RHI


Line plots across dimensions of each concept
Tables

Table of contents



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

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GrossProfit

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:IncomeTaxExpenseBenefit

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

rhi:AmortizationOfCloudComputingImplementationCosts

rhi:CommonStockRepurchasedShares

rhi:CommonStockRepurchasedValue

rhi:ContractwithCustomerLiabilityOtherIncludingTranslationAdjustments

rhi:DeferredCompensationPlanUnrealizedGainLoss

rhi:IncreaseDecreaseInAccruedPayrollAndBenefitCost

rhi:PaymentsForEmployeeDeferredCompensationPlan

rhi:StockRepurchasedUnderEmployeeStockPlanDuringPeriodShares

rhi:StockRepurchasedUnderEmployeeStockPlanDuringPeriodValue

rhi:StockRepurchasesAwaitingSettlement

us-gaap:AdvertisingExpense

us-gaap:AmortizationOfIntangibleAssets

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
us-gaap:StatementEquityComponents
us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType

us-gaap:ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized

us-gaap:ContractWithCustomerLiabilityRevenueRecognized

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DefinedContributionPlanCostRecognized

us-gaap:Depreciation

us-gaap:DividendsCash
us-gaap:StatementEquityComponents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:GoodwillForeignCurrencyTranslationGainLoss
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:NumberOfReportableSegments

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RepaymentsOfDebt

us-gaap:RestrictedStockExpense

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

rhi:CapitalizedComputerSoftwareInternalUseDevelopmentCosts
us-gaap:RetirementPlanTaxStatus
rhi:DeferredCompensationPlanAssetsCurrent

us-gaap:AccruedPayrollTaxesCurrent

us-gaap:AccruedSalariesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivable

us-gaap:AssetsHeldInTrustCurrent

us-gaap:ContractWithCustomerLiability

us-gaap:DeferredCompensationLiabilityCurrent
us-gaap:RetirementPlanTaxStatus
us-gaap:TitleOfIndividual, us-gaap:RetirementPlanTaxStatus

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneousCurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:WorkersCompensationLiabilityCurrent

Tables

  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▁▁▁▂▂▂▂▃▃▃▃▃▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆▆▇▇▇▇▇███115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0NANANA
 us-gaap:SharesIssued us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁▂▂▂▂▃▃▃▃▃▄▄▄▄▄▄▅▅▅▅▅▆▆▆▆▆▆▆▆▆▇▇▇▇▇▇███114115116117118119121122123124125126127127128130131131132134135135135137137137138138139139140141142142142144146146147147149
us-gaap:CommonStockSharesIssued ▁▁▁▂▂▂▃▃▃▃▃▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇███114115116117118119121122123124125126127127128130131131132134135135135137137137138138139139140141142142142144146146NANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▂▂▂▃▃▃▃▃▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆▆▆▆▇▇▇▇▇███114115116117118119121122123124125126127127128130131131132134135135135137137137138138139139140141142142142144146146NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding 113NA115116117NA121122122NA124125126NA128129130NA132133134NA135135136NA137137138NA139139140NA140142144NA143144145
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic 113NA115116117NA120121121NA123124125NA127128129NA131132133NA134134135NA135136137NA137138139NA139141142NA142143144
us-gaap:EarningsPerShareBasic ▆███▇██▇▆▃▆▅▅▅▆▆▅▆▆▆▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁0.790.991.020.980.940.960.960.90.790.380.690.640.630.610.710.710.650.710.740.680.590.630.640.560.450.490.490.460.410.430.420.330.340.30.310.250.180.170.140.080.05
us-gaap:EarningsPerShareDiluted ▆███▇██▇▆▃▆▅▅▅▆▆▅▆▆▆▅▅▅▅▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▁▁0.790.981.010.980.930.950.950.890.780.380.680.640.620.610.710.710.640.710.730.670.580.620.630.550.450.490.480.460.40.420.410.320.340.30.310.250.180.170.140.080.05
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ████▇▇▇▇▇▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▄▄▄▄▃▄▄▃▃▃▃▃▂▂▂▁▁150615371552151614681481146614571395134613241308128712651338134413021304131212721205122112241164108410831075106310231034103310281015973984937880851817769737
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,rhi:RiskConsultingAndInternalAuditServices294NA299272252NA252234207214208197196201217198187195202181NANANANANANANA130NANANA110NANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,rhi:TemporaryAndConsultantStaffing1092NA111811021084NA108310871066102010049989879691016103210091007999979NANANANANANANA842NANANA829NANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService rhi:Accountemps▇███▇▇▇▇▆▂▂▁▁480486489486483483479480471446443439436NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService rhi:OfficeTeam▂▆▇▆▄█▇█▆▆▃▃▁239258265261252268265268261258246244236NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService rhi:RiskConsultingAndInternalAuditServices▇██▆▅▅▅▃▂▂▂▁▁294304299272252263252234207214208197196NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService rhi:RobertHalfManagementResources█▅▅▅▅▃▂▃▅▂▁▁▁189175177175177165162167173159158156157NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService rhi:RobertHalfTechnology███▇▅▅▆▅▂▁▁▁▁183185185179171174176171160156157157157NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService rhi:TemporaryAndConsultantStaffing▇▇█▇▆▇▆▆▅▃▂▂▁10921106111811021084109210831087106610201004998987NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostOfGoodsAndServicesSold ▇██▇▆▆▅▅▄▂▁▁895898905878860861855849822793778769NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:GrossProfit ▇███▇█▇▇▇▆▆▆▆▆▆▆▆▆▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▁▁610638646637607620610607572553546538525519552556531540549530494500505478438443437432410416415415402387391372338326309289268
us-gaap:SellingGeneralAndAdministrativeExpense ████▇▇▇▇▆▅▅▅▄▄▅▅▄▄▄▄▃▃▃▂▂▂▂▂▁▁▁▂▁479485483478461466459457437424414407400394406407398395390381365367366354336339333331320319321343322NA319311293NA271267255
us-gaap:OperatingIncomeLoss ▂▆█▇▅▆▆▆▃▂▂▂▁▁▅▆▃131153162159146153151149134128132130125124146149133NA1591491281331381231021041031008997947280NA726144NA3722NA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,rhi:RiskConsultingAndInternalAuditServices26NA392818NA2518152524161620281714273120NANANANANANANA8NANANA2NANANANANANANANANA
 us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,rhi:TemporaryAndConsultantStaffing93NA101105106NA102103968487939090971079799102104NANANANANANANA76NANANA51NANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax -13NA-102-1-6-3-15517104-130-47-4-76-19-10-1510-16-5-514-64-2-143NANANANANA
us-gaap:IncomeTaxExpenseBenefit ▃▃▄▃▂▃▂▃▃█▄▄▄▄▅▅▄▄▆▅▄▄▄▄▃▂▂▂▂▃▂▁▂414146453741364038814750464655575050625950495348403737373338362631NA282417NA16103
us-gaap:ComprehensiveIncomeNetOfTax ▅█▇█▇▇▇▆▇▂▆▆▅▄▆▆▆▆▆▆▃▄▄▅▄▄▄▃▃▃▄▂▃▂▁▂▁761181071161071071119310148919083648987918989965773697761657357505961385239294034NANANANA
us-gaap:NetIncomeLoss ▆███▇██▇▇▄▆▆▅▅▆▆▆▆▇▆▅▆▆▅▄▅▅▅▄▄▄▃▄▃▃▃▂▂▂▁▁8911211711410911311510996478480787790918393968977848575616666635558574548424436262420128
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▅███▇██▇▆▁▅▄▄▄▅▅▅▆▆▅▄▅▅▄▂▃▃▃▂▂▂891121171141091131151099647848078779091839396897784857561666663555857NA48NANANA26NANANA8
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ████▇▅▆▅▅▅▅▅▄▄▅▄▄▄▄▄▃▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁22742311231122392204190320341933189318671932183617751777187117831744170217151723163716471627158815031490147414281387138114061344130813111308130112901273NANANA
us-gaap:Liabilities ▇██▇▇▅▅▅▄▄▄▄▃▃▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▂▁▂▂▁▁▁11441167119911301127839915824779762793731694691777713699699708708652667654612571570575566533539570535492511516485450439NANANA
us-gaap:LiabilitiesAndStockholdersEquity ████▇▅▆▅▅▅▅▅▄▄▅▄▄▄▄▄▃▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁22742311231122392204190320341933189318671932183617751777187117831744170217151723163716471627158815031490147414281387138114061344130813111308130112901273NANANA
us-gaap:StockholdersEquity ██▇▇▇▆█▇▇▇█▇▇▇▇▇▆▅▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁▁▁▁▂▂11291143111111091077106311191109111411051139110410801086109410691044100310061014984979972975932919898861854842835809815800791816839834NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital███▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▂▂▂▂▁▁▁▁▁▂▂▂▂▃1141112711131102109010791097108610751064105310431032102210111000989979964953942928912899886868847829816798784770770759748758785787802797855
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁▂▂▂▂▂▃▃▃▃▃▄▄▄▄▄▅▅▅▅▅▅▅▅▆▆▆▆▆▆▆▆▇▇▇▇▇██115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0147000.0148000.0150000.0
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ███▇▇▆█▇▆▆▆▅▄▄▇▆▅▅▅▆▅▅▅▄▃▃▃▃▂▂▂▂▁▁▁▁▁▁16061628163115641532147316121504146814311437134712951284149314081380134313831397131613231314127311871172116611191076106411041040100610061004995984971NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▄▆▄▄▄█▅▅▅▇▅▃▃▅▂▁▁▃▆▃▄▅▅▄▄▄▃▂▄▅▃▂▄▂▃▄▆▆▅▇249270312269269276361308291294348297260260292238214224251313260287290307267275279246225287289258244279242261281315311290349
us-gaap:AccountsReceivableNetCurrent █████▇█▇▇▆▆▆▆▆▆▆▆▆▆▅▅▅▅▄▄▃▃▃▃▂▃▃▃▂▃▂▂▁853832852842826794834801784732737708700703742732734704731687661657657617587551566557547512556531523493516495466423NANANA
us-gaap:OtherAssetsCurrent ██▇▇▆▆▆▆▆▆▅▅▅▄▄▄▄▃▃▃▃▃▃▃▂▃▂▂▂▁▁▁▁▁▁▁▁▁503525465453436402416393391404351340335320301289286268258260265245239230220231207204199161151148149145141139137141NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
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us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▃▃▅██▇▇▇▆▆▆▆▅▅▅▄▄▄▄▄▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁571566630727716709697683675664658647640627621608597583588583570578573572574566555544546544536525517502506506NA491NANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
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us-gaap:LongTermDebtCurrent ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁▁▁▁▁▁▁00000000000000000000000000001000000000NANANA
us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent ▅▄▄▄▄▇▇▇▆▄▄▄▃▅▆▆▅▆▄▆▅█▅▄▅▅▅▄▄▅▅▄▂▃▃▂▂▁13712312612713116816716014612613212711713515615113914813415214117514212813713914412712713914112311011712011011093NANANA
us-gaap:AccruedIncomeTaxesCurrent ▄▁▂▃▅▃▂▄▂▂▅▇▄▂▃▂█▁▄▆▇▁▃1916152712917972339185129432202935013NANA0NANANANANANANANANANANANANANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebtNoncurrent ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█████████████████████00000000000000000111111111111111111111NANANA
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ██▇▇▇▆█▇▇▇█▇▇▇▇▇▆▅▅▅▅▅▅▅▄▄▃▂▂▂▂▁▁▁▁▁▂▂11291143111111091077106311191109111411051139110410801086109410691044100310061014984979972975932919898861854842835809815800791816839834NANANA
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital███▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▂▂▂▂▁▁▁▁▁▂▂▂▂▃1141112711131102109010791097108610751064105310431032102210111000989979964953942928912899886868847829816798784770770759748758785787802797855
 us-gaap:StockholdersEquity us-gaap:StatementEquityComponents us-gaap:CommonStock▁▁▁▂▂▂▂▂▃▃▃▃▃▄▄▄▄▄▅▅▅▅▅▅▅▅▆▆▆▆▆▆▆▆▇▇▇▇▇██115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0147000.0148000.0150000.0
us-gaap:CommonStockValue ▁▁▁▂▂▂▂▃▃▃▃▃▄▄▄▄▄▄▅▅▅▅▆▆▆▆▆▆▆▆▇▇▇▇▇███115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0NANANA
us-gaap:AdditionalPaidInCapital ███▇▇▇▇▇▇▇▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▂▂▂▂▁▁▁▁▁▂▂1141112711131102109010791097108610751064105310431032102210111000989979964953942928912899886868847829816798784770770759748758785787NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▃▄▃▃▁▁▃▃▃▄█▆▆██▇▅▄▅▆▅▄▄▄▁▂▂223623224031293037846664849074573447594736343561311NANA08NA0000NA0NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▁▂▂▂▂▂▃▃▄▄▄▃▂▂▃▃▃▃▃▄▃▅▅▇▆▆▇▆▆▇▇▆▇▇▇██▇-33-19-25-15-18-16-9-6931-5-15-20-7-6-2-10-61-51425403838393238434238444043585447NANANA
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▂█▄▄▄█▆▄▁1248019112012712318514711664NANANANANANANANANANANANANANANA9881102279775NA23NANANA18NANANA14
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃▅▅▆▁███▅-28-28-25-24-23-33-18-18-18-24NANANANANANANANANANANANANANANA-27-18-14-37-29-13NA-11NANANA-15NANANA-7
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  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▂█▄▄▄█▆▄▁1248019112012712318514711664NANANANANANANANANANANANANANANA9881102279775NA23NANANA18NANANA14
us-gaap:NetIncomeLoss ▆███▇██▇▇▄▆▆▅▅▆▆▆▆▇▆▅▆▆▅▄▅▅▅▄▄▄▃▄▃▃▃▂▂▂▁▁8911211711410911311510996478480787790918393968977848575616666635558574548424436262420128
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▅███▇██▇▆▁▅▄▄▄▅▅▅▆▆▅▄▅▅▄▂▃▃▃▂▂▂891121171141091131151099647848078779091839396897784857561666663555857NA48NANANA26NANANA8
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▄▃▄▄█▂▁▄▇▂▂█▃▄▃▇▄▃▃▇▃▃▄▅▃▂▂▆▄▃1202116-7-9114-6-717-12-3122-1013-2037-2-5-594-1NA5NANANA1NANANA-9
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▃▃▅▅▆▁███▅-28-28-25-24-23-33-18-18-18-24NANANANANANANANANANANANANANANA-27-18-14-37-29-13NA-11NANANA-15NANANA-7
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▄▄▄▃▄▂▂▁▃▁▂▂▅▅▇▅█▅▄▃█▃▂▃▆▃▂▁▄▂141416151215997127101019192418261816132613101221131181411NA10NANANA14NANANA8
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▇█▆█▇▁▆▇▇█-110-99-116-97-110-170-112-103-103-94NANANANANANANANANANANANANANANA-74-34-61-49-70-34NA-48NANANA-41NANANA-19
us-gaap:PaymentsOfDividends █▆▆▇▇▆▆▆▆▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▂▁▁40353536373333343429293030282829282726262724242424232121222120NA21NANANA20NANANA19
us-gaap:PaymentsOfDividends █▆▆▇▇▆▆▆▆▄▄▄▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▂▁▁40353536373333343429293030282829282726262724242424232121222120NA21NANANA20NANANA19
us-gaap:PaymentsForRepurchaseOfCommonStock ▄▄▅▄▄█▅▄▄▄▂▃▅▃▃▂▂▄▆▃▃▂▃▂▂▄▁▂▃▃▁696380617213778696864384880494441406996455929593035612040455916NA56NANANA30NANANA3
  2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0149000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

Shares Issued

us-gaap:StatementEquityComponents

us-gaap:SharesIssued

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value114115116117118119121122123124125126127127128130131131132134135135135137137137138138139139140141142142142144146146147147149148150158
Percentage of SharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value114115116117118119121122123124125126127127128130131131132134135135135137137137138138139139140141142142142144146146148
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value114115116117118119121122123124125126127127128130131131132134135135135137137137138138139139140141142142142144146146148
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value113115116117121122122124125126128129130132133134135135136137137138139139140140142144143144145
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value113115116117120121121123124125127128129131132133134134135135136137137138139139141142142143144
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.790.991.020.980.940.960.960.90.790.380.690.640.630.610.710.710.650.710.740.680.590.630.640.560.450.490.490.460.410.430.420.330.340.30.310.250.180.170.140.080.05
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.790.981.010.980.930.950.950.890.780.380.680.640.620.610.710.710.640.710.730.670.580.620.630.550.450.490.480.460.40.420.410.320.340.30.310.250.180.170.140.080.05
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value150615371552151614681481146614571395134613241308128712651338134413021304131212721205122112241164108410831075106310231034103310281015973984937880851817769737
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rhi:PermanentPlacementStaffing



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value120134140131129135121111111112103941051131061011101109089
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.79.39.08.89.38.78.38.48.68.07.57.98.48.27.88.48.78.58.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.79.39.08.89.38.78.38.48.68.07.57.98.48.27.88.48.78.58.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments rhi:PermanentPlacementStaffing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, rhi:RiskConsultingAndInternalAuditServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value294299272252252234207214208197196201217198187195202181130110
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.519.318.017.217.216.114.915.915.715.115.215.916.214.814.414.915.414.312.310.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.519.318.017.217.216.114.915.915.715.115.215.916.214.814.414.915.414.312.310.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments rhi:RiskConsultingAndInternalAuditServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, rhi:TemporaryAndConsultantStaffing



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value1092111811021084108310871066102010049989879691016103210091007999979842829
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.572.172.773.973.974.776.475.875.976.376.776.675.976.877.577.376.277.079.280.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.572.172.773.973.974.776.475.875.976.376.776.675.976.877.577.376.277.079.280.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments rhi:TemporaryAndConsultantStaffing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductOrService

rhi:Accountemps



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value480486489486483483479480471446443439436
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.931.631.532.132.932.632.733.033.833.133.533.633.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.931.631.532.132.932.632.733.033.833.133.533.633.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:Accountemps100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:OfficeTeam



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value239258265261252268265268261258246244236
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.916.817.117.217.218.118.118.418.719.218.618.718.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax15.916.817.117.217.218.118.118.418.719.218.618.718.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:OfficeTeam100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:PermanentPlacementStaffing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value120126134140131125129135121111111112103
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.28.79.39.08.58.89.38.78.38.48.68.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.08.28.79.39.08.58.89.38.78.38.48.68.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:PermanentPlacementStaffing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:RiskConsultingAndInternalAuditServices



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value294304299272252263252234207214208197196
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.519.819.318.017.217.817.216.114.915.915.715.115.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax19.519.819.318.017.217.817.216.114.915.915.715.115.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:RiskConsultingAndInternalAuditServices100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:RobertHalfManagementResources



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value189175177175177165162167173159158156157
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.611.411.411.612.111.211.111.512.411.811.912.012.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.611.411.411.612.111.211.111.512.411.811.912.012.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:RobertHalfManagementResources100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:RobertHalfTechnology



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value183185185179171174176171160156157157157
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.212.111.911.811.711.812.011.811.511.711.912.112.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax12.212.111.911.811.711.812.011.811.511.711.912.112.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:RobertHalfTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:TemporaryAndConsultantStaffing



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value10921106111811021084109210831087106610201004998987
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.572.072.172.773.973.773.974.776.475.875.976.376.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.572.072.172.773.973.773.974.776.475.875.976.376.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax rhi:TemporaryAndConsultantStaffing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value895898905878860861855849822793778769
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax59.558.458.458.058.658.258.458.359.058.958.858.8

Cost Of Services

Gross Profit

us-gaap:GrossProfit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value610638646637607620610607572553546538525519552556531540549530494500505478438443437432410416415415402387391372338326309289268
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax40.541.641.642.041.441.841.641.741.041.141.241.240.841.041.341.440.841.441.941.741.041.041.341.140.440.940.740.640.140.340.240.439.639.839.839.738.438.437.837.736.4

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value479485483478461466459457437424414407400394406407398395390381365367366354336339333331320319321343322319311293271267255
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax31.831.631.231.531.431.531.331.431.431.531.331.231.131.230.330.330.630.329.830.030.430.130.030.531.031.331.031.231.330.931.133.431.732.533.233.333.334.834.7

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value13115316215914615315114913412813213012512414614913315914912813313812310210410310089979472807261443722
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.710.010.510.510.010.410.310.39.69.610.010.09.89.910.911.110.312.111.710.610.911.310.69.49.69.79.58.79.49.17.07.97.36.55.04.52.9

us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, rhi:PermanentPlacementStaffing



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value1021252122272218192118132024211724241518
Percentage of OperatingIncomeLoss8.313.415.914.715.118.416.714.315.116.114.610.913.916.416.10.015.316.115.425.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.71.41.71.51.61.91.61.41.51.61.41.11.51.81.71.31.91.91.51.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments rhi:PermanentPlacementStaffing9.116.218.016.417.720.318.416.517.918.717.714.419.321.720.217.322.021.817.120.6

us-gaap:OperatingSegments, rhi:RiskConsultingAndInternalAuditServices



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value26392818251815252416162028171427312082
Percentage of OperatingIncomeLoss20.224.318.112.816.912.411.420.118.612.713.516.219.311.910.80.019.913.78.72.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.82.61.91.31.71.31.11.91.91.31.31.62.11.31.12.12.41.60.80.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments rhi:RiskConsultingAndInternalAuditServices9.013.310.67.410.17.97.412.111.88.48.610.013.09.07.814.015.711.36.71.8

us-gaap:OperatingSegments, rhi:TemporaryAndConsultantStaffing



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302013-06-302012-06-30
Value931011051061021039684879390909710797991021047651
Percentage of OperatingIncomeLoss71.562.366.072.568.069.372.065.766.371.272.072.966.871.773.10.064.770.176.071.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.26.56.97.27.07.16.96.36.67.17.07.27.38.07.57.67.88.27.25.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments rhi:TemporaryAndConsultantStaffing8.69.19.59.89.59.59.18.38.79.39.29.49.610.49.79.910.310.79.16.2

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

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-13-102-1-6-3-15517104-130-47-4-76-19-10-1510-16-5-514-64-2-143
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.9-0.60.1-0.1-0.4-0.2-1.10.40.10.50.80.4-1.0-0.1-0.30.6-0.3-0.60.5-1.7-0.8-1.20.20.0-0.10.6-0.5-0.60.10.4-0.60.4-0.3-1.50.4

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

Income Loss From Continuing Operations Before Income Taxes Domestic

Income Loss From Continuing Operations Before Income Taxes Foreign

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value41414645374136403881475046465557505062595049534840373737333836263128241716103
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.82.73.03.02.62.82.52.82.86.13.63.93.63.74.24.33.93.94.84.74.24.04.34.23.73.43.53.53.33.73.62.63.12.82.72.02.01.30.5

Income Taxes Paid Net

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value761181071161071071119310148919083648987918989965773697761657357505961385239294034
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax5.17.76.97.77.37.27.66.47.33.66.96.96.55.16.76.57.06.96.87.64.86.05.76.65.76.16.85.44.95.86.03.85.24.13.04.33.9

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8911211711410911311510996478480787790918393968977848575616666635558574548424436262420128
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.37.57.67.57.77.97.56.93.56.46.16.16.16.86.86.47.27.47.16.56.97.06.55.76.26.25.95.55.75.64.44.84.44.53.93.02.92.51.61.1

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value89112117114109113115109964784807877909183939689778485756166666355585748268
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.37.57.67.57.77.97.56.93.56.46.16.16.16.86.86.47.27.47.16.56.97.06.55.76.26.25.95.55.75.64.83.01.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

Net Income Loss Available To Common Stockholders Diluted

Assets

us-gaap:Assets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value227423112311223922041903203419331893186719321836177517771871178317441702171517231637164716271588150314901474142813871381140613441308131113081301129012731283
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11441167119911301127839915824779762793731694691777713699699708708652667654612571570575566533539570535492511516485450439383
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.350.551.950.551.144.145.042.641.140.841.039.939.138.941.540.040.141.141.341.139.940.540.238.638.038.339.139.738.439.040.639.837.739.039.537.334.934.529.9

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value227423112311223922041903203419331893186719321836177517771871178317441702171517231637164716271588150314901474142813871381140613441308131113081301129012731283
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11291143111111091077106311191109111411051139110410801086109410691044100310061014984979972975932919898861854842835809815800791816839834899
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.749.548.149.548.955.955.057.458.959.259.060.160.961.158.560.059.958.958.758.960.159.559.861.462.061.760.960.361.661.059.460.262.361.060.562.765.165.570.1

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-33-19-25-15-18-16-9-6931-5-15-20-7-6-2-10-61-51425403838393238434238444043585447473040453468
Percentage of StockholdersEquity-3.0-1.7-2.3-1.4-1.7-1.5-0.9-0.60.80.30.1-0.5-1.4-1.9-0.7-0.6-0.2-1.0-0.60.1-0.51.52.64.14.14.14.43.84.45.25.14.85.55.15.57.16.55.60.00.00.05.10.00.0
Percentage of Assets-1.5-0.9-1.1-0.7-0.8-0.8-0.5-0.30.50.20.1-0.3-0.9-1.2-0.4-0.4-0.1-0.6-0.40.1-0.30.91.52.52.62.62.72.32.73.23.02.93.43.13.34.54.23.70.00.00.03.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1141112711131102109010791097108610751064105310431032102210111000989979964953942928912899886868847829816798784770770759748758785787802797855854949915
Percentage of StockholdersEquity101.098.6100.299.4101.2101.598.197.996.496.392.494.595.594.192.493.694.797.695.994.095.794.793.992.295.194.494.396.295.594.893.895.294.594.994.592.993.594.30.00.00.094.90.00.0
Percentage of Assets50.248.848.249.249.556.753.956.256.857.054.556.858.157.554.056.156.757.556.355.457.656.356.156.659.058.357.558.058.857.855.857.358.957.957.258.360.861.80.00.00.066.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0147000.0148000.0150000.0149000.0151000.0158000.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302011-12-31
Value2236232240312930378466648490745734475947363435613110080
Percentage of StockholdersEquity2.03.22.12.10.40.02.82.62.73.47.46.05.97.88.37.05.53.44.75.94.83.83.53.60.71.41.30.00.01.00.0
Percentage of Assets1.01.61.01.00.20.01.51.51.62.04.43.63.64.84.84.23.32.02.83.52.92.22.12.20.50.90.80.00.00.60.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value16061628163115641532147316121504146814311437134712951284149314081380134313831397131613231314127311871172116611191076106411041040100610061004995984971922
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets70.670.570.669.969.577.479.277.877.576.774.473.473.072.279.879.079.178.980.781.180.480.380.880.279.078.779.178.477.677.178.577.476.976.776.876.476.376.371.9

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value249270312269269276361308291294348297260260292238214224251313260287290307267275279246225287289258244279242261281315311290349365354310
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.011.713.512.012.214.517.816.015.415.818.016.214.714.615.613.412.313.214.718.215.917.417.919.417.818.519.017.316.220.820.619.218.721.318.520.121.824.70.00.00.028.50.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value853832852842826794834801784732737708700703742732734704731687661657657617587551566557547512556531523493516495466423362
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets37.536.036.937.637.541.741.041.541.439.238.238.639.539.639.741.142.141.442.739.940.439.940.438.939.137.038.439.039.537.139.639.640.037.639.438.136.133.228.2

Other Assets Current

us-gaap:OtherAssetsCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value503525465453436402416393391404351340335320301289286268258260265245239230220231207204199161151148149145141139137141142
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.122.720.120.219.821.220.520.420.721.718.218.618.918.016.116.216.415.815.115.116.214.914.714.514.715.614.014.314.411.710.811.111.411.110.810.710.711.111.1

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value697695756855841834822813812809805801798789782765745726717708690700683681686678658646649651641631622610613613594
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets30.730.132.738.238.243.840.442.142.943.341.743.645.044.441.842.942.742.741.941.142.242.542.042.945.745.644.745.346.847.245.647.047.646.546.947.246.7

us-gaap:PropertyPlantAndEquipmentByType

rhi:ComputerHardware



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value166164170183180177173170171171170
Percentage of PropertyPlantAndEquipmentGross23.923.722.621.421.421.221.021.021.121.221.6
Percentage of Assets7.37.17.48.28.29.38.58.89.19.29.6
Percentage of Assets rhi:ComputerHardware0.00.00.00.00.00.00.00.00.00.00.0

rhi:ComputerSoftware



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value292291288378379378379378377376374
Percentage of PropertyPlantAndEquipmentGross42.042.038.244.345.145.446.246.546.546.547.4
Percentage of Assets12.912.612.516.917.219.918.719.620.020.221.1
Percentage of Assets rhi:ComputerSoftware0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value8888113112109107105102102102100
Percentage of PropertyPlantAndEquipmentGross12.612.715.113.213.012.912.812.712.712.712.7
Percentage of Assets3.93.84.95.04.95.65.25.35.45.55.7
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value150150171168161160154151150148133
Percentage of PropertyPlantAndEquipmentGross21.521.722.719.719.219.218.818.618.518.416.9
Percentage of Assets6.66.57.47.57.38.47.67.87.98.07.5
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value571566630727716709697683675664658647640627621608597583588583570578573572574566555544546544536525517502506506491
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.124.527.332.532.537.334.335.435.735.634.135.336.135.333.234.134.234.334.333.934.835.135.336.038.238.037.738.139.439.438.139.139.638.338.738.938.6

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value126128126127125125125130136144146153157161161157147142129124120121109109111112102101103107105105104107106107106103124
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.65.65.55.75.76.66.26.77.27.87.68.48.99.18.68.88.58.47.57.27.47.46.76.97.47.67.07.17.47.87.57.88.08.28.18.28.28.19.7

Goodwill

us-gaap:Goodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value209210209210210209210210210210210210209209209210209208197198198199200200200200201200200201190190189189189190190189189
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.29.19.19.49.511.010.310.911.111.310.911.511.811.811.211.812.012.211.511.512.112.112.312.613.313.513.614.014.514.613.614.214.514.414.514.614.814.914.8

us-gaap:StatementBusinessSegments

rhi:PermanentPlacementStaffing



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2526262626262626262626262626
Percentage of Goodwill12.412.412.412.412.412.412.412.613.313.213.214.014.014.0
Percentage of Assets1.11.11.11.21.41.41.51.51.61.81.92.02.12.1
Percentage of Assets rhi:PermanentPlacementStaffing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

rhi:RiskConsultingAndInternalAuditServices



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4950495049504949393939282827
Percentage of Goodwill23.723.823.823.823.723.823.823.619.619.719.915.015.114.8
Percentage of Assets2.22.22.22.22.62.72.82.92.42.72.92.22.22.2
Percentage of Assets rhi:RiskConsultingAndInternalAuditServices0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

rhi:TemporaryAndConsultantStaffing



Period End2020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value133134133134134134133133133134134134134134
Percentage of Goodwill63.963.863.863.863.963.863.863.867.267.166.971.070.971.2
Percentage of Assets5.95.85.86.07.07.27.57.88.19.09.810.310.610.5
Percentage of Assets rhi:TemporaryAndConsultantStaffing0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11222333445633344400000112000000000
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.20.20.20.20.30.30.30.20.20.20.20.20.30.00.00.00.00.10.10.10.20.00.00.00.00.00.00.00.00.0

Deferred Tax Assets Liabilities Net

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value913940977909900819896808764747778719682679729668655655664663607623623580537535551534499501532496454473483453420408366
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.240.742.340.640.943.144.041.840.440.040.339.238.538.239.037.537.638.538.738.537.137.838.336.635.836.037.437.436.036.337.936.934.836.136.934.832.632.128.6

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value000000000000000000000000000010000000000
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.00.00.00.00.00.00.00.00.00.0

Accounts Payable And Accrued Liabilities Current

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13712312612713116816716014612613212711713515615113914813415214117514212813713914412712713914112311011712011011093101
Percentage of AccountsPayableAndAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.05.45.55.76.08.88.28.37.76.86.87.06.67.68.38.58.08.77.98.98.710.68.88.19.29.49.88.99.210.110.19.28.49.09.28.58.67.47.9

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value19161527129179723391851294322029350130
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0
Percentage of Assets0.90.10.30.71.20.70.50.90.50.41.22.21.00.30.60.62.50.11.21.72.10.00.80.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value000000000000000001111111111111111111111
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Deferred Tax Liabilities Noncurrent

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value262421202019181414131311101046444342434343422930323322303236363736363130282914
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.10.90.90.91.00.90.80.70.70.70.60.60.62.52.52.52.52.52.52.72.61.81.92.22.21.52.12.42.62.62.82.82.82.42.32.22.31.2

Stockholders Equity

us-gaap:StockholdersEquity



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11291143111111091077106311191109111411051139110410801086109410691044100310061014984979972975932919898861854842835809815800791816839834899
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets49.749.548.149.548.955.955.057.458.959.259.060.160.961.158.560.059.958.958.758.960.159.559.861.462.061.760.960.361.661.059.460.262.361.060.562.765.165.570.1

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-33-19-25-15-18-16-9-6931-5-15-20-7-6-2-10-61-51425403838393238434238444043585447473040453468
Percentage of StockholdersEquity-3.0-1.7-2.3-1.4-1.7-1.5-0.9-0.60.80.30.1-0.5-1.4-1.9-0.7-0.6-0.2-1.0-0.60.1-0.51.52.64.14.14.14.43.84.45.25.14.85.55.15.57.16.55.60.00.00.05.10.00.0
Percentage of Assets-1.5-0.9-1.1-0.7-0.8-0.8-0.5-0.30.50.20.1-0.3-0.9-1.2-0.4-0.4-0.1-0.6-0.40.1-0.30.91.52.52.62.62.72.32.73.23.02.93.43.13.34.54.23.70.00.00.03.60.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1141112711131102109010791097108610751064105310431032102210111000989979964953942928912899886868847829816798784770770759748758785787802797855854949915
Percentage of StockholdersEquity101.098.6100.299.4101.2101.598.197.996.496.392.494.595.594.192.493.694.797.695.994.095.794.793.992.295.194.494.396.295.594.893.895.294.594.994.592.993.594.30.00.00.094.90.00.0
Percentage of Assets50.248.848.249.249.556.753.956.256.857.054.556.858.157.554.056.156.757.556.355.457.656.356.156.659.058.357.558.058.857.855.857.358.957.957.258.360.861.80.00.00.066.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0147000.0148000.0150000.0149000.0151000.0158000.0
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302011-12-31
Value2236232240312930378466648490745734475947363435613110080
Percentage of StockholdersEquity2.03.22.12.10.40.02.82.62.73.47.46.05.97.88.37.05.53.44.75.94.83.83.53.60.71.41.30.00.01.00.0
Percentage of Assets1.01.61.01.00.20.01.51.51.62.04.43.63.64.84.84.23.32.02.83.52.92.22.12.20.50.90.80.00.00.60.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value115000.0115000.0116000.0118000.0118000.0119000.0121000.0122000.0124000.0124000.0125000.0126000.0127000.0128000.0129000.0130000.0131000.0131000.0133000.0134000.0135000.0135000.0136000.0137000.0137000.0137000.0138000.0139000.0140000.0139000.0141000.0142000.0142000.0142000.0143000.0145000.0147000.0146000.0149000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1141112711131102109010791097108610751064105310431032102210111000989979964953942928912899886868847829816798784770770759748758785787854
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets50.248.848.249.249.556.753.956.256.857.054.556.858.157.554.056.156.757.556.355.457.656.356.156.659.058.357.558.058.857.855.857.358.957.957.258.360.861.866.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value22362322403129303784666484907457344759473634356131108000000
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.00.0
Percentage of Assets1.01.61.01.00.20.01.51.51.62.04.43.63.64.84.84.23.32.02.83.52.92.22.12.20.50.90.80.00.60.00.00.00.00.00.0

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-33-19-25-15-18-16-9-6931-5-15-20-7-6-2-10-61-5142540383839323843423844404358544745
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-1.5-0.9-1.1-0.7-0.8-0.8-0.5-0.30.50.20.1-0.3-0.9-1.2-0.4-0.4-0.1-0.6-0.40.1-0.30.91.52.52.62.62.72.32.73.23.02.93.43.13.34.54.23.73.6

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value12480191120127123185147116649881102279775231814
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.35.212.38.08.78.312.610.18.34.89.17.59.62.79.57.42.32.22.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-28-28-25-24-23-33-18-18-18-24-27-18-14-37-29-13-11-15-7
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-1.9-1.7-1.6-1.6-2.3-1.2-1.3-1.3-1.8-2.5-1.7-1.4-3.7-2.9-1.3-1.2-1.8-1.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-110-99-116-97-110-170-112-103-103-94-74-34-61-49-70-34-48-41-19
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.3-6.5-7.5-6.4-7.5-11.5-7.6-7.1-7.4-7.0-6.9-3.2-5.8-4.8-6.8-3.3-4.8-4.7-2.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value12480191120127123185147116649881102279775231814
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.35.212.38.08.78.312.610.18.34.89.17.59.62.79.57.42.32.22.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8911211711410911311510996478480787790918393968977848575616666635558574548424436262420128
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.37.57.67.57.77.97.56.93.56.46.16.16.16.86.86.47.27.47.16.56.97.06.55.76.26.25.95.55.75.64.44.84.44.53.93.02.92.51.61.1

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value89112117114109113115109964784807877909183939689778485756166666355585748268
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax6.07.37.57.67.57.77.97.56.93.56.46.16.16.16.86.86.47.27.47.16.56.97.06.55.76.26.25.95.55.75.64.83.01.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1202116-7-9114-6-717-12-3122-1013-2037-2-5-594-151-9
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-28-28-25-24-23-33-18-18-18-24-27-18-14-37-29-13-11-15-7
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-1.9-1.9-1.7-1.6-1.6-2.3-1.2-1.3-1.3-1.8-2.5-1.7-1.4-3.7-2.9-1.3-1.2-1.8-1.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value14141615121599712710101919241826181613261310122113118141110148
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-110-99-116-97-110-170-112-103-103-94-74-34-61-49-70-34-48-41-19
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.3-6.5-7.5-6.4-7.5-11.5-7.6-7.1-7.4-7.0-6.9-3.2-5.8-4.8-6.8-3.3-4.8-4.7-2.7

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value40353536373333343429293030282829282726262724242424232121222120212019
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value40353536373333343429293030282829282726262724242424232121222120212019
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value69638061721377869686438488049444140699645592959303561204045591656303
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Debt Instrument Interest Rate Stated Percentage

Effective Income Tax Rate Continuing Operations

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

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

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

Share Based Compensation

Deferred Tax Liabilities

Deferred Tax Assets Net

Unrecognized Tax Benefits

Deferred Tax Assets Valuation Allowance

Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2412412412400
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.00.0

Cash And Cash Equivalents Period Increase Decrease

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value249270312269269276361308291294260
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:AmortizationOfCloudComputingImplementationCosts



Period End2020-03-312019-03-31
Value30
Percentage of AmortizationOfCloudComputingImplementationCosts100.00.0

rhi:CommonStockRepurchasedShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value001102111101111101100010000101010
Percentage of CommonStockRepurchasedShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:CommonStockRepurchasedValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value5159795951136787560593647535046372867815028456021332028392933262929
Percentage of CommonStockRepurchasedValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:ContractwithCustomerLiabilityOtherIncludingTranslationAdjustments



Period End2020-03-312019-03-31
Value01
Percentage of ContractwithCustomerLiabilityOtherIncludingTranslationAdjustments100.0100.0

rhi:DeferredCompensationPlanUnrealizedGainLoss



Period End2020-03-312019-03-31
Value-4823
Percentage of DeferredCompensationPlanUnrealizedGainLoss100.0100.0

rhi:IncreaseDecreaseInAccruedPayrollAndBenefitCost



Period End2020-03-312019-03-31
Value-413
Percentage of IncreaseDecreaseInAccruedPayrollAndBenefitCost100.0100.0

rhi:PaymentsForEmployeeDeferredCompensationPlan



Period End2020-03-312019-03-31
Value3727
Percentage of PaymentsForEmployeeDeferredCompensationPlan100.0100.0

rhi:StockRepurchasedUnderEmployeeStockPlanDuringPeriodShares



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value280000.088000.07000.00.0257000.081000.07000.00.0147000.097000.06000.01000.0304000.091000.07000.0202000.059000.0279000.01000.03000.0191000.0197000.014000.012000.0239000.0559000.0107000.038000.0453000.0642000.039000.0909000.045000.0
Percentage of StockRepurchasedUnderEmployeeStockPlanDuringPeriodShares100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:StockRepurchasedUnderEmployeeStockPlanDuringPeriodValue



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-31
Value1250016400850014407213001111009224115191261
Percentage of StockRepurchasedUnderEmployeeStockPlanDuringPeriodValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:StockRepurchasesAwaitingSettlement



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value000-1740600-1-125143-155112-88
Percentage of StockRepurchasesAwaitingSettlement0.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvertisingExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value141213141212121413131212111112121110111111111199999910101191110999
Percentage of AdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfIntangibleAssets



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value338000.0339000.0339000.0341000.0342000.0371000.0429000.0442000.0463000.0416000.0481000.0365000.0301000.0309000.0326000.0314000.0288000.0192000.00.00.00.00.00.0224000.0333000.0400000.0433000.0434000.0433000.0211000.0100000.052000.035000.039000.040000.039000.046000.046000.0269000.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-20-42430-6-855316-2
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.340.309999999999999940.310.310.310.280000000000000140.280.280.280.240.240.240.240.219999999999999970.220000000000000030.220.220.200000000000000070.199999999999999960.20.20.179999999999999940.180000000000000050.180.180.160000000000000030.159999999999999980.160.160.14999999999999997
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value0.340.309999999999999940.310.310.310.280000000000000140.280.280.280.240.240.240.240.219999999999999970.220.220.220.200000000000000070.20.20.20.179999999999999940.180.180.180.160000000000000030.160.160.160.149999999999999970.150.150.150.140.140.140.130.130.13
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-04-302020-02-122019-11-062019-08-012019-05-022019-02-122018-10-302018-07-312018-05-012017-10-312017-08-01
Value0.340.340.310.310.310.310.280.280.280.240.24
Percentage of CommonStockDividendsPerShareDeclared0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized



Period End2020-03-312019-03-31
Value1213
Percentage of ContractWithCustomerLiabilityChangeInTimeframePerformanceObligationSatisfiedRevenueRecognized100.0100.0

us-gaap:ContractWithCustomerLiabilityRevenueRecognized



Period End2020-03-312019-03-31
Value1012
Percentage of ContractWithCustomerLiabilityRevenueRecognized100.0100.0

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value120-7-75-71-11157-13-10106-6-10-1-5-987-8-5210-10-9-44-5-1-7-6
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedContributionPlanCostRecognized



Period End2020-03-312019-03-31
Value53
Percentage of DefinedContributionPlanCostRecognized100.0100.0

us-gaap:Depreciation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value15151616151515161616161515161615151312131312121112121111111212121214
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCash



Period End2020-03-312019-03-31
Value3936
Percentage of DividendsCash100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312010-03-31
Value393536363633434343030303028282828262626272424242422222210134
Percentage of DividendsCash100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-65-510-3-1-83
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillForeignCurrencyTranslationGainLoss



Period End2020-03-312019-09-30
Value-861000.0-264000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss100.0100.0

us-gaap:StatementBusinessSegments

rhi:PermanentPlacementStaffing



Period End2020-03-312019-09-30
Value-99000.0-44000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss11.516.7

rhi:RiskConsultingAndInternalAuditServices



Period End2020-03-312019-09-30
Value-398000.0-56000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss46.221.2

rhi:TemporaryAndConsultantStaffing



Period End2020-03-312019-09-30
Value-364000.0-164000.0
Percentage of GoodwillForeignCurrencyTranslationGainLoss42.362.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13115416316014715415115013412913213012512414614913314415914912813313812310210310310089979472807272614443372212
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value18-10882151-42853213-17657-7-395142-35-23352-2304045-1410448-25-222-37-6-18
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value36-23211535-32383049-4250-4-2310325-2052212211542938-1361242-4724283816
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value20-12-11-121710-17927-41-162127-202-3242-14-6437-205031-22-4-1531-21-126208
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense



Period End2020-03-312019-03-31
Value104
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0

us-gaap:InterestIncomeExpenseNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value011111110000000000000000000000000000000
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NumberOfReportableSegments



Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.00.00.00.03.0
Percentage of NumberOfReportableSegments100.00.00.00.0100.0

us-gaap:OperatingLeaseExpense



Period End2020-03-312019-09-302019-06-302019-03-31
Value19191716
Percentage of OperatingLeaseExpense100.0100.0100.0100.0

us-gaap:OperatingLeasePayments



Period End2020-03-312019-03-31
Value2016
Percentage of OperatingLeasePayments100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent



Period End2020-03-312019-03-31
Value-13-1
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome



Period End2020-03-312019-03-31
Value-13-1
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities



Period End2020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-2298101889101281049655865778455532922110
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value4321234212111501143123213130203211
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfDebt



Period End2020-03-312019-03-31
Value53000.049000.0
Percentage of RepaymentsOfDebt100.0100.0

us-gaap:RestrictedStockExpense



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1313111111111111101110109910111010101081010108101098101081214
Percentage of RestrictedStockExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability



Period End2020-03-312019-03-31
Value1410
Percentage of RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value0000000000000000000000000000000011
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value-1000.00.00.0-1000.00.00.00.00.0-1000.00.00.00.0-1000.00.00.00.0-1000.00.00.00.0-1000.00.00.00.0-1000.00.00.00.0-1000.00.00.0-1000.0-1000.0-1000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.00.00.0100.00.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.0100.0100.0100.0

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1000.00.00.01000.00.00.00.00.01000.00.00.00.01000.00.00.00.01000.00.00.00.01000.00.00.00.01000.00.00.00.01000.00.00.01000.01000.01000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures-100.00.00.0-100.00.00.00.00.0-100.00.00.00.0-100.00.00.00.0-100.00.00.00.0-100.00.00.00.0-100.00.00.00.0-100.00.00.0-100.0-100.0-100.0

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation



Period End2020-03-312019-03-31
Value1311
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0

us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1313111111111111101110109910111010101081010108101098101081214
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodShares

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-03-312011-03-312010-03-31
Value1111121111011111011000101101111-1-10
Percentage of StockRepurchasedAndRetiredDuringPeriodShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue



Period End2020-03-312019-03-31
Value6368
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1000.01000.02000.01000.01000.02000.01000.02000.01000.01000.01000.01000.02000.01000.01000.01000.01000.02000.01000.01000.01000.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6364805968141787568643647685546453180815040
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.00.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value000010000000011111011111101101
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rhi:CapitalizedComputerSoftwareInternalUseDevelopmentCosts



Period End2020-03-312019-12-312019-03-312018-12-312017-12-31
Value1335539
Percentage of CapitalizedComputerSoftwareInternalUseDevelopmentCosts100.0100.0100.0100.0100.0

us-gaap:RetirementPlanTaxStatus

rhi:DeferredCompensationPlanAssetsCurrent

us-gaap:NonqualifiedPlan



Period End2020-03-312019-12-312018-12-31
Value363398311
Percentage of DeferredCompensationPlanAssetsCurrent100.0100.0100.0

us-gaap:AccruedPayrollTaxesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value36213514372340164126361330241914212524282426252626342428234427263263373856
Percentage of AccruedPayrollTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedSalariesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value254280331290261263311268239256274245238243276245214240261233194213314288240238247239198196219203185181194176153
Percentage of AccruedSalariesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable



Period End2020-03-312020-01-012019-12-31
Value262322
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0

us-gaap:AssetsHeldInTrustCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3633983703603453113323153022922772642522362282162071981881881821721741611551491411321299795919187848582
Percentage of AssetsHeldInTrustCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractWithCustomerLiability



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value15129910128889
Percentage of ContractWithCustomerLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredCompensationLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value373421386371352333348326310312291273257252237221209212194191184181999897969493919289888687848380
Percentage of DeferredCompensationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanTaxStatus

us-gaap:NonqualifiedPlan



Period End2020-03-312019-12-312018-12-31
Value373421333
Percentage of DeferredCompensationLiabilityCurrent100.0100.0100.0

us-gaap:TitleOfIndividual, us-gaap:RetirementPlanTaxStatus

srt:ChiefExecutiveOfficer, us-gaap:NonqualifiedPlan



Period End2020-03-312019-12-312018-12-31
Value919189
Percentage of DeferredCompensationLiabilityCurrent24.621.826.7

us-gaap:DeferredIncomeTaxAssetsNet



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value88101100938591838574
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value684743773696670638718630608612621551546539561506472504508481430448468441392396397391343361366346330355342323297314265
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value71717070710
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.00.0

us-gaap:OperatingLeaseLiabilityNoncurrent



Period End2020-03-312019-12-312019-09-302019-06-302018-12-31
Value2042012001990
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.00.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent



Period End2020-03-312019-12-31
Value0.0290.03
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherAssetsMiscellaneousCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value474294929090837888112737682847372787069718273656965826571706356565857565359
Percentage of OtherAssetsMiscellaneousCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent



Period End2020-03-312019-12-312018-12-31
Value928452
Percentage of PrepaidExpenseCurrent100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value112817694845884100
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:WorkersCompensationLiabilityCurrent



Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value20192019181819181717191819192726272528272726282727263130302829272524262424
Percentage of WorkersCompensationLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService


us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents


us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType


us-gaap:Goodwill us-gaap:StatementBusinessSegments


us-gaap:StockholdersEquity us-gaap:StatementEquityComponents