▄▅▄▃▁278.856276.345271.762275.966274.746266.461258.847261.972257.134250.381241.031NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:ShortTermCoreServiceJobs,che:SegmentRotoRooter█▅▇█▃▃▂▂▁▁▁143.089126.541134.424141.288115.135115.143111.059110.272102.346105.086104.086NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments che:WaterRestoration,che:SegmentRotoRooter▆▆▄█▂▄▃▁▂▁▃32.13731.42629.24634.3225.73828.23927.65224.28225.00124.76527.737NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:CareServicesTotal,che:SegmentVitas,che:CommercialInsurance▃▃▅▄█▄▁▃▁▁▂8.7068.7088.9918.9219.6178.9078.3918.6668.3478.4248.464NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:CareServicesTotal,che:SegmentVitas,che:Medicaid▄▆▆█▄▂▃▅▃▂▁15.88616.60616.56317.33615.85715.43215.60816.13915.52115.314.931NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:CareServicesTotal,che:SegmentVitas,che:Medicare▇▇██▅▄▄▄▃▂▁312.596311.481319.245321.563302.317295.802289.662288.875283.268277.247270.51NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:ContinuousCare,che:SegmentVitas,che:CommercialInsurance█▅▇▃▅▄▅▁▅▆▇1.5961.4771.5521.3821.4741.4031.4841.2861.4551.5041.531NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:ContinuousCare,che:SegmentVitas,che:Medicaid▁▄▇█▃▂▆▃▃▂▄1.3641.6221.8711.9681.5491.4081.7871.5561.5391.4281.603NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:ContinuousCare,che:SegmentVitas,che:Medicare▂▄██▁▂▃▂▂▂▂27.73931.48337.13237.64726.42327.97528.97327.99227.39127.58127.632NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:InpatientCare,che:SegmentVitas,che:CommercialInsurance▁▂█▆▆▅▅▅▄▃▃1.0191.1091.7751.5531.5851.4951.4331.4371.3321.1951.203NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:InpatientCare,che:SegmentVitas,che:Medicaid▅▄▆█▂▃▃▄▂▁▂2.4152.3112.5592.8611.9762.1172.1482.2571.9981.8532.048NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:InpatientCare,che:SegmentVitas,che:Medicare▆▅█▇▃▃▃▂▁▁▃24.19922.44828.14826.44320.03819.28218.98917.1816.28717.02918.857NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:RoutineHomeCare,che:SegmentVitas,che:CommercialInsurance▅▅▂▄█▄▁▄▂▃▃6.0916.1225.6645.9866.5586.0095.4745.9435.565.7255.73NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:RoutineHomeCare,che:SegmentVitas,che:Medicaid▅█▅▇▆▄▃▆▅▅▁12.10712.67312.13312.50712.33211.90711.67312.32611.98412.01911.28NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService,us-gaap:StatementBusinessSegments,us-gaap:Subsegments che:RoutineHomeCare,che:SegmentVitas,che:Medicare█▇▇▇▇▆▄▅▄▃▁260.658257.55253.965257.473255.856248.545241.7243.703239.59232.637224.021NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementBusinessSegments che:SegmentRotoRooter█▅▆█▃▃▃▂▁▁▂196.067177.341184.622195.358159.825162.559157.349152.247144.035146.626149.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementBusinessSegments che:SegmentVitas▂▁█340.098338.904347.946NA330.147322.378315.671NA309.24302.969295.646NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues █▇██▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▃▃▃▂▂▂▂▂▂▂▂▁▁▁528.297502.199515.798522.324480.613473.584462.034457.508444.151441.813439.176428.357417.444415.059405.864403.476392.607390.409390.389398.589386.226381.921376.652379.411358.389360.182358.3348.604340.886357.198366.641368.577354.353354.17352.943350.253341.439333.36330.918336.286320.451314.995308.813
us-gaap:CostOfRevenue ▇███▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▃▃▃▃▃▃▃▂▂▂▂▁▁▁339.24352.163351.745347.355328.183323.637321.951313.055305.312305.741304.536291.493288.047285.852285.14279.083281.658276.255278.435275.973272.089270.663268.885263.402256.445257.007257.819245.958243.184255.359264.307261.898256.61257.368257.445248.366245.063239.597237.458235.262227.915223.702219.137
us-gaap:CostOfGoodsAndServicesSold ▇███▇▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▃▃▃▃▃▃▃▂▂▂▂▁▁▁339.24352.163351.745347.355328.183323.637321.951313.055305.312305.741304.536291.493288.047285.852285.14279.083281.658276.255278.435275.973272.089270.663268.885263.402256.445257.007257.819245.958243.184255.359264.307261.898256.61257.368257.445248.366245.063239.597237.458235.262227.915223.702219.137
us-gaap:CostsAndExpenses █▆▇█▇▆▆▆▅▅▅▅▄█▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▃▃▃▃▃▃▂▂▂▂▂▁▁▁453.989409.439436.435444.872415.685408.056412.562390.127382.438383.672382.779371.825363.447454.007364.41350.354349.736352.046345.996349.43336.098337.321336.081329.374318.178318.663321.648309.164311.676331.306327.789322.63318.383314.645317.966304.227300.128297.518300.37297.82283.696281.139274.368
us-gaap:SellingGeneralAndAdministrativeExpense █▇▅▇▆▅▆▄▄▅▅▅▄▅▅▄▃▄▃▄▂▃▃▃▂▂▂▂▁▂▂▂▂▁▂▁▁▁▂▂▁▁▁88.31784.51370.58383.29176.83671.55674.02965.73567.17768.29769.071.62166.91968.65469.45862.52659.37362.62859.04566.04255.19757.99458.58857.23253.56653.64955.67154.98148.8753.10755.5652.76452.95549.7753.16748.56447.61850.42455.65455.2748.249.95648.538
us-gaap:OperatingIncomeLoss ▇█▇▇▇▇▆▇▆▆▆▆▆▁▅▆▅▅▅▆▆▅▅▆▅▅▅▅▅▄▅▆▅▅▅▆▅▅▅▅▅▅▅74.30892.7679.36377.45264.92865.52849.47267.38161.71358.14156.39756.53253.997-38.94841.45453.12242.87138.36344.39349.15950.12844.640.57150.03740.21141.51936.65239.4429.2125.89238.85245.94735.9739.52534.97746.02641.31135.84230.54838.46636.75533.85634.445
us-gaap:InterestExpense ▁▂▂▂▂▃▂▃▂▃▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▅▇▇▇▇█▇▇▇▇▇▇▇▆▆▆▆▆0.3790.6510.9751.1331.0411.2371.1241.1771.0821.5241.2071.1081.0481.1210.9950.8841.0180.9710.8420.7990.9080.9690.9690.9620.982.4293.8153.7443.53.6974.0943.6913.7433.6723.6173.6283.5553.4613.2443.0132.9952.9992.952
us-gaap:OtherNonoperatingIncomeExpense █▁-0.004-0.01NA8.757-0.0230.031NANANANANA8.150.0010.003-0.0012.021-0.0010.001-0.001-0.2350.0120.015-0.4792.454-0.0110.096-0.0185.4890.008-0.0361.7061.1581.84-0.972.095-0.164-1.9350.7142.1021.850.2220.010.186
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇█▆▇▆▆▆▆▆▆▆▆▆▁▅▆▅▅▅▅▅▅▅▅▅▅▅▅▄▄81.60499.62368.92279.59566.92364.30450.78762.80662.93157.65556.20858.13954.272-38.41642.92252.32543.49340.60940.62748.92946.86544.16740.16549.31939.93639.84633.65337.85425.6223.891NANANANANANANANANANANANANA
us-gaap:NonoperatingIncomeExpense ██▁▆▆▅▆▃▆▅▅▆▅▆▆▅▆▆▄▅▄▅▅▅▅▅▅▆▅▆▆▅▆▄7.6757.514-9.4663.2763.0360.0132.439-3.3982.31.0381.0182.7151.3231.6532.4630.0871.643.217-2.9240.569-2.3550.5360.5630.2440.7050.7560.8162.158-0.091.6961.7061.1581.84-0.97NANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▇█▇▇▆▇▅▆▆▅▆▅█▁▇█▇▇▇██▇▇█▇▇▇▇▆▆▇▇▇▇▇▇▇▇▆▇▇▆▇13.88217.52213.03114.0157.97613.5756.128.47811.6822.68411.2123.58718.835-16.7613.07820.13616.66415.72415.78719.018.03217.19215.62819.52415.35115.48313.07914.9458.1889.28314.18616.67413.22213.60913.0116.52913.93412.80911.30514.67312.99412.01212.321
us-gaap:NetIncomeLoss ▇█▆▇▆▆▅▆▆▆▅▆▅▁▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄67.72282.10155.89165.5858.94750.72944.66754.32851.24954.97144.99654.55235.437-21.65629.84432.18926.82924.88524.8429.92928.83326.97524.53729.79524.58524.36320.57422.90917.43214.60822.27826.7420.84521.27420.44525.70521.88720.28618.10122.6320.98818.85519.358
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▇█▆▇▆▆▅▆▆▆▅▆▅▁▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▄67.72282.10155.89165.5858.94750.72944.66754.32851.24954.97144.99654.55235.437-21.65629.84432.18926.82924.88524.8429.92928.83326.97524.53729.79524.58524.36320.57422.90917.43214.60822.278NANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets █▇▇▇▆▅▄▃▃▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▂▁▁1366.9541291.1921277.5591268.3171232.5851094.0721069.831975.529979.124928.214912.656920.026895.459910.274886.231880.059842.476852.955882.919852.325897.638885.283895.677859.932869.508841.595868.62893.701881.54898.878899.409859.626864.787831.128831.483795.905815.056850.613822.728830.161NANANA
us-gaap:Liabilities ▇▇█▇▇▅▅▂▃▂▃▂▃▄▂▁▁▂▃▁▃▃▃▃▄▃▃▄▄▃▃▃▂▂▃▂▂▂▂▂565.546540.496593.958541.709560.205475.503481.821384.195410.971371.823405.697379.672417.757457.191385.587355.96355.274391.373398.098339.072409.062407.485419.135408.576437.077397.111422.687444.811454.713417.591416.32406.335390.162383.683397.026382.221388.721361.279358.858368.112NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▇▇▇▆▅▄▃▃▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▂▁▁1366.9541291.1921277.5591268.3171232.5851094.0721069.831975.529979.124928.214912.656920.026895.459910.274886.231880.059842.476852.955882.919852.325897.638885.283895.677859.932869.508841.595868.62893.701881.54898.878899.409859.626864.787831.128831.483795.905815.056850.613822.728830.161NANANA
us-gaap:StockholdersEquity █▇▆▇▆▅▄▄▄▄▃▃▂▂▃▃▂▂▂▃▂▂▂▂▁▂▂▂▁▂▂▂▂▂▁▁▁▂▂▂801.408750.696683.601726.608672.38618.569588.01591.334568.153556.391506.959540.354477.702453.083500.644524.099487.202461.582484.821513.253488.576477.798476.542451.356432.431444.484445.933448.89426.827481.287483.089453.291474.625447.445434.457413.684426.335489.334463.87462.049NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent █▄▄▄▃▃▂▂▅▃▂▃▁▂▃▃▁▂▃▂▄▄▅▃▄▃▄▆▅▆▆▄▅▃▃▂▃▅▄▄270.596189.307198.815190.671167.795180.178159.155159.84205.87173.441161.499176.046135.311156.492175.973169.9132.959146.967179.941150.808200.775190.046208.486174.564188.738165.5198.412224.656216.373233.31236.249197.671205.104178.073177.276150.753168.596203.6183.514196.797NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇▂▂▁▁▁▁▁▄▁▂▁▂▂▃▂▂▂▂▂▃▃▂▂▂▂▃▅▅▇▅▄▄▄▃▃▂▃▄▃█▇▇112.76520.37628.9516.1589.0663.3238.7684.83167.45912.66813.68611.12118.87113.75347.04915.3121.28517.47415.23514.72738.4532.70528.33514.13218.56227.91339.47984.41883.204113.04772.95669.53169.29659.96634.21438.08121.34250.94159.74549.917137.457109.08112.119
us-gaap:AccountsReceivableNetCurrent ▄▇▇█▅▇▅▅▄▅▅▅▃▅▄▇▂▃█▄▆▅█▆▇▃▅▃▁▁▆▃▄▂▄▁▅▅▃▅110.839132.487134.695143.827114.48136.113119.575119.504108.999119.206111.332113.65191.483117.906109.726132.02186.00698.952143.04106.262123.665119.116145.757124.607132.3492.152116.15291.7780.11776.356127.2293.333101.15281.811110.65677.924112.721118.28192.912112.999NANANA
us-gaap:InventoryNet ▅▅▅▅▅▃▃▂▂▂▁▁▂▂▁▂▃▃▃▃▃▃▃▃▃▄▄▄▄▃▃▄▆▇▇███▆▆7.5467.4677.3137.4627.3546.3366.3155.7055.7635.6965.2745.3345.6585.6185.4335.7556.1016.126.1026.3146.5456.256.1666.1686.3856.8566.6766.7036.7296.1566.5597.0587.6398.1468.4688.6688.8888.6827.9677.728NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ████▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▆▆▆▅▆▆▆▅▅▅▅▁▅▁▅▅▅▄▄▄▄288.657281.237278.768270.14264.075259.495254.499248.37241.376242.07235.89230.034227.036222.332216.423211.29208.674205.323206.922201.094195.446190.227183.726185.735187.983188.462185.056180.55178.72174.6020.169719164.6070.159407155.406151.451146.709142.067142.247137.433132.696NANANA
 us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:FranchiseRights▇▇▇█▁▁▁2.3522.3522.3522.8970.3310.3310.441NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ███▇▇▆▇▇▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁181.386183.017183.729175.763172.932149.917164.629162.033154.434145.903144.706143.034143.148140.209119.394121.302119.994118.502119.331117.37111.221107.556104.796105.336101.84597.20693.57592.95589.890.22990.37491.93490.13588.57188.57982.95183.48481.47179.14679.292NANANA
us-gaap:Goodwill █████▄▄▄▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▂▁▂▁▁▁▁▁▁▁▁▁▁▁578.519578.491577.236577.367576.6510.627510.598510.57483.281478.202477.964476.887473.024472.897472.391472.366472.418472.471472.438472.322472.407472.546466.576466.722466.844466.867466.961466.871466.94466.271465.734465.832465.861461.965461.064460.633460.747460.793458.434458.343NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▇▇███▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁120.401122.791124.219126.37129.27667.51167.86868.25356.64955.2555.16354.86554.79354.73754.97655.06555.06754.92855.01855.11155.83455.97955.90156.02756.15856.28856.27656.55656.97957.34856.79857.17757.50757.63557.94158.26255.98356.35856.06156.41NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▇█▅▅▃▁120.382128.418112.302111.652103.28690.755NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▃▃▃▃▃▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▂▁▂▂▂▂▂▄▄▅▅▄▅▅▅▅██▇▄8.8059.0558.9629.0488.9828.8749.1389.2098.6537.8457.1617.1276.8456.7676.9017.0376.886.966.9967.2337.457.2167.8438.1368.1438.427.66410.19810.76511.13711.1110.92311.12711.66911.56811.67714.90715.32513.67611.015NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LiabilitiesCurrent ▇▆▄▅▄▄▃▃▂▂▂▃▅▅▂▂▂▂▃▂▂▂▂▂▃▂▇██▇▂▂▁▁▂▁▂▁▁▁329.163318.516246.737262.22251.501223.669217.1191.67180.198166.416177.297193.522269.374268.6164.383171.832167.457167.451191.557171.336186.763161.912171.57175.554197.255156.673337.851363.986376.354338.248160.918156.822147.681142.59155.196145.4160.792135.303135.936149.342NANANA
us-gaap:AccountsPayableCurrent ▃▃▃▆▄▆▃▆▃▅▄▅▂▆▁▃▄▄▆▄▆▃▄▅█▂▃▄▅▃▅▅▄▆▇▅█▃▃▇39.26836.70437.83851.10144.02751.14339.73750.1536.97748.23642.63948.37234.75249.15429.34139.58642.84441.96250.72143.69552.46839.32743.61846.84957.06735.01338.59941.75844.52335.92148.49648.47244.05651.00252.99948.22559.18639.45938.24955.829NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃▅▅█▃▁33.31136.09336.25239.2833.76131.614NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent ▆▇▆▆▆▄▄▄▃▃▃▂▂▂▂▂▂▂▂▂▂▂▂▃▃▂▃▃█▄▂▁▂▁▁▂▁▁▁▁46.38748.54945.43143.75643.49635.44633.57630.23927.60825.15925.02723.46322.38220.14219.0519.75220.36920.26719.41622.11922.47221.75220.85324.35224.13120.51124.68225.16156.53633.8417.91717.30118.49414.90615.72418.85117.30814.97214.45716.141NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebtNoncurrent NANA160.090.0130.085.0100.089.2130.0103.4132.591.272.5115.0137.5100.0102.5140.0126.87583.75130.625152.5154.375141.25NANANANANANA177.004174.89172.812170.769168.759166.784164.841162.932161.054159.208NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▃█▇▁19.22221.10820.68118.504NANANA21.598NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent █▅▁▁▁▁▁▄▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▃▃▂▂▃▃▂▂▁▁▁31.04518.7897.8997.8837.8457.7547.71917.11116.98817.04216.77916.5116.49415.7815.80515.54915.27614.63813.61713.47813.02212.74212.98913.14311.10811.25111.10611.17611.49911.70211.76211.36210.77911.91811.6299.8819.5596.7366.2676.626NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▇█▅▄▃▁99.241104.44488.27886.65682.01269.979NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity █▇▆▇▆▅▄▄▄▄▃▃▂▂▃▃▂▂▂▃▂▂▂▂▁▂▂▂▁▂▂▂▂▂▁▁▁▂▂▂801.408750.696683.601726.608672.38618.569588.01591.334568.153556.391506.959540.354477.702453.083500.644524.099487.202461.582484.821513.253488.576477.798476.542451.356432.431444.484445.933448.89426.827481.287483.089453.291474.625447.445434.457413.684426.335489.334463.87462.049NANANA
us-gaap:CommonStockValue █████▇▇▇▇▇▆▆▆▆▆▆▆▆▅▅▅▅▅▅▄▄▄▃▃▃▃▂▂▂▂▂▂▂▁▁36.13736.0435.91235.81135.73835.59135.52135.31135.21135.14134.88534.73234.51434.4734.40434.2734.17434.10534.07633.98533.81633.6233.51633.33733.19932.9832.62132.24532.08632.07531.95731.58931.45131.14231.06330.93730.91330.90730.70930.382NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ██▇▇▇▇▆▆▆▆▅▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁925.271904.421878.55860.671841.837817.255803.701774.358755.263744.228712.991695.797668.573661.553651.269639.703625.961617.793610.219603.006581.342562.654553.565538.845528.973511.794504.883481.011469.934466.98457.79437.364428.232410.957404.546398.094394.822391.507379.167365.007NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▆▆▆▆▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁1615.4651553.1441476.1511425.7521365.3031311.4461265.4851225.6171175.9491129.2891078.691038.955988.895957.941983.742958.149930.184907.531886.604865.845839.979815.229791.97771.176745.077724.295703.385686.114666.894653.146641.946623.035599.68582.316564.13546.757524.197505.736488.439473.316NANANA
us-gaap:TreasuryStockValue ███▇▇▇▇▆▆▆▆▅▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▁▁1777.8091745.2991709.391597.941572.8441548.1381519.0771446.2961400.5771354.5381321.8431231.3321216.5091203.0771170.9331110.5361105.621100.3141048.509991.978968.946936.056904.825894.285877.067826.802797.141752.634744.21673.008650.668640.732586.744579.013567.279564.091525.555440.809436.427408.615NANANA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▅▄▆▃▄▄▅▄▄▁▅▃▄124.59188.49689.32663.604128.73835.32273.58556.53109.57255.84365.193-28.49490.66531.53868.786NANANANANANANANANANANANANANA76.5258.14154.43122.68244.27410.38166.40756.8092.58648.54128.02237.71312.6267.651
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▇█▁██▆▇███▇▇█-10.22-13.885-21.493-13.098-149.213-14.515-13.934-56.276-23.735-11.297-13.917-16.952-22.085-19.481-9.09NANANANANANANANANANA-11.16-8.352-10.388-7.358-8.272-5.328-8.823-12.244-7.495-12.122-6.137-8.459-13.236-6.282-16.115-7.416-6.615-5.554
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▁▅▅█▆▅▅▆▅▅█▅▅▆-21.981-183.186-45.04-53.41426.218-26.252-55.714-62.882-31.046-45.564-48.71137.696-63.462-45.353-27.957NANANANANANANANANANA-57.365-24.741-3.387-73.677-28.1620.612-45.373-1.108-11.027-2.126-43.531-77.9491.846-32.431-99.447-1.92-9.05-2.394
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▆█▅▄▆▃▄▄▅▄▄▁▅▃▄124.59188.49689.32663.604128.73835.32273.58556.53109.57255.84365.193-28.49490.66531.53868.786NANANANANANANANANANANANANANA76.5258.14154.43122.68244.27410.38166.40756.8092.58648.54128.02237.71312.6267.651
us-gaap:NetIncomeLoss ▇█▆▇▆▆▅▆▆▆▅▆▅▁▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄67.72282.10155.89165.5858.94750.72944.66754.32851.24954.97144.99654.55235.437-21.65629.84432.18926.82924.88524.8429.92928.83326.97524.53729.79524.58524.36320.57422.90917.43214.60822.27826.7420.84521.27420.44525.70521.88720.28618.10122.6320.98818.85519.358
us-gaap:DepreciationDepletionAndAmortization ████▅▅▄▄▄▄▄▃▃▃▃▃▃▃▃▂▃▄▃▁▃14.22514.14713.86514.09510.58810.29310.22910.1259.6929.7529.2948.9698.8528.8658.9398.7458.7058.6728.5167.4158.8129.1138.1596.2698.167NANANANANANANANANANANANANANANANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▃▄▄▇▃▆▄▅▄▅▄▆▃▅▃█▄▂▇▃▅▃▆▄█▃▆▅▅▁▇▄▆▃▇▂▄▆▃▅▅▆▇-21.297-0.427-6.26929.805-27.17116.5320.08110.207-10.6947.648-1.59126.462-21.7312.168-17.97250.203-8.9-40.21141.05-14.2427.928-22.74424.926-4.24243.245-20.91827.714.3026.452-48.45136.706-5.98821.866-26.40634.949-32.887-3.2827.194-17.9239.1286.35916.72436.445
us-gaap:IncreaseDecreaseInInventories ▄▄▃▄█▄▆▃▄▅▃▂▄▄▂▂▃▄▃▃▅▄▄▃▁▄▃▃▆▂▁▁▁▂▃▃▄▇▅▂▃▅▄0.0790.154-0.1490.1081.0180.0210.61-0.0780.0670.422-0.06-0.3240.040.185-0.322-0.346-0.0190.018-0.212-0.2310.2950.08-0.002-0.217-0.4710.18-0.027-0.0260.573-0.403-0.499-0.581-0.507-0.322-0.2-0.220.2060.7150.239-0.257-0.0270.3690.066
us-gaap:IncreaseDecreaseInAccountsPayable ▇▇▄▄█▄▄▄▇▄▄▆▅▅▃▅▄▅▄▄▅▅▃▅▅▄▁▄█▆▄▄▅▄▄▄▅▅▃▅▅▅▄21.22320.34-7.037-0.20532.797-4.5230.348-3.24727.091-6.998-7.91110.4429.3793.835-10.7666.362-0.5922.688-7.567-5.487.278.224-9.5383.8563.904-1.023-32.561-8.62734.24615.419-0.6980.58.0470.301-3.894-4.0519.2575.534-12.1371.3319.4443.416-0.381
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄▄▅▄▄▄▅▄▅▄█▄▁▄▄▄▄▄▅▄▄▄▄▄▄▅▅▄▄▄▅▄▄▄▅▄▄▄▄▄▄▄-1.8860.4272.293.315-3.3160.72-3.4896.531-3.5174.98-2.80738.582-1.299-32.461-2.415-1.177-1.286-0.042-4.2029.0190.089-0.049-2.7341.348-0.55-0.6616.8414.693-6.306-4.694-0.6813.657-1.913-1.498-3.3978.85-1.59-0.8320.8141.477-1.522-0.082-2.282
 us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:StatementScenario che:CaresActNA10.28.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AmortizationOfFinancingCosts ▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▃▄▄▃▃█▃▃▃▃▃▃▃▃▂▂▂0.0760.0770.0760.0770.0760.0770.0760.080.0730.160.1280.1290.1290.1290.1290.1290.130.130.130.1310.130.1310.1310.1290.1330.2270.3370.330.3240.3170.780.3250.3190.3130.3080.2960.30.2950.2460.1710.1660.161NA
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ██▇█▁██▆▇███▇▇█-10.22-13.885-21.493-13.098-149.213-14.515-13.934-56.276-23.735-11.297-13.917-16.952-22.085-19.481-9.09NANANANANANANANANANA-11.16-8.352-10.388-7.358-8.272-5.328-8.823-12.244-7.495-12.122-6.137-8.459-13.236-6.282-16.115-7.416-6.615-5.554
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▄▇▄▄▅▅▆▄▃▄▅█▇▃▃▃▂▄▅▃▃▂▄▄▃▂▃▂▂▁▂▂▁▄▁▂▂▁▁▂▁▁10.41912.35419.89713.26911.44114.44613.86616.31812.68211.22412.64814.05322.11419.1139.0210.0649.7258.5111.47313.94111.34810.2938.55311.82612.29111.3238.13110.4376.6876.7945.4068.7638.0156.45612.0186.1338.4998.7876.1736.5327.1656.5185.424
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▁▅▅█▆▅▅▆▅▅█▅▅▆-21.981-183.186-45.04-53.41426.218-26.252-55.714-62.882-31.046-45.564-48.71137.696-63.462-45.353-27.957NANANANANANANANANANA-57.365-24.741-3.387-73.677-28.1620.612-45.373-1.108-11.027-2.126-43.531-77.9491.846-32.431-99.447-1.92-9.05-2.394
us-gaap:PaymentsOfDividendsCommonStock █▇▇▇▇▆▆▆▇▆▆▆▆▅▅▅▅▄▅▄▅▄▄▄▄▃▂▃▃▃▃▃▃▂▂▂▃▂▂▂▂▁▁5.4015.1085.135.1315.094.7684.7994.8124.8344.4834.5334.4924.4834.1454.2514.2244.1763.9584.0814.0634.0833.7163.7433.6973.8013.4543.3033.6893.6843.4083.3673.3853.4813.0883.0723.1453.4262.992.9773.1993.2012.7422.739
us-gaap:PaymentsForRepurchaseOfCommonStock ▃▃█▂▁▃▄▄▄▁▇▁▂▃▅▁▂▄▅▃▁24.97521.913100.23520.7050.022.67649.2536.90837.6723.17981.1250.09.57730.80154.2620.07.97641.87752.4622.6416.92NANA10.91640.6125.51132.9823.371.163NANA52.9980.586NANA33.68284.8061.22224.2693.9640.0267.6332.516
  2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3636353535353535353534343434343434343433333333333332323232323131313131303030303029
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.82.82.82.93.33.33.63.63.83.83.83.93.83.93.94.14.03.94.03.83.83.73.93.83.93.83.63.63.63.63.73.63.73.73.93.83.63.73.73.6

None

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value36353535353535353534343434343434343433333333333332323232323131313131303030303029
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value161616161616161616161616161617171717171718181819191919212121222323
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value151515151515161616151616161616161616171717181818181818202121222222
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value285000.0285000.00246000.0246000.000328000.000402000.0418000.0418000.0421000.00411000.0411000.000329000.0434000.031000.011000.01400000.01400000.01400000.01500000.0970000.0979000.0990000.0976000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.00.0100.0100.00.00.0100.00.00.0100.0100.0100.0100.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.255.163.54.093.693.182.83.393.193.432.793.392.22-1.351.841.981.661.511.491.781.711.61.451.761.441.411.171.290.960.791.21.421.11.121.081.311.060.960.861.00.930.830.86
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.145.013.383.963.563.082.73.253.063.272.663.262.13-1.351.781.941.621.481.451.721.651.551.41.71.391.361.121.270.940.771.171.391.071.11.061.281.040.940.840.980.910.820.84
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value528502515-135.047480473462-127.578444441439428417415405403392390390398386381376379358360358348340357366368354354352350341333330336320314308
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StatementBusinessSegments

che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value191174177182158160155150142145147
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.234.834.5-135.133.134.033.6-118.032.132.833.5
Percentage of Revenues36.234.834.50.033.134.033.60.032.132.833.5
Percentage of Revenues che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value337327337321312306306301296292
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.865.265.566.966.066.4-240.667.967.266.5
Percentage of Revenues63.865.265.566.966.066.40.067.967.266.5
Percentage of Revenues che:SegmentVitas0.00.00.00.00.00.00.0100.00.00.0

None

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

che:AllOther, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.3322.9713.5343.5062.7912.9743.0082.9262.8762.8353.32
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.60.60.70.00.60.60.70.00.60.60.8
Percentage of Revenues che:AllOther che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

che:AllOtherRevenueSelfPayRespiteCareEct., che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2.912.1093.1472.3562.2372.012.1041.9981.741
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax87.371.089.084.475.266.873.270.552.4
Percentage of Revenues0.60.40.60.50.50.40.50.50.4
Percentage of Revenues che:AllOtherRevenueSelfPayRespiteCareEct. che:SegmentVitas0.00.00.00.00.00.00.00.00.0

che:CareServicesTotal, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value337336344347327320313313307300293
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10119.711336.19756.69920.711744.610764.710427.610720.410679.310616.38852.6
Percentage of Revenues63.867.166.80.068.267.667.90.069.268.166.9
Percentage of Revenues che:CareServicesTotal che:SegmentVitas0.00.00.00.00.00.00.00.00.00.00.0

che:ContinuousCare, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3034404029303230303030
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax921.31164.01147.61169.31055.01035.21071.91053.81056.51076.3926.7
Percentage of Revenues5.86.97.90.06.16.57.00.06.86.97.0
Percentage of Revenues che:ContinuousCare che:SegmentVitas0.00.00.00.00.00.00.00.00.00.00.0

che:ContractorRevenue, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1615161514141413121212
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax488.4511.4459.2432.3513.9490.2465.7449.2424.9436.2372.4
Percentage of Revenues3.13.03.10.03.03.13.00.02.82.82.8
Percentage of Revenues che:ContractorRevenue che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

che:FranchiseFees, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.2351.211.191.0891.8191.6231.6211.6241.5931.5741.592
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax37.140.733.731.165.254.653.955.555.455.548.0
Percentage of Revenues0.20.20.20.00.40.30.40.00.40.40.4
Percentage of Revenues che:FranchiseFees che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

che:InpatientCare, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2725323023222220192022
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax829.3870.7919.1880.1845.5769.8750.3713.4682.1708.2665.9
Percentage of Revenues5.25.26.30.04.94.84.90.04.44.55.0
Percentage of Revenues che:InpatientCare che:SegmentVitas0.00.00.00.00.00.00.00.00.00.00.0

che:RoutineHomeCare, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value278276271275274266258261257250241
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8369.09301.47689.97871.29844.08959.78605.38953.28940.78831.87260.0
Percentage of Revenues52.855.052.70.057.256.356.00.057.956.754.9
Percentage of Revenues che:RoutineHomeCare che:SegmentVitas0.00.00.00.00.00.00.00.00.00.00.0

che:ShortTermCoreServiceJobs, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value143126134141115115111110102105104
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4294.44259.23803.74029.94125.23871.73692.13768.73558.63706.73135.1
Percentage of Revenues27.125.226.10.024.024.324.00.023.023.823.7
Percentage of Revenues che:ShortTermCoreServiceJobs che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

che:WaterRestoration, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3231293425282724252427
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax964.51057.8827.6978.9922.2949.5919.3829.9869.3873.5835.5
Percentage of Revenues6.16.35.70.05.46.06.00.05.65.66.3
Percentage of Revenues che:WaterRestoration che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService, us-gaap:StatementBusinessSegments, us-gaap:Subsegments

che:CareServicesTotal, che:SegmentVitas, che:CommercialInsurance


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8.7068.7088.9918.9219.6178.9078.3918.6668.3478.4248.464
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax261.3293.1254.4254.4344.6299.5279.0296.2290.2297.1254.9
Percentage of Revenues1.61.71.70.02.01.91.80.01.91.91.9
Percentage of Revenues che:CareServicesTotal che:SegmentVitas che:CommercialInsurance0.00.00.00.00.00.00.00.00.00.00.0

che:CareServicesTotal, che:SegmentVitas, che:Medicaid


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1516161715151516151514
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax476.8558.9468.7494.5568.1518.9518.9551.6539.7539.7449.7
Percentage of Revenues3.03.33.20.03.33.33.40.03.53.53.4
Percentage of Revenues che:CareServicesTotal che:SegmentVitas che:Medicaid0.00.00.00.00.00.00.00.00.00.00.0

che:CareServicesTotal, che:SegmentVitas, che:Medicare


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value312311319321302295289288283277270
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9381.610484.09033.59171.810831.99946.39629.79872.79849.49779.48147.9
Percentage of Revenues59.262.061.90.062.962.562.70.063.862.861.6
Percentage of Revenues che:CareServicesTotal che:SegmentVitas che:Medicare0.00.00.00.00.00.00.00.00.00.00.0

che:ContinuousCare, che:SegmentVitas, che:CommercialInsurance


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.5961.4771.5521.3821.4741.4031.4841.2861.4551.5041.531
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax47.949.743.939.452.847.249.344.050.653.146.1
Percentage of Revenues0.30.30.30.00.30.30.30.00.30.30.3
Percentage of Revenues che:ContinuousCare che:SegmentVitas che:CommercialInsurance0.00.00.00.00.00.00.00.00.00.00.0

che:ContinuousCare, che:SegmentVitas, che:Medicaid


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.3641.6221.8711.9681.5491.4081.7871.5561.5391.4281.603
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax40.954.652.956.155.547.359.453.253.550.448.3
Percentage of Revenues0.30.30.40.00.30.30.40.00.30.30.4
Percentage of Revenues che:ContinuousCare che:SegmentVitas che:Medicaid0.00.00.00.00.00.00.00.00.00.00.0

che:ContinuousCare, che:SegmentVitas, che:Medicare


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2731373726272827272727
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax832.51059.71050.71073.8946.7940.7963.2956.7952.4972.9832.3
Percentage of Revenues5.36.37.20.05.55.96.30.06.26.26.3
Percentage of Revenues che:ContinuousCare che:SegmentVitas che:Medicare0.00.00.00.00.00.00.00.00.00.00.0

che:InpatientCare, che:SegmentVitas, che:CommercialInsurance


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.0191.1091.7751.5531.5851.4951.4331.4371.3321.1951.203
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.637.350.244.356.850.347.649.146.342.236.2
Percentage of Revenues0.20.20.30.00.30.30.30.00.30.30.3
Percentage of Revenues che:InpatientCare che:SegmentVitas che:CommercialInsurance0.00.00.00.00.00.00.00.00.00.00.0

che:InpatientCare, che:SegmentVitas, che:Medicaid


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.4152.3112.5592.8611.9762.1172.1482.2571.9981.8532.048
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax72.577.872.481.670.871.271.477.169.565.461.7
Percentage of Revenues0.50.50.50.00.40.40.50.00.40.40.5
Percentage of Revenues che:InpatientCare che:SegmentVitas che:Medicaid0.00.00.00.00.00.00.00.00.00.00.0

che:InpatientCare, che:SegmentVitas, che:Medicare


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2422282620191817161718
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax726.3755.6796.5754.2718.0648.4631.3587.1566.3600.7568.0
Percentage of Revenues4.64.55.50.04.24.14.10.03.73.94.3
Percentage of Revenues che:InpatientCare che:SegmentVitas che:Medicare0.00.00.00.00.00.00.00.00.00.00.0

che:RoutineHomeCare, che:SegmentVitas, che:CommercialInsurance


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.0916.1225.6645.9866.5586.0095.4745.9435.565.7255.73
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax182.8206.1160.3170.7235.0202.1182.0203.1193.3201.9172.6
Percentage of Revenues1.21.21.10.01.41.31.20.01.31.31.3
Percentage of Revenues che:RoutineHomeCare che:SegmentVitas che:CommercialInsurance0.00.00.00.00.00.00.00.00.00.00.0

che:RoutineHomeCare, che:SegmentVitas, che:Medicaid


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1212121212111112111211
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax363.4426.6343.3356.7441.8400.4388.1421.3416.7424.0339.8
Percentage of Revenues2.32.52.40.02.62.52.50.02.72.72.6
Percentage of Revenues che:RoutineHomeCare che:SegmentVitas che:Medicaid0.00.00.00.00.00.00.00.00.00.00.0

che:RoutineHomeCare, che:SegmentVitas, che:Medicare


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value260257253257255248241243239232224
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7822.98668.87186.37343.89167.28357.38035.28328.98330.78205.96747.6
Percentage of Revenues49.351.349.20.053.252.552.30.053.952.751.0
Percentage of Revenues che:RoutineHomeCare che:SegmentVitas che:Medicare0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementBusinessSegments

che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value196177184195159162157152144146149
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5884.45969.15224.25572.15726.45466.05231.05203.25008.25172.04491.0
Percentage of Revenues37.135.335.80.033.334.334.10.032.433.233.9
Percentage of Revenues che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.0

che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value340338347330322315309302295
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax10207.011407.19845.711829.010839.910494.410752.410686.78905.0
Percentage of Revenues64.467.567.568.768.168.369.668.667.3
Percentage of Revenues che:SegmentVitas0.00.00.00.00.00.0102.50.00.0

None

us-gaap:Revenues

us-gaap:Revenues


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value528502515522480473462457444441439428417415405403392390390398386381376379358360358348340357366368354354352350341333330336320314308
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues dei:LegalEntity

che:Vitas


None
Period End2020-09-302020-06-30
Value6.34.2
Percentage of Revenues1.20.8
Percentage of Revenues1.20.8
Percentage of Revenues che:Vitas100.0100.0

None

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value339352351347328323321313305305304291288285285279281276278275272270268263256257257245243255264261256257257248245239237235227223219
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues64.270.168.266.568.368.369.768.468.769.269.368.069.068.970.369.271.770.871.369.270.470.971.469.471.671.472.070.671.371.572.171.172.472.772.970.971.871.971.870.071.171.071.0

None

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value339352351347328323321313305305304291288285285279281276278275272270268263256257257245243255264261256257257248245239237235227223219
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues64.270.168.266.568.368.369.768.468.769.269.368.069.068.970.369.271.770.871.369.270.470.971.469.471.671.472.070.671.371.572.171.172.472.772.970.971.871.971.870.071.171.071.0

None

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value453409436444415408412390382383382371363454364350349352345349336337336329318318321309311331327322318314317304300297300297283281274
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues85.981.584.685.286.586.289.385.386.186.887.286.887.1109.489.886.889.190.288.687.787.088.389.286.888.888.589.888.791.492.889.487.589.888.890.186.987.989.290.888.688.589.388.8

None

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value88847083767174656768697166686962596259665557585753535554485355525249534847505555484948
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues16.716.813.715.916.015.116.014.415.115.515.716.716.016.517.115.515.116.015.116.614.315.215.615.114.914.915.515.814.314.915.214.314.914.115.113.913.915.116.816.415.015.915.7

None

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value74927977646549676158565653-38.9484153423844495044405040413639292538453539344641353038363334
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues14.118.515.414.813.513.810.714.713.913.212.813.212.9-9.410.213.210.99.811.412.313.011.710.813.211.211.510.211.38.67.210.612.510.211.29.913.112.110.89.211.411.510.711.2

None

us-gaap:InterestExpense

us-gaap:InterestExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.3790.6510.9751.1331.0411.2371.1241.1771.0821.5241.2071.1081.0481.1210.9950.8841.0180.9710.8420.7990.9080.9690.9690.9620.982.4293.8153.7443.53.6974.0943.6913.7433.6723.6173.6283.5553.4613.2443.0132.9952.9992.952
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.10.20.20.20.30.20.30.20.30.30.30.30.30.20.20.30.20.20.20.20.30.30.30.30.71.11.11.01.01.11.01.11.01.01.01.01.01.00.90.91.01.0

None

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.004-0.018.757-0.0230.0318.150.0010.003-0.0012.021-0.0010.001-0.001-0.2350.0120.015-0.4792.454-0.0110.096-0.0185.4890.008-0.0361.7061.1581.84-0.972.095-0.164-1.9350.7142.1021.850.2220.010.186
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-0.0-0.01.7-0.00.01.90.00.0-0.00.5-0.00.0-0.0-0.10.00.0-0.10.6-0.00.0-0.01.60.0-0.00.50.30.5-0.30.6-0.0-0.60.20.60.60.10.00.1

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value81996879666450626257565854-38.41642524340404846444049393933372523
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues15.419.813.415.213.913.611.013.714.213.012.813.613.0-9.310.613.011.110.410.412.312.111.610.713.011.111.19.410.97.56.7

None

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value7.6757.514-9.4663.2763.0360.0132.439-3.3982.31.0381.0182.7151.3231.6532.4630.0871.643.217-2.9240.569-2.3550.5360.5630.2440.7050.7560.8162.158-0.091.6961.7061.1581.84-0.97
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.51.5-1.80.60.60.00.5-0.70.50.20.20.60.30.40.60.00.40.8-0.70.1-0.60.10.10.10.20.20.20.6-0.00.50.50.30.5-0.3

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value131713147.976136.128.478112.684113.58718-16.7613201615151918171519151513148.1889.28314161313131613121114121212
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues2.63.52.52.71.72.91.31.92.60.62.60.84.5-4.03.25.04.24.04.04.84.74.54.15.14.34.33.74.32.42.63.94.53.73.83.74.74.13.83.44.44.13.84.0

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value67825565585044545154445435-21.6562932262424292826242924242022171422262021202521201822201819
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.816.310.812.612.310.79.711.911.512.410.212.78.5-5.27.48.06.86.46.47.57.57.16.57.96.96.85.76.65.14.16.17.35.96.05.87.36.46.15.56.76.56.06.3

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

us-gaap:OperatingSegments


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value76896576656452656057546842-15.1963540333132393633313731312830222129
Percentage of NetIncomeLoss113.6109.3117.4117.2111.8127.2117.0119.7118.0103.8122.1125.4119.970.2118.0124.6125.8128.2129.3133.5127.2125.9127.7124.2127.9129.8137.0135.0130.7149.9133.6
Percentage of Revenues14.617.912.714.713.713.611.314.213.612.912.516.010.2-3.78.79.98.68.28.210.09.58.98.39.88.88.87.98.96.76.18.1
Percentage of Revenues us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value312924272627222524252225161714121313101212119.8481010108.1811.4149.624
Percentage of NetIncomeLoss46.035.943.541.844.353.651.547.747.946.051.046.945.2-78.849.047.953.652.438.045.148.938.540.144.048.843.846.99.743.2
Percentage of Revenues5.95.94.75.25.45.75.05.75.55.75.26.03.84.13.63.33.43.32.83.23.23.02.73.02.82.92.40.42.6
Percentage of Revenues us-gaap:OperatingSegments che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value45604149393729393531324226-32.254202018192521192521201820142020
Percentage of NetIncomeLoss67.573.473.975.467.573.665.672.070.157.871.278.574.7148.969.077.974.576.889.280.878.785.787.885.888.391.383.8140.290.4
Percentage of Revenues8.712.08.09.58.37.96.38.68.17.27.310.06.3-7.85.15.34.84.96.75.75.16.76.05.85.16.04.35.75.5
Percentage of Revenues us-gaap:OperatingSegments che:SegmentVitas0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments

us-gaap:Corporate


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-9.191-7.612-9.71-11.25-6.966-13.785-7.607-10.71-9.235-2.112-9.957-13.879-7.051-6.46-5.377-7.911-6.929-7.006-7.267-10.029-7.851-6.978-6.786
Percentage of NetIncomeLoss-13.6-9.3-17.4-17.2-11.8-27.2-17.0-19.7-18.0-3.8-22.1-25.4-19.929.8-18.0-24.6-25.8-28.2-29.3-33.5-27.2-25.9-27.7
Percentage of Revenues-1.7-1.5-1.9-2.2-1.4-2.9-1.6-2.3-2.1-0.5-2.3-3.2-1.7-1.6-1.3-2.0-1.8-1.8-1.9-2.5-2.0-1.8-1.8
Percentage of Revenues us-gaap:Corporate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6782556558504454515444
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.816.310.812.612.310.79.711.911.512.410.2
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value67825565585044545154445435-21.6562932262424292826242924242022171422
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.816.310.812.612.310.79.711.911.512.410.212.78.5-5.27.48.06.86.46.47.57.57.16.57.96.96.85.76.65.14.16.1

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1366129112771268123210941069975979928912920895910886880842852882852897885895859869841868893881898899859864831831795815850822830819
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value565540593541560475481384410371405379417457385355355391398339409407419408437397422444454417416406390383397382388361358368342
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.441.946.542.745.443.545.039.442.040.144.541.346.750.243.540.442.245.945.139.845.646.046.847.550.347.248.749.851.646.546.347.345.146.247.748.047.742.543.644.341.8

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1366129112771268123210941069975979928912920895910886880842852882852897885895859869841868893881898899859864831831795815850822830819
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value801750683726672618588591568556506540477453500524487461484513488477476451432444445448426481483453474447434413426489463462477
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.658.153.557.354.656.555.060.658.059.955.558.753.349.856.559.657.854.154.960.254.454.053.252.549.752.851.350.248.453.553.752.754.953.852.352.052.357.556.455.758.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value925904878860841817803774755744712695639603538481437
Percentage of StockholdersEquity115.5120.5128.5118.5125.2132.1136.7131.0132.9133.8140.6128.8122.1117.5119.4107.296.5
Percentage of Assets67.770.068.867.968.374.775.179.477.180.278.175.672.770.762.753.850.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value3636353535353535353534343433333231
Percentage of StockholdersEquity4.54.85.34.95.35.86.06.06.26.36.96.46.56.67.47.27.0
Percentage of Assets2.62.82.82.82.93.33.33.63.63.83.83.83.94.03.93.63.7
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredCompensationShareBasedPayments


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2.3442.392.3782.3142.3462.4152.382.3442.3072.2712.2362.2022.5132.3952.2832.1542.035
Percentage of StockholdersEquity0.30.30.30.30.30.40.40.40.40.40.40.40.50.50.50.50.4
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.20.2
Percentage of Assets us-gaap:DeferredCompensationShareBasedPayments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value161515531476142513651311126512251175112910781038958865771686623
Percentage of StockholdersEquity201.6206.9215.9196.2203.1212.0215.2207.3207.0203.0212.8192.3182.8168.7170.9152.8137.4
Percentage of Assets118.2120.3115.5112.4110.8119.9118.3125.6120.1121.7118.2112.9108.9101.689.776.872.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value-1777.809-1745.299-1709.39-1597.94-1572.844-1548.138-1519.077-1446.296-1400.577-1354.538-1321.843-1231.332-1110.536-991.978-894.285-752.634-640.732
Percentage of StockholdersEquity-221.8-232.5-250.1-219.9-233.9-250.3-258.3-244.6-246.5-243.5-260.7-227.9-211.9-193.3-198.1-167.7-141.4
Percentage of Assets-130.1-135.2-133.8-126.0-127.6-141.5-142.0-148.3-143.0-145.9-144.8-133.8-126.2-116.4-104.0-84.2-74.5
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value270189198190167180159159205173161176135156175169132146179150200190208174188165198224216233236197205178177150168203183196198
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.814.715.615.013.616.514.916.421.018.717.719.115.117.219.919.315.817.220.417.722.421.523.320.321.719.722.825.124.526.026.323.023.721.421.318.920.723.922.323.724.2

None

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value11220286.1589.0663.3238.7684.831671213111813471521171514383228141827398483113726969593438215059491371091121123.6284.988
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.21.62.30.50.70.30.80.56.91.41.51.22.11.55.31.72.52.01.71.74.33.73.21.62.13.34.59.49.412.68.18.18.07.24.14.82.66.07.36.00.00.00.013.70.00.0

None

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value110132134143114136119119108119111113911171091328698143106123119145124132921169180761279310181110771121189211253
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.110.310.511.39.312.411.212.311.112.812.212.410.213.012.415.010.211.616.212.513.813.516.314.515.210.913.410.39.18.514.110.911.79.813.39.813.813.911.313.66.5

None

us-gaap:InventoryNet

us-gaap:InventoryNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7546000.07467000.07313000.07462000.07354000.06336000.06315000.05705000.05763000.05696000.05274000.05334000.05658000.05618000.05433000.05755000.06101000.06120000.06102000.06314000.06545000.06250000.06166000.06168000.06385000.06856000.06676000.06703000.06729000.06156000.06559000.07058000.07639000.08146000.08468000.08668000.08888000.08682000.07967000.07728000.07543000.0
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.70.70.70.70.70.70.70.70.70.70.80.80.80.80.70.70.80.91.01.01.11.11.01.00.90.9

None

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2882812782702642592542482412422352302272222162112082052062011951901831851871881851801781740.1697191640.159407155151146142142137132
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.121.821.821.321.423.723.825.524.726.125.825.025.424.424.424.024.824.123.423.621.821.520.521.621.622.421.320.220.319.40.019.10.018.718.218.417.416.716.716.0

None

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:AmortizationOfIntangibleAssets

us-gaap:FranchiseRights


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2352000.02352000.02352000.02897000.0331000.0331000.0441000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FranchiseRights0.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value18118318317517214916416215414514414314314011912111911811911711110710410510197939289909091908888828381797975
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets13.314.214.413.914.013.715.416.615.815.715.915.516.015.413.513.814.213.913.513.812.412.111.712.211.711.610.810.410.210.010.010.710.410.710.710.410.29.69.69.69.2

None

us-gaap:Goodwill

us-gaap:Goodwill


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value578578577577576510510510483478477476473472472472472472472472472472466466466466466466466466465465465461461460460460458458450
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets42.344.845.245.546.846.747.752.349.451.552.451.852.852.053.353.756.155.453.555.452.653.452.154.353.755.553.852.253.051.951.854.253.955.655.557.956.554.255.755.254.9

us-gaap:Goodwill us-gaap:StatementBusinessSegments

che:RotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value245245243244243177177177149149149148144144144144144144144144144138138
Percentage of Goodwill42.442.442.342.342.234.734.734.731.031.331.331.230.630.630.530.530.530.530.530.530.529.729.6
Percentage of Assets17.919.019.119.219.716.216.618.215.316.116.416.216.215.916.316.417.116.916.316.916.116.115.5
Percentage of Assets che:RotoRooter0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-31
Value333333333333333333333333333328328328328328328328328328328328328328328
Percentage of Goodwill57.657.657.757.757.865.365.365.369.068.768.768.869.469.469.569.569.569.569.569.569.570.370.4
Percentage of Assets24.425.826.126.327.030.531.234.234.035.436.035.736.736.137.037.339.038.537.238.536.638.236.8
Percentage of Assets che:SegmentVitas0.00.00.00.00.00.00.060.20.00.00.060.20.00.00.060.60.00.00.062.70.060.163.4

None

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value120122124126129676768565555545454545555545555555555565656565656575657575757585556565657
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.89.59.710.010.56.26.37.05.86.06.06.06.16.06.26.36.56.46.26.56.26.36.26.56.56.76.56.36.56.46.36.76.66.97.07.36.96.66.86.87.1

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value12012811211110390
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0
Percentage of Assets8.89.98.88.88.48.3

None

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8.8059.0558.9629.0488.9828.8749.1389.2098.6537.8457.1617.1276.8456.7676.9017.0376.886.966.9967.2337.457.2167.8438.1368.1438.427.6641010111110111111111415131113
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.70.70.70.70.80.90.90.90.80.80.80.80.70.80.80.80.80.80.80.80.80.90.90.91.00.91.11.21.21.21.31.31.41.41.51.81.81.71.31.7

None

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value329318246262251223217191180166177193269268164171167167191171186161171175197156337363376338160156147142155145160135135149136
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.124.719.320.720.420.420.319.618.417.919.421.030.129.518.519.519.919.621.720.120.818.319.220.422.718.638.940.742.737.617.918.217.117.218.718.319.715.916.518.016.6

None

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3936375144513950364842483449293942415043523943465735384144354848445152485939385552
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.83.04.03.64.73.75.13.85.24.75.33.95.43.34.55.14.95.75.15.84.44.95.46.64.24.44.75.14.05.45.65.16.16.46.17.34.64.66.76.4

None

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value333636393331
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.82.83.12.72.9

None

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4648454343353330272525232220191920201922222120242420242556331717181415181714141614
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.43.83.63.43.53.23.13.12.82.72.72.62.52.22.12.22.42.42.22.62.52.52.32.82.82.42.82.86.43.82.02.02.11.81.92.42.11.81.81.91.7

None

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value160901308510089130103132917211513710010214012683130152154141177174172170168166164162161159152
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.57.110.57.89.39.113.311.114.59.98.112.615.511.412.216.414.49.814.617.217.216.419.720.320.020.520.321.020.219.219.619.218.6

None

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


None
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value1921201821
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0
Percentage of Assets1.41.61.61.52.2

None

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value31187.8997.8837.8457.7547.719171617161616151515151413131312121311111111111111111011119.8819.5596.7366.2676.6264.536
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.31.50.60.60.60.70.71.81.71.81.81.81.81.71.81.81.81.71.51.61.51.41.51.51.31.31.31.31.31.31.31.31.21.41.41.21.20.80.80.80.6

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value9910488868269
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets7.38.16.96.86.76.4

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value801750683726672618588591568556506540477453500524487461484513488477476451432444445448426481483453474447434413426489463462477
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.658.153.557.354.656.555.060.658.059.955.558.753.349.856.559.657.854.154.960.254.454.053.252.549.752.851.350.248.453.553.752.754.953.852.352.052.357.556.455.758.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value925904878860841817803774755744712695639603538481437
Percentage of StockholdersEquity115.5120.5128.5118.5125.2132.1136.7131.0132.9133.8140.6128.8122.1117.5119.4107.296.5
Percentage of Assets67.770.068.867.968.374.775.179.477.180.278.175.672.770.762.753.850.9
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value3636353535353535353534343433333231
Percentage of StockholdersEquity4.54.85.34.95.35.86.06.06.26.36.96.46.56.67.47.27.0
Percentage of Assets2.62.82.82.82.93.33.33.63.63.83.83.83.94.03.93.63.7
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredCompensationShareBasedPayments


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2.3442.392.3782.3142.3462.4152.382.3442.3072.2712.2362.2022.5132.3952.2832.1542.035
Percentage of StockholdersEquity0.30.30.30.30.30.40.40.40.40.40.40.40.50.50.50.50.4
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.20.2
Percentage of Assets us-gaap:DeferredCompensationShareBasedPayments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value161515531476142513651311126512251175112910781038958865771686623
Percentage of StockholdersEquity201.6206.9215.9196.2203.1212.0215.2207.3207.0203.0212.8192.3182.8168.7170.9152.8137.4
Percentage of Assets118.2120.3115.5112.4110.8119.9118.3125.6120.1121.7118.2112.9108.9101.689.776.872.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value-1777.809-1745.299-1709.39-1597.94-1572.844-1548.138-1519.077-1446.296-1400.577-1354.538-1321.843-1231.332-1110.536-991.978-894.285-752.634-640.732
Percentage of StockholdersEquity-221.8-232.5-250.1-219.9-233.9-250.3-258.3-244.6-246.5-243.5-260.7-227.9-211.9-193.3-198.1-167.7-141.4
Percentage of Assets-130.1-135.2-133.8-126.0-127.6-141.5-142.0-148.3-143.0-145.9-144.8-133.8-126.2-116.4-104.0-84.2-74.5
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3636353535353535353534343434343434343433333333333332323232323131313131303030303029
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.62.82.82.82.93.33.33.63.63.83.83.83.93.83.93.94.14.03.94.03.83.83.73.93.83.93.83.63.63.63.63.73.63.73.73.93.83.63.73.73.6

None

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value925904878860841817803774755744712695668661651639625617610603581562553538528511504481469466457437428410404398394391379365335
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets67.770.068.867.968.374.775.179.477.180.278.175.674.772.773.572.774.372.469.170.764.863.661.862.760.860.858.153.853.352.050.950.949.549.448.750.048.446.046.144.041.0

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value161515531476142513651311126512251175112910781038988957983958930907886865839815791771745724703686666653641623599582564546524505488473403
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets118.2120.3115.5112.4110.8119.9118.3125.6120.1121.7118.2112.9110.4105.2111.0108.9110.4106.4100.4101.693.692.188.489.785.786.181.076.875.772.771.472.569.370.167.868.764.359.559.457.049.2

None

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1777174517091597157215481519144614001354132112311216120311701110110511001048991968936904894877826797752744673650640586579567564525440436408293
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets130.1135.2133.8126.0127.6141.5142.0148.3143.0145.9144.8133.8135.9132.2132.1126.2131.2129.0118.8116.4107.9105.7101.0104.0100.998.291.884.284.474.972.374.567.869.768.270.964.551.853.049.235.9

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12418889631283573561095565-28.494903168768.1415422441066562.586482837127.651
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.637.517.312.226.87.515.912.424.712.614.8-6.721.77.616.921.42.214.86.412.52.919.016.60.814.78.311.84.02.5

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-10.22-13.885-21.493-13.098-149.213-14.515-13.934-56.276-23.735-11.297-13.917-16.952-22.085-19.481-9.09-11.16-8.352-10.388-7.358-8.272-5.328-8.823-12.244-7.495-12.122-6.137-8.459-13.236-6.282-16.115-7.416-6.615-5.554
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.9-2.8-4.2-2.5-31.0-3.1-3.0-12.3-5.3-2.6-3.2-4.0-5.3-4.7-2.2-3.1-2.3-3.0-2.2-2.3-1.5-2.4-3.5-2.1-3.4-1.8-2.5-4.0-1.9-4.8-2.3-2.1-1.8

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-21.981-183.186-45.04-53.41426-26.252-55.714-62.882-31.046-45.564-48.71137-63.462-45.353-27.957-57.365-24.741-3.387-73.677-28.1620.612-45.373-1.108-11.027-2.126-43.531-77.9491.846-32.431-99.447-1.92-9.05-2.394
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-4.2-36.5-8.7-10.25.5-5.5-12.1-13.7-7.0-10.3-11.18.8-15.2-10.9-6.9-15.9-6.9-1.0-21.6-7.90.2-12.3-0.3-3.1-0.6-12.4-22.80.6-9.8-29.6-0.6-2.9-0.8

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12418889631283573561095565-28.494903168768.1415422441066562.586482837127.651
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues23.637.517.312.226.87.515.912.424.712.614.8-6.721.77.616.921.42.214.86.412.52.919.016.60.814.78.311.84.02.5

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value67825565585044545154445435-21.6562932262424292826242924242022171422262021202521201822201819
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.816.310.812.612.310.79.711.911.512.410.212.78.5-5.27.48.06.86.46.47.57.57.16.57.96.96.85.76.65.14.16.17.35.96.05.87.36.46.15.56.76.56.06.3

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems

us-gaap:OperatingSegments


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value76896576656452656057546842-15.1963540333132393633313731312830222129
Percentage of NetIncomeLoss113.6109.3117.4117.2111.8127.2117.0119.7118.0103.8122.1125.4119.970.2118.0124.6125.8128.2129.3133.5127.2125.9127.7124.2127.9129.8137.0135.0130.7149.9133.6
Percentage of Revenues14.617.912.714.713.713.611.314.213.612.912.516.010.2-3.78.79.98.68.28.210.09.58.98.39.88.88.87.98.96.76.18.1
Percentage of Revenues us-gaap:OperatingSegments0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value312924272627222524252225161714121313101212119.8481010108.1811.4149.624
Percentage of NetIncomeLoss46.035.943.541.844.353.651.547.747.946.051.046.945.2-78.849.047.953.652.438.045.148.938.540.144.048.843.846.99.743.2
Percentage of Revenues5.95.94.75.25.45.75.05.75.55.75.26.03.84.13.63.33.43.32.83.23.23.02.73.02.82.92.40.42.6
Percentage of Revenues us-gaap:OperatingSegments che:SegmentRotoRooter0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value45604149393729393531324226-32.254202018192521192521201820142020
Percentage of NetIncomeLoss67.573.473.975.467.573.665.672.070.157.871.278.574.7148.969.077.974.576.889.280.878.785.787.885.888.391.383.8140.290.4
Percentage of Revenues8.712.08.09.58.37.96.38.68.17.27.310.06.3-7.85.15.34.84.96.75.75.16.76.05.85.16.04.35.75.5
Percentage of Revenues us-gaap:OperatingSegments che:SegmentVitas0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementBusinessSegments

us-gaap:Corporate


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-9.191-7.612-9.71-11.25-6.966-13.785-7.607-10.71-9.235-2.112-9.957-13.879-7.051-6.46-5.377-7.911-6.929-7.006-7.267-10.029-7.851-6.978-6.786
Percentage of NetIncomeLoss-13.6-9.3-17.4-17.2-11.8-27.2-17.0-19.7-18.0-3.8-22.1-25.4-19.929.8-18.0-24.6-25.8-28.2-29.3-33.5-27.2-25.9-27.7
Percentage of Revenues-1.7-1.5-1.9-2.2-1.4-2.9-1.6-2.3-2.1-0.5-2.3-3.2-1.7-1.6-1.3-2.0-1.8-1.8-1.9-2.5-2.0-1.8-1.8
Percentage of Revenues us-gaap:Corporate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6782556558504454515444
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues12.816.310.812.612.310.79.711.911.512.410.2
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value14141314101010109.6929.7529.2948.9698.8528.8658.9398.7458.7058.6728.5167.4158.8129.1138.1596.2698.167
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-21.297-0.427-6.26929-27.171160.08110-10.6947.648-1.59126-21.7312-17.97250-8.9-40.21141-14.2427.928-22.74424-4.24243-20.91827146.452-48.45136-5.98821-26.40634-32.887-3.2827-17.9239.1286.3591636
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value79000.0154000.0-149000.0108000.01018000.021000.0610000.0-78000.067000.0422000.0-60000.0-324000.040000.0185000.0-322000.0-346000.0-19000.018000.0-212000.0-231000.0295000.080000.0-2000.0-217000.0-471000.0180000.0-27000.0-26000.0573000.0-403000.0-499000.0-581000.0-507000.0-322000.0-200000.0-220000.0206000.0715000.0239000.0-257000.0-27000.0369000.066000.0
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2120-7.037-0.20532-4.5230.348-3.24727-6.998-7.911109.3793.835-10.7666.362-0.5922.688-7.567-5.487.278.224-9.5383.8563.904-1.023-32.561-8.6273415-0.6980.58.0470.301-3.894-4.0519.2575.534-12.1371.3319.4443.416-0.381
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.8860.4272.293.315-3.3160.72-3.4896.531-3.5174.98-2.80738-1.299-32.461-2.415-1.177-1.286-0.042-4.2029.0190.089-0.049-2.7341.348-0.55-0.6616.8414.693-6.306-4.694-0.6813.657-1.913-1.498-3.3978.85-1.59-0.8320.8141.477-1.522-0.082-2.282
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit us-gaap:StatementScenario

che:CaresAct


None
Period End2020-06-302020-03-31
Value108.8
Percentage of DeferredIncomeTaxExpenseBenefit2388.8384.3

None

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value76000.077000.076000.077000.076000.077000.076000.080000.073000.0160000.0128000.0129000.0129000.0129000.0129000.0129000.0130000.0130000.0130000.0131000.0130000.0131000.0131000.0129000.0133000.0227000.0337000.0330000.0324000.0317000.0780000.0325000.0319000.0313000.0308000.0296000.0300000.0295000.0246000.0171000.0166000.0161000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-10.22-13.885-21.493-13.098-149.213-14.515-13.934-56.276-23.735-11.297-13.917-16.952-22.085-19.481-9.09-11.16-8.352-10.388-7.358-8.272-5.328-8.823-12.244-7.495-12.122-6.137-8.459-13.236-6.282-16.115-7.416-6.615-5.554
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-1.9-2.8-4.2-2.5-31.0-3.1-3.0-12.3-5.3-2.6-3.2-4.0-5.3-4.7-2.2-3.1-2.3-3.0-2.2-2.3-1.5-2.4-3.5-2.1-3.4-1.8-2.5-4.0-1.9-4.8-2.3-2.1-1.8

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10121913111413161211121422199.02109.7258.51111311108.5531112118.131106.6876.7945.4068.7638.0156.456126.1338.4998.7876.1736.5327.1656.5185.424
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-21.981-183.186-45.04-53.41426-26.252-55.714-62.882-31.046-45.564-48.71137-63.462-45.353-27.957-57.365-24.741-3.387-73.677-28.1620.612-45.373-1.108-11.027-2.126-43.531-77.9491.846-32.431-99.447-1.92-9.05-2.394
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-4.2-36.5-8.7-10.25.5-5.5-12.1-13.7-7.0-10.3-11.18.8-15.2-10.9-6.9-15.9-6.9-1.0-21.6-7.90.2-12.3-0.3-3.1-0.6-12.4-22.80.6-9.8-29.6-0.6-2.9-0.8

None

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.4015.1085.135.1315.094.7684.7994.8124.8344.4834.5334.4924.4834.1454.2514.2244.1763.9584.0814.0634.0833.7163.7433.6973.8013.4543.3033.6893.6843.4083.3673.3853.4813.0883.0723.1453.4262.992.9773.1993.2012.7422.739
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2421100200.0224936373.179810.09.57730540.07.9764152226.92104025323.371520.58633841.22224930.0267.6332.516
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value17.00.1760.1890.0070.1190.2110.121-0.0030.1860.0470.199-0.0980.3470.4360.305
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

che:CompensationIncentiveCommittee, us-gaap:PerformanceShares


None
Period End2020-02-21
Value5156.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0

None

us-gaap:LitigationReserveCurrent

us-gaap:LitigationReserveCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value9.5616.9597.1146.9417.2838.4318.1631.8571.4230.8231.6431.78691922.4711.8051.4951.7292.8191.2331.6981.8151.1150.7530.6857.4297.154231.161
Percentage of LitigationReserveCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationReserveCurrent us-gaap:LitigationCase

che:LaxV.RotoRooter


None
Period End2020-09-30
Value3.1
Percentage of LitigationReserveCurrent32.4

che:DeferredPayrollTaxes

che:DeferredPayrollTaxes


None
Period End2020-09-30
Value12
Percentage of DeferredPayrollTaxes100.0

che:DeferredPayrollTaxes us-gaap:StatementScenario

che:CaresAct


None
Period End2020-09-30
Value12
Percentage of DeferredPayrollTaxes99.8

che:FixedChargeCoverageRatioConsolidatedFreeCashFlowConsolidatedFixedCharges us-gaap:Range

che:FixedChargeCoverageRatioConsolidatedFreeCashFlowConsolidatedFixedCharges

srt:Maximum


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value001.50001.50
Percentage of FixedChargeCoverageRatioConsolidatedFreeCashFlowConsolidatedFixedCharges0.00.0100.00.00.00.0100.00.0

srt:Minimum


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value001.00001.00
Percentage of FixedChargeCoverageRatioConsolidatedFreeCashFlowConsolidatedFixedCharges0.00.066.70.00.00.066.70.0

che:ImplicitPriceConcessions us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

che:ImplicitPriceConcessions

che:ImplicitPriceConcessions, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-3784000.0-3042000.0-4149000.0-4236000.0-3720000.0-2948000.0-2957000.0-2959000.0-2833000.0
Percentage of ImplicitPriceConcessions100.0100.0100.0100.0100.0100.0100.0100.0100.0

che:ImplicitPriceConcessionsAndCreditMemos us-gaap:StatementBusinessSegments

che:ImplicitPriceConcessionsAndCreditMemos

che:SegmentRotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.8672.6076.74120.961.7252.096131.6481.6121.937
Percentage of ImplicitPriceConcessionsAndCreditMemos100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

che:IncreaseDecreaseInLeaseAssetsAndLiabilities

che:IncreaseDecreaseInLeaseAssetsAndLiabilities


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-296000.0-1440000.0153000.0-1649000.010000.0328000.0
Percentage of IncreaseDecreaseInLeaseAssetsAndLiabilities100.0100.0100.0100.0100.0100.0

che:IncreaseDecreaseMedicareCapLiability us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

che:IncreaseDecreaseMedicareCapLiability

che:MedicareCapService, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value4.072-5.75-2.5-1.317-3.198-3.4-1.95-0.5361.818
Percentage of IncreaseDecreaseMedicareCapLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

che:IncreaseDecreaseMedicareCapLiability us-gaap:StatementBusinessSegments

che:SegmentVitas


None
Period End2020-09-302018-09-30
Value-4.1-1.95
Percentage of IncreaseDecreaseMedicareCapLiability-100.7100.0

che:IncreaseDecreaseMedicareCapLiability us-gaap:StatementScenario, us-gaap:StatementBusinessSegments

che:FiveProgramsProjectedMeasurementPeriodLiability, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-31
Value-4.15.82.5
Percentage of IncreaseDecreaseMedicareCapLiability-100.7-100.9-100.0

che:InpatientCapPercentageMax us-gaap:Range, us-gaap:StatementBusinessSegments

che:InpatientCapPercentageMax

srt:Maximum, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-31
Value19.800.2
Percentage of InpatientCapPercentageMax100.00.0100.0

che:LeverageRatioConsolidatedIndebtednessConsolidatedAdjustmentEbitda us-gaap:Range

che:LeverageRatioConsolidatedIndebtednessConsolidatedAdjustmentEbitda

srt:Maximum


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value003.50003.50
Percentage of LeverageRatioConsolidatedIndebtednessConsolidatedAdjustmentEbitda0.00.0100.00.00.00.0100.00.0

srt:Minimum


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value001.00001.00
Percentage of LeverageRatioConsolidatedIndebtednessConsolidatedAdjustmentEbitda0.00.028.60.00.00.028.60.0

che:MarketValueGainsOnAssetsHeldInDeferredCompensationTrust

che:MarketValueGainsOnAssetsHeldInDeferredCompensationTrust


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value7256000.07408000.0-9572000.03160000.02886000.0-130000.02338000.0-3540000.02189000.0779000.0860000.02811000.01417000.01587000.02615000.0204000.01656000.03188000.0-2987000.01028000.0-2328000.0498000.0950000.0410000.0896000.0650000.01162000.02636000.0-189000.01063000.01472000.0738000.01576000.0-948000.02133000.02000.0-2011000.0743000.02064000.01862000.0243000.0-83000.0
Percentage of MarketValueGainsOnAssetsHeldInDeferredCompensationTrust100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

che:NoncashLongTermIncentiveCompensation

che:NoncashLongTermIncentiveCompensation


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312011-12-312011-09-302010-12-312010-09-30
Value1774000.01929000.01598000.01556000.01678000.01387000.01119000.01229000.01234000.01221000.01721000.0886000.01105000.0956000.0827000.0464000.0641000.0501000.0-305000.02889000.01364000.01457000.0934000.0581000.01002000.0613000.0373000.0140000.055000.0494000.0612000.0002581000.00
Percentage of NoncashLongTermIncentiveCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0

che:RoomAndBoardNet us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

che:RoomAndBoardNet

che:RoomAndBoard, che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-3289000.0-2647000.0-3381000.0-2846000.02710000.0-2542000.0-2569000.02675000.0
Percentage of RoomAndBoardNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentForAmortization

us-gaap:AdjustmentForAmortization


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value2511000.02488000.02477000.02969000.0441000.0406000.0519000.0303000.035000.034000.027000.026000.033000.032000.046000.085000.091000.091000.092000.0-765000.0737000.0582000.0576000.0730000.0717000.0735000.01009000.01192000.01190000.01181000.01127000.01137000.01135000.01127000.0
Percentage of AdjustmentForAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic


None
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value4.255.164.023.893.423.633.51
Percentage of BusinessAcquisitionProFormaEarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted


None
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value4.145.023.893.753.313.483.36
Percentage of BusinessAcquisitionProFormaEarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss


None
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value67826462545856
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue

us-gaap:BusinessAcquisitionsProFormaRevenue


None
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-30
Value528502515500495479472
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostAmortization dei:LegalEntity, us-gaap:CapitalizedContractCost

us-gaap:CapitalizedContractCostAmortization

che:Vitas, us-gaap:SoftwareAndSoftwareDevelopmentCosts


None
Period End2020-09-302020-06-302020-03-31
Value282000.0263000.0262000.0
Percentage of CapitalizedContractCostAmortization100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value92-8.57522-2.9085.743-5.4453.937-62.62854
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CharityCareDirectAndIndirectCostBasisAmount us-gaap:StatementBusinessSegments

us-gaap:CharityCareDirectAndIndirectCostBasisAmount

che:SegmentVitas


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2100000.01700000.02200000.02400000.02300000.02200000.02100000.02000000.02000000.02100000.02100000.02100000.01900000.0
Percentage of CharityCareDirectAndIndirectCostBasisAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.320.320.320.320.30.30.30.280.280.280.160.160.140.140.140.140.120.12
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value0.320.320.320.30.30.30.280.280.280.260.260.260.240.240.240.220.220.220.20.20.20.180.180.180.160.160.160.140.14
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:AccountsNotesLoansAndFinancingReceivablesByLegalEntityOfCounterpartyType, us-gaap:ConcentrationRiskByBenchmark, us-gaap:StatementBusinessSegments

us-gaap:ConcentrationRiskPercentage1

che:Medicaid, us-gaap:AccountsReceivable, che:SegmentVitas


None
Period End2020-03-31
Value0.25
Percentage of ConcentrationRiskPercentage1100.0

che:Medicare, us-gaap:AccountsReceivable, che:SegmentVitas


None
Period End2020-03-31
Value0.7
Percentage of ConcentrationRiskPercentage1280.0

che:MedicareAndMedicaid, us-gaap:AccountsReceivable, che:SegmentVitas


None
Period End2020-03-31
Value0.75
Percentage of ConcentrationRiskPercentage1300.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1111-4.4148.3746.4453.7966.9141.0665.4634.8075.1666.8894.4274.5516.157
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11111111109.8879.719.8229.6579.7189.2678.9438.8198.8338.8938.668.6148.5818.4248.188.0758.0828.0328.017.457.2727.1497.0336.9716.8996.7956.8316.5576.386.2416.2886.3136.3586.2886.3386.3856.1945.469
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.4015.1085.135.1315.094.7684.7994.8124.8344.4834.533
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.4015.1085.135.1315.094.7684.7994.8124.8344.4834.533
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value28000.062000.0-131000.024000.0-10000.029000.028000.0-87000.0-129000.059000.030000.052000.0-227000.025000.025000.0-52000.0-53000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss us-gaap:StatementBusinessSegments

che:RotoRooter


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value28000.062000.0-131000.024000.0-10000.029000.028000.0-87000.0-129000.059000.030000.052000.0-227000.025000.025000.0-52000.0-53000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-28.09113100.2422.168-11.4689.219-4.9613-3.50613-38.5369.45-11.673145.2995.478-16.33919-2.7055.433-14.08113.0930.9621.9025.322-4.3842.332-10.548104.7282.321-16.56115-9.5458.515-6.0019.739-1.904-0.173-7.05313
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.6588.036-5.0483.8183.492-0.3535.006-3.8973.7741.4044.2632.0922.0862.0122.14-0.472.0584.046-0.41-0.558-1.624-0.5862.8151.6310.391.6791.0691.5050.0881.8433.0711.2591.661-1.3713.6540.198-1.8411.9853.6672.2180.2450.2631.672
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.3527.45-6.0673.3093.212-0.6266.459-3.7392.3011.1313.7582.5152.2921.7621.9920.272.694.285-0.140.796-2.4420.3972.5693.1140.7261.5643.082.735-0.4231.1193.2821.6812.155-0.7485.2410.981-0.9471.2873.2272.0391.0220.2142.724
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOutstandingChecksFinancingActivities

us-gaap:IncreaseDecreaseInOutstandingChecksFinancingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.00.0-9.8493.608-9.24515-13.30313-14.5965.96-6.67114-7.0497.517-8.607-2.8287.532-12.5017.0610.5685.046-5.263-1.528-12.51922-0.8480.369-0.4870.68-8.443-3.1655.223-4.2840.7590.226-3.123100.496-8.31-0.3971.13-0.098-1.216
Percentage of IncreaseDecreaseInOutstandingChecksFinancingActivities0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2039000.01244000.0-1211000.0-3345000.04535000.02307000.0-6000.01147000.01405000.01158000.0-1045000.0414000.01000000.02576000.0-1003000.0-1393000.0-959000.03151000.0-546000.01358000.0-575000.01940000.0-1433000.0-1964000.0-7699000.02189000.01112000.0134000.04166000.0925000.01092000.01592000.0-882000.01161000.0-1833000.01378000.0-313000.0806000.0-747000.0131000.0-498000.0537000.0-502000.0
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends

us-gaap:IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value75000.076000.079000.0085000.072000.077000.0-4000.085000.0102000.0107000.03000.084000.0-5000.092000.0-2000.099000.099000.0145000.06000.0158000.0149000.0155000.0
Percentage of IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value358000.0383000.0446000.0-4000.0500000.0449000.0494000.0-12000.0613000.0674000.0680000.0-13000.0616000.067000.0490000.00294000.0289000.0305000.03000.0399000.0390000.0397000.010000.0416000.0376000.0362000.0-9000.0235000.0267000.0371000.03000.0341000.0288000.0304000.0-44000.0293000.0433000.0430000.034000.0304000.0348000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.4230.1160.1060.1260.1730.1120.1010.1420.1110.2590.1580.130.0510.1610.0850.0820.1190.0850.0970.0740.0770.0860.044-0.024-0.013
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value151514121111
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:LitigationCase

us-gaap:LitigationSettlementAmountAwardedToOtherParty

che:LaxV.RotoRooter


None
Period End2020-08-31
Value2600000.0
Percentage of LitigationSettlementAmountAwardedToOtherParty100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value151514121111
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value12121210109.987
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingActivitiesCashFlowStatement

us-gaap:OtherOperatingActivitiesCashFlowStatement


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1352000.0-442000.0388000.0122000.0440000.0278000.0559000.0311000.0224000.0191000.0-5000.0-53000.035000.0599000.0838000.0276000.0213000.050000.0-59000.0678000.0278000.060000.0129000.0
Percentage of OtherOperatingActivitiesCashFlowStatement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome dei:LegalEntity

us-gaap:OtherOperatingIncome

che:Vitas


None
Period End2020-06-30
Value41
Percentage of OtherOperatingIncome100.0

us-gaap:OtherOperatingIncome dei:LegalEntity, us-gaap:ProductOrService

che:Vitas, che:HardCosts


None
Period End2020-06-30
Value3.814
Percentage of OtherOperatingIncome9.3

che:Vitas, che:IncrementalMedicareCap


None
Period End2020-06-30
Value2.25
Percentage of OtherOperatingIncome5.5

che:Vitas, che:IncrementalPto


None
Period End2020-06-30
Value21
Percentage of OtherOperatingIncome52.3

che:Vitas, che:LostRevenue


None
Period End2020-06-30
Value13
Percentage of OtherOperatingIncome32.9

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-12.20741-0.242-0.131-0.078-2.57-6.353-1.212-0.2570.1180.051
Percentage of OtherOperatingIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet dei:LegalEntity, us-gaap:ProductOrService, us-gaap:RestructuringCostAndReserve

che:Vitas, che:IncrementalMedicareCap, che:CaresActGrant


None
Period End2020-09-302020-06-30
Value-2.32.3
Percentage of OtherOperatingIncomeExpenseNet18.85.6

che:Vitas, che:LostRevenue, che:CaresActGrant


None
Period End2020-09-302020-06-30
Value-13.513
Percentage of OtherOperatingIncomeExpenseNet110.632.6

us-gaap:OtherOperatingIncomeExpenseNet us-gaap:ProductOrService, us-gaap:RestructuringCostAndReserve

che:HardCosts, che:CaresActGrant


None
Period End2020-09-30
Value6.945
Percentage of OtherOperatingIncomeExpenseNet-56.9

che:IncrementalMedicareCap, che:CaresActGrant


None
Period End2020-09-30
Value-2.25
Percentage of OtherOperatingIncomeExpenseNet18.4

che:LostRevenue, che:CaresActGrant


None
Period End2020-09-30
Value-13.5
Percentage of OtherOperatingIncomeExpenseNet110.6

us-gaap:OtherOperatingIncomeExpenseNet us-gaap:RestructuringCostAndReserve

che:CaresActGrant


None
Period End2020-09-302020-06-30
Value-8.80540
Percentage of OtherOperatingIncomeExpenseNet72.199.0

che:GainOnSaleOfFixedAssets


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.3070.395-0.242-0.078-0.304-0.353-0.257-0.0860.051
Percentage of OtherOperatingIncomeExpenseNet2.51.0100.0100.011.85.6100.0-72.9100.0

us-gaap:OtherRestructuring


None
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-3.0950.00.00.0-6.0-1.00.00.204
Percentage of OtherOperatingIncomeExpenseNet25.4-0.0-0.0-0.094.482.5-0.0172.9

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-199000.0-617000.0144000.0-171000.0-238000.069000.068000.0-344000.053000.0-352000.0-181000.0-1301000.0-29000.0-157000.070000.0-24000.0328000.0-61000.0-153000.0-36000.0-1000.0-44000.0-351000.0-105000.03000.0-163000.0-29000.0-96000.0-38000.0-23000.0-78000.060000.0-171000.0-46000.0-311000.029000.0-40000.0727000.0142000.0278000.0251000.040000.0157000.0
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.8626.8947.9512.366113.714112.7853.741
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

che:RotoRooterBloomington


None
Period End2020-06-01
Value2.2
Percentage of PaymentsToAcquireBusinessesGross100.0

us-gaap:ProceedsAndExcessTaxBenefitFromSharebasedCompensation

us-gaap:ProceedsAndExcessTaxBenefitFromSharebasedCompensation


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value7.28.24.68.83.26.73.1113.81.82.63.7
Percentage of ProceedsAndExcessTaxBenefitFromSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLongTermLinesOfCredit

us-gaap:ProceedsFromLongTermLinesOfCredit


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.00.817482177971254169224134774719116741733590.00.066377763
Percentage of ProceedsFromLongTermLinesOfCredit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value199000.0530000.0-1116000.0183000.0-89000.0203000.0181000.0-619000.0344000.0-435000.0-228000.0-232000.0841000.0160000.0147000.0-344000.0-341000.0188000.0693000.0-514000.0-797000.0129000.0-783000.0-638000.0-128000.0249000.0-501000.0-315000.0-91000.037000.0-419000.0-84000.0405000.0-188000.0312000.0-274000.0-138000.082000.0282000.075000.0-1000.0-47000.0270000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromStockOptionsExercised

us-gaap:ProceedsFromStockOptionsExercised


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value12109.241106.8664.69119.3332.87118.923151.2274.7635.6353.7961.0920.6462.8874.2313.1493.1454.8991.7876.0312.899133.9970.567
Percentage of ProceedsFromStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


None
Period End2020-06-302020-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.2770.5944.3534.7034.0014.2494.1874.0083.8824.2423.1473.3663.933.8043.63.1243.1453.3042.6962.7792.4652.9671.8082.5732.4852.2451.9232.2752.2542.1111.832.3852.3912.472
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts dei:LegalEntity

che:RotoRooter


None
Period End2020-09-302020-06-302020-03-31
Value0.1810.3470.524
Percentage of ProvisionForDoubtfulAccounts0.0125.388.2

us-gaap:ProvisionForDoubtfulAccounts dei:LegalEntity, us-gaap:StatementScenario

che:RotoRooter, che:Covid19


None
Period End2020-09-302020-06-30
Value0.1850.265
Percentage of ProvisionForDoubtfulAccounts0.095.7

us-gaap:RepaymentsOfLongTermLinesOfCredit

us-gaap:RepaymentsOfLongTermLinesOfCredit


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.0160104122132112114824319090568739767452283.54520662210248
Percentage of RepaymentsOfLongTermLinesOfCredit0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability


None
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4.233271222123.213
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13117.933140.0327.0575.867112.4182.4358.211
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2025181824132919103117
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation156.9220.9239.2130.477062.5189.0496.9178.7441.61300.2212.0

us-gaap:CommonStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0970.1280.1010.0730.1470.070.210.10.070.2560.153
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.71.11.30.5459.41.03.60.92.910.51.9

us-gaap:TreasuryStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-7.581-13.995-11.14-4.423-24.775-6.35-23.495-8.775-8.331-29.481-9.352
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation-57.6-122.0-140.4-31.0-77421.9-90.0-400.5-79.6-344.5-1210.7-113.9

us-gaap:StockOptionPlanExpense

us-gaap:StockOptionPlanExpense


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.1835.0685.0454.1022.7113.9294.0893.2512.0553.6523.6532.7471.6833.0543.0012.0711.4192.2772.5631.8450.8131.3431.4441.3720.9771.1441.3091.311.6291.6121.4911.4212.3972.3741.9381.4732.4082.5621.9331.3971.9682.3462.051
Percentage of StockOptionPlanExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther

us-gaap:StockholdersEquityOther


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value214000.0543000.0-1466000.0195000.0-78000.0217000.0191000.0-455000.0601000.0-312000.0-944000.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value214000.0531000.0-1093000.0195000.0-78000.0217000.0191000.0-608000.0356000.0-423000.0-216000.0
Percentage of StockholdersEquityOther100.097.874.6100.0100.0100.0100.0133.659.2135.622.9

us-gaap:DeferredCompensationShareBasedPayments


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-46000.012000.064000.0-32000.0-69000.035000.036000.037000.036000.035000.034000.0
Percentage of StockholdersEquityOther-21.52.2-4.4-16.488.516.118.8-8.16.0-11.2-3.6

us-gaap:RetainedEarnings


None
Period End2020-09-302020-06-302020-03-312018-12-312018-09-302018-06-302018-03-31
Value00-362000.0152000.0245000.0111000.0-728000.0
Percentage of StockholdersEquityOther0.00.024.7-33.440.8-35.677.1

us-gaap:TreasuryStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value46000.0-1000.0-75000.032000.069000.0-35000.0-36000.0-36000.0-36000.0-35000.0-34000.0
Percentage of StockholdersEquityOther21.5-0.25.116.4-88.5-16.1-18.87.9-6.011.23.6

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


None
Period End2020-09-302020-06-302019-09-30
Value31000.07000.00
Percentage of SubleaseIncome100.0100.00.0

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302010-12-312010-09-302010-06-30
Value499.48438.27445.4915.930328.59328.33-0.12312.31317.86270.420191.52205.34180.8700131.15131.154.34134.28119.051.5101.5385.040.2768.9165.728.8462.7555.72-5.0255.399.82054.99
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockSharesAcquired


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-302014-06-302013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302010-12-312010-09-302010-06-30
Value0.050.050.2250.050.00.0690090.150.1305240.1206220.010.30.00.050.150.30.00.00.3801340.40.0750.1357650.250.10.40.30.0428891.0327540.280701-208.3012949.3341990.730971.530031.5017720.00.1149
Percentage of TreasuryStockSharesAcquired100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-312014-09-30
Value2421100200.0224936373.179810.09.57630540.00.049521118291040
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2421100200.0224936373.17981
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

che:CaresActReliefFund dei:LegalEntity, us-gaap:StatementScenario

che:CaresActReliefFund

che:Vitas, che:CaresAct2019MedicareFeeForService


None
Period End2020-04-10
Value80
Percentage of CaresActReliefFund100.0

che:CaresActReliefFund dei:LegalEntity, us-gaap:StatementScenario, us-gaap:SubsequentEventType

che:Vitas, che:CaresAct, us-gaap:SubsequentEvent


None
Period End2020-04-10
Value30000
Percentage of CaresActReliefFund37406.5

che:Vitas, che:CaresAct2019MedicareFeeForService, us-gaap:SubsequentEvent


None
Period End2020-04-10
Value80
Percentage of CaresActReliefFund100.0

che:CashOverdraftPayableIncludedInAccountsPayable

che:CashOverdraftPayableIncludedInAccountsPayable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.00.09.86.215473130.0148.6150.4687.58.6113.9169.38.83.79.0100.3271.20.8061.30.6139.1127.0111010133.311
Percentage of CashOverdraftPayableIncludedInAccountsPayable0.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

che:DeferredCompensationPayableInCompanyStock

che:DeferredCompensationPayableInCompanyStock


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2344000.02390000.02378000.02314000.02346000.02415000.02380000.02344000.02307000.02271000.02236000.02202000.02229000.02196000.02162000.02513000.02503000.02467000.02431000.02395000.02385000.02351000.02316000.02283000.02249000.02217000.02185000.02154000.02123000.02094000.02064000.02035000.02006000.02043000.01997000.01987000.01958000.01993000.01982000.01959000.01956000.0
Percentage of DeferredCompensationPayableInCompanyStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

che:LesseeOperatingLeaseFutureLeaseObligationsNotYetCommenced

che:LesseeOperatingLeaseFutureLeaseObligationsNotYetCommenced


None
Period End2020-09-30
Value4558000.0
Percentage of LesseeOperatingLeaseFutureLeaseObligationsNotYetCommenced100.0

che:UnutilizedCaresActGrant

che:UnutilizedCaresActGrant


None
Period End2020-09-30
Value48
Percentage of UnutilizedCaresActGrant100.0

us-gaap:AccruedInsuranceCurrent

us-gaap:AccruedInsuranceCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value5050565047464846434248464444544746444543
Percentage of AccruedInsuranceCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedCapitalizedInterestCosts

us-gaap:AccumulatedCapitalizedInterestCosts


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value979000.0668000.01700000.01800000.01100000.01100000.02100000.03200000.02500000.01300000.01100000.02700000.0
Percentage of AccumulatedCapitalizedInterestCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


None
Period End2020-03-312019-12-312011-12-312010-12-312009-12-31
Value1.4270.353101110
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable dei:LegalEntity

che:RotoRooter


None
Period End2020-09-302020-06-302019-12-31
Value1.2931.4250.353
Percentage of AllowanceForDoubtfulAccountsReceivable0.00.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.2931.4251.4270.35313151416151414141313161716141313131212120.011933100.0117821111111212121312
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedContractCostNet us-gaap:CapitalizedContractCost

us-gaap:CapitalizedContractCostNet

us-gaap:SoftwareAndSoftwareDevelopmentCosts


None
Period End2020-09-30
Value9200000.0
Percentage of CapitalizedContractCostNet100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

us-gaap:FairValueInputsLevel2


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1609013085100891301031421018212514610811014714491138160161147173160
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value1609013085100891301031421018212514610811014714491138160161147173160185183
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent

us-gaap:DeferredCompensationLiabilityClassifiedNoncurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8677707673707064686665615957565454524949495251484746454239393835343334303032312723
Percentage of DeferredCompensationLiabilityClassifiedNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationPlanAssets

us-gaap:DeferredCompensationPlanAssets


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8680727773707065706766626058565455534949495152494747454240403936353335313133312824
Percentage of DeferredCompensationPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value10180637075505263704949625348375348514352594843505042384846423845443935414043393934
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

che:PerformanceBasedEarningsPerShareTargets


None
Period End2020-02-212019-02-222018-02-162017-02-172016-02-192015-02-202014-03-312014-02-21
Value5000000.02200000.01900000.01300000.0730000.01200000.01200000.01200000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0100.0100.0100.0100.0100.0100.0

che:PerformanceBasedTotalShareholderReturnTargets


None
Period End2020-02-212019-02-222018-02-162017-02-172016-02-192015-02-202014-03-312014-02-21
Value3300000.03000000.02600000.01700000.01400000.01500000.01200000.01200000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions66.0136.4136.8130.8191.8125.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4542403734343333323232323232323333333232333332323232323231310.030791300.0300352929282828272725
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:InvestmentsFairValueDisclosure

us-gaap:FairValueInputsLevel1


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-06-302012-03-312011-12-312011-09-302011-06-30
Value86807277737070657067666260585654555349494951524947474542404039363335313133
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsFairValueDisclosure us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-31
Value86807277737070657067666260585654555349494951524947474542
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.5100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


None
Period End2020-09-30
Value148
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


None
Period End2020-09-30
Value27
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


None
Period End2020-09-30
Value39
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


None
Period End2020-09-30
Value16
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


None
Period End2020-09-30
Value22
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


None
Period End2020-09-30
Value29
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


None
Period End2020-09-30
Value11
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


None
Period End2020-09-30
Value10
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0

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

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

che:TwoThousandEighteenCreditAgreement, us-gaap:RevolvingCreditFacility


None
Period End2020-09-30
Value412
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value132140124125115101
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value2.980.0310.03240.0330.03380.03460.03470.0347
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherPrepaidExpenseCurrent

us-gaap:OtherPrepaidExpenseCurrent


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value25232123262119
Percentage of OtherPrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidTaxes

us-gaap:PrepaidTaxes


None
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value145.7945.9171010125.349106.0391916293.6214.5371.6633.7095.0698.9643.258103.2993.4741.2792.7873.4884.0013.4063.693.5384.9112.1592.6433.0444.1870.6372.1310.7641.30.770.749
Percentage of PrepaidTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:StockRepurchaseProgramAuthorizedAmount1


None
Period End2020-03-31
Value250
Percentage of StockRepurchaseProgramAuthorizedAmount1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


None
Period End2020-09-30
Value206
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2020191919191919191918181818181818171717161616161515141413131312121111119.6008349.5377739.1031857.27507
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
None
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
None
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementBusinessSegments
(None,)
None
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
(None, 'che:SegmentRotoRooter')
None
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
(None, 'che:SegmentVitas')
None
us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
None