CNS


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService
us-gaap:StatementGeographical

us-gaap:GainLossOnInvestments

us-gaap:OperatingExpenses

us-gaap:GeneralAndAdministrativeExpense

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:ProfitLoss

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:Assets
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:Liabilities
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset

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

us-gaap:TaxesPayableCurrent
us-gaap:StatementEquityComponents
us-gaap:MinorityInterest

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue
us-gaap:StatementEquityComponents
us-gaap:MinorityInterest

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:IncomeTaxAuthority
us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

cns:IncreaseDecreaseInOperatingLeaseLiabilityNoncurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
cns:RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedGains
us-gaap:RelatedPartyTransactionsByRelatedParty
cns:RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedLosses
us-gaap:RelatedPartyTransactionsByRelatedParty
cns:RelatedPartyTransactionsDividendIncome
us-gaap:RelatedPartyTransactionsByRelatedParty
cns:RelatedPartyTransactionsProceedsfromSaleMaturityandCollectionofInvestments
us-gaap:RelatedPartyTransactionsByRelatedParty
cns:RevenueFromRelatedPartiesDistributionAndServiceFees
us-gaap:RelatedPartyTransactionsByRelatedParty
cns:RevenueFromRelatedPartiesInvestmentAdvisoryAndAdministrativeFees
us-gaap:StatementEquityComponents
cns:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AmortizationOfDeferredSalesCommissions

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:Dividends, us-gaap:SubsequentEventType

us-gaap:CostMethodInvestmentsRealizedGainLoss

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentRisk

us-gaap:Dividends
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:DividendsShareBasedCompensation

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInBrokerageReceivables

us-gaap:IncreaseDecreaseInDeferredCharges

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInPayablesToBrokerDealers

us-gaap:IncreaseDecreaseInTradingSecurities

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:LaborAndRelatedExpense

us-gaap:MarketableSecuritiesUnrealizedGainLoss
us-gaap:StatementEquityComponents
us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest
us-gaap:FinancialInstrument
us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties

us-gaap:SponsorFees

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

cns:DistributionAndServiceFeesPayable
us-gaap:FinancialInstrument
srt:NetCapital

srt:PayablesToBrokerDealersAndClearingOrganizations
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsPayableRelatedPartiesCurrent

us-gaap:AccountsReceivableGross
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:AccountsReceivableRelatedPartiesCurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:CashAndCashEquivalentsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DerivativeAssetNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeAssets
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeLiabilities
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilityNotionalAmount
us-gaap:DerivativeInstrumentRisk

us-gaap:DueFromCorrespondentBrokers

us-gaap:EmployeeRelatedLiabilitiesCurrent
us-gaap:InvestmentType
us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:ExcessCapital

us-gaap:HeldToMaturitySecurities
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:Investments
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities
us-gaap:VariableInterestEntitiesByClassificationOfEntity
us-gaap:ConsolidatedEntities
us-gaap:ReceivablesFromBrokersDealersAndClearingOrganizations
us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:RedeemableNoncontrollingInterestEquityCommonFairValue
us-gaap:DerivativeInstrumentRisk
us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue

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

us-gaap:TreasuryStockShares

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:CommonStockValue ██▆▆▅▅▃▃▃▃▁▁0.5350.5350.5270.5270.5260.5250.5180.5180.5180.5180.5110.511
us-gaap:CommonStockSharesIssued ██▅▅▅▅▁▃▃▃▁▁53.44788353.43645552.58024652.56747152.56747152.55853351.10459351.81147251.80255551.79373251.10459351.099509
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▇██▇▆▄▃▃▂▁▂▁48.57248.59148.70348.41248.17547.64247.56247.52447.31147.15247.347.047
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▇▆▆▅▅▃▃▃▂▁▁47.82647.65147.32447.31647.30447.14646.84246.8346.81946.68346.40746.386
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0.063NANANA0.00.0047NA0.00.00.0046NA0.0
us-gaap:EarningsPerShareBasic ▄▁█▇▆▆▃▆▅▄▁▃6e-074.3e-077.8e-077.2e-076.6e-076.9e-075.5e-076.6e-076.4e-075.9e-074.4e-075.4e-07
us-gaap:EarningsPerShareDiluted ▅▁█▇▆▇▄▆▅▅▁▃5.9e-074.2e-077.5e-077e-076.5e-076.800000000000001e-075.4e-076.5e-076.3e-075.9e-074.3e-075.3e-07
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▁▆█▆▄▁▁▃▁▁▃▂94.087105.83109.847104.965101.79294.22693.90698.33194.4194.46499.45496.787
us-gaap:GainLossOnInvestments ▇▁▆▆▆█▃▅▅▄▆▅7.317-22.0271.4634.4721.87413.864-9.5720.413-0.603-4.5021.2830.912
us-gaap:OperatingExpenses ▂█▄▄▄▂▂▂▂▂▂▁58.79277.46163.38564.83263.68858.79159.59759.10858.12357.24558.45455.381
us-gaap:GeneralAndAdministrativeExpense ▁█▂▂▁▁▂▁▂▂▃▂10.72623.58812.94211.71311.53911.43812.47411.63411.97212.18514.41212.222
us-gaap:OperatingIncomeLoss ▄▁█▆▅▄▃▅▄▄▆▆35.29528.36946.46240.13338.10435.43534.30939.22336.28737.21940.88840.973
us-gaap:OtherNonoperatingIncomeExpense ▄▆▃▅▅▄█▂▁▇▄▄-0.2571.035-1.6530.4320.742-0.4953.251-2.113-3.0612.502-0.067-0.01
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▇▁█▇▇█▅▆▆▆▇▇43.2488.52647.81446.7542.6450.34530.9840.2735.50937.0243.72743.3
us-gaap:NonoperatingIncomeExpense ▇▁▅▆▆█▄▅▅▅▆▅7.953-19.8431.3526.6174.53614.91-3.3291.047-0.778-0.1992.8392.327
us-gaap:IncomeTaxExpenseBenefit ▄▁▄▄▄▄▃▄▄▃█▆11.0860.4589.85410.3529.99110.3685.68210.5399.948.09622.92117.562
us-gaap:IncomeTaxesPaidNet NA1.784-66.1348.75121.988-1.641-67.1398.65222.836-1.144-100.91415.998
us-gaap:ProfitLoss ▆▁█▇▆█▅▆▅▆▄▅32.1628.06837.9636.39832.64939.97725.29829.73125.56928.92420.80625.738
us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax ▄▂█▁▃▄▂▃▁▅▄▅0.404-1.52.797-1.9-0.2980.398-1.18-0.3-1.6150.5380.1390.551
us-gaap:OtherComprehensiveIncomeLossNetOfTax █▁0.404-1.5NANA-0.2980.398-1.18-0.3-1.6150.5380.2440.596
us-gaap:NetIncomeLoss ▄▁█▇▆▆▃▅▅▄▁▃28.5220.57236.72834.01731.33332.54325.56130.7929.95927.58620.39825.082
us-gaap:ComprehensiveIncomeNetOfTax ▄▁█▅▅▆▃▅▄▄▂▃28.92419.07239.52532.11731.03532.94124.38130.4928.34428.12420.64225.678
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest ▇▁▆▆▆█▅▅▄▆▆▆3.642-12.5041.2322.3811.3167.434-0.263-1.059-4.391.3380.4080.656
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:Assets ▃▁▄▇▄▄▅█▆▅▄▅368.288333.655402.419459.704404.002405.808432.551488.185450.116428.941410.125423.999
us-gaap:Liabilities ▆▄█▇▆▅▄▃▁▁▃▂111.67296.55135.304127.694109.523106.29395.71379.11662.11663.49486.79469.333
us-gaap:LiabilitiesAndStockholdersEquity ▃▁▄▇▄▄▅█▆▅▄▅368.288333.655402.419459.704404.002405.808432.551488.185450.116428.941410.125423.999
us-gaap:StockholdersEquity ▂▁▂▆▄▃▂█▇▆▅▇213.543195.504213.703278.901256.375235.161222.646324.241303.005283.843275.536308.59
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:PropertyPlantAndEquipmentNet ▁▂▃▄▅▆▆▆▇▇▇█11.58412.09112.48612.99313.48714.01114.10614.19614.57114.93915.0415.317
us-gaap:IntangibleAssetsNetIncludingGoodwill ▃▁▃▁▃▃▄▅▅█▇▆19.56719.32619.5619.26119.71119.56419.75119.94920.02820.62520.37920.23
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▃▄▆▇█33.39535.96138.4440.83343.43245.97748.488NANANANANA
us-gaap:EquitySecuritiesFvNi ▃▃▅▅▃█▁79.83477.34689.87289.74576.809108.08566.795NANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:TaxesPayableCurrent █▅▄▄▃▆▃▃▂▅▃▁33.62923.16222.19420.15418.64127.34318.66318.95314.30923.00119.89212.362
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
 us-gaap:MinorityInterest us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▂▂▁▃█▅▅▅▂▂43.07341.60153.41253.10938.10464.354114.19284.82884.99581.60447.79546.076
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▂▃▅▆▇█37.71640.58743.34946.04748.84551.58454.304NANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:StockholdersEquity ▂▁▂▆▄▃▂█▇▆▅▇213.543195.504213.703278.901256.375235.161222.646324.241303.005283.843275.536308.59
us-gaap:CommonStockValue ██▆▆▅▅▃▃▃▃▁▁0.5350.5350.5270.5270.5260.5250.5180.5180.5180.5180.5110.511
us-gaap:AdditionalPaidInCapital █▇▇▆▅▅▄▃▃▂▂▁652.579644.397636.788625.822617.726609.854602.272590.827584.035577.169570.486562.738
us-gaap:RetainedEarningsAccumulatedDeficit ▂▁▁▅▄▃▃█▇▇▆█-231.409-240.93-242.461-163.5-179.852-193.523-208.404-96.544-111.333-125.293-137.972-96.926
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▃▃▅▁▃▄▃▅▅▇██-7.422-7.826-6.326-9.123-7.223-6.925-7.323-6.143-5.843-4.228-3.671-3.915
us-gaap:TreasuryStockValue ██▄▄▄▄▃▃▃▃▁▁200.74200.672174.825174.825174.802174.77164.417164.417164.372164.323153.818153.818
 us-gaap:MinorityInterest us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterest▁▁▂▂▁▃█▅▅▅▂▂43.07341.60153.41253.10938.10464.354114.19284.82884.99581.60447.79546.076
us-gaap:StockIssuedDuringPeriodValueNewIssues ▄▄0.3050.305NANA0.220.322NANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁7.3766.775NANA6.8756.47NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▃▇▅█▁▅▅▅▁▇▅61.154-5.55367.66727.87175.41-29.50333.27533.25935.136-29.07253.60832.201
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▅█▆█▇▆▁▆▆▆▆4.501-8.01215.428-3.17914.9618.739-1.176-47.836-1.439-2.743-1.0741.065
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅▁█▅▇▂▇▇█▄▇-20.636-43.548-112.4442.961-44.485-16.162-102.819-14.473-7.5586.74-57.958-12.919
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect █▁45.019-57.113NA27.65345.886-36.926NANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▃▇▅█▁▅▅▅▁▇▅61.154-5.55367.66727.87175.41-29.50333.27533.25935.136-29.07253.60832.201
us-gaap:NetIncomeLoss ▄▁█▇▆▆▃▅▅▄▁▃28.5220.57236.72834.01731.33332.54325.56130.7929.95927.58620.39825.082
us-gaap:ProfitLoss ▆▁█▇▆█▅▆▅▆▄▅32.1628.06837.9636.39832.64939.97725.29829.73125.56928.92420.80625.738
us-gaap:IncreaseDecreaseInAccountsReceivable ▁▆▃█▃▇▂█▁▇▂█-12.0674.716-6.46411.37-5.5929.415-10.27411.049-12.0638.026-8.51811.88
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▄▄▄▄▄▃▁▂█▅▂-0.0590.281-0.0120.074-0.0240.058-0.5-2.856-2.0053.9880.819-2.276
us-gaap:ShareBasedCompensation █▆▅▇▆▅▆▃▃▂▁▂7.5916.976.7927.2537.0986.6686.9195.9626.0075.7385.4235.629
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▅█▆█▇▆▁▆▆▆▆4.501-8.01215.428-3.17914.9618.739-1.176-47.836-1.439-2.743-1.0741.065
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▄▆▁▂▂██▄▆▇▅▆0.7210.8430.5550.6140.5940.9890.9660.7510.8470.9060.8010.889
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
us-gaap:NetCashProvidedByUsedInFinancingActivities ▆▅▁█▅▇▂▇▇█▄▇-20.636-43.548-112.4442.961-44.485-16.162-102.819-14.473-7.5586.74-57.958-12.919
us-gaap:PaymentsOfDividendsCommonStock ▁▁▇▁▁▁█▁▁▁▄▁18.65718.653111.63717.02717.02617.015132.53415.45215.44815.44559.36912.984
us-gaap:PaymentsForRepurchaseOfCommonStock ▁█▁▁▁▄▁▁▁▄▁▁0.06825.8470.00.0230.03210.3530.00.0450.04910.5050.00.069
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value535000.0535000.0527000.0527000.0526000.0525000.0518000.0518000.0518000.0518000.0511000.0511000.0511000.0511000.0504000.0504000.0504000.0503000.0497000.0497000.0497000.0496000.0486000.0486000.0486000.0485000.0477000.0477000.0477000.0477000.0470000.0470000.0469000.0469000.0462000.0461000.0461000.0461000.0454000.0
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 Assets0.10.20.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.10.20.20.20.20.10.10.10.10.10.10.20.20.20.20.2

None

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value535352525252515151515151515050505050494949494848484847474747474646464646464545
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

None

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value484848484847474747474747464646464646454545454545454545454544444444444444430.04378143430.042937
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value474747474747464646464646464646454545454545454444444444444444434343434343430.04305142420.0426
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


None
Period End2020-06-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-06-30
Value63000.004700.0004600.00017000.00056000.090000.017000.000000000005000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.00.0100.00.00.0100.00.00.0100.00.00.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.0100.0

None

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.60.430.780.720.660.690.550.660.640.590.440.540.510.50.570.520.540.390.130.380.460.460.350.410.490.440.440.410.340.340.50.230.370.410.370.220.360.3010.30.310.270.208
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.590.420.750.70.650.680.540.650.630.590.430.530.50.490.560.510.530.390.130.370.450.450.340.40.490.430.430.410.340.340.490.230.360.410.360.220.360.2960.290.30.270.207
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value9410510910410194939894949996
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

cns:ClosedEndInvestmentFunds


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value17192020201919191919
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax18.618.518.919.719.620.220.320.220.320.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax18.618.518.919.719.620.220.320.220.320.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax cns:ClosedEndInvestmentFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:InstitutionalAccounts


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value24272927262521262425
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.026.326.726.225.826.622.927.426.226.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.026.326.726.225.826.622.927.426.226.7
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax cns:InstitutionalAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:OpenEndInvestmentFunds


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value51575956524744514747
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax54.854.453.853.651.750.447.051.950.650.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax54.854.453.853.651.750.447.051.950.650.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax cns:OpenEndInvestmentFunds100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:PortfolioConsultingAndOtherRevenue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.5090.7580.7140.5212.9012.6219.150.5282.7332.63
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.70.60.52.82.89.70.52.92.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.70.60.52.82.89.70.52.92.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax cns:PortfolioConsultingAndOtherRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialService


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.937.7837.9767.6817.4186.9736.9827.4517.2577.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.47.47.37.37.37.47.47.67.77.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.47.47.37.37.37.47.47.67.77.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:FinancialService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancialServiceOther


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.5090.7580.7140.5212.9012.6219.150.5282.7332.63
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.70.60.52.82.89.70.52.92.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.50.70.60.52.82.89.70.52.92.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:FinancialServiceOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentAdvice


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value869710196918477908484
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax92.191.992.192.289.989.882.891.989.489.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax92.191.992.192.289.989.882.891.989.489.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:InvestmentAdvice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:StatementGeographical

cns:AsiaExcludingJapan


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.5363.0724.0543.3872.5543.1523.1373.2633.0583.0353.0742.992.7852.647
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.72.93.73.22.53.33.33.33.23.23.13.10.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.72.93.73.22.53.33.33.33.23.23.13.10.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax cns:AsiaExcludingJapan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

country:JP


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.4868.4168.7978.5528.3878.2318.3568.9518.8839.0939.978101011
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.08.08.08.18.28.78.99.19.49.610.010.80.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.08.08.08.18.28.78.99.19.49.610.010.80.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax country:JP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Europe


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.6583.3352.7512.3523.5842.42.6422.742.362.629
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.83.22.52.23.52.52.82.82.52.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.83.22.52.23.52.52.82.82.52.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:Europe100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NorthAmerica


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value81919490878079838079
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax86.586.085.886.485.785.484.984.884.984.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax86.586.085.886.485.785.484.984.884.984.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax srt:NorthAmerica100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.317-22.0271.4634.4721.87413-9.5720.413-0.603-4.5021.2830.912-0.1940.0190.290.6983.8150.19-2.9930.320.10.1530.760.0521.0760.7510.180.8370.4910.1970.437-0.0840.6870.154-0.3680.2320.3581.9612.1243.2810.198
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax7.8-20.81.34.31.814.7-10.20.4-0.6-4.81.30.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value587763646358595958575855555453575251514852494948484544464951385941383639383538323028
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax62.573.257.761.862.662.463.560.161.660.658.857.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value10231211111112111112141213121313121213121212121112111111121110109.9238.5378.389.3658.8868.5738.6837.887.4737.137
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.422.311.811.211.312.113.311.812.712.914.512.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value352846403835343936374040373535373428303131343232292729272820321226252222221813131312
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax37.526.842.338.237.437.636.539.938.439.441.142.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-257000.01035000.0-1653000.0432000.0742000.0-495000.03251000.0-2113000.0-3061000.02502000.0-67000.0-10000.0-331000.0-291000.0485000.0291000.093000.0-89000.0-51000.0-270000.0-263000.0-419000.059000.0-666000.0155000.0-52000.0-315000.0209000.0-368000.0-271000.0-595000.0330000.021000.0-784000.0-123000.0502000.0191000.0825000.0166000.0650000.0135000.0-88000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.31.0-1.50.40.7-0.53.5-2.1-3.22.6-0.1-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value438.52647464250304035374343373537383828182832322728343031311823341724282517241918181513
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax46.08.143.544.541.953.433.041.037.639.244.044.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.953-19.8431.3526.6174.53614-3.3291.047-0.778-0.1992.8392.3270.2610.2271.4271.3564.4660.643-12.078-2.9721.797-1.552-4.541-3.5574.993.1811.9713.303-10.1782.9261.5315.315-1.9923.0172.409-4.8331.3060.9755.1344.4892.051.035
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax8.5-18.71.26.34.515.8-3.51.1-0.8-0.22.92.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value110.4589.854109.991105.682109.948.0962217141211141311121112121210111111119.878.135124.9879.045109.1348.0228.4426.9865.4365.2983.7814.574
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax11.80.49.09.99.811.06.110.710.58.623.018.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.784-66.1348.75121-1.641-67.1398.65222-1.144-100.91415260.989-86.0213221.526-56.1923.11210.805-81.0499.881203.697-71.771147.6186.1667.9979.65716-5.124-13.635-9.532-4.334-8.223-3.393-1.976
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.7-60.28.321.6-1.7-71.58.824.2-1.2-101.516.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:ProfitLoss

us-gaap:ProfitLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value328.068373632392529252820252222262324175.8281620201518221919198.5091522121518169.54215121213118.89
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax34.27.634.634.732.142.426.930.227.130.620.926.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value404000.0-1500000.02797000.0-1900000.0-298000.0398000.0-1180000.0-300000.0-1615000.0538000.0139000.0551000.0887000.0487000.0-1721000.0-271000.0-1317000.0372000.0-1170000.0-748000.01534000.0-2078000.0-1605000.0-2256000.074000.077000.0389000.01233000.0319000.0-662000.0935000.0630000.0-1953000.01139000.0-1082000.0-3084000.0
Percentage of OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.4-1.42.5-1.8-0.30.4-1.3-0.3-1.70.60.10.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value404000.0-1500000.0-298000.0398000.0-1180000.0-300000.0-1615000.0538000.0244000.0596000.0508000.0866000.0-3092000.0-38000.0-101000.01189000.08104000.0-7138000.0-1034000.0-2193000.0-2413000.0-2762000.0513000.091000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.4-1.4-0.30.4-1.3-0.3-1.70.60.20.60.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value404000.0-1500000.02797000.0-1900000.0-298000.0398000.0-1180000.0-300000.0-1615000.0538000.0244000.0596000.0508000.0866000.0-3092000.0-38000.0-101000.01189000.08104000.0-7138000.0-1034000.0-2193000.0-2413000.0-2762000.0513000.091000.0-130000.01516000.0-1381000.0643000.01454000.0537000.0-1804000.02379000.0349000.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.4-1.42.5-1.8-0.30.4-1.3-0.3-1.70.60.20.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2820363431322530292720252322262324185.879172020151822191918151521101618169.60615121213118.88
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.319.433.432.430.834.527.231.331.729.220.525.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value282034313230
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.319.432.430.834.531.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.0

None

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value281939323132243028282025232323232419139.9551918131522191919131523101420163.121171411171.7657.832
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.718.036.030.630.535.026.031.030.029.820.826.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.642-12.5041.2322.3811.3167.434-0.263-1.059-4.391.3380.4080.656-0.476-0.0410.023-0.0460.113-0.216-0.051-0.1290.011-0.045-0.525-0.1470.7410.1550.0151.534-6.7730.360.3212.306-1.0520.2040.027-0.0640.08-0.0730.00.0-0.0020.01
Percentage of NetIncomeLossAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.9-11.81.12.31.37.9-0.3-1.1-4.61.40.40.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:Assets

us-gaap:Assets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value368333402459404405432488450428410423397319333331297278305296277255280327293274274297353354337365335318286258293271277
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

us-gaap:Assets us-gaap:ConsolidatedEntities

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-06-302019-12-31
Value0.340.54
Percentage of Assets0.10.1
Percentage of Assets0.10.1
Percentage of Assets cns:CohenSteersCoInvestmentPartnership100.0100.0

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value2830
Percentage of Assets7.97.7
Percentage of Assets7.97.7
Percentage of Assets cns:CohenSteersSICAVDiversifiedRealAssetsFund100.0100.0

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value3446
Percentage of Assets9.311.6
Percentage of Assets9.311.6
Percentage of Assets cns:CohenSteersSICAVGlobalRealEstateFund100.0100.0

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value7085
Percentage of Assets19.121.3
Percentage of Assets19.121.3
Percentage of Assets cns:GLISICAVGRPCIPSICAVGREandSICAVRAP100.0100.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value6.6397.404
Percentage of Assets1.81.8
Percentage of Assets1.81.8
Percentage of Assets cns:TheCohenSteersSICAVGlobalListedInfrastructureFund100.0100.0

us-gaap:Assets us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.4060.540.5450.5850.5790.6530.6920.9160.9141.5322.4352.4322.5022.2122.8432.312.4172.338
Percentage of Assets0.10.10.10.10.10.20.10.20.20.40.60.60.80.70.90.80.90.8
Percentage of Assets0.10.10.10.10.10.20.10.20.20.40.60.60.80.70.90.80.90.8
Percentage of Assets cns:CohenSteersCoInvestmentPartnership100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value25302611109.393
Percentage of Assets7.67.75.72.82.52.2
Percentage of Assets7.67.75.72.82.52.2
Percentage of Assets cns:CohenSteersSICAVDiversifiedRealAssetsFund100.0100.0100.0100.0100.0100.0

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value3446545076
Percentage of Assets10.411.611.812.518.9
Percentage of Assets10.411.611.812.518.9
Percentage of Assets cns:CohenSteersSICAVGlobalRealEstateFund100.0100.0100.0100.0100.0

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value6685886994
Percentage of Assets19.921.319.217.223.3
Percentage of Assets19.921.319.217.223.3
Percentage of Assets cns:GLISICAVGRPCIPSICAVGREandSICAVRAP100.0100.0100.0100.0100.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value6.1067.4047.1417.0796.7095.9246.2276.1066.0246.2786.0575.9375.6925.2935.5475.615.4014.9489.434
Percentage of Assets1.81.81.61.81.71.41.31.41.41.51.41.51.81.61.71.91.91.63.2
Percentage of Assets1.81.81.61.81.71.41.31.41.41.51.41.51.81.61.71.91.91.63.2
Percentage of Assets cns:TheCohenSteersSICAVGlobalListedInfrastructureFund100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:Liabilities

us-gaap:Liabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value11196135127109106957962638669624567584040624934265245354151454660675848465043342744
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 Assets30.328.933.627.827.126.222.116.213.814.821.216.415.714.120.117.613.814.420.416.712.410.418.613.912.215.018.615.513.117.020.015.914.614.817.816.711.710.015.9

us-gaap:Liabilities us-gaap:ConsolidatedEntities

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value0.2610.442
Percentage of Liabilities0.20.3
Percentage of Assets0.10.1
Percentage of Assets cns:CohenSteersSICAVDiversifiedRealAssetsFund0.91.4

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value0.3070.558
Percentage of Liabilities0.30.4
Percentage of Assets0.10.1
Percentage of Assets cns:CohenSteersSICAVGlobalRealEstateFund0.91.2

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value0.6831.15
Percentage of Liabilities0.60.8
Percentage of Assets0.20.3
Percentage of Assets cns:GLISICAVGRPCIPSICAVGREandSICAVRAP1.01.3

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value0.110.145
Percentage of Liabilities0.10.1
Percentage of Assets0.00.0
Percentage of Assets cns:TheCohenSteersSICAVGlobalListedInfrastructureFund1.72.0

us-gaap:Liabilities us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.010.0050.0050.0050.5450.0050.0050.005
Percentage of Liabilities0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.90.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.20.00.00.0
Percentage of Assets cns:CohenSteersCoInvestmentPartnership1.20.90.90.90.90.80.70.50.50.30.40.20.20.219.20.20.20.2

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.2050.4423.4350.4710.1820.173
Percentage of Liabilities0.20.32.70.40.20.2
Percentage of Assets0.10.10.70.10.00.0
Percentage of Assets cns:CohenSteersSICAVDiversifiedRealAssetsFund0.81.413.14.21.81.8

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.280.5581.3672.1621.066
Percentage of Liabilities0.30.41.12.01.0
Percentage of Assets0.10.10.30.50.3
Percentage of Assets cns:CohenSteersSICAVGlobalRealEstateFund0.81.22.54.31.4

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5881.154.8762.8751.367
Percentage of Liabilities0.60.83.82.61.3
Percentage of Assets0.20.31.10.70.3
Percentage of Assets cns:GLISICAVGRPCIPSICAVGREandSICAVRAP0.91.35.54.11.4

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0980.1450.0690.2370.1140.0740.1040.0720.1490.1220.1130.1050.070.070.0880.1170.1270.0624.526
Percentage of Liabilities0.10.10.10.20.10.10.10.10.20.10.20.20.20.10.20.30.30.19.2
Percentage of Assets0.00.00.00.10.00.00.00.00.00.00.00.00.00.00.00.00.00.01.5
Percentage of Assets cns:TheCohenSteersSICAVGlobalListedInfrastructureFund1.62.01.03.31.71.21.71.22.51.91.91.81.21.31.62.12.41.348.0

None

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value368333402459404405432488450428410423397319333331297278305296277255280327293274274297353354337365335318286258293271277
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

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value213195213278256235222324303283275308290273265272255237231245241227227262249231223251234223216261253242230214255240233
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 Assets58.058.653.160.763.557.951.566.467.366.267.272.872.985.579.682.185.985.475.983.187.389.381.280.085.284.481.384.566.463.064.271.475.676.380.583.287.188.684.1

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-7.422-7.826-6.326-9.123-7.223-6.925-7.323-6.143-5.843-4.228-3.671-3.915-4.511-5.019-5.885-2.793-2.755-2.654-3.843-11.947-4.809-3.775-1.5820.8313.5933.082.9893.1191.6032.9842.3410.8870.352.154-0.225-0.5745.9112.97111-30.62
Percentage of StockholdersEquity-3.5-4.0-3.0-3.3-2.8-2.9-3.3-1.9-1.9-1.5-1.3-1.3-1.6-1.8-2.2-1.0-1.1-1.1-1.7-4.9-2.0-1.7-0.70.31.41.31.31.20.71.31.10.30.10.9-0.1-0.32.31.30.00.0
Percentage of Assets-2.0-2.3-1.6-2.0-1.8-1.7-1.7-1.3-1.3-1.0-0.9-0.9-1.1-1.6-1.8-0.8-0.9-1.0-1.3-4.0-1.7-1.5-0.60.31.21.11.11.00.50.80.70.20.10.7-0.1-0.22.01.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value652644636625617609602590584577570562556550543537531526519512507500489479472466457449443437429420415410402396388378357347
Percentage of StockholdersEquity305.6329.6298.0224.4240.9259.3270.5182.2192.7203.3207.0182.4191.8201.3204.6197.4208.3221.4224.3208.6209.7219.9214.6183.1189.3201.4204.5179.1189.2195.8198.3161.0163.8169.2174.6184.7151.9162.00.00.0
Percentage of Assets177.2193.1158.2136.1152.9150.3139.2121.0129.8134.6139.1132.7139.8172.2163.0162.1179.0189.0170.3173.3183.1196.3174.3146.6161.3169.9166.3151.3125.6123.4127.3114.9123.8129.1140.6153.6132.3136.20.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value0.5350.5350.5270.5270.5260.5250.5180.5180.5180.5180.5110.5110.5110.5110.5040.5040.5040.5030.4970.4970.4970.4960.4860.4860.4860.4850.4770.4770.4770.4770.470.470.4690.4690.4620.4610.4610.4540.4480.442
Percentage of StockholdersEquity0.30.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.00.0
Percentage of Assets0.10.20.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.10.20.20.20.20.10.10.10.10.10.10.20.20.20.20.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-231.409-240.93-242.461-163.5-179.852-193.523-208.404-96.544-111.333-125.293-137.972-96.926-108.581-118.663-127.957-118.088-129.672-142.266-148.096-118.914-124.38-133.574-142.786-101.783-109.853-121.936-131.366-96.483-105.67-111.861-117.889-62.907-65.089-73.101-83.063-92.483-50.145-65.553-5.3824.981
Percentage of StockholdersEquity-108.4-123.2-113.5-58.6-70.2-82.3-93.6-29.8-36.7-44.1-50.1-31.4-37.4-43.4-48.1-43.4-50.8-59.9-63.9-48.4-51.4-58.7-62.6-38.8-44.0-52.7-58.8-38.4-45.1-50.1-54.4-24.1-25.6-30.1-36.0-43.1-19.6-28.10.00.0
Percentage of Assets-62.8-72.2-60.3-35.6-44.5-47.7-48.2-19.8-24.7-29.2-33.6-22.9-27.3-37.1-38.3-35.6-43.7-51.1-48.5-40.2-44.9-52.4-50.9-31.1-37.5-44.5-47.8-32.5-29.9-31.6-34.9-17.2-19.4-23.0-29.0-35.8-17.1-23.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-200.74-200.672-174.825-174.825-174.802-174.77-164.417-164.417-164.372-164.323-153.818-153.818-153.749-153.717-144.677-144.677-144.574-144.012-136.637-136.637-136.583-136.112-117.403-117.366-117.268-116.274-105.681-105.673-105.621-105.517-97.719-97.712-97.624-97.533-89.235-89.218-89.042-82.588-79.202-76.949
Percentage of StockholdersEquity-94.0-102.6-81.8-62.7-68.2-74.3-73.8-50.7-54.2-57.9-55.8-49.8-53.0-56.2-54.4-53.1-56.7-60.6-59.0-55.6-56.5-59.8-51.5-44.8-46.9-50.3-47.3-42.1-45.1-47.3-45.1-37.4-38.4-40.2-38.7-41.6-34.8-35.40.00.0
Percentage of Assets-54.5-60.1-43.4-38.0-43.3-43.1-38.0-33.7-36.5-38.3-37.5-36.3-38.6-48.1-43.4-43.6-48.7-51.8-44.8-46.2-49.3-53.4-41.8-35.9-40.0-42.4-38.4-35.6-29.9-29.8-29.0-26.7-29.1-30.7-31.2-34.6-30.3-29.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1112121213141414141415151515151412109.7839.8949.9961011119.6749.2749.8249.3879.2649.1719.1039.4189.97101111121213
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 Assets3.13.63.12.83.33.53.32.93.23.53.73.63.94.94.84.24.43.63.23.33.64.04.03.53.33.43.63.22.62.62.72.63.03.43.94.64.14.74.8

None

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value19191919191919192020202019191919191919191920
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.84.94.24.94.84.64.14.44.85.04.85.06.05.76.06.67.26.46.77.17.4

None

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-01-01
Value3335384043454848
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.110.89.68.910.811.311.20.0

None

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value797789897610866
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets21.723.222.319.519.026.615.4

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7976898876107620.0
Percentage of EquitySecuritiesFvNi99.499.499.499.099.199.394.20.0
Percentage of Assets21.623.022.219.318.826.514.60.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0560.0550.1080.3180.1110.1193.1930.0
Percentage of EquitySecuritiesFvNi0.10.10.10.40.10.14.80.0
Percentage of Assets0.00.00.00.10.00.00.70.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.3860.4370.4720.590.6080.5960.666.176
Percentage of EquitySecuritiesFvNi0.50.60.50.70.80.61.00.0
Percentage of Assets0.10.10.10.10.20.10.21.5
Percentage of Assets us-gaap:FairValueMeasuredAtNetAssetValuePerShare us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, cns:CompanySponsoredFunds


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.1250.1060.1320.1360.085.4179.456
Percentage of EquitySecuritiesFvNi0.20.10.10.20.15.014.2
Percentage of Assets0.00.00.00.00.01.32.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring cns:CompanySponsoredFunds0.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, srt:PartnershipInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.7560.4491.0481.0611.1531.4071.056
Percentage of EquitySecuritiesFvNi0.90.61.21.21.51.31.6
Percentage of Assets0.20.10.30.20.30.30.2
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring srt:PartnershipInterest0.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value77758786739921
Percentage of EquitySecuritiesFvNi97.397.897.396.995.891.932.9
Percentage of Assets21.122.721.718.918.224.55.1
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring us-gaap:CommonStock0.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:PreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.8390.630.7040.6621.2811.22430
Percentage of EquitySecuritiesFvNi1.10.80.80.71.71.145.6
Percentage of Assets0.20.20.20.10.30.37.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring us-gaap:PreferredStock0.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-31
Value0.00.00.2090.00.00.0
Percentage of EquitySecuritiesFvNi0.00.00.20.00.00.0
Percentage of Assets0.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring us-gaap:CommonStock0.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:PreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.0560.0550.1080.1090.1110.1193.193
Percentage of EquitySecuritiesFvNi0.10.10.10.10.10.14.8
Percentage of Assets0.00.00.00.00.00.00.7
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring us-gaap:PreferredStock0.00.00.00.00.00.00.0

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:FairValueMeasurementsRecurring, srt:PartnershipInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.2710.3310.3370.4590.4810.4740.55
Percentage of EquitySecuritiesFvNi0.30.40.40.50.60.40.8
Percentage of Assets0.10.10.10.10.10.10.1
Percentage of Assets us-gaap:FairValueMeasuredAtNetAssetValuePerShare us-gaap:FairValueMeasurementsRecurring srt:PartnershipInterest0.00.00.00.00.00.00.0

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:FairValueMeasurementsRecurring, us-gaap:OtherInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.1150.1060.1350.1310.1270.1220.11
Percentage of EquitySecuritiesFvNi0.10.10.20.10.20.10.2
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueMeasuredAtNetAssetValuePerShare us-gaap:FairValueMeasurementsRecurring us-gaap:OtherInvestments0.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value7977898976108666.176
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets21.723.222.319.519.026.615.41.5
Percentage of Assets us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, cns:CompanySponsoredFunds


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.1250.1060.1320.1360.085.4179.456
Percentage of EquitySecuritiesFvNi0.20.10.10.20.15.014.2
Percentage of Assets0.00.00.00.00.01.32.2
Percentage of Assets us-gaap:FairValueMeasurementsRecurring cns:CompanySponsoredFunds0.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementsRecurring, srt:PartnershipInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1.0270.781.3851.521.6341.8811.606
Percentage of EquitySecuritiesFvNi1.31.01.51.72.11.72.4
Percentage of Assets0.30.20.30.30.40.50.4
Percentage of Assets us-gaap:FairValueMeasurementsRecurring srt:PartnershipInterest0.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value77758787739921
Percentage of EquitySecuritiesFvNi97.397.897.397.195.891.932.9
Percentage of Assets21.122.721.719.018.224.55.1
Percentage of Assets us-gaap:FairValueMeasurementsRecurring us-gaap:CommonStock0.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:OtherInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.1150.1060.1350.1310.1270.1220.11
Percentage of EquitySecuritiesFvNi0.10.10.20.10.20.10.2
Percentage of Assets0.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueMeasurementsRecurring us-gaap:OtherInvestments0.00.00.00.00.00.00.0

us-gaap:FairValueMeasurementsRecurring, us-gaap:PreferredStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.8950.6850.8120.7711.3921.34333
Percentage of EquitySecuritiesFvNi1.10.90.90.91.81.250.4
Percentage of Assets0.20.20.20.20.30.37.8
Percentage of Assets us-gaap:FairValueMeasurementsRecurring us-gaap:PreferredStock0.00.00.00.00.00.00.0

None

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value3323222018271818142319128.583159.3759.1675.8126.781.5081.3971.1644.1413.3421.4617.3977.5758.8469.7465.158.8362.5845.7772.1154.9487.7597.8752.8249.077
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.16.95.54.44.66.74.33.93.25.44.92.92.25.02.82.82.04.72.20.50.50.51.51.00.52.72.83.02.81.52.60.71.70.71.73.02.71.03.3

None

us-gaap:MinorityInterest us-gaap:StatementEquityComponents

us-gaap:MinorityInterest

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value4341535338641148484814746450.9750.8530.8680.8910.689110.720.8520.7970.607197.4061.8430.2070.1927270534.7960.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets11.712.513.311.69.415.926.417.418.919.011.710.911.40.30.30.30.30.23.70.20.30.30.26.02.50.70.10.120.619.915.81.70.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value37404346485154
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.212.210.810.012.112.712.6

None

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value213195213278256235222324303283275308290273265272255237231245241227227262249231223251234223216261253242230214255240233
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 Assets58.058.653.160.763.557.951.566.467.366.267.272.872.985.579.682.185.985.475.983.187.389.381.280.085.284.481.384.566.463.064.271.475.676.380.583.287.188.684.1

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-7.422-7.826-6.326-9.123-7.223-6.925-7.323-6.143-5.843-4.228-3.671-3.915-4.511-5.019-5.885-2.793-2.755-2.654-3.843-11.947-4.809-3.775-1.5820.8313.5933.082.9893.1191.6032.9842.3410.8870.352.154-0.225-0.5745.9112.97111-30.62
Percentage of StockholdersEquity-3.5-4.0-3.0-3.3-2.8-2.9-3.3-1.9-1.9-1.5-1.3-1.3-1.6-1.8-2.2-1.0-1.1-1.1-1.7-4.9-2.0-1.7-0.70.31.41.31.31.20.71.31.10.30.10.9-0.1-0.32.31.30.00.0
Percentage of Assets-2.0-2.3-1.6-2.0-1.8-1.7-1.7-1.3-1.3-1.0-0.9-0.9-1.1-1.6-1.8-0.8-0.9-1.0-1.3-4.0-1.7-1.5-0.60.31.21.11.11.00.50.80.70.20.10.7-0.1-0.22.01.10.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value652644636625617609602590584577570562556550543537531526519512507500489479472466457449443437429420415410402396388378357347
Percentage of StockholdersEquity305.6329.6298.0224.4240.9259.3270.5182.2192.7203.3207.0182.4191.8201.3204.6197.4208.3221.4224.3208.6209.7219.9214.6183.1189.3201.4204.5179.1189.2195.8198.3161.0163.8169.2174.6184.7151.9162.00.00.0
Percentage of Assets177.2193.1158.2136.1152.9150.3139.2121.0129.8134.6139.1132.7139.8172.2163.0162.1179.0189.0170.3173.3183.1196.3174.3146.6161.3169.9166.3151.3125.6123.4127.3114.9123.8129.1140.6153.6132.3136.20.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value0.5350.5350.5270.5270.5260.5250.5180.5180.5180.5180.5110.5110.5110.5110.5040.5040.5040.5030.4970.4970.4970.4960.4860.4860.4860.4850.4770.4770.4770.4770.470.470.4690.4690.4620.4610.4610.4540.4480.442
Percentage of StockholdersEquity0.30.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.00.0
Percentage of Assets0.10.20.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.10.20.20.20.20.10.10.10.10.10.10.20.20.20.20.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-231.409-240.93-242.461-163.5-179.852-193.523-208.404-96.544-111.333-125.293-137.972-96.926-108.581-118.663-127.957-118.088-129.672-142.266-148.096-118.914-124.38-133.574-142.786-101.783-109.853-121.936-131.366-96.483-105.67-111.861-117.889-62.907-65.089-73.101-83.063-92.483-50.145-65.553-5.3824.981
Percentage of StockholdersEquity-108.4-123.2-113.5-58.6-70.2-82.3-93.6-29.8-36.7-44.1-50.1-31.4-37.4-43.4-48.1-43.4-50.8-59.9-63.9-48.4-51.4-58.7-62.6-38.8-44.0-52.7-58.8-38.4-45.1-50.1-54.4-24.1-25.6-30.1-36.0-43.1-19.6-28.10.00.0
Percentage of Assets-62.8-72.2-60.3-35.6-44.5-47.7-48.2-19.8-24.7-29.2-33.6-22.9-27.3-37.1-38.3-35.6-43.7-51.1-48.5-40.2-44.9-52.4-50.9-31.1-37.5-44.5-47.8-32.5-29.9-31.6-34.9-17.2-19.4-23.0-29.0-35.8-17.1-23.60.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value-200.74-200.672-174.825-174.825-174.802-174.77-164.417-164.417-164.372-164.323-153.818-153.818-153.749-153.717-144.677-144.677-144.574-144.012-136.637-136.637-136.583-136.112-117.403-117.366-117.268-116.274-105.681-105.673-105.621-105.517-97.719-97.712-97.624-97.533-89.235-89.218-89.042-82.588-79.202-76.949
Percentage of StockholdersEquity-94.0-102.6-81.8-62.7-68.2-74.3-73.8-50.7-54.2-57.9-55.8-49.8-53.0-56.2-54.4-53.1-56.7-60.6-59.0-55.6-56.5-59.8-51.5-44.8-46.9-50.3-47.3-42.1-45.1-47.3-45.1-37.4-38.4-40.2-38.7-41.6-34.8-35.40.00.0
Percentage of Assets-54.5-60.1-43.4-38.0-43.3-43.1-38.0-33.7-36.5-38.3-37.5-36.3-38.6-48.1-43.4-43.6-48.7-51.8-44.8-46.2-49.3-53.4-41.8-35.9-40.0-42.4-38.4-35.6-29.9-29.8-29.0-26.7-29.1-30.7-31.2-34.6-30.3-29.80.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CommonStockValue

us-gaap:CommonStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value535000.0535000.0527000.0527000.0526000.0525000.0518000.0518000.0518000.0518000.0511000.0511000.0511000.0511000.0504000.0504000.0504000.0503000.0497000.0497000.0497000.0496000.0486000.0486000.0486000.0485000.0477000.0477000.0477000.0477000.0470000.0470000.0469000.0469000.0462000.0461000.0461000.0461000.0454000.0
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 Assets0.10.20.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.10.20.20.20.20.10.10.10.10.10.10.20.20.20.20.2

None

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value652644636625617609602590584577570562556550543537531526519512507500489479472466457449443437429420415410402396388383378
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 Assets177.2193.1158.2136.1152.9150.3139.2121.0129.8134.6139.1132.7139.8172.2163.0162.1179.0189.0170.3173.3183.1196.3174.3146.6161.3169.9166.3151.3125.6123.4127.3114.9123.8129.1140.6153.6132.3141.3136.2

None

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-231410000.0-240930000.0-242460000.0-163500000.0-179850000.0-193520000.0-208400000.0-96544000.0-111330000.0-125290000.0-137970000.0-96926000.0-108580000.0-118660000.0-127960000.0-118090000.0-129670000.0-142270000.0-148100000.0-118910000.0-124380000.0-133570000.0-142790000.0-101780000.0-109850000.0-121940000.0-131370000.0-96483000.0-105670000.0-111860000.0-117890000.0-62907000.0-65089000.0-73101000.0-83063000.0-92483000.0-50145000.0-59197000.0-65553000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-62.8-72.2-60.3-35.6-44.5-47.7-48.2-19.8-24.7-29.2-33.6-22.9-27.3-37.1-38.3-35.6-43.7-51.1-48.5-40.2-44.9-52.4-50.9-31.1-37.5-44.5-47.8-32.5-29.9-31.6-34.9-17.2-19.4-23.0-29.0-35.8-17.1-21.8-23.6

None

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-7422000.0-7826000.0-6326000.0-9123000.0-7223000.0-6925000.0-7323000.0-6143000.0-5843000.0-4228000.0-3671000.0-3915000.0-4511000.0-5019000.0-5885000.0-2793000.0-2755000.0-2654000.0-3843000.0-11947000.0-4809000.0-3775000.0-1582000.0831000.03593000.03080000.02989000.03119000.01603000.02984000.02341000.0887000.0350000.02154000.0-225000.0-574000.05911000.04464000.02971000.0
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-2.0-2.3-1.6-2.0-1.8-1.7-1.7-1.3-1.3-1.0-0.9-0.9-1.1-1.6-1.8-0.8-0.9-1.0-1.3-4.0-1.7-1.5-0.60.31.21.11.11.00.50.80.70.20.10.7-0.1-0.22.01.61.1

None

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value200200174174174174164164164164153153153153144144144144136136136136117117117116105105105105979797978989898882
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.560.143.438.043.343.138.033.736.538.337.536.338.648.143.443.648.751.844.846.249.353.441.835.940.042.438.435.629.929.829.026.729.130.731.234.630.332.729.8

None

us-gaap:MinorityInterest us-gaap:StatementEquityComponents

us-gaap:MinorityInterest

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value4341535338641148484814746450.9750.8530.8680.8910.689110.720.8520.7970.607197.4061.8430.2070.1927270534.7960.0
Percentage of MinorityInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets11.712.513.311.69.415.926.417.418.919.011.710.911.40.30.30.30.30.23.70.20.30.30.26.02.50.70.10.120.619.915.81.70.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value305000.0305000.0220000.0322000.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value305000.0297000.0143000.0184000.0219000.0315000.0104000.0155000.0187000.0250000.0117000.0157000.0217000.0250000.0138000.0165000.0209000.0237000.0104000.0128000.0170000.0221000.0102000.0129000.0181000.0157000.085000.0102000.0135000.0151000.096000.0118000.0138000.0146000.098000.0110000.0139000.0184000.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.097.40.00.099.597.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value08000.001000.01000.07000.00007000.00007000.0001000.06000.0001000.010000.0001000.08000.00007000.001000.007000.01000.0007000.0
Percentage of StockIssuedDuringPeriodValueNewIssues0.02.60.00.00.52.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value7.3766.7756.8756.47
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7.3766.7756.7546.7846.8756.476.3375.9615.9865.75.4165.6245.4245.5784.7924.8144.8867.0635.525.1735.9215.9526.3776.3176.2375.9075.3375.4185.8544.8544.4374.0464.5624.4455.7624.303
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.00.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value61-5.553672775-29.503333335-29.0725332-19.744-1.812543033-2.5312132350.34235162.933-0.095344126-26.44342-5.26739-56.267281934-10.63626149.1183.142
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax65.0-5.261.626.674.1-31.335.433.837.2-30.853.933.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.501-8.01215-3.179148.739-1.176-47.836-1.439-2.743-1.0741.0659.166-3.4481.9064.656-2.081-1.583-0.8170.3390.914-0.039-1.0887.944-0.8483.8272.5325.3359.9920.157-1.1862.0781.4060.15511-10.9650.49-3.825127.97711-0.025
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.8-7.614.0-3.014.79.3-1.3-48.6-1.5-2.9-1.11.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-20.636-43.548-112.4442.961-44.485-16.162-102.819-14.473-7.5586.74-57.958-12.91932-21.637-34.871-11.895-12.244-15.532-23.259-11.314-11.582-24.954-46.3292.7-15.649-6.337-53.042-11.173-8.96411-67.2263.693-10.20518-6.413-53.464-12.96-4.713-4.202-89.637-6.72-2.458
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-21.9-41.1-102.42.8-43.7-17.2-109.5-14.7-8.07.1-58.3-13.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value45-57.1132745-36.926
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax47.8-54.026.345.1-39.2

None

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value61-5.553672775-29.503333335-29.0725332-19.744-1.812543033-2.5312132350.34235162.933-0.095344126-26.44342-5.26739-56.267281934-10.63626149.1183.142
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax65.0-5.261.626.674.1-31.335.433.837.2-30.853.933.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2820363431322530292720252322262324185.879172020151822191918151521101618169.60615121213118.88
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.319.433.432.430.834.527.231.331.729.220.525.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value282034313230
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax30.319.432.430.834.531.3
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.0

None

us-gaap:ProfitLoss

us-gaap:ProfitLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value328.068373632392529252820252222262324175.8281620201518221919198.5091522121518169.54215121213118.89
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax34.27.634.634.732.142.426.930.227.130.620.926.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-12.0674.716-6.46411-5.5929.415-10.27411-12.0638.026-8.51811-9.58913-12.96514-6.418.294-7.9227.996-10.04110-9.94410-8.1789.344-11.5296.346-12.30614-14.80212-6.96114-11.17810-2.7219.012-2.1578.777-3.7226.229
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.0590.281-0.0120.074-0.0240.058-0.5-2.856-2.0053.9880.819-2.276-4.2635.406-1.725-1.736-1.5054.066-2.5051.436-4.41812-0.926-2.292-1.8894.828-1.977-2.202-2.3793.471-2.127-1.362-1.5974.913-1.763-1.589-1.4624.399-1.473-1.005-1.1923.893
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.5916.976.7927.2537.0986.6686.9195.9626.0075.7385.4235.6295.3895.3284.8164.8414.927.0725.5635.1965.9375.996.3966.346.2635.9325.3535.4345.8744.8784.4614.064.5794.4625.7714.3194.3824.2033.7963.8193.8143.671
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.501-8.01215-3.179148.739-1.176-47.836-1.439-2.743-1.0741.0659.166-3.4481.9064.656-2.081-1.583-0.8170.3390.914-0.039-1.0887.944-0.8483.8272.5325.3359.9920.157-1.1862.0781.4060.15511-10.9650.49-3.825127.97711-0.025
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax4.8-7.614.0-3.014.79.3-1.3-48.6-1.5-2.9-1.11.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.7210.8430.5550.6140.5940.9890.9660.7510.8470.9060.8010.8890.9030.6492.8292.1213.7851.4480.7870.8270.8130.01.0272.7281.4560.7051.9031.5011.411.4161.0040.7980.5051.0540.7080.9840.50.7351.140.9450.3630.406
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-20.636-43.548-112.4442.961-44.485-16.162-102.819-14.473-7.5586.74-57.958-12.91932-21.637-34.871-11.895-12.244-15.532-23.259-11.314-11.582-24.954-46.3292.7-15.649-6.337-53.042-11.173-8.96411-67.2263.693-10.20518-6.413-53.464-12.96-4.713-4.202-89.637-6.72-2.458
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-21.9-41.1-102.42.8-43.7-17.2-109.5-14.7-8.07.1-58.3-13.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

None

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value1818111171717132151515591212123411111134111111549.858190.0538.855737.8756.482494.26989
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.068250.00.0230.032100.00.0450.049100.00.0690.0329.040.00.1030.5627.3750.00.0540.471180.0370.0980.994100.0080.0520.1047.7980.0070.0880.0918.2980.0170.1760.1316.3230.0120.1270.3362.911
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

None

us-gaap:EffectiveIncomeTaxRateContinuingOperations us-gaap:IncomeTaxAuthority

us-gaap:EffectiveIncomeTaxRateContinuingOperations

cns:USFederalStateLocalAndForeignTaxes


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-30
Value0.280.0220.2330.2420.2420.2550.2490.2270.4120.3840.3580.3820.3550.380.4030.370.370.3710.3460.3650.380.390.350.3300.360.46
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

None

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-31
Value88421011281025692164193183
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:IncreaseDecreaseInOperatingLeaseLiabilityNoncurrent

cns:IncreaseDecreaseInOperatingLeaseLiabilityNoncurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-2871000.0-2762000.0-2698000.0-2798000.0-2739000.0-2720000.0-2568000.0-2531000.0-2670000.0-1773000.0
Percentage of IncreaseDecreaseInOperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedGains us-gaap:RelatedPartyTransactionsByRelatedParty

cns:RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedGains

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00209000.0032000.00028000.000
Percentage of RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedGains0.00.0100.00.0100.00.00.0100.00.00.0

cns:RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedLosses us-gaap:RelatedPartyTransactionsByRelatedParty

cns:RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedLosses

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00000907000.001000.04447000.00
Percentage of RelatedPartyTransactionsAvailableforsaleSecuritiesGrossRealizedLosses0.00.00.00.00.0100.00.0100.0100.00.0

cns:RelatedPartyTransactionsDividendIncome us-gaap:RelatedPartyTransactionsByRelatedParty

cns:RelatedPartyTransactionsDividendIncome

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1000.01000.021000.01000.028000.02000.0112000.0102000.0115000.0152000.0
Percentage of RelatedPartyTransactionsDividendIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:RelatedPartyTransactionsProceedsfromSaleMaturityandCollectionofInvestments us-gaap:RelatedPartyTransactionsByRelatedParty

cns:RelatedPartyTransactionsProceedsfromSaleMaturityandCollectionofInvestments

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.00.007100.05.399210.093.0537.7290.0
Percentage of RelatedPartyTransactionsProceedsfromSaleMaturityandCollectionofInvestments0.0100.0100.00.0100.0100.0100.0100.0100.00.0

cns:RevenueFromRelatedPartiesDistributionAndServiceFees us-gaap:RelatedPartyTransactionsByRelatedParty

cns:RevenueFromRelatedPartiesDistributionAndServiceFees

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value6.937.7837.9767.6817.4186.9736.9827.4517.2577.4
Percentage of RevenueFromRelatedPartiesDistributionAndServiceFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:RevenueFromRelatedPartiesInvestmentAdvisoryAndAdministrativeFees us-gaap:RelatedPartyTransactionsByRelatedParty

cns:RevenueFromRelatedPartiesInvestmentAdvisoryAndAdministrativeFees

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value61687068655959625959
Percentage of RevenueFromRelatedPartiesInvestmentAdvisoryAndAdministrativeFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders us-gaap:StatementEquityComponents

cns:SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value2.170.6931927100.892
Percentage of SubscriptionsFromRedemptionsAndDistributionsToNoncontrollingInterestHolders100.0100.0100.0100.0100.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value84000.084000.085000.0107000.0242000.059000.0149000.097000.0000
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:AmortizationOfDeferredSalesCommissions

us-gaap:AmortizationOfDeferredSalesCommissions


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value442000.0443000.0343000.0267000.0233000.0236000.0294000.0362000.0430000.0473000.0455000.0587000.0804000.0954000.0517000.0453000.0388000.0444000.0545000.0658000.0776000.0810000.0765000.0705000.0595000.0545000.0496000.0489000.0497000.0415000.0343000.0293000.0244000.0232000.0190000.0
Percentage of AmortizationOfDeferredSalesCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.390.392.360.360.360.362.830.330.330.331.280.280.280.280.760.260.260.260.750.250.250.251.220.220.220.221.20.20.20.2
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:Dividends, us-gaap:SubsequentEventType

us-gaap:DividendDeclared, us-gaap:SubsequentEvent


None
Period End2020-08-062020-05-072020-02-202019-11-072019-08-012019-05-012019-02-212018-11-072018-08-022018-05-032018-02-222017-11-082017-08-032017-05-042017-02-232016-11-022016-08-042016-05-052016-02-252015-11-032015-02-262014-11-042014-08-072014-05-08
Value0.390.390.390.360.360.360.360.330.330.330.330.280.280.280.280.260.260.260.260.250.251.00.220.22
Percentage of CommonStockDividendsPerShareDeclared0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CostMethodInvestmentsRealizedGainLoss

us-gaap:CostMethodInvestmentsRealizedGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-4.191-1.237.1091.3594.526-0.767-1.041-0.278-0.3220.155
Percentage of CostMethodInvestmentsRealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationAmortizationAndAccretionNet

us-gaap:DepreciationAmortizationAndAccretionNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1228000.01152000.01079000.01100000.01115000.01102000.01068000.01138000.01205000.01062000.0
Percentage of DepreciationAmortizationAndAccretionNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-133000.0137000.099000.0173000.012000.0347000.0-2107000.0228000.01264000.0-880000.011000.0260000.0-888000.0-1302000.02427000.0-2348000.03538000.0-1156000.0-481000.0-1713000.0-281000.0-394000.0-2081000.0-946000.0-538000.0380000.0-2378000.0982000.0-3914000.0798000.0-352000.01064000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentRisk

cns:CommoditySwapContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-381000.02141000.0-350000.0211000.0395000.0-741000.0739000.0000
Percentage of DerivativeGainLossOnDerivativeNet286.51562.8-353.5122.03291.7-213.5-35.10.00.0-0.0

us-gaap:CommodityContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value412000.0-2101000.0376000.0-236000.0-155000.0896000.0-1900000.0-186000.027000.0-34000.0294000.0124000.0-409000.0-447000.0182000.0-2270000.02823000.0100000.0-645000.0-1221000.0164000.0-465000.0-1409000.0-2221000.0-198000.0548000.0-936000.01087000.0-3747000.0-93000.0-982000.01585000.0
Percentage of DerivativeGainLossOnDerivativeNet-309.8-1533.6379.8-136.4-1291.7258.290.2-81.62.13.92672.747.746.134.37.596.779.8-8.7134.171.3-58.4118.067.7234.836.8144.239.4110.795.7-11.7279.0149.0

us-gaap:ForeignExchangeContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value-164000.097000.073000.0198000.0-228000.0192000.0-946000.0414000.01237000.0-846000.0-283000.0136000.0-479000.0-855000.02245000.0-78000.0715000.0-1256000.0164000.0-492000.0-445000.071000.0-672000.01275000.0-340000.0-168000.0-1442000.0-105000.027000.01302000.0615000.0-520000.0
Percentage of DerivativeGainLossOnDerivativeNet123.370.873.7114.5-1900.055.344.9181.697.996.1-2572.752.353.965.792.53.320.2108.7-34.128.7158.4-18.032.3-134.863.2-44.260.6-10.7-0.7163.2-174.7-48.9

us-gaap:Dividends

us-gaap:Dividends


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value18191717
Percentage of Dividends100.0100.0100.0100.0

us-gaap:Dividends us-gaap:ConsolidatedEntities

srt:Subsidiaries


None
Period End2020-03-31
Value14
Percentage of Dividends77.7

us-gaap:Dividends us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value181911517-17.6621713716151661131313361212123511111156101010549.09627-9.113125-8.079-8.067-8.092-6.627-51.944-6.627-6.619
Percentage of Dividends100.0100.00.00.0-100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsShareBasedCompensation

us-gaap:DividendsShareBasedCompensation


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value342000.0388000.04052000.0638000.0636000.0647000.04887000.0549000.0551000.0557000.02075000.0443000.0411000.0427000.01087000.0339000.0263000.0283000.0962000.0263000.0209000.0250000.02026000.0256000.0244000.0167000.01159000.0241000.0239000.0262000.0
Percentage of DividendsShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-31
Value156000.0-1279000.0-1434000.0-163000.0579000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value00.2100.210.210.2100.210.21
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate0.0100.00.0100.0100.0100.00.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAmortization

us-gaap:FinanceLeaseRightOfUseAssetAmortization


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.5662.4792.3932.5992.5452.5112.5212.5172.6131.713
Percentage of FinanceLeaseRightOfUseAssetAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value403000.0-158000.0-49000.0-118000.0-19000.0177000.0545000.0-1525000.0-367000.01136000.031000.0-174000.01548000.0-1452000.0-2882000.0-40000.0-397000.01635000.0256000.0-226000.0-439000.0852000.02386000.0-2096000.01058000.0-760000.0-309000.0617000.0820000.0-1750000.0-1970000.01962000.0389000.0-953000.088000.0596000.0147000.0-2000.0178000.099000.0210000.0-117000.0
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1448000.0-1289000.0-1185000.01700000.0-57000.0-1633000.0-27000.02159000.0-413000.0543000.0-1693000.0835000.0641000.0-4000.0-655000.01042000.0272000.0-399000.0-738000.0605000.0-2409000.01739000.0
Percentage of IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value100.9682.041.513-8.7028.68-0.294.644-8.6923.1097.533.779-7.3236.5310.1783.392-7.0385.5785.2720.1230.238-0.4020.831.894-5.9360.192-1.271-0.94.604-3.4596.235-3.1823.656-2.264-2.813-0.1125.036-6.4993.4864.424-0.595-0.258
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInBrokerageReceivables

us-gaap:IncreaseDecreaseInBrokerageReceivables


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.352-1.598-1.9340.994-1.2741.2257.99-5.185-0.3555.361-0.138-7.885120.58-0.8080.4640.9590.646-0.0074.3270.469-0.49-1.02
Percentage of IncreaseDecreaseInBrokerageReceivables100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredCharges

us-gaap:IncreaseDecreaseInDeferredCharges


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value302000.0440000.0561000.0443000.0325000.0299000.0183000.0207000.0244000.0348000.0493000.0449000.0509000.0443000.0512000.01277000.01166000.0954000.0760000.0484000.0660000.0668000.0530000.0505000.0555000.0366000.0303000.0350000.0976000.0770000.0653000.0913000.0650000.0765000.0368000.0451000.0577000.0519000.0404000.0345000.0243000.0229000.0
Percentage of IncreaseDecreaseInDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities

us-gaap:IncreaseDecreaseInEmployeeRelatedLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9249000.0-35309000.010719000.013859000.012208000.0-32366000.011992000.010956000.010581000.0-31188000.011013000.011319000.09502000.0-25770000.08788000.011279000.08325000.0-23537000.08328000.06914000.08610000.0-21624000.07164000.07350000.07296000.0-18695000.05713000.06146000.05928000.0-17939000.03334000.08944000.07612000.0-16851000.03925000.06716000.06825000.0-14021000.06931000.05145000.04413000.0-8097000.0
Percentage of IncreaseDecreaseInEmployeeRelatedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-3.031-0.4590.1034.6851.473-5.4543.1251.105-0.9480.6471.064-0.3872.85-2.5811.141.317-0.250.0150.7462.748-0.971-1.0770.0280.6213.483-2.7920.5169.292-3.7537.638-2.1592.3441.0423.203-2.462.9131.392-2.6842.8390.8840.512-0.558
Percentage of IncreaseDecreaseInOtherAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4206000.02343000.0-3405000.03661000.0-3433000.03297000.0524000.0690000.0-262000.01737000.087000.0263000.0182000.044000.01654000.0-854000.0-121000.0763000.01066000.0-707000.0-397000.01304000.0-1276000.0-1545000.02436000.0-424000.0752000.0-1298000.0248000.0-1244000.0-256000.01726000.0-324000.0-107000.0425000.0521000.0338000.0313000.0-498000.0-194000.0839000.0-693000.0
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPayablesToBrokerDealers

us-gaap:IncreaseDecreaseInPayablesToBrokerDealers


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.02-0.284-1.267-0.3681.3630.3171.328-1.682-1.6623.855-0.456-8.097110.0-0.5770.55-0.0221.82-0.1284.471-0.4690.491.02-0.992-1.390.225-1.0685.33-7.438-5.65-4.8291.1254.343-11.817-3.6990.0-0.2320.2320.0-0.70.02.487
Percentage of IncreaseDecreaseInPayablesToBrokerDealers100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.00.0100.0

us-gaap:IncreaseDecreaseInTradingSecurities

us-gaap:IncreaseDecreaseInTradingSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.5792.011-1.65717-20.3711826128.28534-0.8730.533582.20.1640.294-0.9724.47255.374-0.7370.3379.11712291.2043.817-4.776-3.646166.399112.0845-4.542-3.3570.884-0.378-0.001-0.008120.189
Percentage of IncreaseDecreaseInTradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeInterestAndDividend

us-gaap:InvestmentIncomeInterestAndDividend


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.8931.1491.5421.7131.921.5412.9922.7472.8861.8011.6231.4250.7860.4990.6520.3670.5580.5420.560.2910.450.2990.6170.610.5920.2390.7730.2180.7430.5460.7620.4780.6690.6210.2690.260.3550.1840.1820.710.3660.195
Percentage of InvestmentIncomeInterestAndDividend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value343834373633343332313231302928302828272528252626252422242423182522212021211920181716
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MarketableSecuritiesUnrealizedGainLoss

us-gaap:MarketableSecuritiesUnrealizedGainLoss


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value11-20.797-5.6463.113-2.65214-8.5310.691-0.281-4.657
Percentage of MarketableSecuritiesUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAttributableToRedeemableNoncontrollingInterest

us-gaap:NoncontrollingInterest


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value3.642-12.5042.3811.3167.434-1.059
Percentage of NetIncomeLossAttributableToRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation us-gaap:FinancialInstrument

us-gaap:NoncontrollingInterestDecreaseFromDeconsolidation

cns:CohenSteersSICAVGlobalPreferredSecuritiesFund


None
Period End2020-06-302020-03-312019-12-312019-09-30
Value0.01140.00.0
Percentage of NoncontrollingInterestDecreaseFromDeconsolidation0.0100.00.00.0

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest

us-gaap:PaymentsForRepurchaseOfRedeemableNoncontrollingInterest


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value3.3761.9467.5053.952292.9856.5290.0952.2861.9520.2140.00.0380.0110.1490.0120.0540.1270.0030.0070.00.04.0294.2130.6150.130.03.5788.911.7544.7912.5261.1210.00.03.734
Percentage of PaymentsForRepurchaseOfRedeemableNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:PaymentsToAcquireMarketableSecurities

us-gaap:PaymentsToAcquireMarketableSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value-0.8799.63429-5.96524533.4873.8569.545
Percentage of PaymentsToAcquireMarketableSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value259000.0259000.0122000.0206000.0139000.0274000.088000.0132000.0158000.0219000.0100000.0133000.0184000.0219000.0117000.0140000.0179000.0206000.089000.0109000.0141000.0200000.086000.0110000.0156000.0139000.072000.086000.0116000.0134000.082000.0102000.0118000.0137000.085000.094000.0118000.0169000.078000.090000.0108000.0150000.0
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsToMinorityShareholders

us-gaap:ProceedsFromPaymentsToMinorityShareholders


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1.2062.6396.576231.47513360.98710341.5250.001440.1740.1110.0350.1433.734100.0040.0440.23512165.4371.820.01.213171811146.62230.00.00.00.00.00.0
Percentage of ProceedsFromPaymentsToMinorityShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionsOfInvestments


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-03-31
Value4.3432.392269.59346.2542.8971.9936.746
Percentage of ProceedsFromSaleMaturityAndCollectionsOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value073000.000
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment0.0100.00.00.0

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.93.23.23.22.42.42.22.11.62.7
Percentage of RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value67767875726666696666
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SponsorFees

us-gaap:SponsorFees


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value121414141213
Percentage of SponsorFees100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value15000.016000.08000.00
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures100.0100.0100.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312013-12-312013-09-302012-12-312011-12-312011-09-302011-06-302011-03-31
Value15000.016000.0252000.07000.08000.0033000.023000.08000.010000.019000.067000.04000.000029000.0002000.00-1000.00-1000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures100.0100.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


None
Period End2020-06-302020-03-312019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value516000.0553000.0786000.0797000.01159000.0241000.0239000.0262000.03119000.0204000.0195000.0217000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value516000.0553000.04321000.01135000.0786000.0797000.05037000.0699000.0701000.0733000.02225000.0593000.0560000.0596000.01213000.0464000.0372000.0408000.01062000.0363000.0309000.0375000.02125000.0332000.0316000.0272000.01233000.0316000.0314000.0826000.03195000.0287000.0289000.0823000.0219000.02340000.0215000.0608000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.00.00.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0106.4131.1131.4315.3102.4140.7148.2379.30.00.00.00.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


None
Period End2020-06-302020-03-312019-06-302019-03-31
Value0.068250.03210
Percentage of StockRepurchasedDuringPeriodValue100.0100.0100.0100.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.068250.0-0.023-0.032100.0-0.045-0.049100.00.0690.0329.040.00.1030.5627.3750.00.0540.471180.0370.0980.994100.0080.05215-7.79816-0.088-0.091-8.298-0.017-0.176-0.131-6.323
Percentage of StockRepurchasedDuringPeriodValue100.0100.00.00.0-100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value746000.0940000.01096000.0871000.0496000.0694000.0492000.0469000.0661000.0529000.0360000.0545000.0394000.0387000.0330000.0343000.0739000.0850000.0705000.0850000.0789000.0696000.0745000.0715000.0585000.0785000.0896000.0620000.0
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cns:DistributionAndServiceFeesPayable

cns:DistributionAndServiceFeesPayable


None
Period End2020-06-302020-03-312019-12-31
Value7477000.06029000.07318000.0
Percentage of DistributionAndServiceFeesPayable100.0100.0100.0

srt:NetCapital us-gaap:FinancialInstrument

srt:NetCapital

cns:SecuritiesRegisteredDomestically


None
Period End2020-06-302020-03-31
Value3.33.1
Percentage of NetCapital100.0100.0

cns:SecuritiesRegulatedByForeignEntitiesAsia


None
Period End2020-06-302020-03-31
Value2.410
Percentage of NetCapital72.7338.7

cns:SecuritiesRegulatedByForeignEntitiesJapan


None
Period End2020-03-31
Value0.463
Percentage of NetCapital14.9

cns:SecuritiesRegulatedByForeignEntitiesUK


None
Period End2020-06-302020-03-31
Value2620
Percentage of NetCapital793.9674.2

srt:PayablesToBrokerDealersAndClearingOrganizations

srt:PayablesToBrokerDealersAndClearingOrganizations


None
Period End2020-06-302020-03-312019-12-31
Value62000.082000.0366000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations100.0100.0100.0

srt:PayablesToBrokerDealersAndClearingOrganizations us-gaap:ConsolidatedEntities

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value62000.0229000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations100.062.6

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value092000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations0.025.1

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value62000.0366000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations100.0100.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value045000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations0.012.3

srt:PayablesToBrokerDealersAndClearingOrganizations us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-31
Value43000.0229000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations52.462.6

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-31
Value25000.092000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations30.525.1

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-31
Value82000.0366000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations100.0100.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-31
Value14000.045000.0
Percentage of PayablesToBrokerDealersAndClearingOrganizations17.112.3

us-gaap:AccountsPayableRelatedPartiesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsPayableRelatedPartiesCurrent

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value1079000.01700000.01498000.0813000.01080000.0845000.0
Percentage of AccountsPayableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGross

us-gaap:AccountsReceivableGross


None
Period End2020-06-302020-03-312019-12-31
Value516359
Percentage of AccountsReceivableGross100.0100.0100.0

us-gaap:AccountsReceivableRelatedPartiesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccountsReceivableRelatedPartiesCurrent

srt:AffiliatedEntity


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2324272625232123
Percentage of AccountsReceivableRelatedPartiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax


None
Period End2020-06-302019-12-31
Value-7422000.0-6326000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax100.0100.0

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

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value79768999761076236
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value17141518262911163
Percentage of AssetsFairValueDisclosure21.718.416.918.234.627.3177.2175.4

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.8370.8441.0261.1240.6320.6190.6867.02
Percentage of AssetsFairValueDisclosure1.11.11.11.10.80.61.119.2

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value147141155168152187224108
Percentage of AssetsFairValueDisclosure185.6184.4173.8169.3201.0174.2357.4296.3

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:FixedIncomeSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value49494949494949
Percentage of AssetsFairValueDisclosure62.964.955.850.065.646.479.0

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

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value7332851009249781731211405160566058596055606159453820484535
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value73328510092497817312114051605660585961
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


None
Period End2020-06-302020-03-312019-12-31
Value6902000.06836000.07091000.0
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0

us-gaap:DerivativeAssetNotionalAmount

us-gaap:DerivativeAssetNotionalAmount


None
Period End2020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value111214283924278.939282125206.0237.0034.6366.3234.525162717262921182134384123226.98
Percentage of DerivativeAssetNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetNotionalAmount us-gaap:DerivativeInstrumentRisk

cns:CommoditySwapContract


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-31
Value0.00.00.08.9078.761
Percentage of DerivativeAssetNotionalAmount0.00.00.00.031.2

us-gaap:CommodityContract


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value11121417192113278.9397.6648.0694.6446.5386.0237.0034.6363.9624.5255.1084.2026.0959.5298.6098.1158.121231217146.204
Percentage of DerivativeAssetNotionalAmount100.0100.0100.00.068.853.853.4100.0100.027.037.118.232.1100.0100.0100.062.7100.030.415.434.935.7100.040.142.837.868.631.243.463.127.8

us-gaap:ForeignExchangeContract


None
Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.00.00.0160.018110.00.0201320130.00.00.02.3610.0112311170.01210131019130.00.0
Percentage of DerivativeAssetNotionalAmount0.00.00.00.00.046.246.60.00.073.062.981.867.90.00.00.037.30.069.684.665.164.30.059.957.262.231.449.433.10.00.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeAssets

us-gaap:CommodityContract, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value341000.0582000.0570000.0617000.0343000.0499000.0486000.0920000.0487000.0108000.0343000.0321000.0290000.0141000.0415000.0141000.0234000.0436000.01184000.0474000.0305000.0230000.0826000.0376000.0336000.01097000.0400000.0
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312015-12-312015-06-302015-03-312014-12-312014-09-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value58000.0229000.074000.050000.05000.0114000.03081000.000562000.01417000.010000.0119000.0563000.0505000.01165000.0263000.0398000.0109000.0159000.01946000.0616000.0
Percentage of DerivativeAssets17.039.313.08.11.522.8634.00.00.0520.4413.13.428.7399.3215.8267.255.5130.547.419.2517.6183.3

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

us-gaap:CommodityContract, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value341000.0582000.0570000.0617000.0343000.0499000.0486000.0920000.0487000.0108000.0343000.0321000.0290000.0141000.0415000.0141000.0234000.0305000.0
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-03-312016-12-312015-12-312015-06-302015-03-312014-12-312013-12-31
Value58000.0229000.074000.050000.05000.0114000.03081000.00562000.01417000.010000.0119000.0563000.0505000.0398000.0
Percentage of DerivativeAssets17.039.313.08.11.522.8634.00.0520.4413.13.428.7399.3215.8130.5

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value341000.0582000.0570000.0617000.0343000.0499000.0486000.0920000.0487000.0108000.0343000.0321000.0290000.0141000.0415000.0141000.0234000.0436000.01184000.0474000.0305000.0230000.0826000.0446000.0387000.01222000.0533000.048000.0
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0118.6115.2111.4133.20.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value58000.0229000.074000.0224000.0177000.0114000.0739000.000562000.01417000.0010000.00119000.0563000.0505000.01165000.00263000.0398000.0109000.0159000.01949000.0668000.0184000.077000.0100000.0
Percentage of DerivativeAssets17.039.313.036.351.622.8152.10.00.0520.4413.10.03.40.028.7399.3215.8267.20.055.5130.547.419.2518.4198.816.819.20.0

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value399000.0811000.0644000.0841000.0520000.0613000.01225000.0920000.0487000.0670000.01760000.0321000.0300000.0141000.0534000.0704000.0739000.0703000.0
Percentage of DerivativeAssets117.0139.3113.0136.3151.6122.8252.1100.0100.0620.4513.1100.0103.4100.0128.7499.3315.8230.5

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value399000.0811000.0644000.0841000.0520000.0613000.01225000.01210000.0670000.0920000.0487000.0523000.0427000.0670000.01760000.0307000.0427000.0321000.0300000.0141000.0534000.0704000.0739000.01601000.01184000.0737000.0703000.0339000.0985000.01055000.0
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral us-gaap:DerivativeInstrumentRisk

cns:CommoditySwapContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value000174000.0172000.00739000.0
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral0.00.00.020.733.10.060.3

us-gaap:CommodityContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value341000.0582000.0570000.0617000.0343000.0499000.0486000.0469000.0343000.0920000.0487000.0304000.0344000.0108000.0343000.0307000.0427000.0321000.0290000.0141000.0415000.0141000.0234000.0436000.01184000.0474000.0305000.0230000.0826000.0336000.0
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral85.571.888.573.466.081.439.738.851.2100.0100.058.180.616.119.5100.0100.0100.096.7100.077.720.031.727.2100.064.343.467.883.931.8

us-gaap:ForeignExchangeContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value58000.0229000.074000.050000.05000.0114000.00741000.0327000.000219000.083000.0562000.01417000.000010000.00119000.0563000.0505000.01165000.00263000.0398000.0109000.0159000.0616000.0
Percentage of DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral14.528.211.55.91.018.60.061.248.80.00.041.919.483.980.50.00.00.03.30.022.380.068.372.80.035.756.632.216.158.4

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value381000.01920000.0556000.0570000.0454000.0540000.02386000.0596000.0579000.01692000.0350000.0254000.0287000.0385000.0266000.01108000.01015000.01633000.0644000.0716000.0403000.0419000.0766000.01816000.0673000.0241000.0275000.0450000.03037000.0627000.0
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral us-gaap:DerivativeInstrumentRisk

cns:CommoditySwapContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value49000.049000.0173000.0002000.00
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral12.92.631.10.00.00.40.0

us-gaap:CommodityContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value237000.01769000.0339000.0477000.0208000.0411000.02181000.0596000.0579000.0782000.0286000.0254000.0287000.0385000.0266000.0280000.0265000.0168000.0425000.0342000.0403000.0419000.0754000.01816000.0563000.0208000.0275000.0263000.02905000.0492000.0
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral62.292.161.083.745.876.191.4100.0100.046.281.7100.0100.0100.0100.025.326.110.366.047.8100.0100.098.4100.083.786.3100.058.495.778.5

us-gaap:ForeignExchangeContract


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value95000.0102000.044000.093000.0246000.0127000.0205000.000910000.064000.00000828000.0750000.01465000.0219000.0374000.00012000.00110000.033000.00187000.0132000.00
Percentage of DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral24.95.37.916.354.223.58.60.00.053.818.30.00.00.00.074.773.989.734.052.20.00.01.60.016.313.70.041.64.30.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:DerivativeLiabilities

cns:CommoditySwapContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-03-31
Value49000.049000.0173000.02000.0
Percentage of DerivativeLiabilities100.0100.0100.0100.0

us-gaap:CommodityContract, us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value237000.01769000.0339000.0477000.0208000.0411000.02181000.0782000.0286000.0385000.0266000.0168000.0425000.0342000.0403000.0419000.0754000.01816000.0563000.0208000.0275000.0263000.02905000.0492000.0
Percentage of DerivativeLiabilities483.73610.2196.00.00.020550.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeContract, us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312016-03-312015-12-312015-09-302014-12-312014-06-302014-03-312013-09-302013-06-30
Value95000.0102000.044000.093000.0246000.0127000.0205000.0910000.064000.01465000.0219000.0374000.012000.0110000.033000.0187000.0132000.0
Percentage of DerivativeLiabilities193.9208.225.40.00.06350.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilities us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByMeasurementFrequency

cns:CommoditySwapContract, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-03-31
Value49000.049000.0173000.02000.0
Percentage of DerivativeLiabilities100.0100.0100.0100.0

us-gaap:CommodityContract, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value237000.01769000.0339000.0477000.0208000.0411000.02181000.0782000.0286000.0385000.0266000.0168000.0425000.0342000.0403000.0419000.0754000.0275000.0
Percentage of DerivativeLiabilities483.73610.2196.00.00.020550.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignExchangeContract, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312016-03-312015-12-312015-09-302014-12-31
Value95000.0102000.044000.093000.0246000.0127000.0205000.0910000.064000.01465000.0219000.0374000.012000.0
Percentage of DerivativeLiabilities193.9208.225.40.00.06350.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value237000.01769000.0339000.0477000.0208000.0411000.02181000.0782000.0286000.0385000.0266000.0168000.0425000.0342000.0403000.0419000.0754000.01816000.0563000.0208000.0275000.0263000.02905000.0496000.0
Percentage of DerivativeLiabilities483.73610.2196.00.00.020550.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value144000.0151000.0217000.093000.0246000.0129000.0205000.0910000.064000.0001465000.0219000.0374000.00012000.00110000.033000.00187000.0132000.0131000.0
Percentage of DerivativeLiabilities293.9308.2125.40.00.06450.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-312017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value381000.01920000.0556000.0570000.0454000.0540000.02386000.01692000.0350000.0385000.0266000.01633000.0644000.0716000.0403000.0419000.0766000.0275000.0
Percentage of DerivativeLiabilities777.63918.4321.40.00.027000.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeLiabilityNotionalAmount

us-gaap:DerivativeLiabilityNotionalAmount


None
Period End2020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value20292414134.86733194.9677.4418.7634.82530192322248.4757.5719.1992325125.73813574517382610
Percentage of DerivativeLiabilityNotionalAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilityNotionalAmount us-gaap:DerivativeInstrumentRisk

cns:CommoditySwapContract


None
Period End2020-06-302020-03-312019-12-312018-12-31
Value7.7847.08.9090.0
Percentage of DerivativeLiabilityNotionalAmount38.824.136.60.0

us-gaap:CommodityContract


None
Period End2020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value3.1683.7114.6233.434134.867126.8764.9677.4418.7634.8253.8074.7074.497.3375.7458.4757.5718.97723137.0775.7386.6715026105.4869.054
Percentage of DerivativeLiabilityNotionalAmount15.812.819.023.8100.0100.036.635.9100.0100.0100.0100.012.724.718.832.923.8100.0100.097.6100.053.255.0100.050.988.757.563.014.234.4

us-gaap:ForeignExchangeContract


None
Period End2020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value9.0911810100.00.021120.00.00.00.026141914180.00.00.2220.0115.780.06.4336.4332.6250.0280.0
Percentage of DerivativeLiabilityNotionalAmount45.463.144.476.20.00.063.464.10.00.00.00.087.375.381.267.176.20.00.02.40.046.845.00.049.111.35.70.073.30.0

us-gaap:DueFromCorrespondentBrokers

us-gaap:DueFromCorrespondentBrokers


None
Period End2020-06-302020-03-312019-12-31
Value497000.0145000.01743000.0
Percentage of DueFromCorrespondentBrokers100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value221248372311433120104130199.5363526156.9413022156.6512821136.492519137.4172522135.9542319125.8720
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:EquityMethodInvestmentOwnershipPercentage us-gaap:InvestmentType

us-gaap:EquityMethodInvestmentOwnershipPercentage

us-gaap:EquityMethodInvestments


None
Period End2020-06-302019-12-31
Value0.0020.01
Percentage of EquityMethodInvestmentOwnershipPercentage100.0100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.4510.4070.554110.0240.0230.0260.028956.1765.9865.8926.176.459212131166.3097.44727280.107262524247.5328.3498.1067.778.5548.6767.86833383843
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:EquityMethodInvestments


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-31
Value0.00.0100.00.00.00.00.00.00.00.00.0151411
Percentage of EquityMethodInvestments0.00.095.20.00.00.00.00.00.00.00.00.070.469.266.3

us-gaap:FairValueMeasuredAtNetAssetValuePerShare, us-gaap:FairValueMeasurementsRecurring, us-gaap:EquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.4510.4070.5540.5340.0240.0230.026
Percentage of EquityMethodInvestments100.0100.0100.04.8100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:FairValueByMeasurementFrequency, us-gaap:InvestmentType

us-gaap:FairValueMeasurementsRecurring, us-gaap:EquityMethodInvestments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-31
Value0.4510.4070.554110.0240.0230.0260.0280.0376.1765.9865.8926.459212116
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExcessCapital us-gaap:FinancialInstrument

us-gaap:ExcessCapital

cns:SecuritiesRegisteredDomestically


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.12.93.33.13.82.63.03.1
Percentage of ExcessCapital100.0100.0100.0100.0100.0100.0100.0100.0

cns:SecuritiesRegulatedByForeignEntitiesAsia


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.01010.06.62016
Percentage of ExcessCapital64.5348.3303.0212.9550.0650.0

cns:SecuritiesRegulatedByForeignEntitiesUK


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value211732293128
Percentage of ExcessCapital706.5593.1984.8964.5828.91111.5

us-gaap:HeldToMaturitySecurities

us-gaap:HeldToMaturitySecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value49494949494949
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecurities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:FairValueMeasurementsRecurring, us-gaap:FixedIncomeSecurities, us-gaap:HeldtomaturitySecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value49494949494949
Percentage of HeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0

us-gaap:HeldToMaturitySecuritiesFairValue

us-gaap:HeldToMaturitySecuritiesFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value5050504950494949
Percentage of HeldToMaturitySecuritiesFairValue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments

us-gaap:Investments


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value147141155168152187224207147139108
Percentage of Investments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments us-gaap:ConsolidatedEntities

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-06-302019-12-31
Value0.2710.337
Percentage of Investments0.20.2

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value2829
Percentage of Investments19.319.3

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value3345
Percentage of Investments22.429.3

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value6882
Percentage of Investments46.353.4

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value6.4747.048
Percentage of Investments4.44.5

us-gaap:Investments us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.3310.3370.4590.4810.4740.550.5740.7431.33
Percentage of Investments0.20.20.30.30.30.20.30.51.2

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value252922109.7958.929
Percentage of Investments17.719.313.36.85.24.0

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value3345504774
Percentage of Investments23.929.330.231.139.7

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value6582806490
Percentage of Investments46.053.447.842.448.5

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value5.9887.0486.776.486.2415.7045.8535.725.961
Percentage of Investments4.24.54.04.23.32.52.83.95.5

us-gaap:OtherAssets

us-gaap:OtherAssets


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value8.675107.433137.439119.2088.6268.2548.6987.0537.1096.897.0557.3826.3416.7786.4455.7655.0835.3045.6524.2296.2317.6265.2115.6736.5177.2956.2657.5047.8125.7685.9875.8255.7535.2783.5863.254
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value0.4250.268
Percentage of OtherAssets4.93.6

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value0.8610.681
Percentage of OtherAssets9.99.2

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value1.4511.041
Percentage of OtherAssets16.714.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value0.1650.092
Percentage of OtherAssets1.91.2

us-gaap:OtherAssets us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.3480.2683.0550.2220.3610.297
Percentage of OtherAssets3.23.622.53.03.33.2

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.7710.6810.9310.7810.772
Percentage of OtherAssets7.09.26.910.57.0

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.2371.0414.0611.121.337
Percentage of OtherAssets11.314.030.015.112.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.1180.0920.0750.1170.2040.1710.1410.1070.1860.0320.0350.0440.040.0430.0460.0560.0360.0530.048
Percentage of OtherAssets1.11.20.61.61.81.91.61.32.10.50.50.60.60.60.70.80.60.90.9

us-gaap:OtherLiabilities

us-gaap:OtherLiabilities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value101313139.3048.14713109.35710108.8989.7537.0889.6728.77.4657.8298.01511131315141718172326182017161114119.90612
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities us-gaap:ConsolidatedEntities

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value0.1990.213
Percentage of OtherLiabilities1.91.5

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value0.3070.466
Percentage of OtherLiabilities2.93.3

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value0.6210.784
Percentage of OtherLiabilities5.85.6

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value0.110.1
Percentage of OtherLiabilities1.00.7

us-gaap:OtherLiabilities us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.0050.0050.0050.0050.0050.0050.0050.0050.0050.0050.010.0050.0050.0050.0050.0050.0050.005
Percentage of OtherLiabilities0.00.00.00.10.10.00.00.10.00.00.10.10.10.10.10.10.10.1

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.1620.2133.0160.1650.1320.149
Percentage of OtherLiabilities1.21.521.61.81.61.1

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2550.4660.1530.2110.127
Percentage of OtherLiabilities1.83.31.12.31.6

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.5060.7843.2430.4720.327
Percentage of OtherLiabilities3.65.623.25.14.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0840.10.0690.0910.0630.0740.090.0720.0990.0870.0660.0460.070.070.0510.090.0780.050.024
Percentage of OtherLiabilities0.60.70.51.00.80.50.90.80.90.90.70.51.00.70.61.21.00.60.2

us-gaap:ReceivablesFromBrokersDealersAndClearingOrganizations us-gaap:ConsolidatedEntities

us-gaap:ReceivablesFromBrokersDealersAndClearingOrganizations

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-06-302019-12-31
Value0.0690.203
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations100.0100.0

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-06-302019-12-31
Value0.0670.613
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations97.1302.0

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-06-302019-12-31
Value0.3610.663
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations523.2326.6

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-06-302019-12-31
Value0.4971.743
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations720.3858.6

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-06-302019-12-31
Value0.00.264
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations0.0130.0

us-gaap:ReceivablesFromBrokersDealersAndClearingOrganizations us-gaap:VariableInterestEntitiesByClassificationOfEntity

cns:CohenSteersCoInvestmentPartnership


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.0750.2030.0860.1040.1050.1030.1180.1730.1910.2020.1970.1980.2630.2940.8360.2370.2290.207
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations0.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cns:CohenSteersSICAVDiversifiedRealAssetsFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.0590.6130.8580.6920.1840.167
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations0.0302.00.00.00.00.0

cns:CohenSteersSICAVGlobalRealEstateFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0110.6632.4372.0591.812
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations0.0326.60.00.00.0

cns:GLISICAVGRPCIPSICAVGREandSICAVRAP


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1451.7433.6773.3372.365
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations0.0858.60.00.00.0

cns:TheCohenSteersSICAVGlobalListedInfrastructureFund


None
Period End2020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.00.2640.2960.4820.2640.0490.2330.2790.190.2850.2450.2090.2570.1810.2350.270.1850.1764.556
Percentage of ReceivablesFromBrokersDealersAndClearingOrganizations0.0130.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RedeemableNoncontrollingInterestEquityCommonFairValue

us-gaap:RedeemableNoncontrollingInterestEquityCommonFairValue


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4341535338641148484814746450.9750.8530.8680.8910.689110.720.8520.7970.607197.4061.8430.2070.1927270534632284.7960.4363.3790.0
Percentage of RedeemableNoncontrollingInterestEquityCommonFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:SecurityOwnedAndPledgedAsCollateralFairValue

us-gaap:Investments


None
Period End2020-06-302020-03-312019-12-312018-12-312017-12-31
Value1.6753.191.7131.8070.414
Percentage of SecurityOwnedAndPledgedAsCollateralFairValue100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesDebt

us-gaap:TradingSecuritiesDebt


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value171414172629108
Percentage of TradingSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:FixedIncomeSecurities


None
Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-31
Value0.0830.00.00.00.00.0
Percentage of TradingSecuritiesDebt0.50.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:FixedIncomeSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value171414172629108
Percentage of TradingSecuritiesDebt99.5100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesDebt us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, us-gaap:FixedIncomeSecurities


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value171414172629108
Percentage of TradingSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockShares

us-gaap:TreasuryStockShares


None
Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value5674200.05673000.05329800.05329400.05329400.05328800.04789600.05050300.05049200.05048900.04789600.04789600.04787900.04508600.04524700.04524700.04522300.04508600.04250500.04250500.04248800.04236900.03800900.03800000.03797700.03773100.03481900.03481700.03480200.03477400.03239100.03238900.03236300.03233500.02986900.02986300.02981400.02734900.02734900.0
Percentage of TreasuryStockShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService
(None,)
None
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:StatementGeographical
(None,)
None
us-gaap:Assets
us-gaap:VariableInterestEntitiesByClassificationOfEntity
(None,)
None
us-gaap:Assets
us-gaap:ConsolidatedEntities
(None,)
None
us-gaap:Liabilities
us-gaap:VariableInterestEntitiesByClassificationOfEntity
(None,)
None
us-gaap:Liabilities
us-gaap:ConsolidatedEntities
(None,)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
(None, 'us-gaap:FairValueMeasurementsRecurring')
None
us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
('us-gaap:FairValueMeasurementsRecurring', None)
None
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
None
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
None