CDAY


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

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization

us-gaap:CostOfRevenue

us-gaap:GrossProfit

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
us-gaap:IncomeTaxAuthority

us-gaap:InterestExpense
us-gaap:DebtInstrument
us-gaap:InterestExpenseDebt

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:BusinessAcquisition
us-gaap:ProductOrService

us-gaap:Revenues

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:BusinessAcquisition
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:IncomeTaxAuthority

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:LiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent
us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument
us-gaap:LongTermDebt

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:DebtInstrument
us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
us-gaap:IncomeTaxAuthority
us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:IncomeTaxAuthority
us-gaap:TypeOfArrangement
cday:AdjustmentsToAdditionalPaidInCapitalCappedCalls

cday:ContractWithCustomerLiabilityAcquiredBillings

cday:ContractWithCustomerLiabilityEffectOfExchangeRate

cday:ContractWithCustomerLiabilityNewBillings

cday:CostOfProfessionalServicesAndOther

cday:CostOfRecurringServices
us-gaap:DebtInstrument
cday:DebtInstrumentFairValueOfTradingPrice
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
cday:DefinedContributionPlanMinimumContributionAmount
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
cday:DefinedContributionPlanVoluntaryContributionAmount

cday:DepreciationOfLeaseAssets

cday:InvestmentIncomeFromInvestedCustomerFund

cday:InvestmentIncomeFromInvestedCustomerTrustFund
us-gaap:ProductOrService

cday:OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax

cday:OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerTrustFundsAdjustmentBeforeTax

cday:PaymentsToAcquireSoftwareAndTechnology

cday:ProceedsPaymentsFromCustomerFundsObligations

cday:ProceedsPaymentsFromCustomerTrustFundsObligations

cday:PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes
us-gaap:StatementEquityComponents

cday:RepaymentOfConvertibleDebt

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
us-gaap:AmortizationOfDebtDiscountPremium

us-gaap:AmortizationOfDeferredCharges

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedLoss
us-gaap:FinancialInstrument
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessDevelopment

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:CurrentIncomeTaxExpenseBenefit
us-gaap:DebtInstrument
us-gaap:DebtConversionConvertedInstrumentSharesIssued1
us-gaap:DebtInstrument
us-gaap:DebtConversionOriginalDebtAmount1

us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateDuringPeriod
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType
us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount

us-gaap:DepreciationAndAmortization
us-gaap:TypeOfArrangement
us-gaap:DerivativeCostOfHedge

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation
us-gaap:GainLossOnForeignCurrencyFairValueHedgeDerivatives

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
us-gaap:DebtInstrument
us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:LeaseCost
us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyReceivableProceeds

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherTaxExpenseBenefit
us-gaap:IncomeStatementLocation, us-gaap:SubsidiarySaleOfStock
us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireMarketableSecurities
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:PaymentsToSuppliers
us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:IncomeStatementLocation
us-gaap:PensionExpense

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:RepaymentsOfLinesOfCredit
us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:SubleaseIncome

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease
us-gaap:RetirementPlanType
cday:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue

cday:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmountNetOfTax
us-gaap:BusinessAcquisition
cday:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerFunds
us-gaap:BusinessAcquisition
cday:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesCustomerFundsObligations

cday:CurrentAssetsBeforeFundsHeldForClients

cday:CustomerFundsObligations

cday:CustomerTrustFundsObligations

cday:DebtInstrumentCarryingAmountAndFinanceLeaseLiability
us-gaap:LongtermDebtType
cday:DebtInstrumentUnamortizedFinancingCost

cday:DeferredTaxAssetsTaxCreditCarryForwardsDomestic
us-gaap:IncomeTaxAuthority
cday:DeferredTaxLiabilitiesUnremittedForeignEarnings
us-gaap:RetirementPlanType
cday:DefinedBenefitPlanExpectedFutureReceiptsFromFederalSubsidyAfterYearFive
us-gaap:RetirementPlanType
cday:DefinedBenefitPlanPensionPlanWithPlanAssetsInExcessOfProjectedBenefitObligation

cday:FundsHeldForClientsAmortizedCost
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
cday:IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
cday:IndefiniteLivedIntangibleAssetsExcludingGoodwillNet

cday:IntangibleAssetsAccumulatedAmortization

cday:InvestedCustomerFundsAmortizedCost

cday:InvestedCustomerFundsFairValue

cday:InvestedCustomerTrustFunds

cday:InvestedCustomerTrustFundsAmortizedCost

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueNextTwelveMonths

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo

cday:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount

cday:LiabilitiesBeforeClientFundObligationsCurrent

cday:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

cday:MinimumSubleaseRentalsUnderNoncancallableSubleases

cday:MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue

cday:OperatingAndFinanceLeaseLiabilities

cday:OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent

cday:OperatingAndFinanceLeaseRightOfUseAsset
us-gaap:BalanceSheetLocation
cday:OperatingLeaseRightOfUseAssetCurrent

cday:ReceivablesAmortizedCost

cday:ReserveForSalesAdjustments

cday:ReservesForAccountsReceivableAndSalesReturns

cday:RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations

cday:TrustReceivables

cday:TrustReceivablesAmortizedCost

cday:UnrecognizedTaxBenefitsResultingInNetOperatingLossesCarryforward
us-gaap:IncomeTaxAuthority
cday:UnremittedEarningsToBeIndefinitelyReinvested

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccruedProfessionalFeesCurrent
us-gaap:RetirementPlanType
us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:AvailableForSaleSecurities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesAmortizedCost
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
us-gaap:BusinessAcquisition
us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerLiability

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

us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument
us-gaap:DebtInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:BalanceSheetLocation
us-gaap:DeferredCosts

us-gaap:DeferredFinanceCostsGross
us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
us-gaap:TypeOfArrangement
us-gaap:DeferredTaxLiabilitiesFinancingArrangements

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesOther
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
us-gaap:TypeOfArrangement
us-gaap:DerivativeCapPrice
us-gaap:TypeOfArrangement
us-gaap:DerivativePriceRiskOptionStrikePrice

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType, us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseRightOfUseAsset
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

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

us-gaap:FundsHeldForClients

us-gaap:IntangibleAssetsGrossExcludingGoodwill
us-gaap:CreditFacility
us-gaap:InterestPayableCurrent

us-gaap:InterestReceivable
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility, us-gaap:ShortTermDebtType
us-gaap:StatementGeographical, us-gaap:CreditFacility

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:MoneyMarketFundsAtCarryingValue

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards
us-gaap:TaxPeriod

us-gaap:OtherReceivables
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:ReceivablesFairValueDisclosure

us-gaap:ReceivablesFromCustomers

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:DebtInstrument

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

Plots across concepts


IncomeStatement
Income Loss From Continuing Operations 
Before Income Taxes Extraordinary Items Noncontrolling Interest
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Liabilities Current
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue █████▇▇▇▇▇▇▇▇▁▁1.51.51.51.51.51.41.41.41.41.41.41.41.40.70.7NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁149.293833148.71605NA147.141403151.444901151.178498NA149.153227148.331846147.042228NA145.064698113.31110765.314462NA65.28169265.22510465.03461
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁149.293833148.71605NA147.141403145.593019144.645325NA142.780819141.149009140.149271NA137.768764113.31110765.314462NA65.28169265.22510465.03461
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities cday:PerformanceStockUnits█▁0.7291040.604193NA0.38524NANANANANANANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities cday:TermBasedStockOptionsNANANA7.4305431.433527NANA4.1855194.138578NANANANANANANANANA
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOption█▁5.5424245.448133NANA2.5119730.121381NA4.1855194.1385781.05923NA0.1483715000923.012055839.0NA11.77898111536649.010715493.0
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:RestrictedStockUnitsRSU▁█0.4580180.518939NA0.7676830.060460.021869NA0.011957NANANANA519691.0581440.0NA0.60599605990.0218741.0
us-gaap:EarningsPerShareBasic ▃▃▃▄▄▄▄▆▄▄▄▄▁▄█▂-0.17-0.13-0.12-0.010.040.06-0.0199999999999999070.440.040.080.070000000000000060.03-0.58-0.070.81-0.39NANA
us-gaap:EarningsPerShareDiluted ▃▃▃▄▄▄▄▆▄▄▄▄▁▄█▂-0.17-0.13-0.12-0.010.040.06-0.0100000000000000090.420.040.080.070000000000000060.03-0.58-0.070.81-0.39NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▄▄▆▆█▄▆█▇█▃▆▁▄▇▅▅▅-14.0-17.720.913.744.6-20.68.453.036.745.2-34.812.0-77.0-30.039.4-1.0-6.8-3.5
us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization █▅▄▄▃▃▃▃▃▂▂▂▂▂▂▁▁13.811.110.610.39.89.89.79.09.08.78.68.58.58.78.18.07.6NA
us-gaap:CostOfRevenue █▆▅▄▃▄▄▃▂▂▂▂▂▃▁▁▁▃158.3141.3137.3127.7114.0122.2124.0113.5108.3110.1108.8104.6106.5119.7103.9102.299.8113.2
us-gaap:GrossProfit ▇▇▆▄▄██▆▆▇▇▄▃▆▄▂▁▄92.193.285.576.778.6100.597.888.888.093.691.575.072.889.278.561.357.773.8
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▁▄▂▅▅█▇▅▇█-37.8-12.6-27.6-6.3-2.916.811.6-2.98.716.9NANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▆▇▆▆▆██▁▇▇▇▇▇▇▂▇▇▇-12.06.6-10.3-5.5-8.48.213.1-65.62.45.71.9-0.91.16.8-53.40.91.92.5
 us-gaap:IncomeTaxExpenseBenefit us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation cday:NonDeductibleStockBasedCompensation▁█-4.97.3NANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation us-gaap:DeferredCompensationShareBasedPaymentsNANANA-0.92.41.3NANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:IncomeTaxAuthority cday:BaseErosionAndAntiAbuseTax▁█1.53.8NANANANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:IncomeTaxAuthority cday:UnremittedForeignEarnings▁█0.01.9NA0.5NANANANANANANANANANANANANANA
 us-gaap:IncomeTaxExpenseBenefit us-gaap:IncomeTaxAuthority us-gaap:StateAndLocalJurisdiction▁█-6.12.6NA2.50.22.1NANANANANANANANANANANANA
us-gaap:InterestExpense ▂▁▁▁▁▁▁▁▂▂▂▂█▄▄▄9.95.65.75.96.66.97.27.88.58.98.88.843.422.221.821.9NANA
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument cday:ConvertibleSeniorNotes█▁5.30.9NANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▃▄▄▅▅▅▄█▅▅▅▅▁▄▇▃▃▄-25.8-19.2-17.3-0.85.58.6-1.562.76.311.2-0.24.4-65.5-2.145.0-20.1-22.9-11.2
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-25.8-19.2NANA5.58.6NANANANANANANANANANANANA
us-gaap:OperatingIncomeLoss ▁▄▁▄▅█▇▅▇█▇▆▃█▆▅▄▆-19.7-2.4-21.9-0.64.026.319.76.518.727.421.515.3-11.326.416.15.10.912.2
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax █▁13.011.0NA12.821.6-49.1NA-6.511.512.3NA10.2-10.2-16.6NANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▄█▆█▂▅▃▇█▁▅▃▂▄▆▆▅11.81.538.214.539.1-29.29.9-9.730.434.0-34.67.6-11.5-27.4-4.719.616.07.7
us-gaap:OtherNonoperatingIncomeExpense ▁▃▆▆▆▅▆▅▅▅▆▆▆█▆▄▅▆-8.2-4.60.00.2-0.3-2.6-0.9-1.6-1.5-1.60.4-0.3-0.62.8-0.4-3.8-2.0-0.9
us-gaap:ProfitLoss ▃▄▄▅▅▅▄█▅▅▅▅▁▄▇▃▃▄-25.8-19.2-17.3-0.85.58.6-1.562.76.311.2-0.24.4-65.5-2.644.1-20.6-22.8-11.2
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNANANA-0.85.58.6NA62.76.311.2NA4.2-63.30.6NANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▇▆▅▅▆▆▅▅▃▅▄▄▁▄▃▃▄250.4234.5222.8204.4192.6222.7221.8202.3196.3154.6194.8178.1179.0126.9187.8163.5157.5187.0
us-gaap:Revenues █▇▆▅▄▆▆▄▄▄▄▃▃▅▃▁▁▃250.4234.5222.8204.4192.6222.7221.8202.3196.3203.7200.3179.6179.3208.9182.4163.5157.5187.0
us-gaap:SellingGeneralAndAdministrativeExpense █▆▇▄▄▄▄▅▃▃▃▂▅▃▂▁▁▂111.895.6107.477.374.674.278.182.369.366.270.459.484.165.662.052.454.860.7
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▅█▅▃▃▄▃▂▅▇▁▃▄▆▅6807.07798.86701.35918.05853.96470.16085.75436.26729.37259.15154.45962.86225.46879.56729.9NANANA
us-gaap:Liabilities ▄█▄▂▂▄▃▁▅▇▁▄▅█▇4607.25639.54603.13881.73868.24584.54203.43583.14972.25572.33622.44424.34711.65776.05600.9NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▅█▅▃▃▄▃▂▅▇▁▃▄▆▅6807.07798.86701.35918.05853.96470.16085.75436.26729.37259.15154.45962.86225.46879.56729.9NANANA
us-gaap:StockholdersEquity ██▇▇▇▆▆▆▅▅▄▄▄▁▁2199.82159.32098.22036.31985.71885.61882.31853.11757.11686.81532.01538.51513.81066.41091.2NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AssetsCurrent ▄█▅▃▂▅▃▁▆█▁▄▅▇▆3755.74832.24122.63371.33350.04056.53623.73004.34351.84890.12933.53718.33984.34488.24322.4NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ██▁335.2339.6188.2NANANA281.3NANANA217.8188.0171.862.299.685.0144.577.7
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents NANA2228.5554.6526.9255.3281.3270.9237.9206.3217.8NANANA94.2NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ██▆▇▅▅▃▃▃▂▁84.984.173.978.770.468.957.959.959.455.348.9NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NoncurrentAssets NANA2391.1NANANA2311.7NANANA2219.3NANANA2269.5NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical cday:OtherCountryNANA105.6NANANA30.0NANANA2.5NANANA2.8NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:CANANA488.6NANANA481.2NANANA438.1NANANA480.6NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA1796.9NANANA1800.5NANANA1778.7NANANA1786.1NANANA
us-gaap:PropertyPlantAndEquipmentGross NANA482.9NANANA447.8NANANA390.5384.6375.1379.4373.4NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA48.9NANANA59.2NANANA40.539.8NANA36.3NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:MachineryAndEquipmentNANA120.2NANANA116.1NANANA117.5118.8NANA120.3NANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:SoftwareDevelopmentNANA306.3NANANA265.0NANANA225.0218.5NANA197.4NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA346.5NANANA319.5NANANA286.1284.0275.0276.0269.6NANANA
us-gaap:AmortizationOfIntangibleAssets █▂▂▁▁▁▂▄▄▄▄▄▄▅▄▄▄▅9.82.22.20.80.40.42.34.74.54.74.54.74.65.54.64.74.65.4
us-gaap:PropertyPlantAndEquipmentNet █▇▇▆▅▅▅▂▂▂▂▁▁▂▂146.2142.2136.4132.2129.6124.6128.3108.8106.3103.9104.4100.6100.1103.4103.8NANANA
us-gaap:Goodwill ██▃▂▂▁▂▂▁▁▁▁▁▄▄2329.52311.52031.82011.32004.51939.51973.51961.21952.81944.91927.41949.81942.62075.82087.3NANANA
 us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass us-gaap:TradeNames██▄▃▃▁▁▁▁▁▁▁184.5184.8177.7177.4177.2173.5174.0173.9173.8173.7173.5173.9NANA174.1NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill █▇▂▂▂▁▁▁▁▁▁341.2311.2195.0197.3195.5176.5177.9181.7179.9184.3187.5NANANA206.5NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelatedIntangibleAssets█▇▂▂▂▁▁▁▁▂▂▂▃▃▄89.582.616.918.416.73.54.38.16.911.115.219.824.033.639.1NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TechnologyBasedIntangibleAssets█▆▁▁▁▁▁▁▁▁▁▁▁▁▁70.146.52.93.53.61.41.71.71.21.40.70.60.81.11.4NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA10.2NANANA20.2NANANANANANANANANANANA
 us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:IncomeTaxAuthority us-gaap:DomesticCountryNANA22.0NANANA32.2NANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▅▆▁██▆▄33.635.427.937.537.634.832.0NANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent █▇█▇▆▆▆▆▄▄▁▁▁▁▁200.8166.3187.6168.4136.7138.2150.3143.499.096.01.61.81.85.54.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AccountsPayableCurrent ▅▆▅▁▄▄▆▃▂▃▆▄▅██39.042.538.926.636.534.943.234.129.231.841.534.839.247.648.8NANANA
us-gaap:LiabilitiesCurrent ▃▇▅▁▁▅▃▁▆█▁▄▅▇▇3374.04420.53863.92741.42744.53752.73371.72743.24093.34683.72763.63596.33863.64454.44272.5NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▃█▃▃▃▁▁10.014.910.510.310.28.48.8NANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent █▄▃▁▁▂▁▁▁▁▃▂▃▂▁42.526.620.513.714.118.413.914.014.215.323.619.220.116.715.5NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:LongTermDebt us-gaap:BalanceSheetLocation,us-gaap:DebtInstrument cday:LiabilityComponent,cday:ConvertibleSeniorNotesNA455.6NANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtAndCapitalLeaseObligations ██▁▆▆▁▁1118.51115.4660.6957.2958.6665.0666.3NANANA663.5NANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▁▁▁▆▆▆▆▇▇██▆▇██22.623.724.4108.2111.4113.9117.2129.1142.4151.1153.3124.6141.4147.3152.4NANANA
us-gaap:OtherLiabilitiesNoncurrent ▇▅▁▅▁▁▁▁▅▆▅▅▅██50.739.120.640.819.520.118.119.741.042.742.038.440.253.856.2NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ██▃▃▄▃▁41.440.833.634.134.232.830.1NANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ██▇▇▇▆▆▆▅▅▄▄▄▁▁2199.82159.32098.22036.31985.71885.61882.31853.11757.11686.81532.01538.51513.81066.41091.2NANANA
us-gaap:CommonStockValue █████▇▇▇▇▇▇▇▇▁▁1.51.51.51.51.51.41.41.41.41.41.41.41.40.70.7NANANA
us-gaap:AdditionalPaidInCapital ██▇▇▇▆▆▆▆▆▆▅▅▁▁2739.82685.32606.52565.52528.42473.02449.12428.32385.32351.72325.62297.32284.61568.31565.4NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▆▇▇█████▅▅▁▁▁▃▄-278.8-253.0-233.8-216.5-215.7-221.2-229.8-228.3-291.0-297.3-419.3-419.1-423.5-355.6-348.2NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax █▇▇▅▄▂▃▃▃▁▁▃▃▃▅-262.7-274.5-276.0-314.2-328.5-367.6-338.4-348.3-338.6-369.0-375.7-341.1-348.7-337.7-312.1NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁31.422.8NA18.515.312.5NA10.49.66.0NA4.910.52.9NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▆▁██▆█▇▇▆█▇▅▅█▄▇▃27.6-4.5-77.523.422.51.426.014.419.0-8.827.617.1-11.8-23.424.9-26.16.1-44.7
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▃▄▅▅▅▅▄▅▄█▆▇▄▂▆█▁-4.8-404.7-137.575.191.99.35.5-22.915.7-117.6784.7274.4560.8-240.7-654.8281.5885.8-919.9
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▆▆▄▂▅▅▁▃█▂▃▃▄▅▃▂▆-1057.61040.0809.4-13.8-719.8489.5592.6-1332.5-584.91934.5-774.3-276.5-435.2230.1634.9-320.3-818.0910.2
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▂▅▅▄▃▅▅▁▃█▅▃▄▄-1031.5634.2598.389.2-603.3485.7628.2-1341.2-546.71812.0642.9-255.8-110.7-153.3NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument cday:ConvertibleSeniorNotes█▁0.50.1NANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▁█-29.80.6NANA-3.84.16.5-71.1-2.9-1.9-7.0-3.1-6.6-0.1-57.9-2.8-1.3-0.3
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▂██▆▂█▄▂▃▃▃▁▄▃▂▃▂3.80.411.912.67.40.112.94.20.22.20.50.9-2.94.30.9-0.61.1-0.7
us-gaap:NetCashProvidedByUsedInOperatingActivities █▆▁██▆█▇▇▆█▇▅▅█▄▇▃27.6-4.5-77.523.422.51.426.014.419.0-8.827.617.1-11.8-23.424.9-26.16.1-44.7
us-gaap:NetIncomeLoss ▃▄▄▅▅▅▄█▅▅▅▅▁▄▇▃▃▄-25.8-19.2-17.3-0.85.58.6-1.562.76.311.2-0.24.4-65.5-2.145.0-20.1-22.9-11.2
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▁█-25.8-19.2NANA5.58.6NANANANANANANANANANANANA
us-gaap:ProfitLoss ▃▄▄▅▅▅▄█▅▅▅▅▁▄▇▃▃▄-25.8-19.2-17.3-0.85.58.6-1.562.76.311.2-0.24.4-65.5-2.644.1-20.6-22.8-11.2
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarningsNANANA-0.85.58.6NA62.76.311.2NA4.2-63.30.6NANANANA
us-gaap:ShareBasedCompensation █▆▅▅▄▃▃▃▃▂▂▁▃▁▁▁▁▁31.422.819.518.515.312.510.510.49.66.05.24.810.32.93.34.34.04.5
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▃▄▅▅▅▅▄▅▄█▆▇▄▂▆█▁-4.8-404.7-137.575.191.99.35.5-22.915.7-117.6784.7274.4560.8-240.7-654.8281.5885.8-919.9
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▆▆▄▂▅▅▁▃█▂▃▃▄▅▃▂▆-1057.61040.0809.4-13.8-719.8489.5592.6-1332.5-584.91934.5-774.3-276.5-435.2230.1634.9-320.3-818.0910.2
us-gaap:RepaymentsOfLongTermDebt ▁▁▁▁▁▁▁▁▁▁▁▁█▁▁1.41.32.12.52.72.72.11.71.71.71.70.01132.00.30.0NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument cday:ConvertibleSeniorNotesNA2.5e-07NANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1500000.01500000.01500000.01500000.01500000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.0700000.0700000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value14914814715115114914814714511365656565
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value14914814714514414214114013711365656565
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

cday:PerformanceStockUnits


Antidilutive
Period End2021-06-302021-03-312020-09-30
Value0.7291040.6041930.38524
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0

cday:TermBasedStockOptions


Antidilutive
Period End2020-09-302020-06-302019-09-302019-06-30
Value7.4305431.4335274.1855194.138578
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount1928.80.00.00.0

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302021-03-312020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value5.5424245.4481332.5119730.1213814.1855194.1385781.059230.148371500092312055839111153664910715493
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount760.2901.70.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value0.4580180.5189390.7676830.060460.0218690.0119575196915814400.60599605990218741
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount62.885.9199.30.00.00.00.00.00.00.00.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.17-0.13-0.12-0.010.040.06-0.020.440.040.080.070.03-0.58-0.070.81-0.39
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.17-0.13-0.12-0.010.040.06-0.010.420.040.080.070.03-0.58-0.070.81-0.39
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-14.0-17.7201344-20.68.4533645-34.812-77.0-30.039-1.0-6.8-3.5
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.6-7.50.06.723.2-9.30.026.218.729.20.06.7-43.0-23.60.0-0.6-4.3-1.9

Cost Of Goods And Services Sold Depreciation And Amortization

us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization

us-gaap:CostOfGoodsAndServicesSoldDepreciationAndAmortization


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value131110109.89.89.79.09.08.78.68.58.58.78.18.07.6
Percentage of CostOfGoodsAndServicesSoldDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.54.70.05.05.14.40.04.44.65.60.04.84.76.90.04.94.8

Cost Of Revenue

us-gaap:CostOfRevenue

us-gaap:CostOfRevenue


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value15814113712711412212411310811010810410611910310299113
Percentage of CostOfRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax63.260.30.062.559.254.90.056.155.271.20.058.759.594.30.062.563.460.5

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9293857678100978888939175728978615773
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax36.839.70.037.540.845.10.043.944.860.50.042.140.770.30.037.536.639.5

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-37.8-12.6-27.6-6.3-2.91611-2.98.716
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-15.1-5.40.0-3.1-1.57.50.0-1.44.410.9

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-12.06.6-10.3-5.5-8.48.213-65.62.45.71.9-0.91.16.8-53.40.91.92.5
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.82.80.0-2.7-4.43.70.0-32.41.23.70.0-0.50.65.40.00.61.21.3

us-gaap:IncomeTaxExpenseBenefit us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation

cday:NonDeductibleStockBasedCompensation


Income
Period End2021-06-302021-03-31
Value-4.97.3
Percentage of IncomeTaxExpenseBenefit40.8110.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.03.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:NonDeductibleStockBasedCompensation0.00.0

us-gaap:DeferredCompensationShareBasedPayments


Income
Period End2020-09-302020-06-302020-03-31
Value-0.92.41.3
Percentage of IncomeTaxExpenseBenefit16.4-28.615.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.41.20.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:DeferredCompensationShareBasedPayments0.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:IncomeTaxAuthority

cday:BaseErosionAndAntiAbuseTax


Income
Period End2021-06-302021-03-31
Value1.53.8
Percentage of IncomeTaxExpenseBenefit-12.557.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.61.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:BaseErosionAndAntiAbuseTax0.00.0

cday:UnremittedForeignEarnings


Income
Period End2021-06-302021-03-312020-09-30
Value0.01.90.5
Percentage of IncomeTaxExpenseBenefit-0.028.8-9.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.80.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:UnremittedForeignEarnings0.00.00.0

us-gaap:StateAndLocalJurisdiction


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-6.12.62.50.22.1
Percentage of IncomeTaxExpenseBenefit50.839.4-45.5-2.425.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.41.11.20.10.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:StateAndLocalJurisdiction0.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9.95.65.75.96.66.97.27.88.58.98.88.843222121
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.02.40.02.93.43.10.03.94.35.80.04.924.217.50.013.4

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument

us-gaap:InterestExpenseDebt

cday:ConvertibleSeniorNotes


Interest
Period End2021-06-302021-03-31
Value5300000.0900000.0
Percentage of InterestExpenseDebt100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.10.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:ConvertibleSeniorNotes0.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-25.8-19.2-17.3-0.85.58.6-1.5626.311-0.24.4-65.5-2.145-20.1-22.9-11.2
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.3-8.20.0-0.42.93.90.031.03.27.20.02.5-36.6-1.70.0-12.3-14.5-6.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-25.8-19.25.58.6
Percentage of NetIncomeLoss100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.3-8.22.93.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-19.7-2.4-21.9-0.64.026196.518272115-11.326165.10.912
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.9-1.00.0-0.32.111.80.03.29.517.70.08.6-6.320.80.03.10.66.5

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value13111221-49.1-6.5111210-10.2-16.6
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.24.76.311.2-22.0-3.25.98.05.7-5.7-13.1

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value13111221-49.1-6.5111210-10.4-16.4
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0102.098.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.24.76.311.2-22.0-3.25.98.05.7-5.8-12.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value111.5381439-29.29.9-9.73034-34.67.6-11.5-27.4-4.719167.7
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.70.60.07.120.3-13.10.0-4.815.522.00.04.3-6.4-21.60.012.010.24.1

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-8200000.0-4600000.00200000.0-300000.0-2600000.0-900000.0-1600000.0-1500000.0-1600000.0400000.0-300000.0-600000.02800000.0-400000.0-3800000.0-2000000.0-900000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-3.3-2.00.00.1-0.2-1.20.0-0.8-0.8-1.00.0-0.2-0.32.20.0-2.3-1.3-0.5

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-25.8-19.2-17.3-0.85.58.6-1.5626.311-0.24.4-65.5-2.644-20.6-22.8-11.2
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.3-8.20.0-0.42.93.90.031.03.27.20.02.5-36.6-2.00.0-12.6-14.5-6.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.85.58.6626.3114.2-63.30.6
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.095.596.6-23.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.42.93.931.03.27.22.4-35.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value250234222204192222221202196154194178179126187163157187
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:BusinessAcquisition

cday:AscenderHCMPrivateLimited


Revenue
Period End2021-06-302021-03-31
Value226.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.12.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax9.12.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:AscenderHCMPrivateLimited100.0100.0

cday:Ideal


Revenue
Period End2021-06-30
Value0.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:Ideal100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

cday:BureauProfessionalServicesAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.01.41.20.90.30.20.50.40.40.70.50.40.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.60.50.40.20.10.20.20.20.50.30.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.60.60.50.40.20.10.20.20.20.50.30.20.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:BureauProfessionalServicesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:BureauRecurringServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value37302726243137364048514650
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.813.012.413.112.714.216.718.020.531.326.425.828.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax14.813.012.413.112.714.216.718.020.531.326.425.828.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:BureauRecurringServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:BureauRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value41312827243137364049514651
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.413.613.013.612.814.317.018.220.731.826.626.128.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.413.613.013.612.814.317.018.220.731.826.626.128.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:BureauRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudAndBureauProfessionalServicesAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value42384136334145343230302828
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.916.418.517.817.418.520.517.316.720.015.616.116.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax16.916.418.517.817.418.520.517.316.720.015.616.116.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudAndBureauProfessionalServicesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudAndBureauRecurringServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value208196181168159181176167163172164149150
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.183.681.582.282.681.579.582.783.3111.884.483.983.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.183.681.582.282.681.579.582.783.3111.884.483.983.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudAndBureauRecurringServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudDayforceProfessionalServicesAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value38363935334044343229292727
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.215.717.917.217.118.320.017.016.419.315.115.715.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.215.717.917.217.118.320.017.016.419.315.115.715.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudDayforceProfessionalServicesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudDayforceRecurringServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value150145130122118128114109102102878278
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.162.058.860.061.557.551.554.152.266.645.146.343.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax60.162.058.860.061.557.551.554.152.266.645.146.343.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudDayforceRecurringServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudDayforceRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value188182170157151168158143134132117110105
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.377.776.677.278.775.871.671.068.585.960.262.059.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax75.377.776.677.278.775.871.671.068.585.960.262.059.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudDayforceRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudPowerpayProfessionalServicesAndOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.30.30.30.30.20.30.50.20.30.30.40.30.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.20.10.20.20.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.10.10.10.10.20.10.20.20.20.20.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudPowerpayProfessionalServicesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudPowerpayRecurringServices


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value20202218162125212021252121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.28.710.39.18.49.811.310.710.613.913.011.811.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.28.710.39.18.49.811.310.710.613.913.011.811.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudPowerpayRecurringServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudPowerpayRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value20202318162225212121252121
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.38.810.49.28.59.911.510.810.814.113.212.012.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.38.810.49.28.59.911.510.810.814.113.212.012.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudPowerpayRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CloudRevenue


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value209202193176167190184165155154142131127
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.686.487.086.487.285.783.081.879.3100.073.473.971.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax83.686.487.086.487.285.783.081.879.3100.073.473.971.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cday:CloudRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value250234222204192222221202196203200179179208182163157187
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0131.8102.8100.8100.2164.697.1100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value11195107777474788269667059846562525460
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax44.640.848.237.838.733.335.240.735.342.836.133.447.051.733.032.034.832.5

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value680777986701591858536470608554366729725951545962622568796729
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value460756394603388138684584420335834972557236224424471157765600
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets67.772.368.765.666.170.969.165.973.976.870.374.275.784.083.2

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value680777986701591858536470608554366729725951545962622568796729
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value219921592098203619851885188218531757168615321538151310661091
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.327.731.334.433.929.130.934.126.123.229.725.824.315.516.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-149.1-151.9-154.7-163.0-165.2-167.7-170.2-171.9-172.6-175.1-150.1-133.8-136.7-139.6-142.5-156.3
Percentage of StockholdersEquity-6.8-7.0-7.4-8.0-8.3-8.9-9.0-9.3-9.8-10.4-9.8-8.7-9.0-13.1-13.10.0
Percentage of Assets-2.2-1.9-2.3-2.8-2.8-2.6-2.8-3.2-2.6-2.4-2.9-2.2-2.2-2.0-2.10.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2226384142271013171.3-18.3-31.2-26.1-21.6-9.04.7
Percentage of StockholdersEquity1.01.21.82.12.11.50.50.71.00.1-1.2-2.0-1.7-2.0-0.80.0
Percentage of Assets0.30.30.60.70.70.40.20.30.30.0-0.4-0.5-0.4-0.3-0.10.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-262.7-274.5-276.0-314.2-328.5-367.6-338.4-348.3-338.6-369.0-375.7-341.1-348.7-337.7-312.1-351.5
Percentage of StockholdersEquity-11.9-12.7-13.2-15.4-16.5-19.5-18.0-18.8-19.3-21.9-24.5-22.2-23.0-31.7-28.60.0
Percentage of Assets-3.9-3.5-4.1-5.3-5.6-5.7-5.6-6.4-5.0-5.1-7.3-5.7-5.6-4.9-4.60.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-135.7-148.7-159.7-193.1-205.9-227.5-178.4-190.2-183.7-195.2-207.3-176.1-185.9-176.5-160.6-199.9
Percentage of StockholdersEquity-6.2-6.9-7.6-9.5-10.4-12.1-9.5-10.3-10.5-11.6-13.5-11.4-12.3-16.6-14.70.0
Percentage of Assets-2.0-1.9-2.4-3.3-3.5-3.5-2.9-3.5-2.7-2.7-4.0-3.0-3.0-2.6-2.40.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2739268526062565252824732449242823852351232522972284
Percentage of StockholdersEquity124.5124.4124.2126.0127.3131.2130.1131.0135.8139.4151.8149.3150.9
Percentage of Assets40.234.438.943.443.238.240.244.735.432.445.138.536.7
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.51.51.51.51.51.41.41.41.41.41.41.41.4
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-30
Value209818821686161516241599
Percentage of StockholdersEquity100.0100.0100.0105.5105.6105.7
Percentage of Assets31.330.923.231.327.225.7
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-278.8-253.0-233.8-216.5-215.7-221.2-229.8-228.3-291.0-297.3-335.6-333.5-337.7
Percentage of StockholdersEquity-12.7-11.7-11.1-10.6-10.9-11.7-12.2-12.3-16.6-17.6-21.9-21.7-22.3
Percentage of Assets-4.1-3.2-3.5-3.7-3.7-3.4-3.8-4.2-4.3-4.1-6.5-5.6-5.4
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value375548324122337133504056362330044351489029333718398444884322
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.262.061.557.057.262.759.555.364.767.456.962.464.065.264.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value33533918828121718817162998514477131
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.94.42.84.64.23.22.80.91.50.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value222855452625528127023720621794
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.39.49.03.94.65.03.52.84.21.4

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value8484737870685759595548
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.31.21.11.01.10.90.80.9

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value2391231122192269
Percentage of NoncurrentAssets100.0100.0100.0100.0
Percentage of Assets35.738.043.133.7

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

cday:OtherCountry


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value105302.52.8
Percentage of NoncurrentAssets4.41.30.10.1
Percentage of Assets1.60.50.00.0
Percentage of Assets cday:OtherCountry0.00.00.00.0

country:CA


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value488481438480
Percentage of NoncurrentAssets20.420.819.721.2
Percentage of Assets7.37.98.57.1
Percentage of Assets country:CA0.00.00.00.0

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-312017-12-31
Value1796180017781786
Percentage of NoncurrentAssets75.177.980.178.7
Percentage of Assets26.829.634.526.5
Percentage of Assets country:US0.00.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value482447390384375379373
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.27.47.66.46.05.55.5

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312018-09-302017-12-31
Value4859403936
Percentage of PropertyPlantAndEquipmentGross10.113.210.410.39.7
Percentage of Assets0.71.00.80.70.5
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.0

us-gaap:MachineryAndEquipment


Property
Period End2020-12-312019-12-312018-12-312018-09-302017-12-31
Value120116117118120
Percentage of PropertyPlantAndEquipmentGross24.925.930.130.932.2
Percentage of Assets1.81.92.32.01.8
Percentage of Assets us-gaap:MachineryAndEquipment0.00.00.00.00.0

us-gaap:SoftwareDevelopment


Property
Period End2020-12-312019-12-312018-12-312018-09-302017-12-31
Value306265225218197
Percentage of PropertyPlantAndEquipmentGross63.459.257.656.852.9
Percentage of Assets4.64.44.43.72.9
Percentage of Assets us-gaap:SoftwareDevelopment0.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value346319286284275276269
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.25.35.64.84.44.04.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.82.22.20.80.40.42.34.74.54.74.54.74.65.54.64.74.65.4
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value146142136132129124128108106103104100100103103
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.82.02.22.21.92.12.01.61.42.01.71.61.51.5

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2329231120312011200419391973196119521944192719491942207520872058
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.229.630.334.034.230.032.436.129.026.837.432.731.230.231.00.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

cday:AscenderHCMPrivateLimited


Goodwillus-gaap:
Period End2021-06-302021-03-31
Value262275
Percentage of Goodwill11.311.9
Percentage of Assets3.93.5
Percentage of Assets cday:AscenderHCMPrivateLimited0.00.0

cday:ExcelityGlobalSolutionsPrivateLimited


Goodwillus-gaap:
Period End2020-12-312020-09-302020-06-30
Value424749
Percentage of Goodwill2.12.42.5
Percentage of Assets0.60.80.8
Percentage of Assets cday:ExcelityGlobalSolutionsPrivateLimited0.00.00.0

cday:Ideal


Goodwillus-gaap:
Period End2021-04-30
Value26
Percentage of Goodwill0.0
Percentage of Assets0.0
Percentage of Assets cday:Ideal0.0

Indefinite Lived Intangible Assets Excluding Goodwill

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:IndefiniteLivedIntangibleAssetsExcludingGoodwill

us-gaap:TradeNames


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value184184177177177173174173173173173173174
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.42.73.03.02.72.93.22.62.43.42.92.6
Percentage of Assets us-gaap:TradeNames0.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value341311195197195176177181179184187206
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.04.02.93.33.32.72.93.32.72.53.63.1

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:CustomerRelatedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value89821618163.54.38.16.9111519243339
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.10.30.30.30.10.10.10.10.20.30.30.40.50.6
Percentage of Assets us-gaap:CustomerRelatedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value70462.93.53.61.41.71.71.21.40.70.60.81.11.4
Percentage of FiniteLivedIntangibleAssetsNet78.356.317.219.021.640.039.521.017.412.64.63.03.33.33.6
Percentage of Assets1.00.60.00.10.10.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-31
Value1020
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0
Percentage of Assets0.20.3

us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:IncomeTaxAuthority

us-gaap:DomesticCountry


Deferred
Period End2020-12-312019-12-31
Value2232
Percentage of DeferredTaxAssetsLiabilitiesNet215.7159.4
Percentage of Assets0.30.5
Percentage of Assets us-gaap:DomesticCountry0.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value33352737373432
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.40.60.60.50.5

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value20016618716813613815014399961.61.81.85.54.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.92.12.82.82.32.12.52.61.51.30.00.00.00.10.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value394238263634433429314134394748
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.60.40.60.50.70.60.40.40.80.60.60.70.7

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value337444203863274127443752337127434093468327633596386344544272
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.656.757.746.346.958.055.450.560.864.553.660.362.164.763.5

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10.0141010108.48.8
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.10.1

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value422620131418131414152319201615
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.30.30.20.20.30.20.30.20.20.50.30.30.20.2

Long Term Debt

us-gaap:LongTermDebt us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument

us-gaap:LongTermDebt

cday:LiabilityComponent, cday:ConvertibleSeniorNotes


Long
Period End2021-03-31
Value455
Percentage of LongTermDebt100.0
Percentage of Assets5.8
Percentage of Assets cday:LiabilityComponent cday:ConvertibleSeniorNotes0.0

Long Term Debt And Capital Lease Obligations

us-gaap:LongTermDebtAndCapitalLeaseObligations

us-gaap:LongTermDebtAndCapitalLeaseObligations


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value11181115660957958665666663
Percentage of LongTermDebtAndCapitalLeaseObligations100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.414.39.916.216.410.310.912.9

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value222324108111113117129142151153124141147152
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.41.81.91.81.92.42.12.13.02.12.32.12.3

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value12131417
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent50.011.39.511.3
Percentage of Assets0.20.20.30.3
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value10102137134
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent44.387.889.888.0
Percentage of Assets0.21.72.72.0
Percentage of Assets us-gaap:PensionPlansDefinedBenefit0.00.00.00.0

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value503920401920181941424238405356
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.50.30.70.30.30.30.40.60.60.80.60.60.80.8

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value41403334343230
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.50.50.60.60.50.5

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value219921592098203619851885188218531757168615321538151310661091
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets32.327.731.334.433.929.130.934.126.123.229.725.824.315.516.2

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-149.1-151.9-154.7-163.0-165.2-167.7-170.2-171.9-172.6-175.1-150.1-133.8-136.7-139.6-142.5-156.3
Percentage of StockholdersEquity-6.8-7.0-7.4-8.0-8.3-8.9-9.0-9.3-9.8-10.4-9.8-8.7-9.0-13.1-13.10.0
Percentage of Assets-2.2-1.9-2.3-2.8-2.8-2.6-2.8-3.2-2.6-2.4-2.9-2.2-2.2-2.0-2.10.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value2226384142271013171.3-18.3-31.2-26.1-21.6-9.04.7
Percentage of StockholdersEquity1.01.21.82.12.11.50.50.71.00.1-1.2-2.0-1.7-2.0-0.80.0
Percentage of Assets0.30.30.60.70.70.40.20.30.30.0-0.4-0.5-0.4-0.3-0.10.0
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-262.7-274.5-276.0-314.2-328.5-367.6-338.4-348.3-338.6-369.0-375.7-341.1-348.7-337.7-312.1-351.5
Percentage of StockholdersEquity-11.9-12.7-13.2-15.4-16.5-19.5-18.0-18.8-19.3-21.9-24.5-22.2-23.0-31.7-28.60.0
Percentage of Assets-3.9-3.5-4.1-5.3-5.6-5.7-5.6-6.4-5.0-5.1-7.3-5.7-5.6-4.9-4.60.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value-135.7-148.7-159.7-193.1-205.9-227.5-178.4-190.2-183.7-195.2-207.3-176.1-185.9-176.5-160.6-199.9
Percentage of StockholdersEquity-6.2-6.9-7.6-9.5-10.4-12.1-9.5-10.3-10.5-11.6-13.5-11.4-12.3-16.6-14.70.0
Percentage of Assets-2.0-1.9-2.4-3.3-3.5-3.5-2.9-3.5-2.7-2.7-4.0-3.0-3.0-2.6-2.40.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2739268526062565252824732449242823852351232522972284
Percentage of StockholdersEquity124.5124.4124.2126.0127.3131.2130.1131.0135.8139.4151.8149.3150.9
Percentage of Assets40.234.438.943.443.238.240.244.735.432.445.138.536.7
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.51.51.51.51.51.41.41.41.41.41.41.41.4
Percentage of StockholdersEquity0.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-30
Value209818821686161516241599
Percentage of StockholdersEquity100.0100.0100.0105.5105.6105.7
Percentage of Assets31.330.923.231.327.225.7
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-278.8-253.0-233.8-216.5-215.7-221.2-229.8-228.3-291.0-297.3-335.6-333.5-337.7
Percentage of StockholdersEquity-12.7-11.7-11.1-10.6-10.9-11.7-12.2-12.3-16.6-17.6-21.9-21.7-22.3
Percentage of Assets-4.1-3.2-3.5-3.7-3.7-3.4-3.8-4.2-4.3-4.1-6.5-5.6-5.4
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1500000.01500000.01500000.01500000.01500000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.01400000.0700000.0700000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value273926852606256525282473244924282385235123252297228415681565
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.234.438.943.443.238.240.244.735.432.445.138.536.722.823.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-278800000.0-253000000.0-233800000.0-216500000.0-215700000.0-221200000.0-229800000.0-228300000.0-291000000.0-297300000.0-419300000.0-419100000.0-423500000.0-355600000.0-348200000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-4.1-3.2-3.5-3.7-3.7-3.4-3.8-4.2-4.3-4.1-8.1-7.0-6.8-5.2-5.2

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-262700000.0-274500000.0-276000000.0-314200000.0-328500000.0-367600000.0-338400000.0-348300000.0-338600000.0-369000000.0-375700000.0-341100000.0-348700000.0-337700000.0-312100000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-3.9-3.5-4.1-5.3-5.6-5.7-5.6-6.4-5.0-5.1-7.3-5.7-5.6-4.9-4.6

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3122181512109.66.04.9102.9
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value3122181512109.66.04.9102.9
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value27-4.5-77.523221.4261419-8.82717-11.8-23.424-26.16.1-44.7
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.0-1.9-34.811.411.70.611.77.19.7-5.714.29.6-6.6-18.413.3-16.03.9-23.9

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.8-404.7-137.575919.35.5-22.915-117.6784274560-240.7-654.8281885-919.9
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-172.6-61.736.747.74.22.5-11.38.0-76.1402.8154.1313.3-189.7-348.7172.2562.4-491.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1057.61040809-13.8-719.8489592-1332.5-584.91934-774.3-276.5-435.2230634-320.3-818.0910
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-422.4443.5363.3-6.8-373.7219.8267.2-658.7-298.01251.3-397.5-155.2-243.1181.3338.1-195.9-519.4486.7

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1031.563459889-603.3485628-1341.2-546.71812642-255.8-110.7-153.3
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-411.9270.4268.543.6-313.2218.1283.2-663.0-278.51172.1330.0-143.6-61.8-120.8

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument

us-gaap:AmortizationOfFinancingCosts

cday:ConvertibleSeniorNotes


Amortization
Period End2021-06-302021-03-31
Value500000.0100000.0
Percentage of AmortizationOfFinancingCosts100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-29800000.0600000.0-3800000.04100000.06500000.0-71100000.0-2900000.0-1900000.0-7000000.0-3100000.0-6600000.0-100000.0-57900000.0-2800000.0-1300000.0-300000.0
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.80.411127.40.1124.20.22.20.50.9-2.94.30.9-0.61.1-0.7
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value27-4.5-77.523221.4261419-8.82717-11.8-23.424-26.16.1-44.7
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax11.0-1.9-34.811.411.70.611.77.19.7-5.714.29.6-6.6-18.413.3-16.03.9-23.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-25.8-19.2-17.3-0.85.58.6-1.5626.311-0.24.4-65.5-2.145-20.1-22.9-11.2
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.3-8.2-7.8-0.42.93.9-0.731.03.27.2-0.12.5-36.6-1.724.0-12.3-14.5-6.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-25.8-19.25.58.6
Percentage of NetIncomeLoss100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.3-8.22.93.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-25.8-19.2-17.3-0.85.58.6-1.5626.311-0.24.4-65.5-2.644-20.6-22.8-11.2
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.3-8.2-7.8-0.42.93.9-0.731.03.27.2-0.12.5-36.6-2.023.5-12.6-14.5-6.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-0.85.58.6626.3114.2-63.30.6
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.095.596.6-23.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.42.93.931.03.27.22.4-35.40.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value31221918151210109.66.05.24.8102.93.34.34.04.5
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.8-404.7-137.575919.35.5-22.915-117.6784274560-240.7-654.8281885-919.9
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-172.6-61.736.747.74.22.5-11.38.0-76.1402.8154.1313.3-189.7-348.7172.2562.4-491.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1057.61040809-13.8-719.8489592-1332.5-584.91934-774.3-276.5-435.2230634-320.3-818.0910
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-422.4443.5363.3-6.8-373.7219.8267.2-658.7-298.01251.3-397.5-155.2-243.1181.3338.1-195.9-519.4486.7

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.41.32.12.52.72.72.11.71.71.71.70.011320.30.0
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

cday:ConvertibleSeniorNotes


Debt
Period End2021-03-31
Value0.25
Percentage of DebtInstrumentInterestRateStatedPercentage100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations cday:ConvertibleSeniorNotes0.0

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

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-31
Value44.2642.1940.4739.0937.7230.629.7429.1927.8126.8319.2818.6616.5216.216.02
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-31
Value64.6564.6264.5564.2564.1713.6113.5813.5613.513.4813.513.513.4613.4613.46
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice146.1153.2159.5164.4170.144.545.746.548.550.270.072.381.583.184.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities us-gaap:IncomeTaxAuthority

us-gaap:DeferredTaxLiabilities

us-gaap:ForeignCountry


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value11121113
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1271093660
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1.81.81.71.61.51.41.61.51.31.31.410101.4
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312019-09-302018-12-312017-12-31
Value1615659390
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:IncomeTaxAuthority

us-gaap:StateAndLocalJurisdiction


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-30
Value161616121517
Percentage of DeferredTaxAssetsValuationAllowance0.00.0100.00.0100.026.4

cday:AdjustmentsToAdditionalPaidInCapitalCappedCalls us-gaap:TypeOfArrangement

cday:AdjustmentsToAdditionalPaidInCapitalCappedCalls

cday:CappedCallTransactions


Adjustments
Period End2021-03-31
Value-33000000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalCappedCalls100.0

cday:ContractWithCustomerLiabilityAcquiredBillings

cday:ContractWithCustomerLiabilityAcquiredBillings


Contract
Period End2021-06-302021-03-31
Value2.714
Percentage of ContractWithCustomerLiabilityAcquiredBillings100.0100.0

cday:ContractWithCustomerLiabilityEffectOfExchangeRate

cday:ContractWithCustomerLiabilityEffectOfExchangeRate


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value300000.0200000.0-400000.0-200000.0-400000.0800000.0
Percentage of ContractWithCustomerLiabilityEffectOfExchangeRate100.0100.0100.0100.0100.0100.0

cday:ContractWithCustomerLiabilityNewBillings

cday:ContractWithCustomerLiabilityNewBillings


Contract
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value143100117110851069263807844
Percentage of ContractWithCustomerLiabilityNewBillings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CostOfProfessionalServicesAndOther

cday:CostOfProfessionalServicesAndOther


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value474443403742423734353332333233343433
Percentage of CostOfProfessionalServicesAndOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CostOfRecurringServices

cday:CostOfRecurringServices


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value655957544952524948505149496251484858
Percentage of CostOfRecurringServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:DebtInstrumentFairValueOfTradingPrice us-gaap:DebtInstrument

cday:DebtInstrumentFairValueOfTradingPrice

cday:ConvertibleSeniorNotes


Debt
Period End2021-06-302021-03-31
Value01000.0
Percentage of DebtInstrumentFairValueOfTradingPrice0.0100.0

cday:DebtInstrumentFairValueOfTradingPrice us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-31
Value01000.0
Percentage of DebtInstrumentFairValueOfTradingPrice0.0100.0

cday:DefinedContributionPlanMinimumContributionAmount us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType

cday:DefinedContributionPlanMinimumContributionAmount

country:US, us-gaap:PensionPlansDefinedBenefit, us-gaap:SubsequentEvent


Defined
Period End2020-10-31
Value17
Percentage of DefinedContributionPlanMinimumContributionAmount100.0

cday:DefinedContributionPlanVoluntaryContributionAmount us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType

cday:DefinedContributionPlanVoluntaryContributionAmount

country:US, us-gaap:PensionPlansDefinedBenefit, us-gaap:SubsequentEvent


Defined
Period End2020-10-31
Value88
Percentage of DefinedContributionPlanVoluntaryContributionAmount100.0

cday:DepreciationOfLeaseAssets

cday:DepreciationOfLeaseAssets


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value300000.0300000.0200000.0200000.0200000.0200000.0
Percentage of DepreciationOfLeaseAssets100.0100.0100.0100.0100.0100.0

cday:InvestmentIncomeFromInvestedCustomerFund

cday:InvestmentIncomeFromInvestedCustomerFund


Investment
Period End2021-06-302021-03-312020-06-302020-03-31
Value10101119
Percentage of InvestmentIncomeFromInvestedCustomerFund100.0100.0100.0100.0

cday:InvestmentIncomeFromInvestedCustomerTrustFund

cday:InvestmentIncomeFromInvestedCustomerTrustFund


Investment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10101119171820241715161712111111
Percentage of InvestmentIncomeFromInvestedCustomerTrustFund100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:InvestmentIncomeFromInvestedCustomerTrustFund us-gaap:ProductOrService

cday:RecurringServices


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value10101010111917182024
Percentage of InvestmentIncomeFromInvestedCustomerTrustFund0.00.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax

cday:OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value-5.4-16.72023
Percentage of OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerFundsAdjustmentBeforeTax100.0100.0100.0100.0

cday:OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerTrustFundsAdjustmentBeforeTax

cday:OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerTrustFundsAdjustmentBeforeTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.9-0.22023-4.63.1172114-6.0-5.1-13.4-7.3-7.8-4.01.8
Percentage of OtherComprehensiveIncomeLossUnrealizedGainLossFromInvestedCustomerTrustFundsAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:PaymentsToAcquireSoftwareAndTechnology

cday:PaymentsToAcquireSoftwareAndTechnology


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value131111109.110118.98.89.9108.06.57.4107.98.46.2
Percentage of PaymentsToAcquireSoftwareAndTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:ProceedsPaymentsFromCustomerFundsObligations

cday:ProceedsPaymentsFromCustomerFundsObligations


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1079.3513-1052.2480
Percentage of ProceedsPaymentsFromCustomerFundsObligations100.0100.0100.0100.0

cday:ProceedsPaymentsFromCustomerTrustFundsObligations

cday:ProceedsPaymentsFromCustomerTrustFundsObligations


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1085-30.0-1052.2480584-1363.4-607.21916-796.2-284.3-569.3230634-294.4-896.4912
Percentage of ProceedsPaymentsFromCustomerTrustFundsObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes

cday:PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes


Purchase
Period End2021-03-31
Value-33000000.0
Percentage of PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes100.0

cday:PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Purchase
Period End2021-03-31
Value-33000000.0
Percentage of PurchaseOfCappedCallsRelatedToConvertibleSeniorNotes100.0

cday:RepaymentOfConvertibleDebt

cday:RepaymentOfConvertibleDebt


Repayment
Period End2021-06-302021-03-31
Value0.045
Percentage of RepaymentOfConvertibleDebt0.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt


Adjustments
Period End2021-03-31
Value77
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-31
Value77
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument

us-gaap:AmortizationOfDebtDiscountPremium

cday:ConvertibleSeniorNotes


Amortization
Period End2021-06-302021-03-31
Value4400000.0700000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0

us-gaap:AmortizationOfDeferredCharges

us-gaap:AmortizationOfDeferredCharges


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1111109.89.19.08.78.17.77.76.16.76.4
Percentage of AmortizationOfDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5100000.01100000.0300000.0300000.0300000.0300000.0400000.0200000.0300000.0300000.0200000.0300000.0600000.01000000.01000000.0900000.01000000.0800000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-6.849-3.39999999999999240.099999999999992551945-4.22.311132.0-1.7-1.45.4
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-2.012-0.6000000000000019-0.299999999999998165.111-1.4-1.11.16.81.3-1.5
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains29.425.017.6-300.026.324.833.3-47.89.350.465.088.2

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.83.9-0.50.53.11.8-0.30.21.10.7
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains11.87.914.7500.016.03.97.18.79.35.2

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1.915-0.41.09.59.3-0.40.24.44.80.3-0.2
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains27.931.211.81000.049.020.49.58.737.335.615.011.8

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.10.0-0.10.00.30.00.00.10.1
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains-0.00.2-0.0-100.00.00.7-0.00.00.80.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.217-2.0-0.91.622-2.03.05.01.1
Percentage of AvailableForSaleSecuritiesGrossUnrealizedGains32.435.758.8-900.08.250.247.6130.442.48.1

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedLoss

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.22.90.00.0-1.21.30.3-0.7-5.77.8-12.24.33.724
Percentage of AvailableForSaleSecuritiesGrossUnrealizedLoss100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossUnrealizedLoss us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Available
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.00.10.50.1-0.20.3-1.30.8
Percentage of AvailableForSaleSecuritiesGrossUnrealizedLoss-0.03.4166.7-14.33.53.810.718.6

cday:OtherSecurities


Available
Period End2021-06-302021-03-312019-03-312018-12-312018-09-30
Value0.10.20.1-0.10.1
Percentage of AvailableForSaleSecuritiesGrossUnrealizedLoss-50.06.91.30.82.3

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.20.30.0-0.40.5-0.10.0-0.71.1-2.10.7
Percentage of AvailableForSaleSecuritiesGrossUnrealizedLoss-100.010.30.033.338.5-33.3-0.012.314.117.216.3

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.52.3-0.1-0.7-4.05.1-7.72.6
Percentage of AvailableForSaleSecuritiesGrossUnrealizedLoss250.079.3-33.3100.070.265.463.160.5

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

cday:AscenderHCMPrivateLimited


Business
Period End2021-03-01
Value359
Percentage of BusinessCombinationConsiderationTransferred1100.0

cday:Ideal


Business
Period End2021-04-30
Value41
Percentage of BusinessCombinationConsiderationTransferred10.0

us-gaap:BusinessDevelopment

us-gaap:BusinessDevelopment


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3125262217171817161515141515111110.012
Percentage of BusinessDevelopment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-146.3-95.4-746.311511383105100936353787841
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CurrentIncomeTaxExpenseBenefit

us-gaap:CurrentIncomeTaxExpenseBenefit


Current
Period End2021-06-302021-03-31
Value-8.0-2.6
Percentage of CurrentIncomeTaxExpenseBenefit100.0100.0

us-gaap:DebtConversionConvertedInstrumentSharesIssued1 us-gaap:DebtInstrument

us-gaap:DebtConversionConvertedInstrumentSharesIssued1

cday:ConvertibleSeniorNotes


Debt
Period End2021-06-302021-03-31
Value07.5641
Percentage of DebtConversionConvertedInstrumentSharesIssued10.0100.0

us-gaap:DebtConversionOriginalDebtAmount1 us-gaap:DebtInstrument

us-gaap:DebtConversionOriginalDebtAmount1

cday:ConvertibleSeniorNotes


Debt
Period End2021-06-302021-03-31
Value01000.0
Percentage of DebtConversionOriginalDebtAmount10.0100.0

us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments

us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments


Debt
Period End2021-06-302021-03-31
Value04300000.0
Percentage of DebtInstrumentConvertibleNumberOfEquityInstruments0.0100.0

us-gaap:DebtInstrumentInterestRateDuringPeriod us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateDuringPeriod

cday:ConvertibleSeniorNotes


Debt
Period End2021-06-302021-03-31
Value04.5
Percentage of DebtInstrumentInterestRateDuringPeriod0.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value500000.0500000.0400000.0600000.0600000.0600000.0500000.0600000.0600000.0600000.0400000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4300000.0-4300000.0-4000000.0-3900000.0-3900000.0-3900000.0-3100000.0-3200000.0-3200000.0-3200000.0-3400000.0-3600000.0-3600000.0-3600000.0-3200000.0-3200000.0-3200000.0-3200000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses-860.0-860.0-1000.0-650.0-650.0-650.0-620.0-533.3-533.3-533.3-850.0-600.0-600.0-600.0-533.3-533.3-533.3-533.3

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value-100000.00-100000.0-100000.0-100000.0-100000.0-100000.0-100000.0600000.0-100000.0-100000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.33.35.85.75.75.75.95.95.95.96.36.56.56.56.56.66.66.6
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.1-0.10.10.20.10.10.20.10.10.20.10.10.10.20.10.10.1
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1.71.73.13.23.23.24.64.54.64.54.04.14.14.14.34.34.34.3
Percentage of DefinedBenefitPlanInterestCost1700.00.0-3100.03200.01600.03200.04600.02250.04600.04500.02000.04100.04100.04100.02150.04300.04300.04300.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2200000.02200000.0800000.0800000.0900000.0800000.01300000.01300000.01300000.01300000.0900000.0600000.0600000.0600000.0600000.0300000.0300000.0300000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-500000.0-500000.0-500000.0-600000.0-500000.0-600000.0-500000.0-500000.0-600000.0-500000.0-200000.0-600000.0-600000.0-600000.0-400000.0-600000.0-600000.0-600000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost-22.7-22.7-62.5-75.0-55.6-75.0-38.5-38.5-46.2-38.5-22.2-100.0-100.0-100.0-66.7-200.0-200.0-200.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2700000.02700000.01300000.01400000.01400000.01400000.01800000.01800000.01900000.01800000.01100000.01200000.01200000.01200000.01000000.0900000.0900000.0900000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost122.7122.7162.5175.0155.6175.0138.5138.5146.2138.5122.2200.0200.0200.0166.7300.0300.0300.0

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount us-gaap:RetirementPlanSponsorLocation, us-gaap:RetirementPlanType, us-gaap:SubsequentEventType

us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount

country:US, us-gaap:PensionPlansDefinedBenefit, us-gaap:SubsequentEvent


Defined
Period End2020-10-31
Value105
Percentage of DefinedContributionPlanEmployerDiscretionaryContributionAmount100.0

us-gaap:DepreciationAndAmortization

us-gaap:DepreciationAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value231514131211131414141414131414131214
Percentage of DepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeCostOfHedge us-gaap:TypeOfArrangement

us-gaap:DerivativeCostOfHedge

cday:CappedCallTransactions


Derivative
Period End2021-03-31
Value45
Percentage of DerivativeCostOfHedge100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.33.43.94.52.1-14.54.1-0.23.53.9-7.52.10.2-4.5
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnForeignCurrencyFairValueHedgeDerivatives us-gaap:BusinessAcquisition, us-gaap:IncomeStatementLocation

us-gaap:GainLossOnForeignCurrencyFairValueHedgeDerivatives

cday:AscenderHCMPrivateLimited, us-gaap:OtherExpense


Gain
Period End2021-03-01
Value4200000.0
Percentage of GainLossOnForeignCurrencyFairValueHedgeDerivatives100.0

us-gaap:GoodwillAcquiredDuringPeriod

us-gaap:GoodwillAcquiredDuringPeriod


Goodwill
Period End2021-03-31
Value275
Percentage of GoodwillAcquiredDuringPeriod100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss

us-gaap:GoodwillForeignCurrencyTranslationGainLoss


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.84.0258.715-34.08.5-4.57.98.522-7.26.911
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables

us-gaap:IncreaseDecreaseInAccountsAndOtherReceivables


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4.48.19.5-1.3-0.74.55.87.2-0.43.88.2-2.1-2.71.97.61.7-10.6-4.0
Percentage of IncreaseDecreaseInAccountsAndOtherReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value600000.0-2100000.010600000.0-10200000.0200000.0-2000000.06300000.03200000.0100000.0-5800000.02000000.0-3800000.0-4100000.0-500000.09400000.0-4800000.01000000.0-5500000.0
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value188.65.0-5.0-4.60.9-0.7-2.30.0-8.13.21.0-2.16.33.6-0.1-1.7-8.5
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInDeferredRevenue


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3200000.04900000.0-1800000.01700000.0-3200000.02100000.0-1800000.03900000.0-1100000.0-200000.0700000.01500000.0-400000.01700000.0-1000000.02100000.0800000.0700000.0
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10400000.0-24700000.0-101200000.018500000.05100000.0-26400000.07400000.01000000.0-2600000.0-16900000.05600000.0-8700000.0-2300000.0-16700000.07300000.0-11300000.0-2200000.0-19900000.0
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


Increase
Period End2021-06-302021-03-312020-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0400000.0100000.0-3000000.03400000.0-200000.0100000.0-2500000.0-13100000.012700000.0-12300000.08300000.0-13500000.0
Percentage of IncreaseDecreaseInInterestPayableNet0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets

us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value5.07.1-1.21.6-1.17.5-2.1-1.04.17.01.6-2.8-5.6114.1-5.9-0.69.3
Percentage of IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:DebtInstrument

us-gaap:InterestExpenseDebtExcludingAmortization

cday:ConvertibleSeniorNotes


Interest
Period End2021-06-302021-03-31
Value400000.0100000.0
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1100000.01000000.01500000.01600000.01500000.01600000.0-800000.03200000.03300000.02800000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyReceivableProceeds us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyReceivableProceeds

cday:IsolatedServiceIncident


Loss
Period End2020-12-312020-09-302020-06-30
Value00100000.0
Percentage of LossContingencyReceivableProceeds0.00.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value7.7-5.7361241-25.67.2-3.52834-36.23.7-15.3-29.4
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-5.4-16.7-4.9-0.22023-4.63.1172114-6.0-5.1-13.4
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent-70.1293.0-13.4-1.648.3-91.4-63.9-88.660.364.2-38.7-162.233.345.6

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1311331221-49.111-6.51112-31.29.8-10.1-15.9
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent168.8-193.091.5101.651.9191.8163.9185.740.136.186.2264.966.054.1

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.41.22.12.42.32.30.24.24.44.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-4.0-12.3-0.71517-3.91619-5.1-4.5-12.6
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-4.0-12.3-0.71517-3.91619-5.1-4.5-12.6
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1.4-4.40.55.16.07.00.9-2.7-0.9-0.6-0.8
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.4-3.41.61.65.96.8-0.48.80.92.71.1-0.9-0.6-0.8
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1.01.03.01.10.80.80.6
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-250.0-29.4187.568.813.611.8-150.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.4-4.4-1.40.55.16.0-1.07.00.92.71.1-0.9-0.6-0.8
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax350.0129.4-87.531.286.488.2250.079.5100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTax

us-gaap:OtherComprehensiveIncomeLossBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value11-1.9391545-22.49.5-0.93136-33.56.7-12.1-26.6-5.317139.3
Percentage of OtherComprehensiveIncomeLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1311331221-49.111-6.51112-31.29.8-9.9-16.1-4.223144.9
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value111.5381439-29.29.9-9.73034-34.67.6-11.7-25.6
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.82.88.32.22.52.51.70.72.52.5-16.32.92.92.9
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent23.7186.721.715.46.4-8.617.2-7.28.27.447.138.2-24.8-11.3

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.0-12.3-3.5-0.71517-3.6-3.9161912-5.1-4.5-12.6
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent-33.9-820.0-9.2-4.938.4-59.6-36.440.253.956.5-37.3-67.138.549.2

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1311331221-49.111-6.51112-31.29.8-10.1-15.9
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent110.2733.387.489.555.2168.2119.267.037.836.290.2128.986.362.1

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-3.8-3.8-11.3-3.3-3.3-3.3-2.3-2.5-2.5-2.516-2.9-2.9-2.9-6.2-2.5-2.5-2.6
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2800000.0-2800000.0-2200000.0-2500000.0-2500000.0700000.0-2500000.0-2500000.02900000.0-2900000.0-2900000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-2800000.0-2800000.0-2200000.0-2500000.0-2500000.0700000.0-2500000.0-2500000.02900000.0-2900000.0-2900000.0
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1000000.01000000.01100000.0800000.0800000.01800000.000000
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.4-3.41.61.45.96.8-0.48.80.92.71.1-0.9-0.60.8-0.6-1.8-2.81.6
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1500000.0-1100000.0-400000.0300000.0-100000.0-800000.02200000.0-1000000.0-300000.0-500000.0-200000.0-900000.0700000.0100000.0-1500000.0700000.0900000.0400000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherTaxExpenseBenefit

us-gaap:OtherTaxExpenseBenefit


Other
Period End2021-06-302021-03-31
Value3200000.0-800000.0
Percentage of OtherTaxExpenseBenefit100.0100.0

us-gaap:PaymentsOfStockIssuanceCosts us-gaap:IncomeStatementLocation, us-gaap:SubsidiarySaleOfStock

us-gaap:PaymentsOfStockIssuanceCosts

us-gaap:SellingGeneralAndAdministrativeExpenses, cday:SecondaryOffering


Payments
Period End2020-09-302019-12-312019-09-302019-06-302019-03-312018-12-31
Value400000.0500000.0800000.0800000.0900000.01300000.0
Percentage of PaymentsOfStockIssuanceCosts100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-30
Value353380.00.00.819
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.00.00.0100.0100.0

us-gaap:PaymentsToAcquireMachineryAndEquipment

us-gaap:PaymentsToAcquireMachineryAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.53.44.53.75.04.95.53.13.74.01.21.92.02.97.95.02.02.6
Percentage of PaymentsToAcquireMachineryAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1321481870.50.2247337154143160848952022911766185
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToSuppliers us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:PaymentsToSuppliers

us-gaap:ServiceAgreements, cday:ManulifeFinancial


Payments
Period End2021-06-302020-06-30
Value2100000.01900000.0
Percentage of PaymentsToSuppliers100.0100.0

us-gaap:ServiceAgreements, cday:TheDunAndBradstreetCorporation


Payments
Period End2021-06-302020-06-30
Value100000.0400000.0
Percentage of PaymentsToSuppliers4.821.1

us-gaap:PaymentsToSuppliers us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

cday:ServiceAgreement, cday:TheDunAndBradstreetCorporation


Payments
Period End2021-03-312020-12-312020-09-302020-06-30
Value300000.000400000.0
Percentage of PaymentsToSuppliers0.00.00.021.1

us-gaap:PensionExpense us-gaap:IncomeStatementLocation

us-gaap:PensionExpense

us-gaap:OtherNonoperatingIncomeExpense


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.73.83.33.33.33.22.32.62.6-2.62.73.03.03.0
Percentage of PensionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromConvertibleDebt


Proceeds
Period End2021-06-302021-03-31
Value0.0561
Percentage of ProceedsFromConvertibleDebt0.0100.0

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value23112118401110322420237.8
Percentage of ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.02950.00.0
Percentage of ProceedsFromLinesOfCredit0.0100.00.00.0

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1789765901644996451824913698434175214122139133
Percentage of ProceedsFromSaleAndMaturityOfMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-06-302020-03-31
Value500000.0400000.00500000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.00.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3700000.0-3800000.0-3300000.0-3300000.0-3400000.0-3200000.0-2300000.0-2600000.0-2600000.0-2600000.0-2700000.0-3000000.0-3000000.0-3000000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-3700000.0-3800000.0-3300000.0-3300000.0-3400000.0-3200000.0-2300000.0-2600000.0-2600000.0-2600000.0-2700000.0-3000000.0-3000000.0-3000000.0
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2021-06-302021-03-31
Value0.0295
Percentage of RepaymentsOfLinesOfCredit0.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:ProductOrService, us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

cday:Dayforce, cday:AmericanBlueRibbonHoldingsLLC


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value300000.0100000.0400000.0300000.0500000.0200000.0500000.0400000.0500000.0300000.0500000.0500000.0500000.0
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:Dayforce, cday:EssexTechnologyGroupLLC


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.0100000.0100000.0100000.0200000.0100000.0100000.0200000.0100000.0100000.0
Percentage of RevenueFromRelatedParties0.033.3100.025.066.720.050.040.025.020.0

cday:Dayforce, cday:FidelityNationalFinancialInc


Revenue
Period End2021-06-302020-06-302018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value200000.0100000.0100000.0100000.0100000.00100000.0300000.0
Percentage of RevenueFromRelatedParties0.033.320.020.020.00.00.00.0

cday:Dayforce, cday:GuaranteedRate


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value400000.0400000.0300000.0300000.0100000.0200000.0100000.0200000.0200000.0300000.0300000.00200000.0
Percentage of RevenueFromRelatedParties0.0133.3300.075.033.340.050.040.050.060.0100.00.040.0

cday:Dayforce, cday:TenXLLC


Revenue
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value0100000.0100000.0100000.0100000.0100000.0
Percentage of RevenueFromRelatedParties0.025.033.350.020.025.0

cday:Dayforce, cday:TheStronachGroup


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00100000.0100000.00100000.00100000.0100000.00100000.0100000.0
Percentage of RevenueFromRelatedParties0.00.033.320.00.020.00.020.033.30.020.020.0

cday:Dayforce, cday:VerveSeniorLiving


Revenue
Period End2021-06-302020-03-31
Value100000.0200000.0
Percentage of RevenueFromRelatedParties0.040.0

cday:DayforceHcmServicesAndOtherAdministrativeServices, cday:FleetCorTechnologiesOrWhollyOwnedAffiliates


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.0200000.0200000.0200000.0300000.0200000.0200000.0200000.0200000.0
Percentage of RevenueFromRelatedParties33.3200.050.066.760.0100.040.050.040.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-1.9251.123.491.84-2.5829.341.131.9-0.1121.220.21
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value-6.6528.820.19-0.271.6618.840.03-0.120.7716.691.53
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value013.4600013.460-0.02-0.1413.640
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice-0.046.70.0-0.00.071.40.016.7-18.281.70.0

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.0480.950.240.21-5.1270.730.080049.660.23
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:PerformanceShares, cday:ShareBasedCompensationPlans


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value00.0165.26000000
Percentage of ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice0.04.8-1274.60.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value23111840113224207.814
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value23111840113224207.814
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.099.8100.0100.0100.0100.0100.0100.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value700000.0600000.0900000.01100000.01100000.01000000.01100000.01000000.01100000.01200000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions

us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions


Tax
Period End2021-06-302021-03-31
Value-100000.0-1800000.0
Percentage of TaxAdjustmentsSettlementsAndUnusualProvisions100.0100.0

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease

us-gaap:UnrecognizedTaxBenefitsPeriodIncreaseDecrease


Unrecognized
Period End2021-06-302021-03-31
Value0-1800000.0
Percentage of UnrecognizedTaxBenefitsPeriodIncreaseDecrease0.0100.0

cday:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax us-gaap:RetirementPlanType

cday:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value-5.46.19.99.9
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value51579191
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTax-951.9947.5924.2924.2

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value145138108124
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsAmortizedCost100.0100.0100.0100.0

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value152145120138
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveYearsFairValue100.0100.0100.0100.0

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value688678753689
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsAmortizedCost100.0100.0100.0100.0

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value712705785719
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughThreeYearsFairValue100.0100.0100.0100.0

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value402403335343
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsAmortizedCost100.0100.0100.0100.0

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue

cday:AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value407410349362
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterThreeThroughFiveYearsFairValue100.0100.0100.0100.0

cday:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmountNetOfTax

cday:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmountNetOfTax


Business
Period End2020-12-31
Value23
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmountNetOfTax100.0

cday:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerFunds us-gaap:BusinessAcquisition

cday:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerFunds

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value1816
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsCustomerFunds100.0100.0

cday:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesCustomerFundsObligations us-gaap:BusinessAcquisition

cday:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesCustomerFundsObligations

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value1816
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesCustomerFundsObligations100.0100.0

cday:CurrentAssetsBeforeFundsHeldForClients

cday:CurrentAssetsBeforeFundsHeldForClients


Current
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value540548363724690407419400365330330291280194222
Percentage of CurrentAssetsBeforeFundsHeldForClients100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:CustomerFundsObligations

cday:CustomerFundsObligations


Customer
Period End2021-06-302021-03-312020-12-31
Value317142373697
Percentage of CustomerFundsObligations100.0100.0100.0

cday:CustomerTrustFundsObligations

cday:CustomerTrustFundsObligations


Customer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3697258125943605319325903963455426193457372843134105
Percentage of CustomerTrustFundsObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:DebtInstrumentCarryingAmountAndFinanceLeaseLiability

cday:DebtInstrumentCarryingAmountAndFinanceLeaseLiability


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value12461248673970973681683678
Percentage of DebtInstrumentCarryingAmountAndFinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0

cday:DebtInstrumentUnamortizedFinancingCost us-gaap:LongtermDebtType

cday:DebtInstrumentUnamortizedFinancingCost

cday:SeniorSecuredCreditFacility


Debt
Period End2020-12-312019-12-31
Value5700000.06800000.0
Percentage of DebtInstrumentUnamortizedFinancingCost100.0100.0

cday:DeferredTaxAssetsTaxCreditCarryForwardsDomestic

cday:DeferredTaxAssetsTaxCreditCarryForwardsDomestic


Deferred
Period End2020-12-31
Value200000.0
Percentage of DeferredTaxAssetsTaxCreditCarryForwardsDomestic100.0

cday:DeferredTaxLiabilitiesUnremittedForeignEarnings us-gaap:IncomeTaxAuthority

cday:DeferredTaxLiabilitiesUnremittedForeignEarnings

cday:TaxCutsAndJobsActOf2017


Deferred
Period End2020-12-31
Value288
Percentage of DeferredTaxLiabilitiesUnremittedForeignEarnings100.0

cday:DefinedBenefitPlanExpectedFutureReceiptsFromFederalSubsidyAfterYearFive us-gaap:RetirementPlanType

cday:DefinedBenefitPlanExpectedFutureReceiptsFromFederalSubsidyAfterYearFive

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-31
Value100000.0
Percentage of DefinedBenefitPlanExpectedFutureReceiptsFromFederalSubsidyAfterYearFive100.0

cday:DefinedBenefitPlanPensionPlanWithPlanAssetsInExcessOfProjectedBenefitObligation us-gaap:RetirementPlanType

cday:DefinedBenefitPlanPensionPlanWithPlanAssetsInExcessOfProjectedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value3500000.0
Percentage of DefinedBenefitPlanPensionPlanWithPlanAssetsInExcessOfProjectedBenefitObligation100.0

cday:FundsHeldForClientsAmortizedCost

cday:FundsHeldForClientsAmortizedCost


Funds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value317142373697258125943605319325903963455426193457372843134105
Percentage of FundsHeldForClientsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

cday:IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization

us-gaap:TradeNames


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2900000.02700000.02500000.02000000.02000000.01900000.02100000.02000000.02000000.01900000.01900000.02000000.02100000.0
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwillAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:IndefiniteLivedIntangibleAssetsExcludingGoodwillNet us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

cday:IndefiniteLivedIntangibleAssetsExcludingGoodwillNet

us-gaap:TradeNames


Indefinite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value181182175175175171171171171171171171172
Percentage of IndefiniteLivedIntangibleAssetsExcludingGoodwillNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:IntangibleAssetsAccumulatedAmortization

cday:IntangibleAssetsAccumulatedAmortization


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value383373371363360356364360356350343333
Percentage of IntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:InvestedCustomerFundsAmortizedCost

cday:InvestedCustomerFundsAmortizedCost


Invested
Period End2021-06-302021-03-312020-12-31
Value316042213684
Percentage of InvestedCustomerFundsAmortizedCost100.0100.0100.0

cday:InvestedCustomerFundsFairValue

cday:InvestedCustomerFundsFairValue


Invested
Period End2021-06-302021-03-312020-12-31
Value320342683746
Percentage of InvestedCustomerFundsFairValue100.0100.0100.0

cday:InvestedCustomerTrustFunds

cday:InvestedCustomerTrustFunds


Invested
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3746262126313632317425903980454825913418369742834091
Percentage of InvestedCustomerTrustFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:InvestedCustomerTrustFundsAmortizedCost

cday:InvestedCustomerTrustFundsAmortizedCost


Invested
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3684255625663588315325643957454326083448372243034097
Percentage of InvestedCustomerTrustFundsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value59
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value11
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueNextTwelveMonths

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value11
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value6700000.0
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFive100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value8600000.0
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearFour100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value10000000.0
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearThree100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo

cday:LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value11
Percentage of LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueYearTwo100.0

cday:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount

cday:LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value6800000.0
Percentage of LesseeOperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount100.0

cday:LiabilitiesBeforeClientFundObligationsCurrent

cday:LiabilitiesBeforeClientFundObligationsCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value202183166160149147178152129129143139135141167
Percentage of LiabilitiesBeforeClientFundObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour

cday:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour


Long
Period End2021-06-302021-03-312020-09-30
Value575575637
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour100.0100.0100.0

cday:MinimumSubleaseRentalsUnderNoncancallableSubleases

cday:MinimumSubleaseRentalsUnderNoncancallableSubleases


Minimum
Period End2020-12-31
Value6500000.0
Percentage of MinimumSubleaseRentalsUnderNoncancallableSubleases100.0

cday:MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue

cday:MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue


Money
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value148221052027105098518721348751212727018721697197021912309
Percentage of MoneyMarketSecuritiesInvestmentsCarriedAtCostAndOtherCashEquivalentsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:OperatingAndFinanceLeaseLiabilities

cday:OperatingAndFinanceLeaseLiabilities


Operating
Period End2020-12-31
Value52
Percentage of OperatingAndFinanceLeaseLiabilities100.0

cday:OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent

cday:OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value61665253545251
Percentage of OperatingAndFinanceLeaseLiabilityCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0

cday:OperatingAndFinanceLeaseRightOfUseAsset

cday:OperatingAndFinanceLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value45494353535047
Percentage of OperatingAndFinanceLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0

cday:OperatingLeaseRightOfUseAssetCurrent us-gaap:BalanceSheetLocation

cday:OperatingLeaseRightOfUseAssetCurrent

cday:TradeAndOtherReceivablesNet


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2800000.05400000.05400000.05300000.05200000.05500000.0
Percentage of OperatingLeaseRightOfUseAssetCurrent100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpensesAndOtherCurrentAssets


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2700000.02300000.02200000.02200000.02200000.01900000.01200000.0
Percentage of OperatingLeaseRightOfUseAssetCurrent0.082.140.740.741.536.521.8

cday:ReceivablesAmortizedCost

cday:ReceivablesAmortizedCost


Receivables
Period End2021-06-302021-03-312020-12-31
Value111613
Percentage of ReceivablesAmortizedCost100.0100.0100.0

cday:ReserveForSalesAdjustments

cday:ReserveForSalesAdjustments


Reserve
Period End2020-12-312019-12-312018-12-312017-12-31
Value4400000.03700000.03800000.04700000.0
Percentage of ReserveForSalesAdjustments100.0100.0100.0100.0

cday:ReservesForAccountsReceivableAndSalesReturns

cday:ReservesForAccountsReceivableAndSalesReturns


Reserves
Period End2020-12-312019-12-312018-12-312017-12-31
Value4400000.03700000.03800000.04700000.0
Percentage of ReservesForAccountsReceivableAndSalesReturns100.0100.0100.0100.0

cday:RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations

cday:RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations


Restricted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value149425211075101418891377759213327128881704197622012317
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:TrustReceivables

cday:TrustReceivables


Trust
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1325281629136.210118.66.110.08.3
Percentage of TrustReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:TrustReceivablesAmortizedCost

cday:TrustReceivablesAmortizedCost


Trust
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1324281640266.210118.66.110.08.3
Percentage of TrustReceivablesAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cday:UnrecognizedTaxBenefitsResultingInNetOperatingLossesCarryforward

cday:UnrecognizedTaxBenefitsResultingInNetOperatingLossesCarryforward


Unrecognized
Period End2020-12-31
Value83
Percentage of UnrecognizedTaxBenefitsResultingInNetOperatingLossesCarryforward100.0

cday:UnremittedEarningsToBeIndefinitelyReinvested us-gaap:IncomeTaxAuthority

cday:UnremittedEarningsToBeIndefinitelyReinvested

cday:TaxCutsAndJobsActOf2017


Unremitted
Period End2020-12-31
Value236
Percentage of UnremittedEarningsToBeIndefinitelyReinvested100.0

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value118122101919282806967686962638179
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value108867572
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0

us-gaap:AccrualForEnvironmentalLossContingencies

us-gaap:AccrualForEnvironmentalLossContingencies


Accrual
Period End2020-12-312019-12-312018-12-31
Value4800000.05000000.05200000.0
Percentage of AccrualForEnvironmentalLossContingencies100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2021-06-302020-12-31
Value500000.0100000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax us-gaap:RetirementPlanType

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value-8.6-10.4-8.5-8.9
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value163180158151
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax-1898.8-1736.5-1865.9-1701.1

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AllowanceForDoubtfulAccountsReceivable


Allowance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3100000.02400000.01300000.01300000.01800000.01100000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-31
Value3100000.02400000.01300000.01300000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure

us-gaap:AssetsFairValueDisclosure


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value172121631719157116451760182618381853184717191720172720921782
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value172121631719157116451760182618381853184717191720172720921782
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities

us-gaap:AvailableForSaleSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value172121631719157116451760182618381853184717191720172720921782
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value172121631719157116451760182618381853184717191720172720921782
Percentage of AvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecurities us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value417412411395393386411406412402394414405423
Percentage of AvailableForSaleSecurities24.319.124.025.223.922.022.522.122.321.822.924.123.523.8

cday:OtherSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6444164.54.04.04.012141414141616
Percentage of AvailableForSaleSecurities3.72.01.00.30.20.20.20.70.80.80.90.91.00.9

cday:OtherShortTermInvestments


Available
Period End2021-06-302021-03-31
Value7.0509
Percentage of AvailableForSaleSecurities0.423.5

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value187196197206226248271248253256244246244279
Percentage of AvailableForSaleSecurities10.99.111.513.213.814.114.913.513.713.914.214.314.115.7

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value467435567485499538570561554555495506493470
Percentage of AvailableForSaleSecurities27.120.133.030.930.430.631.330.629.930.028.829.428.526.4

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.27.510121518192224248.39.41014
Percentage of AvailableForSaleSecurities0.30.30.60.81.01.01.11.21.31.30.50.50.60.8

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value572557515465506565549587593594562529556577
Percentage of AvailableForSaleSecurities33.225.830.029.630.832.130.131.932.032.232.730.832.232.4

us-gaap:AvailableForSaleSecuritiesAmortizedCost

us-gaap:AvailableForSaleSecuritiesAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value168121161657150615801716180518121829184217351750175121111787
Percentage of AvailableForSaleSecuritiesAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesAmortizedCost us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value407400396379376375406399404396392414404418
Percentage of AvailableForSaleSecuritiesAmortizedCost24.218.923.925.223.821.922.522.122.121.522.623.723.123.4

cday:OtherSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6444164.53.94.04.012141414141617
Percentage of AvailableForSaleSecuritiesAmortizedCost3.82.11.00.30.20.20.20.70.80.80.90.91.01.0

cday:OtherShortTermInvestments


Available
Period End2021-06-302021-03-31
Value7.0509
Percentage of AvailableForSaleSecuritiesAmortizedCost0.424.1

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value184192192201221247270246252257247249247280
Percentage of AvailableForSaleSecuritiesAmortizedCost11.09.111.613.414.014.415.013.613.814.014.214.314.115.7

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value454420548466481529562552545551499513498472
Percentage of AvailableForSaleSecuritiesAmortizedCost27.019.933.130.930.430.931.130.529.829.928.829.328.526.4

us-gaap:MortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.17.49.9121517192124248.59.71115
Percentage of AvailableForSaleSecuritiesAmortizedCost0.30.30.60.81.01.01.11.21.31.30.50.60.60.8

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value558541494441482542542578588598573548573584
Percentage of AvailableForSaleSecuritiesAmortizedCost33.225.629.829.330.531.630.031.932.232.533.031.332.732.7

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value318226425.85.72314664655538771237138213291343
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Available
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value197.012610610098145187135
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue6.03.127.222.918.211.311.713.610.2

cday:OtherSecurities


Available
Period End2021-06-302021-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value43388.11010141416
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue13.517.01.71.91.21.21.01.2

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value161611410393117161209227232
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue5.27.549.222.220.221.318.416.916.417.5

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value68235.85.711791104103185341417380
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue21.410.4100.0100.050.819.622.418.721.227.630.228.6

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value17214042139147214409519526554
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue53.962.1100.029.831.638.846.741.938.141.7

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3182264220034727592502937188951152
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Available
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value197.012610661148635
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue6.03.136.538.866.64.912.14.0

cday:OtherSecurities


Available
Period End2021-06-302021-03-312018-12-312018-09-302018-06-30
Value43381.74.04.1
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue13.517.00.60.60.5

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value161611481599.05.04097150
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue5.27.556.823.521.89.810.013.913.616.8

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value68238652655.916136271259
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue21.410.443.215.223.86.432.746.537.729.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1721404285421524100257442
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue53.962.1100.024.615.616.549.334.135.949.5

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.85.731119190461827944663434190
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Available
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5.85.731383897169204145120
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.032.520.321.120.521.722.027.8

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1923300024871398
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value1931300624911402
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired us-gaap:BusinessAcquisition

us-gaap:BusinessAcquisitionPercentageOfVotingInterestsAcquired

cday:AscenderHCMPrivateLimited


Business
Period End2021-03-01
Value100.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired100.0

cday:Ideal


Business
Period End2021-04-30
Value100.0
Percentage of BusinessAcquisitionPercentageOfVotingInterestsAcquired0.0

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount

us-gaap:BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount


Business
Period End2020-12-31
Value5100000.0
Percentage of BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents

cday:Ideal


Business
Period End2021-04-30
Value2600000.0
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value1515
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0100.0

cday:ExcelityGlobalSolutionsPrivateLimited


Business
Period End2020-12-312020-09-30
Value1310
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables0.00.0

cday:Ideal


Business
Period End2021-04-30
Value0.5
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value3130
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable100.0100.0

cday:Ideal


Business
Period End2021-04-30
Value3.6
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value138117
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill100.0100.0

cday:Ideal


Business
Period End2021-04-30
Value18
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value4844
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0100.0

cday:ExcelityGlobalSolutionsPrivateLimited


Business
Period End2020-12-312020-09-30
Value7.09.7
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther0.00.0

cday:Ideal


Business
Period End2021-04-30
Value3.3
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

cday:AscenderHCMPrivateLimited


Business
Period End2021-06-302021-03-31
Value1820
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0100.0

cday:Ideal


Business
Period End2021-04-30
Value0.1
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

cday:Ideal


Business
Period End2021-04-30
Value41
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations

us-gaap:CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3353395545262552812702372062171881715794
Percentage of CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value18312862222816301541214416581030237129182171892214822599412063
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerAssetNet

us-gaap:ContractWithCustomerAssetNet


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value6156555348474340393840
Percentage of ContractWithCustomerAssetNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability

us-gaap:ContractWithCustomerLiability


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value434324262426252722232321191916
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value12361238664961963669671
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument

cday:LiabilityComponent, cday:ConvertibleSeniorNotes


Debt
Period End2021-03-31
Value575
Percentage of DebtInstrumentCarryingAmount46.4

us-gaap:DebtInstrumentCarryingAmount us-gaap:LongtermDebtType

cday:TermDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value661663664666668669671678
Percentage of DebtInstrumentCarryingAmount53.553.6100.069.369.4100.0100.00.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

cday:ConvertibleSeniorNotes


Debt
Period End2030-03-162021-03-312021-03-162021-03-05
Value575575575500
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentFairValue

us-gaap:DebtInstrumentFairValue


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1232120365792791963667567467667464968067811501154
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedDiscount


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1.21.21.31.41.41.51.61.61.71.71.80.70.9
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument

cday:LiabilityComponent, cday:ConvertibleSeniorNotes


Debt
Period End2021-03-31
Value107
Percentage of DebtInstrumentUnamortizedDiscount0.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument

cday:TermDebtAndConvertibleSeniorNotes


Debt
Period End2021-06-302021-03-312020-12-31
Value1041091.2
Percentage of DebtInstrumentUnamortizedDiscount0.00.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.10.10.30.61.97.7181810
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:CorporateDebtSecurities


Debt
Period End2020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.10.10.10.10.31.13.63.12.3
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.033.316.715.814.319.916.421.5

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.72.90.11.31.40.80.20.12.41317
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Debt
Period End2021-06-302021-03-312019-12-312019-09-302018-12-312018-09-302018-06-30
Value0.10.10.70.20.10.90.4
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss3.73.450.025.04.26.52.3

cday:OtherSecurities


Debt
Period End2021-06-302021-03-312018-09-302018-06-30
Value0.30.20.10.05
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss11.16.90.70.3

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value0.50.30.50.20.20.11.13.73.7
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss18.510.338.514.325.050.045.826.820.9

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Debt
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-03-312018-12-312018-09-302018-06-30
Value1.82.30.10.20.10.11.08.011
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss66.779.3100.014.312.5100.041.758.064.4

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.72.90.10.10.11.31.71.42.17.8203228
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

cday:CanadianAndProvincialGovernmentSecurities


Debt
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.10.10.70.20.10.31.42.72.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss3.73.441.214.34.83.86.88.37.0

cday:OtherSecurities


Debt
Period End2021-06-302021-03-312019-03-312018-12-312018-09-302018-06-30
Value0.30.20.10.10.20.1
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss11.16.91.30.50.60.4

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.50.30.10.10.50.30.30.41.14.76.86.0
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss18.510.3100.0100.038.517.621.419.014.122.920.821.1

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Debt
Period End2021-06-302021-03-312020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.82.30.10.30.51.15.1111916
Percentage of DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss66.779.3100.017.635.752.465.455.658.458.1

us-gaap:DeferredCosts us-gaap:BalanceSheetLocation

us-gaap:DeferredCosts

us-gaap:OtherNoncurrentAssets


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value13112913211810810110691888683
Percentage of DeferredCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsGross

us-gaap:DeferredFinanceCostsGross


Deferred
Period End2020-12-31
Value3.6
Percentage of DeferredFinanceCostsGross100.0

us-gaap:DeferredFinanceCostsNet us-gaap:BalanceSheetLocation, us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet

cday:LiabilityComponent, cday:ConvertibleSeniorNotes


Deferred
Period End2021-03-31
Value11
Percentage of DeferredFinanceCostsNet100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value116896792
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent

us-gaap:DeferredRevenueCurrent


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value434324262426252722231716151816
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value143124129151
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1258278100
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign


Deferred
Period End2020-12-31
Value8500000.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsForeign100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-31
Value34
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-31
Value7500000.0
Percentage of DeferredTaxAssetsOther100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value200000.0300000.0300000.0200000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value9.8415151
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesFinancingArrangements us-gaap:TypeOfArrangement

us-gaap:DeferredTaxLiabilitiesFinancingArrangements

cday:CappedCallTransactions


Deferred
Period End2021-03-31
Value12
Percentage of DeferredTaxLiabilitiesFinancingArrangements100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value61576265
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value55325.85.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value555547527593
Percentage of DefinedBenefitPlanAccumulatedBenefitObligation100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value300000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value15
Percentage of DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2020-12-312019-12-312018-12-31
Value25.00.250.25
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.420.02520.0370.03010.0326
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate5.710.114.80.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1.870.02810.03920.03250.0363
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate7.511.215.70.00.0

us-gaap:DefinedBenefitPlanBenefitObligation us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1415161921
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value555547527593605
Percentage of DefinedBenefitPlanBenefitObligation3937.63553.23139.33025.52885.2

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value4.45.26.2
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value166174183
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter3793.23357.72959.7

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value2.02.12.2
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value464546
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths2320.02166.72090.9

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1.31.41.6
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value394041
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive3000.02857.12593.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1.41.61.8
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value414142
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour2942.92593.82372.2

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1.51.71.9
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value424344
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree2853.32529.42315.8

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value1.71.81.9
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value444445
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo2611.82461.12368.4

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

cday:DefinedBenefitPlanCollectiveInvestmentFunds, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value106251
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0

cday:DefinedBenefitPlanShortTermInvestment, us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value83175736
Percentage of DefinedBenefitPlanFairValueOfPlanAssets78.77.00.00.0

us-gaap:CorporateDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value322191818
Percentage of DefinedBenefitPlanFairValueOfPlanAssets303.97.80.00.0

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value461379288
Percentage of DefinedBenefitPlanFairValueOfPlanAssets44.054.60.00.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

cday:DefinedBenefitPlanCollectiveInvestmentFunds, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value106251
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0

cday:DefinedBenefitPlanShortTermInvestment, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value83175736
Percentage of DefinedBenefitPlanFairValueOfPlanAssets78.77.00.00.0

us-gaap:CorporateDebtSecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value322191818
Percentage of DefinedBenefitPlanFairValueOfPlanAssets303.97.80.00.0

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value461379288
Percentage of DefinedBenefitPlanFairValueOfPlanAssets44.054.60.00.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType

us-gaap:FairValueInputsLevel1, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value83175736
Percentage of DefinedBenefitPlanFairValueOfPlanAssets78.77.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value475408323401
Percentage of DefinedBenefitPlanFairValueOfPlanAssets447.9162.50.00.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:RetirementPlanType

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value558425381438416
Percentage of DefinedBenefitPlanFairValueOfPlanAssets526.6169.40.00.00.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-14100000.0-15400000.0-16800000.0-19600000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value3500000.0-121600000.0-145800000.0-154400000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan-24.8789.6867.9787.8

us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage

cday:DefinedBenefitPlanLiabilityHedging, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value83.00.280.28
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage100.0100.0100.0

cday:DefinedBenefitPlanLongTermGrowth, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value15.00.70.7
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage18.1250.0250.0

cday:DefinedBenefitPlanShortTermInvestment, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value2.00.020.02
Percentage of DefinedBenefitPlanPlanAssetsInvestmentWithinPlanAssetCategoryPercentage2.47.17.1

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage

cday:AlternateInvestment, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value13.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage100.0

cday:DefinedBenefitPlanPublicEquitySecurities, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-31
Value62.0
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage476.9

us-gaap:FixedIncomeFunds, us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value25.00.40.41
Percentage of DefinedBenefitPlanPlanAssetsTargetAllocationPercentage192.30.00.0

us-gaap:DerivativeCapPrice us-gaap:TypeOfArrangement

us-gaap:DerivativeCapPrice

cday:CappedCallTransactions


Derivative
Period End2021-03-31
Value179.26
Percentage of DerivativeCapPrice100.0

us-gaap:DerivativePriceRiskOptionStrikePrice us-gaap:TypeOfArrangement

us-gaap:DerivativePriceRiskOptionStrikePrice

cday:CappedCallTransactions


Derivative
Period End2021-03-31
Value132.2
Percentage of DerivativePriceRiskOptionStrikePrice100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value594764755649755743385461555570
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2021-06-302021-03-312020-12-312020-09-302018-03-31
Value899544456.3
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

cday:PerformanceStockUnits, cday:TwoThousandTwentyManagementIncentivePlan


Employee
Period End2020-09-30
Value10.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0

cday:PerformanceStockUnits, cday:TwoThousandTwentyOneManagementIncentivePlan


Employee
Period End2021-06-302021-03-31
Value2223
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions0.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions

cday:TermBasedStockOptions


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value888785951057583919910746495120
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value10108.89.4101112
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1500000.01300000.0400000.0900000.01800000.02900000.04000000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8700000.09000000.08400000.08500000.08600000.08500000.08400000.0
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8900000.09200000.08000000.08200000.08400000.08600000.08800000.0
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:CustomerRelatedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value217213212207206204208204201195190188183213209
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value163157156153152151154153153152151153152153154
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization75.273.973.874.174.174.074.274.976.578.079.781.583.271.973.7

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value6200000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value1800000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value4300000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value5000000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value5800000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:CustomerRelatedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value306296229225222207212212208206205208207246248
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TechnologyBasedIntangibleAssets


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value233204159157156152156155155154152154153154155
Percentage of FiniteLivedIntangibleAssetsGross76.169.069.769.670.273.473.572.974.574.574.174.073.962.662.6

us-gaap:FundsHeldForClients

us-gaap:FundsHeldForClients


Funds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value321542843759264626593649320426043986455926033426370342934099
Percentage of FundsHeldForClients100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IntangibleAssetsGrossExcludingGoodwill

us-gaap:IntangibleAssetsGrossExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value725684566560556533542541536534531539
Percentage of IntangibleAssetsGrossExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent us-gaap:CreditFacility

us-gaap:InterestPayableCurrent

cday:SeniorSecuredCreditFacility


Interest
Period End2021-03-312020-12-312019-12-31
Value0.30.10.1
Percentage of InterestPayableCurrent100.0100.0100.0

cday:TwoThousandEighteenSeniorSecuredCreditFacility


Interest
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.40.30.10.10.10.53.50.1
Percentage of InterestPayableCurrent0.00.00.0100.00.00.00.00.0

us-gaap:InterestReceivable

us-gaap:InterestReceivable


Interest
Period End2020-12-312019-12-312018-12-312017-12-31
Value1800000.01300000.0900000.01700000.0
Percentage of InterestReceivable100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

us-gaap:ForeignLineOfCredit


Line
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value5.67.05.35.25.05.45.35.37.07.07.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-04-302018-03-312017-12-312014-11-14
Value300300300300300300300300300300300300300300130130130
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.05357.14285.75660.45769.26000.05555.65660.45660.44285.74285.70.00.00.00.01857.10.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility, us-gaap:ShortTermDebtType

us-gaap:RevolvingCreditFacility, us-gaap:LetterOfCredit


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.40.80.40.71.91.91.92.42.62.72.72.72.78.18.4
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.014.35.713.236.538.035.245.349.138.638.60.00.00.0120.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:StatementGeographical, us-gaap:CreditFacility

country:AU, us-gaap:ForeignLineOfCredit


Line
Period End2021-06-302020-12-31
Value3.10.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.0

country:CA, us-gaap:ForeignLineOfCredit


Line
Period End2021-06-302020-12-31
Value5.65.4
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.077.1

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent

us-gaap:LongTermDebtAndCapitalLeaseObligationsCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8.38.27.27.78.69.7106.8
Percentage of LongTermDebtAndCapitalLeaseObligationsCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value637
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value6376376.86.8
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2021-06-302021-03-312020-12-312020-09-30
Value6.86.86.8301
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear


Long
Period End2021-06-302021-03-312020-09-30
Value3400000.05100000.01700000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear100.0100.0100.0

us-gaap:MoneyMarketFundsAtCarryingValue

us-gaap:MoneyMarketFundsAtCarryingValue


Money
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value147921052027105098518721348751212727018721697197021912309
Percentage of MoneyMarketFundsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value10.185.02
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-31
Value53
Percentage of OperatingLossCarryforwards100.0

us-gaap:OperatingLossCarryforwards us-gaap:TaxPeriod

cday:IndefinitePeriod


Operating
Period End2020-12-31
Value29
Percentage of OperatingLossCarryforwards55.2

us-gaap:OtherReceivables

us-gaap:OtherReceivables


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value119.55.53.7
Percentage of OtherReceivables100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.92.12.22.4
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value1.5188.120
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities78.9890.5368.2845.8

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent

us-gaap:PensionPlansDefinedBenefit


Pension
Period End2020-12-31
Value13
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent100.0

us-gaap:ReceivablesFairValueDisclosure

us-gaap:ReceivablesFairValueDisclosure


Receivables
Period End2021-06-302021-03-312020-12-31
Value111613
Percentage of ReceivablesFairValueDisclosure100.0100.0100.0

us-gaap:ReceivablesFromCustomers

us-gaap:ReceivablesFromCustomers


Receivables
Period End2020-12-312019-12-312018-12-312017-12-31
Value95756867
Percentage of ReceivablesFromCustomers100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue


Restricted
Period End2020-12-312019-12-312018-12-31
Value20401377888
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302019-03-31
Value1027914917926785
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value34.1432.928.526.9825.4225.0218.3418.2117.6416.8416.7516.7
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value13.8313.8113.7813.6813.6713.6113.5813.5613.513.4813.513.5
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice40.542.048.450.753.854.474.074.576.580.080.680.8

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-31
Value552466725517527251501276343402206346489.914
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares, cday:ShareBasedCompensationPlans


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value57367734282.03.72.76.9127.7110.00.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue10.47.810.76.65.30.80.71.02.03.03.73.30.00.0

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

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

cday:TermBasedStockOptions, cday:ShareBasedCompensationPlans


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value312217240205232116184122180170101174
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PerformanceShares, cday:ShareBasedCompensationPlans


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.81.62.42.52.62.03.72.76.9127.711
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue10.60.71.01.21.11.72.02.23.87.17.66.5

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


Unamortized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value4.54.74.95.15.45.65.86.16.36.56.71011
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument

cday:TermDebtAndConvertibleSeniorNotes


Unamortized
Period End2021-06-302021-03-312020-12-31
Value15154.5
Percentage of UnamortizedDebtIssuanceExpense0.00.0100.0

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-31
Value300000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued


Unrecognized
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value300000.0300000.0300000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.0200000.02100000.02200000.0
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:IncomeTaxExpenseBenefit
us-gaap:IncomeTaxAuthority
(None,)
Income Tax Expense Benefitus-gaap: Income Tax Authority
us-gaap:IncomeTaxExpenseBenefit
us-gaap:DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensation
(None,)
Income Tax Expense Benefitus-gaap: Deferred Compensation Arrangement With Individual Share Based Payments By Type Of Deferred Compensation
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType
(None,)
Property Plant And Equipment Grossus-gaap: Property Plant And Equipment By Type
us-gaap:Goodwill
us-gaap:BusinessAcquisition
(None,)
Goodwillus-gaap: Business Acquisition
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent
us-gaap:RetirementPlanType
(None,)
Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrentus-gaap: Retirement Plan Type
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components