0001084580 2016-12-01 2017-02-28 0001084580 2017-02-28 0001084580 2016-11-30 0001084580 jef:VariableInterestEntitiesMember 2017-02-28 0001084580 jef:VariableInterestEntitiesMember 2016-11-30 0001084580 2015-12-01 2016-02-29 0001084580 us-gaap:NoncontrollingInterestMember 2017-02-28 0001084580 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2015-11-30 0001084580 us-gaap:NoncontrollingInterestMember 2015-11-30 0001084580 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2016-11-30 0001084580 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2016-12-01 2017-02-28 0001084580 jef:MembersPaidInCapitalMember 2015-12-01 2016-11-30 0001084580 jef:MembersPaidInCapitalMember 2016-11-30 0001084580 us-gaap:NoncontrollingInterestMember 2016-12-01 2017-02-28 0001084580 us-gaap:NoncontrollingInterestMember 2016-11-30 0001084580 jef:MembersPaidInCapitalMember 2017-02-28 0001084580 jef:MembersPaidInCapitalMember 2016-12-01 2017-02-28 0001084580 us-gaap:NoncontrollingInterestMember 2015-12-01 2016-11-30 0001084580 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2017-02-28 0001084580 us-gaap:AccumulatedOtherComprehensiveIncomeMember 2015-12-01 2016-11-30 0001084580 jef:MembersPaidInCapitalMember 2015-11-30 0001084580 2015-11-30 0001084580 2016-02-29 0001084580 jef:ThreePointEightSevenFivePercentageConvertibleSeniorDebenturesDueTwoThousandTwentyNineMember 2017-02-28 0001084580 jef:ClassificationErrorMember us-gaap:RestatementAdjustmentMember 2016-12-01 2017-02-28 0001084580 jef:ClassificationErrorMember 2016-12-01 2017-02-28 0001084580 jef:ClassificationErrorMember us-gaap:ScenarioPreviouslyReportedMember 2016-12-01 2017-02-28 0001084580 us-gaap:MinimumMember 2016-12-01 2017-02-28 0001084580 us-gaap:MaximumMember 2016-12-01 2017-02-28 0001084580 us-gaap:FairValueInputsLevel2Member 2016-11-30 0001084580 us-gaap:FairValueInputsLevel3Member us-gaap:CommercialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel1Member 2016-11-30 0001084580 us-gaap:FairValueInputsLevel3Member 2016-11-30 0001084580 us-gaap:FairValueInputsLevel1Member us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel2Member us-gaap:CommercialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel2Member jef:OtherAssetBackedSecuritiesMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel3Member jef:OtherAssetBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel2Member us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel1Member jef:OtherAssetBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel3Member us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:FairValueInputsLevel1Member us-gaap:CommercialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:LongTermDebtMember 2015-12-01 2016-02-29 0001084580 us-gaap:LongTermDebtMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansMember 2015-12-01 2016-02-29 0001084580 jef:LoanCommitmentsMember 2015-12-01 2016-02-29 0001084580 us-gaap:LoansMember 2016-12-01 2017-02-28 0001084580 jef:LoanCommitmentsMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember jef:FinancialInstrumentsOwnedMember jef:PresentValueMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2015-12-01 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 jef:VariableFundingNoteSwapsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:StockOptionMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:DefaultRateValuationTechniqueMember 2015-12-01 2016-11-30 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 us-gaap:StockOptionMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:ValuationTechniqueOptionModelMember 2015-12-01 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:PresentValueMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:ConvertibleBondModelMember 2015-12-01 2016-11-30 0001084580 us-gaap:DerivativeMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 us-gaap:EquitySwapMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:MarketPricingMember 2015-12-01 2016-11-30 0001084580 us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember 2016-11-30 0001084580 jef:VariableFundingNoteSwapsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:InvestmentsMember us-gaap:FairValueInputsLevel3Member jef:PrivateEquitySecuritiesMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2015-12-01 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2015-12-01 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:ConvertibleBondModelMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember jef:FinancialInstrumentsOwnedMember jef:MarketPricingMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2015-12-01 2016-11-30 0001084580 us-gaap:EquitySwapMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsOwnedMember jef:MarketPricingMember 2015-12-01 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember jef:FinancialInstrumentsOwnedMember jef:MarketPricingMember 2015-12-01 2016-11-30 0001084580 us-gaap:InvestmentsMember jef:PrivateEquitySecuritiesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember jef:FinancialInstrumentsOwnedMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:DerivativeMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember jef:FinancialInstrumentsOwnedMember jef:ValuationTechniqueOptionModelMember 2016-12-01 2017-02-28 0001084580 us-gaap:StockOptionMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:OptionModelDefaultRateValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember jef:FinancialInstrumentsOwnedMember jef:MarketPricingMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 jef:VariableFundingNoteSwapsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember 2017-02-28 0001084580 us-gaap:InvestmentsMember jef:PrivateEquitySecuritiesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 us-gaap:InvestmentsMember us-gaap:FairValueInputsLevel3Member jef:PrivateEquitySecuritiesMember us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 jef:VariableFundingNoteSwapsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsSoldNotYetPurchasedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:ConvertibleBondModelMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:ConvertibleBondModelMember 2016-12-01 2017-02-28 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember us-gaap:WeightedAverageMember jef:FinancialInstrumentsSoldNotYetPurchasedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember jef:FinancialInstrumentsOwnedMember 2017-02-28 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:PresentValueMember 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:WeightedAverageMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember 2015-12-01 2016-02-29 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2015-12-01 2016-02-29 0001084580 us-gaap:PrivateEquityFundsMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember 2016-12-01 2017-02-28 0001084580 us-gaap:InvestmentsMember 2015-12-01 2016-02-29 0001084580 jef:OtherAssetBackedSecuritiesMember 2015-12-01 2016-02-29 0001084580 jef:MultiassetFundsMember us-gaap:MaximumMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember 2015-12-01 2016-02-29 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-12-01 2017-02-28 0001084580 jef:MultiassetFundsMember 2017-02-28 0001084580 us-gaap:HedgeFundsEquityLongShortMember 2016-11-30 0001084580 us-gaap:HedgeFundsEquityLongShortMember 2017-02-28 0001084580 jef:MultiassetFundsMember 2016-11-30 0001084580 jef:MultiassetFundsMember us-gaap:MinimumMember 2016-12-01 2017-02-28 0001084580 jef:OtherSecuredFinancingsAtFairValueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember 2016-12-01 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2016-12-01 2017-02-28 0001084580 us-gaap:MunicipalBondsMember 2016-12-01 2017-02-28 0001084580 us-gaap:InvestmentsMember 2016-12-01 2017-02-28 0001084580 us-gaap:InvestmentsMember 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember 2016-11-30 0001084580 jef:OtherSecuredFinancingsAtFairValueMember 2016-11-30 0001084580 us-gaap:MunicipalBondsMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember 2016-12-01 2017-02-28 0001084580 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansMember 2017-02-28 0001084580 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2016-11-30 0001084580 jef:OtherSecuredFinancingsAtFairValueMember 2017-02-28 0001084580 us-gaap:InvestmentsMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2017-02-28 0001084580 us-gaap:MunicipalBondsMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:LoansMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2017-02-28 0001084580 jef:HighYieldHedgeFundsMember 2017-02-28 0001084580 us-gaap:HedgeFundsEquityLongShortMember 2016-12-01 2017-02-28 0001084580 jef:EquityFundMember 2017-02-28 0001084580 jef:FundOfFundsMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2015-12-01 2016-02-29 0001084580 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2016-02-29 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2015-12-01 2016-02-29 0001084580 us-gaap:EquitySecuritiesMember 2015-12-01 2016-02-29 0001084580 jef:OtherAssetBackedSecuritiesMember 2016-02-29 0001084580 us-gaap:LoansMember 2015-12-01 2016-02-29 0001084580 us-gaap:CorporateDebtSecuritiesMember 2015-12-01 2016-02-29 0001084580 us-gaap:SovereignDebtSecuritiesMember 2015-12-01 2016-02-29 0001084580 jef:OtherSecuredFinancingsAtFairValueMember 2016-02-29 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2015-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember 2015-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember 2015-11-30 0001084580 us-gaap:InvestmentsMember 2015-11-30 0001084580 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2015-12-01 2016-02-29 0001084580 us-gaap:InvestmentsMember 2016-02-29 0001084580 jef:OtherSecuredFinancingsAtFairValueMember 2015-12-01 2016-02-29 0001084580 us-gaap:EquitySecuritiesMember 2015-11-30 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2016-02-29 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2015-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember 2016-02-29 0001084580 us-gaap:LoansMember 2015-11-30 0001084580 jef:OtherSecuredFinancingsAtFairValueMember 2015-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember 2015-11-30 0001084580 us-gaap:LoansMember 2016-02-29 0001084580 us-gaap:EquitySecuritiesMember 2016-02-29 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2015-11-30 0001084580 us-gaap:SovereignDebtSecuritiesMember 2016-02-29 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2016-02-29 0001084580 us-gaap:EquitySecuritiesMember 2016-02-29 0001084580 us-gaap:EquitySecuritiesMember 2015-11-30 0001084580 us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember 2015-11-30 0001084580 us-gaap:SovereignDebtSecuritiesMember 2015-11-30 0001084580 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2016-12-01 2017-02-28 0001084580 jef:KCGHoldingsIncMember 2016-12-01 2017-02-28 0001084580 jef:JefferiesFinanceLlcMember 2016-12-01 2017-02-28 0001084580 jef:JefferiesLoanCoreLlcMember 2016-12-01 2017-02-28 0001084580 jef:JCPFundsMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember 2016-02-29 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2016-02-29 0001084580 jef:EquityFundMember 2016-11-30 0001084580 jef:HighYieldHedgeFundsMember 2016-11-30 0001084580 jef:FundOfFundsMember 2016-11-30 0001084580 us-gaap:HedgeFundsEquityLongShortMember 2015-12-01 2016-11-30 0001084580 us-gaap:FairValueInputsLevel1Member us-gaap:ResidentialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel1Member 2017-02-28 0001084580 us-gaap:FairValueInputsLevel2Member 2017-02-28 0001084580 us-gaap:FairValueInputsLevel3Member us-gaap:ResidentialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel2Member us-gaap:ResidentialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel3Member 2017-02-28 0001084580 us-gaap:FairValueInputsLevel1Member jef:OtherAssetBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel2Member us-gaap:CommercialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel1Member us-gaap:CommercialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel3Member us-gaap:CommercialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel2Member jef:OtherAssetBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:FairValueInputsLevel3Member jef:OtherAssetBackedSecuritiesMember 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:InterestRateSwapMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:InvestmentsMember us-gaap:FairValueInputsLevel3Member jef:PrivateEquitySecuritiesMember us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember us-gaap:MinimumMember jef:FinancialInstrumentsSoldNotYetPurchasedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CreditDefaultSwapMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:UnfundedCommitmentsMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember us-gaap:MaximumMember jef:FinancialInstrumentsSoldNotYetPurchasedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2017-02-28 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-12-01 2017-02-28 0001084580 us-gaap:InvestmentsMember us-gaap:FairValueInputsLevel3Member jef:PrivateEquitySecuritiesMember us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-12-01 2017-02-28 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 us-gaap:ResidentialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2015-12-01 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 us-gaap:CreditDefaultSwapMember us-gaap:FairValueInputsLevel3Member us-gaap:DerivativeMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2015-12-01 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 us-gaap:CommercialMortgageBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 jef:CollateralizedDebtObligationsandCollateralizedLoanObligationsMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember us-gaap:FairValueInputsLevel3Member us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember jef:ScenarioAnalysisMember 2016-11-30 0001084580 jef:OtherAssetBackedSecuritiesMember us-gaap:FairValueInputsLevel3Member us-gaap:MinimumMember jef:FinancialInstrumentsOwnedMember jef:DiscountedCashFlowApproachMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember us-gaap:FairValueInputsLevel3Member jef:NonExchangeTradedSecuritiesMember us-gaap:MaximumMember jef:FinancialInstrumentsOwnedMember us-gaap:MarketApproachValuationTechniqueMember 2016-11-30 0001084580 jef:ForeignCurrencyForwardsSwapsAndOptionsMember 2017-02-28 0001084580 jef:EquitySwapsAndOptionsMember 2017-02-28 0001084580 us-gaap:InterestRateSwapMember 2017-02-28 0001084580 us-gaap:TotalReturnSwapMember 2017-02-28 0001084580 us-gaap:CreditDefaultSwapMember 2017-02-28 0001084580 us-gaap:CreditRiskContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2016-11-30 0001084580 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2016-11-30 0001084580 jef:OtcClearedMember 2016-11-30 0001084580 us-gaap:CreditRiskContractMember us-gaap:NondesignatedMember jef:OtcClearedMember 2016-11-30 0001084580 us-gaap:InterestRateContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2016-11-30 0001084580 jef:BilateralOtcMember 2016-11-30 0001084580 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2016-11-30 0001084580 us-gaap:EquityContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2016-11-30 0001084580 us-gaap:EquityContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2016-11-30 0001084580 us-gaap:CommodityContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2016-11-30 0001084580 us-gaap:ExchangeTradedOptionsMember 2016-11-30 0001084580 us-gaap:InterestRateContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2016-11-30 0001084580 us-gaap:InterestRateContractMember us-gaap:NondesignatedMember jef:OtcClearedMember 2016-11-30 0001084580 us-gaap:ForeignExchangeContractMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquityContractMember 2015-12-01 2016-02-29 0001084580 us-gaap:CreditRiskContractMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquityContractMember 2016-12-01 2017-02-28 0001084580 us-gaap:CommodityContractMember 2015-12-01 2016-02-29 0001084580 us-gaap:CreditRiskContractMember 2015-12-01 2016-02-29 0001084580 us-gaap:InterestRateContractMember 2016-12-01 2017-02-28 0001084580 us-gaap:InterestRateContractMember 2015-12-01 2016-02-29 0001084580 us-gaap:ForeignExchangeContractMember 2015-12-01 2016-02-29 0001084580 us-gaap:CommodityContractMember 2016-12-01 2017-02-28 0001084580 us-gaap:EquityContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2017-02-28 0001084580 us-gaap:ExchangeTradedOptionsMember 2017-02-28 0001084580 us-gaap:InterestRateContractMember us-gaap:NondesignatedMember jef:OtcClearedMember 2017-02-28 0001084580 us-gaap:EquityContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2017-02-28 0001084580 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2017-02-28 0001084580 us-gaap:DesignatedAsHedgingInstrumentMember 2017-02-28 0001084580 us-gaap:CommodityContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2017-02-28 0001084580 us-gaap:InterestRateContractMember us-gaap:DesignatedAsHedgingInstrumentMember jef:OtcClearedMember 2017-02-28 0001084580 us-gaap:InterestRateContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2017-02-28 0001084580 us-gaap:CreditRiskContractMember us-gaap:NondesignatedMember jef:OtcClearedMember 2017-02-28 0001084580 us-gaap:InterestRateContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2017-02-28 0001084580 us-gaap:ForeignExchangeContractMember us-gaap:NondesignatedMember us-gaap:ExchangeTradedOptionsMember 2017-02-28 0001084580 jef:OtcClearedMember 2017-02-28 0001084580 jef:BilateralOtcMember 2017-02-28 0001084580 us-gaap:CreditRiskContractMember us-gaap:NondesignatedMember jef:BilateralOtcMember 2017-02-28 0001084580 us-gaap:NondesignatedMember 2017-02-28 0001084580 jef:FixedIncomeForwardContractsMember 2017-02-28 0001084580 us-gaap:LongTermDebtMember 2015-12-01 2016-02-29 0001084580 us-gaap:LongTermDebtMember 2016-12-01 2017-02-28 0001084580 us-gaap:Maturity30To90DaysMember 2016-11-30 0001084580 us-gaap:MaturityUpTo30DaysMember 2016-11-30 0001084580 us-gaap:MaturityOver90DaysMember 2016-11-30 0001084580 us-gaap:MaturityOvernightMember 2016-11-30 0001084580 us-gaap:MaturityUpTo30DaysMember 2017-02-28 0001084580 us-gaap:MaturityOvernightMember 2017-02-28 0001084580 us-gaap:MaturityOver90DaysMember 2017-02-28 0001084580 us-gaap:Maturity30To90DaysMember 2017-02-28 0001084580 us-gaap:MunicipalBondsMember 2017-02-28 0001084580 jef:MortgageandAssetBackedSecuritiesMember 2017-02-28 0001084580 us-gaap:SovereignDebtMember 2017-02-28 0001084580 us-gaap:EquitySecuritiesMember 2017-02-28 0001084580 us-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMember 2017-02-28 0001084580 us-gaap:CorporateDebtSecuritiesMember 2017-02-28 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2017-02-28 0001084580 us-gaap:USGovernmentCorporationsAndAgenciesSecuritiesMember 2016-11-30 0001084580 us-gaap:MunicipalBondsMember 2016-11-30 0001084580 jef:MortgageandAssetBackedSecuritiesMember 2016-11-30 0001084580 us-gaap:SovereignDebtMember 2016-11-30 0001084580 us-gaap:LoansAndFinanceReceivablesMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember 2016-11-30 0001084580 us-gaap:EquitySecuritiesMember 2016-11-30 0001084580 jef:UsGovernmentAgencyIssuedRmbsMember 2017-02-28 0001084580 jef:UsGovernmentAgencyIssuedCmbsMember 2017-02-28 0001084580 jef:UsGovernmentAgencyIssuedRmbsMember 2016-11-30 0001084580 jef:UsGovernmentAgencyIssuedCmbsMember 2016-11-30 0001084580 us-gaap:CollateralizedLoanObligationsMember 2016-11-30 0001084580 us-gaap:CollateralizedLoanObligationsMember 2017-02-28 0001084580 us-gaap:OtherDebtSecuritiesMember 2016-11-30 0001084580 us-gaap:OtherDebtSecuritiesMember 2017-02-28 0001084580 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2017-02-28 0001084580 jef:ConsumerLoanFinancingVehiclesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2017-02-28 0001084580 us-gaap:CollateralizedLoanObligationsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2017-02-28 0001084580 jef:PrivateEquityVehiclesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2017-02-28 0001084580 jef:OtherPrivateInvestmentVehiclesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2017-02-28 0001084580 us-gaap:CollateralizedLoanObligationsMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2016-11-30 0001084580 jef:PrivateEquityVehiclesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2016-11-30 0001084580 us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2016-11-30 0001084580 jef:OtherPrivateInvestmentVehiclesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2016-11-30 0001084580 jef:ConsumerLoanFinancingVehiclesMember us-gaap:VariableInterestEntityNotPrimaryBeneficiaryMember 2016-11-30 0001084580 jef:PrivateEquityVehiclesMember jef:JCPEntitiesMember 2017-02-28 0001084580 jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:MortgageAndAssetBackedSecuritizationActivityAgencyMember 2017-02-28 0001084580 jef:SecuritizationActivityMember 2016-11-30 0001084580 jef:OtherPrivateInvestmentVehiclesMember 2016-11-30 0001084580 jef:OtherPrivateInvestmentVehiclesMember 2017-02-28 0001084580 jef:PrivateEquityVehiclesMember jef:JCPEntitiesMember 2016-11-30 0001084580 jef:PrivateEquityVehiclesMember jef:JefferiesEnergyPartnersILPMember 2017-02-28 0001084580 jef:MortgageAndAssetBackedSecuritizationActivityNonAgencyMember 2017-02-28 0001084580 jef:MortgageAndAssetBackedSecuritizationActivityNonAgencyMember 2016-11-30 0001084580 jef:MortgageAndAssetBackedSecuritizationActivityAgencyMember 2016-11-30 0001084580 us-gaap:CashMember jef:SecuritizationActivityMember 2016-11-30 0001084580 jef:OtherSecuredFinancingsMember jef:OtherActivityMember 2017-02-28 0001084580 us-gaap:OtherLiabilitiesMember jef:OtherActivityMember 2017-02-28 0001084580 jef:SecuritiesPurchasedUnderAgreementMember jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:OtherActivityMember 2016-11-30 0001084580 jef:FeesInterestandOtherReceivablesMember jef:SecuritizationActivityMember 2016-11-30 0001084580 jef:FinancialInstrumentsOwnedMember jef:SecuritizationActivityMember 2016-11-30 0001084580 jef:OtherSecuredFinancingsMember jef:OtherActivityMember 2016-11-30 0001084580 jef:OtherSecuredFinancingsMember jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:FinancialInstrumentsOwnedMember jef:OtherActivityMember 2017-02-28 0001084580 jef:FeesInterestandOtherReceivablesMember jef:OtherActivityMember 2016-11-30 0001084580 jef:FinancialInstrumentsOwnedMember jef:OtherActivityMember 2016-11-30 0001084580 jef:OtherActivityMember 2017-02-28 0001084580 jef:OtherSecuredFinancingsMember jef:SecuritizationActivityMember 2016-11-30 0001084580 jef:FeesInterestandOtherReceivablesMember jef:OtherActivityMember 2017-02-28 0001084580 us-gaap:CashMember jef:OtherActivityMember 2016-11-30 0001084580 us-gaap:OtherLiabilitiesMember jef:OtherActivityMember 2016-11-30 0001084580 us-gaap:CashMember jef:OtherActivityMember 2017-02-28 0001084580 jef:SecuritiesPurchasedUnderAgreementMember jef:OtherActivityMember 2017-02-28 0001084580 us-gaap:OtherLiabilitiesMember jef:SecuritizationActivityMember 2016-11-30 0001084580 us-gaap:OtherLiabilitiesMember jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:FinancialInstrumentsOwnedMember jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:SecuritiesPurchasedUnderAgreementMember jef:OtherActivityMember 2016-11-30 0001084580 us-gaap:CashMember jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:SecuritiesPurchasedUnderAgreementMember jef:SecuritizationActivityMember 2016-11-30 0001084580 jef:FeesInterestandOtherReceivablesMember jef:SecuritizationActivityMember 2017-02-28 0001084580 jef:PrivateEquityVehiclesMember jef:JefferiesEnergyPartnersILPMember 2016-11-30 0001084580 jef:JCPFundsMember 2017-02-28 0001084580 jef:JefferiesLoanCoreLlcMember 2016-11-30 0001084580 jef:JefferiesFinanceLlcMember 2016-11-30 0001084580 jef:CanadaPensionPlanInvestmentBoardMember jef:JefferiesLoanCoreLlcMember 2016-03-31 0001084580 jef:JefferiesFinanceLlcMember 2015-12-01 2016-02-29 0001084580 jef:JefferiesLoanCoreLlcMember 2017-02-28 0001084580 jef:JCPFundsMember 2016-11-30 0001084580 us-gaap:CorporateDebtSecuritiesMember 2017-02-28 0001084580 jef:JefferiesFinanceLlcMember 2017-02-28 0001084580 jef:JefferiesLoanCoreLlcMember 2015-12-01 2016-02-29 0001084580 us-gaap:OtherAssetsMember jef:JefferiesFinanceLlcMember 2017-02-28 0001084580 jef:KCGHoldingsIncMember 2016-11-30 0001084580 us-gaap:AccountsPayableAndAccruedLiabilitiesMember jef:JefferiesFinanceLlcMember 2016-11-30 0001084580 jef:KCGHoldingsIncMember 2016-10-01 2016-12-31 0001084580 jef:SBIUSAFundL.P.Member 2017-02-28 0001084580 jef:KCGHoldingsIncMember 2017-02-28 0001084580 jef:JefferiesCapitalPartnersVL.PMember 2017-02-28 0001084580 jef:KCGHoldingsIncMember 2015-12-01 2016-02-29 0001084580 jef:KCGHoldingsIncMember 2015-10-01 2015-12-31 0001084580 us-gaap:MaximumMember jef:JCPFundsMember 2017-02-28 0001084580 jef:JefferiesLoanCoreLlcMember 2015-12-01 2016-11-30 0001084580 jef:JCPFundsMember 2015-12-01 2016-02-29 0001084580 jef:KCGHoldingsIncMember 2016-09-30 0001084580 jef:KCGHoldingsIncMember 2016-12-31 0001084580 jef:JCPFundsMember 2016-10-01 2016-12-31 0001084580 jef:JCPFundsMember 2015-10-01 2015-12-31 0001084580 jef:JCPFundsMember 2016-12-31 0001084580 jef:JCPFundsMember 2016-09-30 0001084580 us-gaap:MaximumMember jef:JCPFundsMember 2016-11-30 0001084580 us-gaap:ForeignPensionPlansDefinedBenefitMember 2016-12-01 2017-02-28 0001084580 us-gaap:UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember 2016-12-01 2017-02-28 0001084580 us-gaap:CustomerRelationshipsMember 2016-11-30 0001084580 jef:ExchangeAndClearingOrganizationMembershipInterestsAndRegistrationsMember 2016-11-30 0001084580 us-gaap:TradeNamesMember 2015-12-01 2016-11-30 0001084580 us-gaap:TradeNamesMember 2016-11-30 0001084580 us-gaap:CustomerRelationshipsMember 2015-12-01 2016-11-30 0001084580 us-gaap:TradeNamesMember 2017-02-28 0001084580 jef:ExchangeAndClearingOrganizationMembershipInterestsAndRegistrationsMember 2017-02-28 0001084580 us-gaap:CustomerRelationshipsMember 2016-12-01 2017-02-28 0001084580 us-gaap:TradeNamesMember 2016-12-01 2017-02-28 0001084580 us-gaap:CustomerRelationshipsMember 2017-02-28 0001084580 jef:ExchangeAndClearingOrganizationMembershipInterestsAndRegistrationsMember 2016-12-01 2017-02-28 0001084580 us-gaap:AssetManagementIncomeMember 2016-11-30 0001084580 jef:CapitalMarketsMember 2016-11-30 0001084580 us-gaap:AssetManagementIncomeMember 2017-02-28 0001084580 jef:CapitalMarketsMember 2017-02-28 0001084580 jef:LoanFacilityMember us-gaap:SecuredDebtMember 2016-11-30 0001084580 jef:PuttableNotesMember 2017-02-28 0001084580 jef:PuttableNotesMember 2016-11-30 0001084580 us-gaap:NotesPayableToBanksMember 2017-02-28 0001084580 jef:LoanFacilityMember us-gaap:SecuredDebtMember 2017-02-28 0001084580 us-gaap:NotesPayableToBanksMember 2016-11-30 0001084580 us-gaap:BankOverdraftsMember 2017-02-28 0001084580 jef:SecondSecuredRevolvingLoanFacilityMember us-gaap:LineOfCreditMember 2015-12-14 0001084580 jef:DemandLoanFacilityMember us-gaap:LineOfCreditMember 2016-02-19 0001084580 us-gaap:BankOverdraftsMember 2016-11-30 0001084580 jef:IntradayCreditFacilityMember us-gaap:LineOfCreditMember us-gaap:FederalFundsEffectiveSwapRateMember 2016-12-01 2017-02-28 0001084580 jef:DemandLoanFacilityMember us-gaap:LineOfCreditMember us-gaap:LondonInterbankOfferedRateLIBORMember 2016-02-19 2016-02-19 0001084580 jef:IntradayCreditFacilityMember us-gaap:LineOfCreditMember 2017-02-28 0001084580 jef:FirstSecuredRevolvingLoanFacilityMember us-gaap:LineOfCreditMember 2015-10-29 0001084580 jef:FirstSecuredRevolvingLoanFacilityMember us-gaap:LineOfCreditMember us-gaap:LondonInterbankOfferedRateLIBORMember 2015-10-29 2015-10-29 0001084580 jef:SecondSecuredRevolvingLoanFacilityMember us-gaap:LineOfCreditMember us-gaap:LondonInterbankOfferedRateLIBORMember 2015-12-14 2015-12-14 0001084580 jef:EightPointFivePercentageSeniorNotesDueTwoThousandNineteenMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:SixPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:TwoPointTwoFivePercentageEuroMediumTermNotesDueTwoThousandTwentyTwoMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:FourPointEightFivePercentageSeniorNotesDue2027Member us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:SixPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:SixPointFiveZeroPercentageSeniorNotesDueTwoThousandFortyThreeMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:SixPointFourFivePercentageSeniorDebenturesDueTwoThousandTwentySevenMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:SixPointTwoFivePercentageSeniorDebenturesDueTwoThousandThirtySixMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:SixPointTwoFivePercentageSeniorDebenturesDueTwoThousandThirtySixMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:FivePointOneTwoFivePercentageSeniorNotesDueTwoThousandEighteenMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:SixPointFiveZeroPercentageSeniorNotesDueTwoThousandFortyThreeMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:StructuredNotesMember 2017-02-28 0001084580 jef:TwoPointTwoFivePercentageEuroMediumTermNotesDueTwoThousandTwentyTwoMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:FivePointOneTwoFivePercentageSeniorNotesDueTwoThousandEighteenMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:FourPointEightFivePercentageSeniorNotesDue2027Member us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:ThreePointEightSevenFivePercentageConvertibleSeniorDebenturesDueTwoThousandTwentyNineMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:FivePointOneTwoFivePercentageSeniorNotesDueTwoThousandTwentyThreeMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:TwoPointThreeSevenFivePercentageEuroMediumTermNotesDueTwoThousandTwentyMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:FivePointOneTwoFivePercentageSeniorNotesDueTwoThousandTwentyThreeMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:EightPointFivePercentageSeniorNotesDueTwoThousandNineteenMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:StructuredNotesMember 2016-11-30 0001084580 jef:TwoPointThreeSevenFivePercentageEuroMediumTermNotesDueTwoThousandTwentyMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:SixPointFourFivePercentageSeniorDebenturesDueTwoThousandTwentySevenMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:ThreePointEightSevenFivePercentageConvertibleSeniorDebenturesDueTwoThousandTwentyNineMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:LeucadiaMember jef:ThreePointEightSevenFivePercentageConvertibleSeniorDebenturesDueTwoThousandTwentyNineMember 2017-02-28 0001084580 jef:LeucadiaMember jef:ThreePointEightSevenFivePercentageConvertibleSeniorDebenturesDueTwoThousandTwentyNineMember 2016-12-01 2017-02-28 0001084580 jef:StructuredNotesMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:LeucadiaMember us-gaap:SubsequentEventMember 2017-03-16 2017-03-16 0001084580 jef:ClassBNotesDue2022Member 2016-01-21 0001084580 jef:LeucadiaMember us-gaap:SubsequentEventMember 2017-03-16 0001084580 jef:ClassANotesDue2022Member 2016-01-21 0001084580 jef:StructuredNotesMember us-gaap:UnsecuredDebtMember 2016-11-30 0001084580 jef:FourPointEightFivePercentageSeniorNotesDue2027Member us-gaap:InterestRateSwapMember us-gaap:UnsecuredDebtMember 2017-02-28 0001084580 jef:ThreePointEightSevenFivePercentageConvertibleSeniorDebenturesDueTwoThousandTwentyNineMember 2017-02-28 0001084580 jef:StructuredNotesMember us-gaap:UnsecuredDebtMember 2016-02-29 0001084580 jef:FourPointEightFivePercentageSeniorNotesDue2027Member us-gaap:UnsecuredDebtMember 2017-01-17 0001084580 us-gaap:UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember 2015-12-01 2016-02-29 0001084580 us-gaap:ForeignPensionPlansDefinedBenefitMember 2015-12-01 2016-02-29 0001084580 us-gaap:ForeignPensionPlansDefinedBenefitMember 2016-11-30 0001084580 us-gaap:ForeignPensionPlansDefinedBenefitMember 2017-02-28 0001084580 jef:RestrictedCashAwardsMember 2017-02-28 0001084580 jef:RestrictedCashAwardsMember 2016-12-01 2017-02-28 0001084580 jef:NonvestedShareAwardsMember 2017-02-28 0001084580 jef:NonvestedShareAwardsMember 2016-12-01 2017-02-28 0001084580 jef:RestrictedStockandRestrictedStockUnitsMember 2016-12-01 2017-02-28 0001084580 jef:RestrictedStockandRestrictedStockUnitsMember 2015-12-01 2016-02-29 0001084580 jef:RestrictedCashAwardsMember 2015-12-01 2016-02-29 0001084580 jef:ForwardStartingReverseReposMember 2017-02-28 0001084580 jef:ForwardStartingReposMember 2017-02-28 0001084580 jef:JefferiesCapitalPartnersLlcMember 2017-02-28 0001084580 us-gaap:StandbyLettersOfCreditMember 2017-02-28 0001084580 us-gaap:StandbyLettersOfCreditMember 2016-12-01 2017-02-28 0001084580 jef:InvestmentsOtherMember 2017-02-28 0001084580 jef:EquityCommitmentsMember 2017-02-28 0001084580 jef:OtherCommitmentsMember 2017-02-28 0001084580 jef:MortgageRelatedCommitmentsMember 2017-02-28 0001084580 jef:LoanCommitmentsMember 2017-02-28 0001084580 jef:UnderwritingCommitmentsMember 2017-02-28 0001084580 us-gaap:CreditIndexProductMember us-gaap:StandardPoorsBBBRatingMember 2017-02-28 0001084580 us-gaap:CreditIndexProductMember us-gaap:StandardPoorsAAARatingMember 2017-02-28 0001084580 jef:SingleNameCreditDefaultSwapsMember us-gaap:StandardPoorsAARatingMember 2017-02-28 0001084580 jef:SingleNameCreditDefaultSwapsMember us-gaap:StandardPoorsAAARatingMember 2017-02-28 0001084580 us-gaap:CreditIndexProductMember us-gaap:StandardPoorsARatingMember 2017-02-28 0001084580 us-gaap:CreditIndexProductMember 2017-02-28 0001084580 jef:SingleNameCreditDefaultSwapsMember us-gaap:ExternalCreditRatingNonInvestmentGradeMember 2017-02-28 0001084580 jef:SingleNameCreditDefaultSwapsMember 2017-02-28 0001084580 jef:SingleNameCreditDefaultSwapsMember us-gaap:StandardPoorsBBBRatingMember 2017-02-28 0001084580 us-gaap:CreditIndexProductMember us-gaap:ExternalCreditRatingNonInvestmentGradeMember 2017-02-28 0001084580 jef:SingleNameCreditDefaultSwapsMember us-gaap:StandardPoorsARatingMember 2017-02-28 0001084580 us-gaap:CreditIndexProductMember us-gaap:StandardPoorsAARatingMember 2017-02-28 0001084580 jef:DerivativeContractsCreditRelatedMember 2017-02-28 0001084580 jef:DerivativeContractsNonCreditRelatedMember 2017-02-28 0001084580 us-gaap:DerivativeMember 2017-02-28 0001084580 jef:JefferiesMember 2017-02-28 0001084580 jef:JefferiesExecutionMember 2017-02-28 0001084580 jef:CapitalMarketsMember 2015-12-01 2016-02-29 0001084580 jef:CapitalMarketsMember 2016-12-01 2017-02-28 0001084580 us-gaap:AssetManagementIncomeMember 2016-12-01 2017-02-28 0001084580 us-gaap:AssetManagementIncomeMember 2015-12-01 2016-02-29 0001084580 us-gaap:EuropeMember 2015-12-01 2016-02-29 0001084580 us-gaap:AmericasMember 2015-12-01 2016-02-29 0001084580 us-gaap:AmericasMember 2016-12-01 2017-02-28 0001084580 us-gaap:AsiaMember 2015-12-01 2016-02-29 0001084580 us-gaap:EuropeMember 2016-12-01 2017-02-28 0001084580 us-gaap:AsiaMember 2016-12-01 2017-02-28 0001084580 us-gaap:OtherAssetsMember jef:LeucadiaMember 2017-02-28 0001084580 jef:LeucadiaMember us-gaap:AffiliatedEntityMember 2016-11-30 0001084580 2015-12-01 2016-11-30 0001084580 us-gaap:OtherAssetsMember jef:LeucadiaMember 2016-11-30 0001084580 jef:LeucadiaMember us-gaap:AssetManagementIncomeMember us-gaap:AffiliatedEntityMember 2015-12-01 2016-02-29 0001084580 jef:LeucadiaMember us-gaap:CorporateDebtSecuritiesMember us-gaap:AffiliatedEntityMember 2017-02-28 0001084580 jef:LeucadiaMember us-gaap:AffiliatedEntityMember 2017-02-28 0001084580 jef:LeucadiaMember us-gaap:AffiliatedEntityMember 2016-12-01 2017-02-28 0001084580 jef:LeucadiaMember us-gaap:AffiliatedEntityMember 2015-12-01 2016-02-29 0001084580 jef:LeucadiaMember us-gaap:AffiliatedEntityMember 2017-02-24 2017-02-24 0001084580 jef:EquityInvestmentsinJefferiesCapitalPartnersRelatedFundsMember us-gaap:EquityMethodInvesteeMember 2017-02-28 0001084580 jef:LeucadiaMember us-gaap:CorporateDebtSecuritiesMember us-gaap:AffiliatedEntityMember 2016-11-30 0001084580 jef:HedgeFundManagedbySubsidiaryofLeucadiaMember us-gaap:AffiliatedEntityMember 2016-12-01 2016-12-31 0001084580 jef:EquityInvestmentsinJefferiesCapitalPartnersRelatedFundsMember us-gaap:EquityMethodInvesteeMember 2016-11-30 0001084580 jef:EquityInvestmentsinJefferiesCapitalPartnersRelatedFundsMember us-gaap:EquityMethodInvesteeMember 2015-12-01 2016-02-29 0001084580 jef:EquityInvestmentsinJefferiesCapitalPartnersRelatedFundsMember us-gaap:EquityMethodInvesteeMember 2016-12-01 2017-02-28 0001084580 us-gaap:EmployeeSeveranceMember 2015-12-01 2016-02-29 0001084580 us-gaap:ContractTerminationMember 2015-12-01 2016-02-29 0001084580 jef:AcceleratedAmortizationofRestrictedStockandRestrictedCashAwardsMember 2015-12-01 2016-02-29 0001084580 us-gaap:OtherRestructuringMember 2015-12-01 2016-02-29 0001084580 jef:FuturesBusinessMember 2015-12-01 2016-02-29 0001084580 jef:TechnologyandCommunicationsMember 2015-12-01 2016-02-29 0001084580 jef:CompensationandBenefitsMember 2015-12-01 2016-02-29 0001084580 us-gaap:OtherExpenseMember 2015-12-01 2016-02-29 iso4217:USD xbrli:shares utreg:T utreg:D jef:segment xbrli:pure iso4217:USD xbrli:shares jef:Contract jef:Hour jef:Trading_day false --11-30 Q1 2017 2017-02-28 10-Q 0001084580 0 Non-accelerated Filer JEFFERIES GROUP LLC -6494000 -16189000 400000000 250000000 250000000 9530000 8926000 1948900000 953500000 52300000 37600000 51600000 36300000 144200000 176500000 0.04 0.09 0.04 0.02 0.03 0.18 0.18 0.09 0.13 0.15 0.04 0.14 0.19 0.07 0.11 0.08 0.32 0.11 0.05 0.07 1806300000 2240300000 6337500000 5695300000 6146000000 5505200000 834200000 975500000 810400000 948000000 4102200000 2759900000 6385300000 0 2609300000 3346500000 294400000 0 135000000 100000 92400000 0 0 0 56200000 0 36200000 0 297700000 11100000 0 0 65000000 217000000 4600000 0 146000000 9400000 0 0 11900000 0 124700000 0 245700000 233000000 0 0 0 0 12700000 0 85000000.0 1200000000 85000000.0 3100000 2900000 349006000 21807000 61891000 14487000 243704000 7117000 264433000 32243000 275000 54154000 13333000 141854000 22574000 35616000 0 1000 0.95 0.05 0.39 0.30 0.00 0.18 0.68 0.15 0.30 0 0.22 0.00 0.07 0.00375 P5D P6M 39000 0 70939000 152001000 1512000 1.25 0.8 1512000 0 2240000 5370597000 5472392000 600000000 194000000 493900000 11500000 106100000 11100000 75800000 65000000 148100000 1600000 22800000 37700000 36700000 -7886000 -2294000 0.24 1 P6Y P1Y 15500000 254900000 355200000 0 0 115100000 59900000 180200000 4000000 4000000 0 0 0 0 0.38 0.28 0.31 0.50 0.06 0.37 0.45 0.04 0.30 0.51 0.03 0.01 0.02 0.45 0.03 0.31 1.03 666 666 642 102 102 11 9 P11Y P1Y P2Y P5Y P1Y P3Y P1M P18Y P4Y P10Y 72 25815720 97 98 82 82 94 87 100 98 18 53 75 3 44 100 98 99 250 3 116 42 1 32 131500000 44500000 1600000 2000000 802355000 0 801977000 378000 1492524000 0 1491488000 1036000 28130000 62994000 38363000 218007000 19400000 66200000 310894000 1547000 312029000 248000 2100000 108660000 0 54306000 54354000 85253000 0 39899000 45354000 1639105000 0 1557233000 81872000 1782399000 0 1729227000 53172000 13785203000 5568241000 12059672000 413288000 13228565000 4272862000 11417035000 365431000 74300000 125100000 63500000 125400000 3000000.0 134100000 3000000 0 17839800000 17839800000 294300000 0 294300000 11500000 0 11500000 53400000 1562100000 1615500000 0 421700000 421700000 2609300000 3303600000 P3D -23416000 26264000 -13863000 338876000 -1551000 -15746000 -5400000 9041000 8702000 9041000 9059000 2800000 600000 15200000 15000000 186508000 170762000 24300000 24200000 36941276000 37703367000 P1Y 500000000 P60D 300000 300000 0 0 177500000 5369946000 5471740000 14400000 15434000 114019000 199120000 211142000 P90D P30D -79776000 0 -13111000 0 -66627000 -38000 124873000 0 0 0 124873000 0 209275000 3271000 37500000 14487000 153246000 771000 94634000 18536000 37502000 0 32212000 6384000 347494000 -79776000 0 0 -13111000 0 -66627000 -38000 98866000 1908000 0 0 0 96958000 0 152292000 17187000 0 27382000 13155000 92177000 2391000 93051000 13148000 275000 39883000 178000 19346000 20221000 262921000 -302000 -6494000 -9695000 -9695000 -6300000 -2648000 -1298000 41768000 34187000 395700000 479900000 0.95 0.5 0.02 0.01 P4Y 1962700000 962600000 0.12 0.13 1249000 413000 556000 280000 31000 556000 382000 280000 7584900000 6029900000 0.95 21250 20 63200000 P1Y 80100000 155400000 1200 P10D 30 250 0.42 0.16 0.17 0.07 0.12 0.17 0.04 0.15 0.11 0.06 0.08 0.10 0.02 0.06 985500000 3874700000 155600000 4451700000 9467500000 1149100000 3688200000 149300000 3259400000 8246000000 57600000 19500000 1248200000 735000 1006943000 556000 1900000 2600000 2800000 1600000 9358000 9275000 -152305000 -154918000 -168157000 -180382000 26100000 23100000 5538103000 5652122000 8670000 -9435000 -4186000 0 21100000 47000 20200000 47000 8908000 1277401000 210817000 42179000 230000 772000 133190000 34446000 194932000 40688000 169000 761000 118211000 35103000 3000000 3000000 36941300000 36941276000 35931800000 1009500000 37703367000 37703400000 36856200000 847200000 155824000 145822000 2700000 -466000 -1250000 24854000 22632000 3510163000 2599637000 3529069000 4080381000 3529069000 16805000 4080381000 4635000 -910526000 551312000 857337000 857300000 99900000 705313000 99900000 9600000 8700000 44400000 3700000 64989000 65507000 -216785000 101794000 -216741000 101795000 0.0375 0.0425 0.0150 0.005 43.83 22.8163 P30D 1.3 20 42400000 48600000 345000000.0 750000000 0.0400 0.0346 0.0455 0.0493 0.0440 0.0609 0.0546 0.0603 0.0350 0.0242 0.0408 0.03875 0.085 0.05125 0.05125 0.0485 0.06875 0.0650 0.0645 0.0625 0.03875 0.02375 0.0225 0.03875 75000000 61700000 -80000 0 -84000 -1000 776000 767000 130000 587000 100000 564000 210000 -89000 184000 -90000 100000 112000 -2735000 252000 4255998000 2826763000 1356 213 6 1077 2820702 7448 376 1136 3596 24300 4851 191 23 1139 1822926 5797 734 0 1524 3258 23014 0 19225000 645000 72041000 712767000 529609000 0 444159000 2835812000 2275000 1065034000 2836457000 715042000 7000 19826000 3071000 65189000 537971000 308556000 140000 0 360402000 1715306000 2797000 0 3013265000 753973000 1718377000 540915000 813340000 2751650000 691009000 598845000 1701815000 526103000 0 25503000 2304000 67033000 1095582000 516869000 0 522965000 2636469000 24000 1132370000 2638773000 1095606000 0 15257000 12555000 91216000 773258000 300816000 3000 3456000 366006000 1604811000 635000 3456000 3164557000 773295000 1620822000 773896000 899431000 2638774000 691009000 659524000 1608805000 526103000 4229213000 2794432000 920 184 8 1191 2410956 7633 686 1627 3445 29773 4711 122 34 1367 1595727 5971 431 1 682 3301 41259 70600000 19400000 16000 18000000 16000 5800000 -10448000 -535000 638900000 52300000 586600000 P3Y P3Y 0.24 0.356 0.11 0.485 0.24 0.51 7277300000 1827200000 7455000000 1707700000 82689000 6750600000 80403000 6261300000 82616000 80322000 941100000 322200000 983100000 310400000 1439600000 1357300000 6336300000 1505000000 6471900000 1397300000 73000 5311000000 81000 4904000000 -3000000 196200000 -44700000 5400000 42000000 6200000 29100000 470500000 156300000 28600000 491500000 150500000 -17003000 1679000 -1387000 -2540000 3560000 -16515000 -9113000 -3358000 -1000 -8525000 -1717000 -1421000 -1662000 362000 -176000 836000 -641000 -440000 0.45 0.40 0.40 0.40 3.3 3.3 0.02 0.0265 0.04 0.02 0.02 0.31 0.00 0.13 0.07 0.01 0.03 0.02 0.0265 0.0800 0.08 0.02 0.03 0.25 0.70 0.25 0.40 1.00 0.00 0.90 1.00 0.35 0.62 0.25 0.7 0.25 0.29 0.20 0.20 0.10 0.19 0.20 0.04 0.14 0.11 0.00 0.05 0.20 0.20 0.00 0.00 Monthly, Quarterly Monthly, Quarterly 20295000 20295000 0 0 0 0 20040000 20040000 0 0 0 0 0 -8135000 0 345000 11000 0 1347000 -11000 -189000 -42200000 -16573000 1662000 -971000 -2602000 3071000 -16515000 -5772000 -4548000 -1000 -10200000 -7594000 -1788000 -1420000 -1793000 532000 -2199000 4950000 -636000 -253000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1021000 15425000 2962000 15337000 2087000 1187000 181264000 62844000 0 8663000 3553000 0 3002000 847000 0 9489000 0 263000 20178000 2100000 0 15129000 0 0 114667000 64926000 0 22633000 299000 412000 3157000 145000 10119000 9778000 67000 12411000 463000 1000 878000 111000 0 273000 95354000 114000 0 45000 3335000 0 1207000 186000 266000 7764000 0 210000 119000000 39500000 26100000 20400000 49900000 18100000 11600000 13700000 18449000 -24787000 6555000 2263000 -15524000 26063000 682000 4500000 0 12609000 -1340000 1905000 11617000 -2207000 0 -25597000 0 13098000 100800000 21000000 28800000 19200000 15900000 39800000 28200000 85092000 42925000 14326000 25876000 40906000 53120000 189289000 70263000 120000 67348000 33124000 21994000 25634000 30540000 63582000 155442000 68019000 119000 54354000 33016000 40911000 40911000 20580000 20580000 25005000 25005000 21739000 19799000 96369000 42907000 81872000 54347000 27257000 38772000 38772000 6429000 45354000 45354000 37702000 37702000 20653000 20653000 33467000 33467000 20580000 18834000 83785000 68809000 53172000 51929000 26554000 39259000 39259000 4905000 -10000000 -6000 10304000 0 -345000 4200000 -8000 0 -4384000 11000 189000 0 554000 0 0 0 0 186000 0 0 0 0 0 2240000 0 0 0 0 323000 0 0 0 1033000 0 0 0 0 0 0 2558000 0 -1077000 0 0 3373000 0 0 0 -1417000 0 -96000 -323000 0 3797000 0 792000 544000 -242000 38000 10469000 538000 11757000 38000 7744000 418000 523000 3441000 313000 378000 9870000 87000 523000 6413000 324000 1036000 11318000 25500000000 24700000000 1325938000 1078397000 20202000 7582000 6858000 3417000 -15462000 -5127000 -3746000 48000 -302000 871000 -27000 -16040000 18900000 25800000 64600000 68500000 29800000 253800000 205746000 242022000 17012332000 3809533000 2047504000 9147176000 2008119000 2171480000 1907888000 66291000 455960000 553010000 2625079000 9232624000 16400889000 3651291000 1522229000 8906185000 2321184000 2836035000 1766716000 167950000 230762000 511340000 2422148000 8465938000 13809512000 87153000 1000000 13252736000 53122000 1800000 2700025000 0 2675020000 25005000 2455947000 0 2422480000 33467000 1854864000 1742463000 90662000 21739000 1744545000 1637621000 86344000 20580000 360534000 3825000 4606278000 6429000 186502000 4470000 3003890000 4905000 0 0 0 63587000 296405000 960494000 40911000 20580000 38772000 104498000 316985000 999266000 0 0 0 113881000 565494000 1400215000 37702000 20653000 39259000 151583000 586147000 1439474000 2423048000 1432556000 990492000 0 2819227000 1506428000 1312799000 0 96369000 0 0 96369000 83785000 0 0 83785000 735726000 0 708469000 27257000 740658000 0 714104000 26554000 2446123000 2389397000 56726000 0 1153045000 1124343000 28702000 0 8359202000 3930060000 8647271000 11084000 4000 8728491000 3802512000 7707210000 13201000 300000 1000000 1718947000 0 1718424000 523000 1545468000 0 1544945000 523000 1594524000 1577405000 16806000 313000 1488723000 1455823000 32576000 324000 637535000 568000 4856310000 9870000 373581000 4110000 3152585000 11318000 2629344000 1375590000 1253754000 0 2986470000 1500854000 1485616000 0 976497000 976497000 0 0 841725000 841725000 0 0 P12Y1M P31Y4M P11Y10M12D P31Y 56003000 42283000 13720000 58945000 44325000 14620000 9148000 12198000 12198000 12198000 12198000 125381000 128052000 125357000 127928000 83098000 114332000 81032000 113308000 40479000 45858000 -1875000 -12889000 -225666000 1589000 -72525000 -311366000 -511000 12041000 -169116000 2008000 9997000 -145581000 0 0 0 796000 -4609000 5405000 0 1640653000 1637653000 3000000 1640202000 1637202000 3000000 -451000 7167100000 253500000 2609300000 3346500000 427500000 217000000 313200000 100000 359200000 19823600000 20182800000 357000 357000 -249876000 -1200000 124199000 -3000000 -700000 -83107000 10179000 -7450000 477000 -205396000 -241753000 -205396000 41978000 -247374000 211449000 670299000 750826000 375034000 -2830082000 -551101000 392788000 145374000 15898000 1211000 -1477131000 -329027000 -180980000 114834000 -1721276000 525137000 -298260000 609225000 385463000 -856236000 -295559000 -295666000 262474000 262344000 206471000 203042000 194118000 214284000 221945000 202023000 188217000 238938000 1400000 230930000 408021000 100000 653872000 672376000 2000 1100000 349743000 460172000 31570679000 32230975000 250000000.0 50000000 50000000 25000000.0 38400000 37500000 17800000 5483355000 778367000 817813000 618355000 0 823797000 421333000 377806000 512396000 255203000 346187000 528250000 3848000 6267491000 771253000 814623000 617704000 738748000 819951000 421249000 377313000 512309000 316408000 345850000 528220000 3863000 15000000 7500000 248856000 248900000 0 248856000 0 310057000 310100000 0 310057000 0 817000000 654200000 27468000 651000 651000 652000 652000 563000 0 9158000 1359023000 159417000 528002000 159579000 201557000 -1658000 -15626000 -1057837000 39471000 -1057999000 -1099977000 -166813000 114019000 44000 -28000 1000 1000 9390000 0 548863000 533100000 15800000 671314000 656700000 14600000 2 24585000 25815000 1229551000 0 1377636000 5000 -49670000 -115494000 -2530000 -2613000 -49972000 -12225000 1223000 -83000 20701000 19206000 -21751000 24048000 755576000 755544000 594120000 594087000 3290404000 8300000 2960576000 5400000 2297292000 2412125000 70100000 122900000 27500000 0 20958000 22396000 141735000 1134714000 9706881000 10184574000 -103373000 220957000 188108000 1140234000 17000000 65734000 792376000 134435000 -161456000 -41978000 4195000 -41978000 -41978000 0 25600000 1397552000 9682590000 23512000 32124000 -166769000 114020000 265553000 276674000 P10Y P3Y 2009163000 2678413000 843114000 1181915000 129000 125000 1396326000 9789703000 310000 29600000 31000000 37000000 25300000 49000000 9200000 18500000 101000000 100000 7600000 6100000 493105000 1009797000 298987000 263300000 35700000 187709000 14845000 96433000 795513000 782600000 12900000 609849000 29390000 156274000 19831464000 3914049000 2590556000 11279067000 2047792000 2171480000 2639164000 2112534000 455960000 553010000 2625079000 9274237000 18923735000 4364068000 2081543000 10156940000 2321184000 2836035000 2450255000 2006986000 230762000 511340000 2422148000 8466209000 41768000 0 41350000 418000 34187000 0 34100000 87000 7743562000 9200000 6886436000 2100000 647290000 486027000 7743562000 6886436000 0 0 710611000 671142000 6385661000 5729267000 68100000 2819132000 9200000 2522846000 2200000 0 0 2064299000 1813403000 2819132000 2522846000 2819132000 104516000 543052000 2131891000 39673000 0 731276000 2046243000 0 0 0 41613000 2522846000 712777000 559314000 1250755000 0 0 683539000 1839036000 0 0 0 271000 710611000 671142000 44222000 38301000 3862488000 4468494000 3591654000 3711705000 14083144000 13553924000 10220656000 9085430000 176275000 701342000 94559000 55447000 6791676000 7315459000 834492000 962719000 10220656000 9085430000 5780909000 5651398000 17012332000 16400889000 176275000 701342000 5100000 5800000 P4Y 75 3 15 218 6 83200000 70400000 525842000 57086000 96455000 10300000 372301000 422924000 0 96428000 14500000 326496000 0.0137 306200000 448100000 5526855000 -44946000 5369946000 5538103000 -168157000 5471740000 5652122000 -180382000 5370597000 5472392000 37300000 4600000 109500000 108500000 39300000 41200000 73100000 72400000 0 1500000 600000 86600000 0 733500000 700000 16100000 1300000 837700000 0 200000 300000 52800000 0 570200000 1000000 3600000 1300000 626800000 0 813100000 200000 24100000