$JEF
Jefferies Financial Group Inc. Stock $jef

$jef Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-Q Financial Statement

#000009622320000050 Filed on October 09, 2020

Income Statement

Concept	2020 Q3	2019 Q4	2019 Q3
Revenue	$1.825B	$1.106B	$1.223B
YoY Change	49.24%	37.13%	-16.16%
Cost Of Revenue	$82.66M	$470.6M	$85.77M
YoY Change	-3.63%		1.06%
Gross Profit	$1.743B	$754.5M	$1.137B
YoY Change	53.23%		-17.23%
Gross Profit Margin	95.47%	68.21%	92.99%
Selling, General & Admin	$998.5M	$748.6M	$715.6M
YoY Change	39.53%		1.3%
% of Gross Profit	57.29%	99.22%	62.92%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$39.52M	$39.00M	$39.88M
YoY Change	-0.9%	58.54%	23.49%
% of Gross Profit	2.27%	5.17%	3.51%
Operating Expenses	$1.038B	$790.8M	$755.5M
YoY Change	37.41%		2.26%
Operating Profit	$704.7M	-$36.30M	$381.9M
YoY Change	84.54%		-39.89%
Interest Expense	$21.51M	$63.80M	$23.66M
YoY Change	-9.09%		-17.94%
% of Operating Profit	3.05%		6.2%
Other Income/Expense, Net
YoY Change
Pretax Income	$412.2M	$232.5M	$13.26M
YoY Change	3008.21%		-95.14%
Income Tax	$107.4M	$45.40M	-$36.13M
% Of Pretax Income	26.05%	19.53%	-272.42%
Net Earnings	$304.4M	$195.5M	$48.48M
YoY Change	527.95%	-1059.9%	-74.83%
Net Earnings / Revenue	16.68%	17.68%	3.96%
Basic Earnings Per Share	$1.08	$0.63	$0.16
Diluted Earnings Per Share	$1.07	$0.62	$0.15
COMMON SHARES
Basic Shares Outstanding	280.7M shares	310.3M shares	310.3M shares
Diluted Shares Outstanding	285.1M shares	316.6M shares	311.9M shares

Balance Sheet

Concept	2020 Q3	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$8.427B	$7.679B	$6.011B
YoY Change	40.19%	46.02%	22.77%
Cash & Equivalents	$8.427B	$7.679B	$6.011B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$13.46B	$13.42B	$11.84B
YoY Change	13.68%	16.26%	10.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$916.0M	$385.0M
YoY Change		9.69%
Goodwill	$1.743B	$1.740B	$1.735B
YoY Change	0.49%	2.24%	1.87%
Intangibles	$171.1M	$183.0M	$186.8M
YoY Change	-8.41%	-2.83%	-2.57%
Long-Term Investments	$1.539B	$1.653B	$2.346B
YoY Change	-34.39%	-31.62%	-4.27%
Other Assets	$986.0M	$1.259B	$1.168B
YoY Change	-15.58%	3.11%	-15.48%
Total Long-Term Assets	$38.32B	$36.04B	$37.43B
YoY Change	2.38%	1.27%	-1.99%
TOTAL ASSETS
Total Short-Term Assets	$13.46B	$13.42B	$11.84B
Total Long-Term Assets	$38.32B	$36.04B	$37.43B
Total Assets	$51.77B	$49.46B	$49.26B
YoY Change	5.1%	4.94%	0.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$8.793B	$8.179B	$7.351B
YoY Change	19.62%	10.42%	10.04%
Accrued Expenses	$598.0M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$805.4M	$548.5M	$518.9M
YoY Change	55.21%	41.55%	35.84%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$19.39B	$17.77B	$18.29B
YoY Change	6.01%	-2.79%	-6.0%
LONG-TERM LIABILITIES
Long-Term Debt	$11.92B	$11.53B	$10.60B
YoY Change	12.44%	24.32%	13.48%
Other Long-Term Liabilities	$11.00B	$10.53B	$10.30B
YoY Change	6.79%	11.11%	8.62%
Total Long-Term Liabilities	$22.92B	$22.07B	$20.90B
YoY Change	9.66%	17.64%	11.03%
TOTAL LIABILITIES
Total Short-Term Liabilities	$19.39B	$17.77B	$18.29B
Total Long-Term Liabilities	$22.92B	$22.07B	$20.90B
Total Liabilities	$42.18B	$39.71B	$39.06B
YoY Change	7.98%	7.59%	2.38%
SHAREHOLDERS EQUITY
Retained Earnings	$6.265B	$5.933B	$6.255B
YoY Change	0.15%	5.76%	10.28%
Common Stock	$3.342B	$3.919B	$4.032B
YoY Change	-17.09%	-5.84%	-13.51%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares	57.22M shares	24.82M shares	17.18M shares
Shareholders Equity	$9.411B	$9.580B	$10.02B
YoY Change
Total Liabilities & Shareholders Equity	$51.77B	$49.46B	$49.26B
YoY Change	5.1%	4.94%	0.64%

Cashflow Statement

Concept	2020 Q3	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$304.4M	$195.5M	$48.48M
YoY Change	527.95%	-1059.9%	-74.83%
Depreciation, Depletion And Amortization	$39.52M	$39.00M	$39.88M
YoY Change	-0.9%	58.54%	23.49%
Cash From Operating Activities	$1.147B	$423.5M	$189.1M
YoY Change	506.5%	-13.78%	-73.88%
INVESTING ACTIVITIES
Capital Expenditures	-$25.70M	-$68.00M	-$61.70M
YoY Change	-58.35%	57.04%	48.67%
Acquisitions
YoY Change
Other Investing Activities	$700.0K	$672.0M	-$38.00M
YoY Change	-101.84%	120.91%	-55.35%
Cash From Investing Activities	-$25.00M	$603.9M	-$99.60M
YoY Change	-74.9%	131.47%	-21.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	747.7M	754.1M	667.7M
YoY Change	11.98%	-240.06%	-382.56%
NET CHANGE
Cash From Operating Activities	1.147B	423.5M	189.1M
Cash From Investing Activities	-25.00M	603.9M	-99.60M
Cash From Financing Activities	747.7M	754.1M	667.7M
Net Change In Cash	1.870B	1.781B	757.2M
YoY Change	146.91%	733.65%	109.69%
FREE CASH FLOW
Cash From Operating Activities	$1.147B	$423.5M	$189.1M
Capital Expenditures	-$25.70M	-$68.00M	-$61.70M
Free Cash Flow	$1.173B	$491.5M	$250.8M
YoY Change	367.54%	-8.04%	-67.24%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000096223
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--11-30
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
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	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.45
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	jef	Restricted Cash Awards Compensation Cost Not Yet Recognized Period For Recognition RestrictedCashAwardsCompensationCostNotYetRecognizedPeriodForRecognition	P3Y
	jef	Repos Obligation Settlement Period ReposObligationSettlementPeriod	P3D
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-08-31
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-5721
	dei	Entity Registrant Name EntityRegistrantName	JEFFERIES FINANCIAL GROUP INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	NY
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-2615557
	dei	Entity Address Address Line1 EntityAddressAddressLine1	520 Madison Avenue
	dei	Entity Address City Or Town EntityAddressCityOrTown	New York,
CY2019Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	796797000	USD
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CY2019Q4	us-gaap	Financial Instruments Owned At Fair Value FinancialInstrumentsOwnedAtFairValue	16895741000	USD
	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	10022
	dei	City Area Code CityAreaCode	212
	dei	Local Phone Number LocalPhoneNumber	460-1900
	dei	Security12b Title Security12bTitle	Common Shares, par value $1 per share
	dei	Trading Symbol TradingSymbol	JEF
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2020Q3	us-gaap	Other Secured Financings OtherSecuredFinancings	3376257000	USD
CY2019Q4	us-gaap	Other Secured Financings OtherSecuredFinancings	3070611000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2020Q3	jef	Operating Lease And Finance Lease Liability OperatingLeaseAndFinanceLeaseLiability	598363000	USD
CY2019Q4	jef	Operating Lease And Finance Lease Liability OperatingLeaseAndFinanceLeaseLiability	0	USD
CY2020Q3	jef	Payables Expense Accruals And Other Liabilities PayablesExpenseAccrualsAndOtherLiabilities	8792748000	USD
CY2019Q4	jef	Payables Expense Accruals And Other Liabilities PayablesExpenseAccrualsAndOtherLiabilities	8179013000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	8419837000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	8337061000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	42180264000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	39706945000	USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q3	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	24273000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	26605000	USD
CY2020Q3	jef	Mandatorily Redeemable Convertible Preferred Shares MandatorilyRedeemableConvertiblePreferredShares	125000000	USD
CY2019Q4	jef	Mandatorily Redeemable Convertible Preferred Shares MandatorilyRedeemableConvertiblePreferredShares	125000000	USD
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	259246000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	291644000	USD
CY2020Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3083137000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3627711000	USD
CY2020Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-196407000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-273039000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	6264689000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	5933389000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	9410665000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	9579705000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	33786000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	21979000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9444451000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9601684000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	51773988000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	49460234000	USD
CY2020Q3	us-gaap	Revenues Revenues	1825499000	USD
CY2019Q3	us-gaap	Revenues Revenues	1223156000	USD
	us-gaap	Revenues Revenues	4895294000	USD
	us-gaap	Revenues Revenues	3928539000	USD
CY2020Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	1616170000	USD
CY2019Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	856778000	USD
	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	4150087000	USD
	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	2786878000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	760837000	USD
CY2019Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	446882000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2029497000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1367034000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	82657000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	85773000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	235871000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	233109000	USD
CY2020Q3	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	66743000	USD
CY2019Q3	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	50858000	USD
	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	201403000	USD
	us-gaap	Floor Brokerage Exchange And Clearance Fees FloorBrokerageExchangeAndClearanceFees	163113000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	21512000	USD
CY2019Q3	us-gaap	Interest Expense InterestExpense	23663000	USD
	us-gaap	Interest Expense InterestExpense	64226000	USD
	us-gaap	Interest Expense InterestExpense	69819000	USD
CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39520000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39880000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	119356000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	110600000	USD
CY2020Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	237712000	USD
CY2019Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	268742000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	784668000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	718910000	USD
CY2020Q3	us-gaap	Costs And Expenses CostsAndExpenses	1208981000	USD
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	915798000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	3435021000	USD
	us-gaap	Costs And Expenses CostsAndExpenses	2662585000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	407189000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-59020000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	715066000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	124293000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5053000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	72283000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-69523000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	121766000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	412242000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13263000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	645543000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	246059000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	107403000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-36131000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	185138000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-522626000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	304839000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	49394000	USD
	us-gaap	Profit Loss ProfitLoss	460405000	USD
	us-gaap	Profit Loss ProfitLoss	768685000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	-324000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	-116000	USD
	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	-5033000	USD
	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	759000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-650000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-242000	USD
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-1130000	USD
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	47000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1404000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1275000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	4230000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	3827000	USD
CY2020Q3	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	304409000	USD
CY2019Q3	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	48477000	USD
	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	462338000	USD
	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	764052000	USD
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.08
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.44
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.57
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.41
CY2020Q3	us-gaap	Profit Loss ProfitLoss	304839000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	49394000	USD
	us-gaap	Profit Loss ProfitLoss	460405000	USD
	us-gaap	Profit Loss ProfitLoss	768685000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-22000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	198000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	411000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	577000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	543178000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-22000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	198000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	411000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-542601000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	70758000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-30070000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	35815000	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-39263000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	70758000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-30070000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	35815000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-39263000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax	-133915000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax	5889000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax	39373000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Unrealized Gain Loss Arising During Period After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionUnrealizedGainLossArisingDuringPeriodAfterTax	26040000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	-656000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	898000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option Reclassification Adjustment From Aoci For Derecognition After Tax OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionReclassificationAdjustmentFromAociForDerecognitionAfterTax	-493000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	-133259000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	5889000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	38475000	USD
	us-gaap	Other Comprehensive Income Loss Financial Liability Fair Value Option After Tax And Reclassification Adjustment OtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTaxAndReclassificationAdjustment	26533000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	470000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	644000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	355000	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1931000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-470000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	1063000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-644000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-355000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1931000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1063000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-61879000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23628000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	76632000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-554738000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	242960000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-5033000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	759000	USD
CY2020Q3	jef	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interests ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterests	-650000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	25766000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	537037000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	213947000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-324000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-116000	USD
CY2019Q3	jef	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interests ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterests	-242000	USD
	jef	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interests ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterests	-1130000	USD
	jef	Comprehensive Income Loss Net Of Tax Attributable To Redeemable Noncontrolling Interests ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterests	47000	USD
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1404000	USD
CY2019Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	1275000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	4230000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	3827000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	242530000	USD
CY2019Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24849000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	538970000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	209314000	USD
	us-gaap	Profit Loss ProfitLoss	460405000	USD
	us-gaap	Profit Loss ProfitLoss	768685000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	106501000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8148000	USD
	jef	Recognition Of Accumulated Other Comprehensive Income Lodged Taxes RecognitionOfAccumulatedOtherComprehensiveIncomeLodgedTaxes	0	USD
	jef	Recognition Of Accumulated Other Comprehensive Income Lodged Taxes RecognitionOfAccumulatedOtherComprehensiveIncomeLodgedTaxes	544583000	USD
	jef	Depreciationandamortizationofrealestatepropertyequipmentandleaseholdimprovements Depreciationandamortizationofrealestatepropertyequipmentandleaseholdimprovements	109877000	USD
	jef	Depreciationandamortizationofrealestatepropertyequipmentandleaseholdimprovements Depreciationandamortizationofrealestatepropertyequipmentandleaseholdimprovements	100679000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	7942000	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	-13252000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	29554000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	37036000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	32344000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	21375000	USD
	jef	Income Losses Relatedto Associated Companies Including Income Losses Relatedto Subsidiary Associated Companies Primarily Classifiedas Revenues IncomeLossesRelatedtoAssociatedCompaniesIncludingIncomeLossesRelatedtoSubsidiaryAssociatedCompaniesPrimarilyClassifiedasRevenues	-91805000	USD
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	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	669119000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8480435000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6012662000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9397893000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6681781000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8426832000	USD
	jef	Income Losses Relatedto Associated Companies Including Income Losses Relatedto Subsidiary Associated Companies Primarily Classifiedas Revenues IncomeLossesRelatedtoAssociatedCompaniesIncludingIncomeLossesRelatedtoSubsidiaryAssociatedCompaniesPrimarilyClassifiedasRevenues	193380000	USD
	jef	Dividends Or Distributions From Associated Companies DividendsOrDistributionsFromAssociatedCompanies	54916000	USD
	jef	Dividends Or Distributions From Associated Companies DividendsOrDistributionsFromAssociatedCompanies	249895000	USD
	jef	Netgainslossesrelatedtopropertyandequipmentandotherassets Netgainslossesrelatedtopropertyandequipmentandotherassets	-59125000	USD
	jef	Netgainslossesrelatedtopropertyandequipmentandotherassets Netgainslossesrelatedtopropertyandequipmentandotherassets	56706000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	67555000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	59155000	USD
	jef	Increase Decreasein Securities Depositedwith Clearingand Depository Organizations IncreaseDecreaseinSecuritiesDepositedwithClearingandDepositoryOrganizations	20955000	USD
	jef	Increase Decreasein Securities Depositedwith Clearingand Depository Organizations IncreaseDecreaseinSecuritiesDepositedwithClearingandDepositoryOrganizations	153000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	1038140000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-123734000	USD
	us-gaap	Increase Decrease In Securities Borrowed IncreaseDecreaseInSecuritiesBorrowed	-382907000	USD
	us-gaap	Increase Decrease In Securities Borrowed IncreaseDecreaseInSecuritiesBorrowed	1410295000	USD
	jef	Increase Decrease In Securities Purchased Under Agreements To Resell IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell	979989000	USD
	jef	Increase Decrease In Securities Purchased Under Agreements To Resell IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell	1772192000	USD
	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	-261569000	USD
	us-gaap	Increase Decrease In Brokerage Receivables IncreaseDecreaseInBrokerageReceivables	-268321000	USD
	jef	Increase Decrease Receivables From Customers Of Securities Operations IncreaseDecreaseReceivablesFromCustomersOfSecuritiesOperations	-524860000	USD
	jef	Increase Decrease Receivables From Customers Of Securities Operations IncreaseDecreaseReceivablesFromCustomersOfSecuritiesOperations	-329504000	USD
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	42659000	USD
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	47657000	USD
	jef	Increase Decrease In Other Assets IncreaseDecreaseInOtherAssets	153557000	USD
	jef	Increase Decrease In Other Assets IncreaseDecreaseInOtherAssets	100165000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	366737000	USD
	us-gaap	Increase Decrease In Trading Liabilities IncreaseDecreaseInTradingLiabilities	921280000	USD
	us-gaap	Increase Decrease In Securities Loaned Transactions IncreaseDecreaseInSecuritiesLoanedTransactions	387692000	USD
	us-gaap	Increase Decrease In Securities Loaned Transactions IncreaseDecreaseInSecuritiesLoanedTransactions	387016000	USD
	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	-260144000	USD
	us-gaap	Increase Decrease In Payables Under Repurchase Agreements IncreaseDecreaseInPayablesUnderRepurchaseAgreements	-346031000	USD
	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-81905000	USD
	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-169021000	USD
	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	128167000	USD
	us-gaap	Increase Decrease In Payables To Customers IncreaseDecreaseInPayablesToCustomers	422840000	USD
	jef	Increase Decreasein Trade Payables Expense Accrualsand Other Liabilities IncreaseDecreaseinTradePayablesExpenseAccrualsandOtherLiabilities	651918000	USD
	jef	Increase Decreasein Trade Payables Expense Accrualsand Other Liabilities IncreaseDecreaseinTradePayablesExpenseAccrualsandOtherLiabilities	-328902000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-220488000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-92502000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1307858000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1251322000	USD
	jef	Payments To Acquire Property Plant And Equipment And Other Assets PaymentsToAcquirePropertyPlantAndEquipmentAndOtherAssets	146416000	USD
	jef	Payments To Acquire Property Plant And Equipment And Other Assets PaymentsToAcquirePropertyPlantAndEquipmentAndOtherAssets	164165000	USD
	jef	Proceeds From Disposals Of Property And Equipment And Other Assets ProceedsFromDisposalsOfPropertyAndEquipmentAndOtherAssets	4847000	USD
	jef	Proceeds From Disposals Of Property And Equipment And Other Assets ProceedsFromDisposalsOfPropertyAndEquipmentAndOtherAssets	20134000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-100743000	USD
	us-gaap	Payments To Acquire Receivables PaymentsToAcquireReceivables	601068000	USD
	us-gaap	Payments To Acquire Receivables PaymentsToAcquireReceivables	333198000	USD
	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	546676000	USD
	us-gaap	Proceeds From Sale And Collection Of Receivables ProceedsFromSaleAndCollectionOfReceivables	202516000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	1390779000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	172493000	USD
CY2019Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6011350000	USD
CY2020Q3	jef	Cash And Securities Segregated And On Deposit For Regulatory Purposes Or Deposited With Clearing And Depository Organizations CashAndSecuritiesSegregatedAndOnDepositForRegulatoryPurposesOrDepositedWithClearingAndDepositoryOrganizations	930174000	USD
CY2019Q3	jef	Cash And Securities Segregated And On Deposit For Regulatory Purposes Or Deposited With Clearing And Depository Organizations CashAndSecuritiesSegregatedAndOnDepositForRegulatoryPurposesOrDepositedWithClearingAndDepositoryOrganizations	623363000	USD
CY2020Q3	jef	Restricted Cash Other Assets RestrictedCashOtherAssets	40887000	USD
CY2019Q3	jef	Restricted Cash Other Assets RestrictedCashOtherAssets	47068000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9397893000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6681781000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9361113000	USD
CY2020Q3	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	304409000	USD
	jef	Capitaldistributionsandloanrepaymentsfromassociatedcompanies Capitaldistributionsandloanrepaymentsfromassociatedcompanies	1372779000	USD
	jef	Capitaldistributionsandloanrepaymentsfromassociatedcompanies Capitaldistributionsandloanrepaymentsfromassociatedcompanies	31269000	USD
	jef	Purchases Of Investments Other Than Short Term PurchasesOfInvestmentsOtherThanShortTerm	906000	USD
	jef	Purchases Of Investments Other Than Short Term PurchasesOfInvestmentsOtherThanShortTerm	2995000	USD
	jef	Proceeds From Maturities Of Investments ProceedsFromMaturitiesOfInvestments	2025000	USD
	jef	Proceeds From Maturities Of Investments ProceedsFromMaturitiesOfInvestments	531104000	USD
	jef	Proceeds From Sales Of Investments ProceedsFromSalesOfInvestments	19939000	USD
	jef	Proceeds From Sales Of Investments ProceedsFromSalesOfInvestments	890259000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-4499000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-188404000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1103174000	USD
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	2362574000	USD
	us-gaap	Proceeds From Other Debt ProceedsFromOtherDebt	2493735000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	2121748000	USD
	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	2141271000	USD
	jef	Netchangeinothersecuredfinancings Netchangeinothersecuredfinancings	303893000	USD
	jef	Netchangeinothersecuredfinancings Netchangeinothersecuredfinancings	972296000	USD
	us-gaap	Proceeds From Repayments Of Bank Overdrafts ProceedsFromRepaymentsOfBankOverdrafts	-37758000	USD
	us-gaap	Proceeds From Repayments Of Bank Overdrafts ProceedsFromRepaymentsOfBankOverdrafts	-9028000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1719000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	2481000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	18558000	USD
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	6771000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	623469000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	372849000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	122871000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	112455000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	821000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	792000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-221719000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	835510000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	19723000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-18243000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	324000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-61879000	USD
CY2020Q3	jef	Noncontrolling Interest Increase From Contributions From Noncontrolling Interests NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterests	1054000	USD
CY2020Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1503000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8870000	USD
CY2020Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	128217000	USD
CY2020Q3	us-gaap	Dividends Common Stock DividendsCommonStock	41798000	USD
CY2020Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2726000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9444451000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9877361000	USD
CY2019Q3	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	48477000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	116000	USD
CY2019Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-23628000	USD
CY2019Q3	jef	Noncontrolling Interest Increase From Contributions From Noncontrolling Interests NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterests	66000	USD
CY2019Q3	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	181780000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12150000	USD
CY2019Q3	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-2558000	USD
CY2019Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	8141000	USD
CY2019Q3	us-gaap	Dividends Common Stock DividendsCommonStock	40015000	USD
CY2019Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-2405000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10047781000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9601684000	USD
	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	462338000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	5033000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	76632000	USD
	jef	Noncontrolling Interest Increase From Contributions From Noncontrolling Interests NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterests	18558000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1719000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	29554000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	3875000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	622255000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	131038000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-11855000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9444451000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10079257000	USD
	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	764052000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-759000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-554738000	USD
	jef	Noncontrolling Interest Increase From Contributions From Noncontrolling Interests NoncontrollingInterestIncreaseFromContributionsFromNoncontrollingInterests	6771000	USD
CY2020Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	2755800000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	2481000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	181780000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	37036000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-1437000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	355280000	USD
	us-gaap	Dividends Common Stock DividendsCommonStock	118956000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-11018000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10047781000	USD
	us-gaap	Nature Of Operations NatureOfOperations	Nature of Operations<div style="text-align:justify;margin-bottom:8pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Jefferies Financial Group Inc. ("Jefferies," "we," "our" or the "Company") is a diversified financial services company engaged in investment banking and capital markets, asset management and direct investing. Jefferies Group LLC ("Jefferies Group"), our largest subsidiary, is the largest independent full-service global investment banking firm headquartered in the U.S. </span></div><div style="text-align:justify;margin-bottom:8pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Jefferies Group operates in two business segments: Investment Banking and Capital Markets, and Asset Management. Investment Banking and Capital Markets includes investment banking, capital markets and other related services. Investment banking provides underwriting and financial advisory services to clients across most industry sectors in the Americas, Europe and Asia. Capital markets businesses operate across the spectrum of equities, fixed income and foreign exchange products. Related services include, among other things, prime brokerage and equity finance, research and strategy, corporate lending and real estate finance. </span></div><div style="text-align:justify;margin-bottom:8pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Our Asset Management segment includes both the operations of Leucadia Asset Management ("LAM") as well as the asset management operations within Jefferies Group. Within Asset Management, we manage, invest in and provide services to a diverse group of alternative asset management platforms across a spectrum of investment strategies and asset classes. Asset Management offers institutional clients an innovative range of investment strategies through its affiliated managers.</span></div><div style="text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Merchant Banking is where we own a portfolio of businesses and investments, including Linkem (fixed wireless broadband services in Italy); Vitesse Energy, LLC ("Vitesse Energy Finance") and JETX Energy, LLC ("JETX Energy") (oil and gas production and development); real estate, primarily HomeFed LLC ("HomeFed"); Idaho Timber (manufacturing); and FXCM Group, LLC ("FXCM") (provider of online foreign exchange trading services). Our Merchant Banking businesses and investments also included National Beef Packing Company, LLC ("National Beef") (beef processing), prior to its sale in November 2019 and Spectrum Brands Holdings, Inc. ("Spectrum Brands") (consumer products), prior to its distribution to our shareholders in October 2019. The structure of each of our investments was tailored to the unique opportunity each transaction presented. Our investments may be reflected in our consolidated results as consolidated subsidiaries, equity investments, securities or in other ways, depending on the structure of our specific holdings.</span></div><div style="text-align:justify;"><span><br/></span></div><div style="text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">We own approximately 42% of the common shares of Linkem, as well as convertible preferred shares and warrants. If all of our convertible preferred stock was converted and warrants were exercised, it would increase our ownership to approximately 56% of Linkem's common equity at August 31, 2020. Linkem provides residential broadband services in Italy using LTE technologies deployed over the 3.5 GHz spectrum band and is preparing to upgrade its service to 5G. Linkem is accounted for under the equity method. </span></div><div style="text-align:justify;"><span><br/></span></div><div style="text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Vitesse Energy Finance is our 97% owned consolidated subsidiary that acquires and invests in non-operated working interests and royalties predominantly in the Bakken Shale oil field in North Dakota. JETX Energy is our 98% owned consolidated subsidiary that currently has non-operated working interests and acreage in east Texas.</span></div><div style="text-align:justify;margin-top:12pt;margin-bottom:12pt;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">HomeFed is our 100% owned consolidated subsidiary that owns and develops residential and mixed use real estate properties. Prior to July 1, 2019, we owned approximately 70% of HomeFed and accounted for it under the equity method. On July 1, 2019, we completed a merger with HomeFed by which we acquired the remaining common stock of HomeFed. From July 1, 2019, the results of HomeFed are reflected on a consolidated basis.</span></div><div style="text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Idaho Timber is our 100% owned consolidated subsidiary engaged in the manufacture and distribution of various wood products.</span></div><div style="text-align:justify;"><span><br/></span></div><div style="text-align:justify;"><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;">Our investment in FXCM and associated companies consists of a senior secured term loan due February 15, 2021 ($71.6 million principal outstanding at August 31, 2020), a 50% voting interest in FXCM and rights to a majority of all distributions in respect of the equity of FXCM.</span></div>
CY2019Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	3011000000.0	USD
CY2020Q3	us-gaap	Receivables From Customers ReceivablesFromCustomers	956800000	USD
CY2019Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	1490900000	USD
CY2020Q3	jef	Other Investments Carrying Value OtherInvestmentsCarryingValue	104800000	USD
CY2019Q4	jef	Other Investments Carrying Value OtherInvestmentsCarryingValue	172800000	USD
CY2020Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	300000	USD
CY2019Q3	us-gaap	Impairment Of Investments ImpairmentOfInvestments	2300000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	20900000	USD
	us-gaap	Impairment Of Investments ImpairmentOfInvestments	2300000	USD
CY2020Q3	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1600000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	6400000	USD
CY2020Q3	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	2546500000	USD
CY2019Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	2621700000	USD
CY2020Q3	srt	Payables To Customers PayablesToCustomers	3936800000	USD
CY2019Q4	srt	Payables To Customers PayablesToCustomers	3808600000	USD
	us-gaap	Interest Paid Net InterestPaidNet	880853000	USD
	us-gaap	Interest Paid Net InterestPaidNet	1257311000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-13514000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	25825000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	545800000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	614900000	USD
CY2020Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	1611815000	USD
CY2020Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	1611815000	USD
CY2020Q3	jef	Financial Instruments Owned At Fair Value Excluding Investments At Fair Value Based On Nav FinancialInstrumentsOwnedAtFairValueExcludingInvestmentsAtFairValueBasedOnNAV	17058503000	USD
CY2020Q3	us-gaap	Investments In And Advances To Affiliates At Fair Value InvestmentsInAndAdvancesToAffiliatesAtFairValue	43092000	USD
CY2020Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	1799681000	USD
CY2020Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	1799681000	USD
CY2020Q3	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	10994556000	USD
CY2020Q3	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	21829000	USD
CY2020Q3	jef	Other Secured Financings Fair Value OtherSecuredFinancingsFairValue	3402000	USD
CY2020Q3	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1522105000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	1433197000	USD
CY2019Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	1433197000	USD
CY2019Q4	jef	Financial Instruments Owned At Fair Value Excluding Investments At Fair Value Based On Nav FinancialInstrumentsOwnedAtFairValueExcludingInvestmentsAtFairValueBasedOnNAV	16308807000	USD
CY2019Q4	jef	Securities Purchased Under Agreements To Resellat Fair Value SecuritiesPurchasedUnderAgreementsToResellatFairValue	25000000	USD
CY2019Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	1632178000	USD
CY2019Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	1632178000	USD
CY2019Q4	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	10532460000	USD
CY2019Q4	us-gaap	Shortterm Debt Fair Value ShorttermDebtFairValue	20981000	USD
CY2019Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	1215285000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2020Q3	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	13510000	USD
CY2019Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	14621000	USD
CY2020Q3	jef	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss Included In Other Comprehensive Income FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherComprehensiveIncome	-88300000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	64500000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	39900000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	54400000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	30000000.0	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	42200000	USD
CY2020Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-124300000	USD
	jef	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss Included In Other Comprehensive Income FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherComprehensiveIncome	17300000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	132000000.0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	22300000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	37300000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	106200000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-80700000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	50100000	USD
CY2019Q3	jef	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss Included In Other Comprehensive Income FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherComprehensiveIncome	700000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	79000000.0	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	70300000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	43500000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	23800000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-150300000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	12800000	USD
	jef	Fair Value Liabilities Measured On Recurring Basis Change In Unrealized Gain Loss Included In Other Comprehensive Income FairValueLiabilitiesMeasuredOnRecurringBasisChangeInUnrealizedGainLossIncludedInOtherComprehensiveIncome	9800000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	60200000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	47800000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersIntoLevel3	98300000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Liability Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationLiabilityTransfersOutOfLevel3	64100000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-123300000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	55800000	USD
CY2020Q3	jef	Excluded Securities From Unobservable Quantitative Information Assets ExcludedSecuritiesFromUnobservableQuantitativeInformationAssets	156600000	USD
CY2019Q4	jef	Excluded Securities From Unobservable Quantitative Information Assets ExcludedSecuritiesFromUnobservableQuantitativeInformationAssets	79900000	USD
CY2019Q4	jef	Excluded Securitiesfrom Unobservable Quantitative Information Liabilities ExcludedSecuritiesfromUnobservableQuantitativeInformationLiabilities	400000	USD
CY2020Q3	jef	Excluded Securitiesfrom Unobservable Quantitative Information Liabilities ExcludedSecuritiesfromUnobservableQuantitativeInformationLiabilities	5000000.0	USD
CY2020Q3	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	1704000	USD
CY2019Q3	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	2040000	USD
	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	-11256000	USD
	us-gaap	Fair Value Option Credit Risk Gains Losses On Assets FairValueOptionCreditRiskGainsLossesOnAssets	-5458000	USD
CY2020Q3	jef	Fair Value Option Credit Risk Gains Losses On Loans FairValueOptionCreditRiskGainsLossesOnLoans	367000	USD
CY2019Q3	jef	Fair Value Option Credit Risk Gains Losses On Loans FairValueOptionCreditRiskGainsLossesOnLoans	0	USD
	jef	Fair Value Option Credit Risk Gains Losses On Loans FairValueOptionCreditRiskGainsLossesOnLoans	-610000	USD
	jef	Fair Value Option Credit Risk Gains Losses On Loans FairValueOptionCreditRiskGainsLossesOnLoans	0	USD
CY2020Q3	jef	Fair Value Option Credit Risk Gains Losseson Loan Commitments FairValueOptionCreditRiskGainsLossesonLoanCommitments	1875000	USD
CY2019Q3	jef	Fair Value Option Credit Risk Gains Losseson Loan Commitments FairValueOptionCreditRiskGainsLossesonLoanCommitments	-443000	USD
	jef	Fair Value Option Credit Risk Gains Losseson Loan Commitments FairValueOptionCreditRiskGainsLossesonLoanCommitments	464000	USD
	jef	Fair Value Option Credit Risk Gains Losseson Loan Commitments FairValueOptionCreditRiskGainsLossesonLoanCommitments	-1200000	USD
CY2020Q3	us-gaap	Fair Value Option Aggregate Differences Loans And Long Term Receivables FairValueOptionAggregateDifferencesLoansAndLongTermReceivables	1839249000	USD
CY2019Q4	us-gaap	Fair Value Option Aggregate Differences Loans And Long Term Receivables FairValueOptionAggregateDifferencesLoansAndLongTermReceivables	1546516000	USD
CY2020Q3	jef	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status And Or90 Days Or Greater Past Due Aggregated Difference FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusAndOr90DaysOrGreaterPastDueAggregatedDifference	334504000	USD
CY2019Q4	jef	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status And Or90 Days Or Greater Past Due Aggregated Difference FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusAndOr90DaysOrGreaterPastDueAggregatedDifference	197215000	USD
CY2020Q3	jef	Fair Value Option Aggregate Differences Longterm Debt And Shortterm Borrowing FairValueOptionAggregateDifferencesLongtermDebtAndShorttermBorrowing	74197000	USD
CY2019Q4	jef	Fair Value Option Aggregate Differences Longterm Debt And Shortterm Borrowing FairValueOptionAggregateDifferencesLongtermDebtAndShorttermBorrowing	74408000	USD
CY2020Q3	jef	Fair Value Option Aggregate Differences Other Secured Financings FairValueOptionAggregateDifferencesOtherSecuredFinancings	923000	USD
CY2019Q4	jef	Fair Value Option Aggregate Differences Other Secured Financings FairValueOptionAggregateDifferencesOtherSecuredFinancings	0	USD
CY2020Q3	us-gaap	Fair Value Option Loans Held As Assets90 Days Or More Past Due Aggregate Difference FairValueOptionLoansHeldAsAssets90DaysOrMorePastDueAggregateDifference	29000000.0	USD
CY2019Q4	us-gaap	Fair Value Option Loans Held As Assets90 Days Or More Past Due Aggregate Difference FairValueOptionLoansHeldAsAssets90DaysOrMorePastDueAggregateDifference	22200000	USD
CY2020Q3	jef	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status And Or90 Days Or Greater Past Due FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusAndOr90DaysOrGreaterPastDue	162600000	USD
CY2019Q4	jef	Fair Value Option Loans Held As Assets Aggregate Amount In Nonaccrual Status And Or90 Days Or Greater Past Due FairValueOptionLoansHeldAsAssetsAggregateAmountInNonaccrualStatusAndOr90DaysOrGreaterPastDue	127000000.0	USD
CY2020Q3	us-gaap	Fair Value Option Loans Held As Assets90 Days Or More Past Due FairValueOptionLoansHeldAsAssets90DaysOrMorePastDue	13300000	USD
CY2019Q4	us-gaap	Fair Value Option Loans Held As Assets90 Days Or More Past Due FairValueOptionLoansHeldAsAssets90DaysOrMorePastDue	24800000	USD
CY2020Q3	us-gaap	Derivative Assets DerivativeAssets	529684000	USD
CY2020Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	483335000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	418408000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	527205000	USD
CY2020Q3	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	2468000	USD
CY2019Q3	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	-467000	USD
	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	1764000	USD
	us-gaap	Gain Loss On Fair Value Hedges Recognized In Earnings GainLossOnFairValueHedgesRecognizedInEarnings	-2445000	USD
CY2020Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-82721000	USD
CY2019Q3	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-84495000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	131411000	USD
	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-296143000	USD
CY2020Q3	jef	Otc Derivative Assets Having Maturity Period Of Zero To Twelve Months OtcDerivativeAssetsHavingMaturityPeriodOfZeroToTwelveMonths	273497000	USD
CY2020Q3	jef	Otc Derivative Assets Having Maturity Period Of One To Five Years OtcDerivativeAssetsHavingMaturityPeriodOfOneToFiveYears	304574000	USD
CY2020Q3	jef	Otc Derivative Assets Having Maturity Period Of Greater Than Five Years OtcDerivativeAssetsHavingMaturityPeriodOfGreaterThanFiveYears	240514000	USD
CY2020Q3	jef	Otc Derivative Assets Cross Maturity Netting OtcDerivativeAssetsCrossMaturityNetting	89613000	USD
CY2020Q3	jef	Consolidated Otc Derivative Assets Net Of Crossmaturity Netting ConsolidatedOtcDerivativeAssetsNetOfCrossmaturityNetting	728972000	USD
CY2020Q3	jef	Fair Value Of Otc Derivatives Assets Counterparty Credit Quality FairValueOfOtcDerivativesAssetsCounterpartyCreditQuality	139436000	USD
CY2020Q3	jef	Derivative Assets Cross Product Counterparty Netting DerivativeAssetsCrossProductCounterpartyNetting	22759000	USD
CY2020Q3	jef	Otc Derivative Assets Included In Financial Instruments Owned OtcDerivativeAssetsIncludedInFinancialInstrumentsOwned	706213000	USD
CY2020Q3	jef	Exchange Traded Derivative Assets And Other Credit Agreements ExchangeTradedDerivativeAssetsAndOtherCreditAgreements	25100000	USD
CY2020Q3	jef	Cash Collateral Received CashCollateralReceived	201600000	USD
CY2020Q3	jef	Otc Derivative Liabilities Having Maturity Period Of Zero To Twelve Months OtcDerivativeLiabilitiesHavingMaturityPeriodOfZeroToTwelveMonths	173451000	USD
CY2020Q3	jef	Otc Derivative Liabilities Having Maturity Period Of One To Five Years OtcDerivativeLiabilitiesHavingMaturityPeriodOfOneToFiveYears	567851000	USD
CY2020Q3	jef	Otc Derivative Liabilities Having Maturity Period Of Greater Than Five Years OtcDerivativeLiabilitiesHavingMaturityPeriodOfGreaterThanFiveYears	229335000	USD
CY2020Q3	jef	Otc Derivative Liabilities Cross Maturity Netting OtcDerivativeLiabilitiesCrossMaturityNetting	89613000	USD
CY2020Q3	jef	Consolidated Otc Derivative Liabilities Net Of Crossmaturity Netting ConsolidatedOtcDerivativeLiabilitiesNetOfCrossmaturityNetting	881024000	USD
CY2020Q3	jef	Derivative Liabilities Cross Product Counterparty Netting DerivativeLiabilitiesCrossProductCounterpartyNetting	22759000	USD
CY2020Q3	jef	Otc Derivative Liabilities Included In Financial Instruments Sold Not Yet Purchased OtcDerivativeLiabilitiesIncludedInFinancialInstrumentsSoldNotYetPurchased	858265000	USD
CY2020Q3	jef	Exchange Traded Derivative Liabilities And Other Credit Agreements ExchangeTradedDerivativeLiabilitiesAndOtherCreditAgreements	14500000	USD
CY2020Q3	jef	Cash Collateral Pledged CashCollateralPledged	389500000	USD
CY2020Q3	jef	Fair Value Of Otc Derivatives Assets Counterparty Credit Quality Bbb Minus To Bbb Plus FairValueOfOtcDerivativesAssetsCounterpartyCreditQualityBbbMinusToBbbPlus	15949000	USD
CY2020Q3	jef	Fair Value Of Otc Derivatives Assets Counterparty Credit Quality Bb Plus Or Lower FairValueOfOtcDerivativesAssetsCounterpartyCreditQualityBbPlusOrLower	353564000	USD
CY2020Q3	jef	Fair Value Of Over Counter Derivatives Assets Counterparty Credit Quality Unrated FairValueOfOverCounterDerivativesAssetsCounterpartyCreditQualityUnrated	197264000	USD
CY2020Q3	jef	Otc Derivative Assets Included In Financial Instruments Owned OtcDerivativeAssetsIncludedInFinancialInstrumentsOwned	706213000	USD
CY2020Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	191400000	USD
CY2019Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	42900000	USD
CY2020Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	120600000	USD
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	3100000	USD
CY2020Q3	jef	Collateral Received Aggregate Fair Value CollateralReceivedAggregateFairValue	64500000	USD
CY2019Q4	jef	Collateral Received Aggregate Fair Value CollateralReceivedAggregateFairValue	114100000	USD
CY2020Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	135300000	USD
CY2019Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	154000000.0	USD
CY2020Q3	us-gaap	Securities Loaned Including Not Subject To Master Netting Arrangement And Assets Other Than Securities Transferred SecuritiesLoanedIncludingNotSubjectToMasterNettingArrangementAndAssetsOtherThanSecuritiesTransferred	1929737000	USD
CY2020Q3	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	19837038000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	21771188000	USD
CY2019Q4	us-gaap	Securities Loaned Including Not Subject To Master Netting Arrangement And Assets Other Than Securities Transferred SecuritiesLoanedIncludingNotSubjectToMasterNettingArrangementAndAssetsOtherThanSecuritiesTransferred	1525140000	USD
CY2019Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	18756917000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	20291557000	USD
CY2020Q3	us-gaap	Securities Loaned Including Not Subject To Master Netting Arrangement And Assets Other Than Securities Transferred SecuritiesLoanedIncludingNotSubjectToMasterNettingArrangementAndAssetsOtherThanSecuritiesTransferred	1929737000	USD
CY2020Q3	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	19837038000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	21771188000	USD
CY2019Q4	us-gaap	Securities Loaned Including Not Subject To Master Netting Arrangement And Assets Other Than Securities Transferred SecuritiesLoanedIncludingNotSubjectToMasterNettingArrangementAndAssetsOtherThanSecuritiesTransferred	1525140000	USD
CY2019Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	18756917000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	20291557000	USD
CY2020Q3	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	29900000000	USD
CY2019Q4	us-gaap	Fair Value Of Securities Received As Collateral That Can Be Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatCanBeResoldOrRepledged	28700000000	USD
CY2020Q3	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	7268413000	USD
CY2020Q3	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	0	USD
CY2020Q3	us-gaap	Securities Borrowed SecuritiesBorrowed	7268413000	USD
CY2020Q3	us-gaap	Securities Borrowed Collateral Obligation To Return Cash SecuritiesBorrowedCollateralObligationToReturnCash	429615000	USD
CY2020Q3	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	1691674000	USD
CY2020Q3	us-gaap	Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	5147124000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	17905457000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	12578066000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	5327391000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	144353000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	5141297000	USD
CY2020Q3	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	41741000	USD
CY2020Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	1929737000	USD
CY2020Q3	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	0	USD
CY2020Q3	us-gaap	Securities Loaned SecuritiesLoaned	1929737000	USD
CY2020Q3	us-gaap	Securities Loaned Collateral Right To Reclaim Cash SecuritiesLoanedCollateralRightToReclaimCash	429615000	USD
CY2020Q3	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	1467230000	USD
CY2020Q3	us-gaap	Securities Loaned Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	32892000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	19837038000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	12578066000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	7258972000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	144353000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	6622623000	USD
CY2020Q3	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	491996000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2020Q3	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	4413000	USD
CY2019Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	7624642000	USD
CY2019Q4	us-gaap	Securities Borrowed Liability SecuritiesBorrowedLiability	0	USD
CY2019Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	7624642000	USD
CY2019Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Cash SecuritiesBorrowedCollateralObligationToReturnCash	361394000	USD
CY2019Q4	us-gaap	Securities Borrowed Collateral Obligation To Return Securities SecuritiesBorrowedCollateralObligationToReturnSecurities	1479433000	USD
CY2019Q4	us-gaap	Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	5783815000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	15551845000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	11252247000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	4299598000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	291316000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Securities SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnSecurities	3929977000	USD
CY2019Q4	us-gaap	Securities Purchased Under Agreements To Resell Amount Offset Against Collateral SecuritiesPurchasedUnderAgreementsToResellAmountOffsetAgainstCollateral	78305000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Securities Received As Collateral SecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Securities Loaned Gross SecuritiesLoanedGross	1525140000	USD
CY2019Q4	us-gaap	Securities Loaned Asset SecuritiesLoanedAsset	0	USD
CY2019Q4	us-gaap	Securities Loaned SecuritiesLoaned	1525140000	USD
CY2019Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Cash SecuritiesLoanedCollateralRightToReclaimCash	361394000	USD
CY2019Q4	us-gaap	Securities Loaned Collateral Right To Reclaim Securities SecuritiesLoanedCollateralRightToReclaimSecurities	970799000	USD
CY2019Q4	us-gaap	Securities Loaned Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	192947000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Gross SecuritiesSoldUnderAgreementsToRepurchaseGross	18756917000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Asset SecuritiesSoldUnderAgreementsToRepurchaseAsset	11252247000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	7504670000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Cash SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimCash	291316000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Collateral Right To Reclaim Securities SecuritiesSoldUnderAgreementsToRepurchaseCollateralRightToReclaimSecurities	6663807000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase Amount Offset Against Collateral SecuritiesSoldUnderAgreementsToRepurchaseAmountOffsetAgainstCollateral	549547000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2019Q4	us-gaap	Obligation To Return Securities Received As Collateral ObligationToReturnSecuritiesReceivedAsCollateral	9500000	USD
CY2020Q3	jef	Securities Borrowed Asset Net Subject To Review SecuritiesBorrowedAssetNetSubjectToReview	5089000000.0	USD
CY2020Q3	jef	Securities Borrowed Asset Collateral Received Subject To Review SecuritiesBorrowedAssetCollateralReceivedSubjectToReview	4921200000	USD
CY2020Q3	jef	Securities Sold Under Agreements To Repurchase Net Amount Subject To Review SecuritiesSoldUnderAgreementsToRepurchaseNetAmountSubjectToReview	439700000	USD
CY2020Q3	jef	Securities Sold Under Agreements To Repurchase Collateral Pledged Subject To Review SecuritiesSoldUnderAgreementsToRepurchaseCollateralPledgedSubjectToReview	451600000	USD
CY2019Q4	jef	Securities Borrowed Asset Net Subject To Review SecuritiesBorrowedAssetNetSubjectToReview	5683400000	USD
CY2019Q4	jef	Securities Borrowed Asset Collateral Received Subject To Review SecuritiesBorrowedAssetCollateralReceivedSubjectToReview	5523600000	USD
CY2019Q4	jef	Securities Sold Under Agreements To Repurchase Net Amount Subject To Review SecuritiesSoldUnderAgreementsToRepurchaseNetAmountSubjectToReview	439700000	USD
CY2019Q4	jef	Securities Sold Under Agreements To Repurchase Collateral Pledged Subject To Review SecuritiesSoldUnderAgreementsToRepurchaseCollateralPledgedSubjectToReview	447500000	USD
CY2020Q3	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	986100000	USD
CY2019Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	796800000	USD
CY2020Q3	jef	Assets Transferred Due To Securitization AssetsTransferredDueToSecuritization	983900000	USD
CY2019Q3	jef	Assets Transferred Due To Securitization AssetsTransferredDueToSecuritization	789300000	USD
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CY2019Q3	jef	Proceeds On New Securitizations ProceedsOnNewSecuritizations	789300000	USD
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CY2020Q3	us-gaap	Cash Flows Between Transferee And Transferor Proceeds From New Transfers CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers	6300000	USD
CY2019Q3	us-gaap	Cash Flows Between Transferee And Transferor Proceeds From New Transfers CashFlowsBetweenTransfereeAndTransferorProceedsFromNewTransfers	16800000	USD
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CY2020Q3	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	1988400000	USD
CY2020Q3	jef	Variable Interest Entity Assetsof Non Consolidated Vie VariableInterestEntityAssetsofNonConsolidatedVie	25071000000.0	USD
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CY2019Q4	jef	Variable Interest Entity Assetsof Non Consolidated Vie VariableInterestEntityAssetsofNonConsolidatedVie	19526200000	USD
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CY2020Q3	us-gaap	Equity Method Investments EquityMethodInvestments	1539356000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2417332000	USD
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CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5053000	USD
CY2019Q4	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0324
CY2019Q3	us-gaap	Equity Method Investments EquityMethodInvestments	2346297000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	72283000	USD
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CY2020Q3	jef	Equity Method Investments Income Losses Relatedto Subsidiary Associated Companies Primarily Classifiedas Revenues EquityMethodInvestmentsIncomeLossesRelatedtoSubsidiaryAssociatedCompaniesPrimarilyClassifiedasRevenues	3854000	USD
CY2019Q3	jef	Equity Method Investments Income Losses Relatedto Subsidiary Associated Companies Primarily Classifiedas Revenues EquityMethodInvestmentsIncomeLossesRelatedtoSubsidiaryAssociatedCompaniesPrimarilyClassifiedasRevenues	17293000	USD
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CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	171117000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	182954000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	1743425000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	1739980000	USD
CY2020Q3	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	1914542000	USD
CY2019Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	1922934000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3700000	USD
CY2019Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4000000.0	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	548490000	USD
CY2020Q3	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0183
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CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	3673000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	14457000	USD
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CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	9945000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9189000	USD
CY2020Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	805381000	USD
CY2020Q3	us-gaap	Long Term Debt LongTermDebt	8419837000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	598116000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	704948000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	106832000	USD
CY2020Q3	us-gaap	Finance Lease Liability FinanceLeaseLiability	247000	USD
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CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y9M18D
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.029
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	22271000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	76932000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	74722000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	65220000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	61994000	USD
CY2020Q3	jef	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	403809000	USD
CY2020Q3	jef	Operating Lease And Finance Lease Liability OperatingLeaseAndFinanceLeaseLiability	598363000	USD
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CY2020Q3	us-gaap	Variable Lease Cost VariableLeaseCost	3485000	USD
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CY2020Q3	us-gaap	Sublease Income SubleaseIncome	1973000	USD
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CY2020Q3	us-gaap	Lease Cost LeaseCost	20937000	USD
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CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	73374000	USD
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	71464000	USD
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	62552000	USD
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	59714000	USD
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	393995000	USD
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	731985000	USD
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	21883000	USD
CY2019Q4	jef	Future Minimum Annual Rentals Net Of Sublease Income FutureMinimumAnnualRentalsNetOfSubleaseIncome	710102000	USD
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	65600000	USD
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CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	60200000	USD
CY2020Q3	us-gaap	Redeemable Noncontrolling Interest Equity Other Carrying Amount RedeemableNoncontrollingInterestEquityOtherCarryingAmount	24300000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Other Carrying Amount RedeemableNoncontrollingInterestEquityOtherCarryingAmount	26600000	USD
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CY2020Q3	us-gaap	Share Based Compensation ShareBasedCompensation	8900000	USD
CY2019Q3	us-gaap	Share Based Compensation ShareBasedCompensation	12200000	USD
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CY2020Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2300000	USD
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CY2020Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	52400000	USD
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CY2020Q3	jef	Potential Maximum Increase To Common Shares Outstanding From Restricted Stock And Other Shares PotentialMaximumIncreaseToCommonSharesOutstandingFromRestrictedStockAndOtherShares	23737000	shares
CY2020Q3	jef	Restricted Cash Awards Compensation Cost Not Yet Recognized RestrictedCashAwardsCompensationCostNotYetRecognized	606200000	USD
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CY2019Q2	jef	Lodged Tax Effect LodgedTaxEffect	544600000	USD
CY2019Q2	jef	Recognition Of Accumulated Other Comprehensive Income Lodged Taxes RecognitionOfAccumulatedOtherComprehensiveIncomeLodgedTaxes	544600000	USD
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CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	974741000	USD
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CY2020Q3	jef	Revenue Other Sources RevenueOtherSources	850758000	USD
CY2019Q3	jef	Revenue Other Sources RevenueOtherSources	488729000	USD
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	us-gaap	Revenues Revenues	4895294000	USD
	us-gaap	Revenues Revenues	3928539000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	974741000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	974741000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	734427000	USD
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	734427000	USD
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CY2020Q3	jef	Contract With Customer Revenue Relatedto Performance Obligations Satisfiedin Previous Periods ContractWithCustomerRevenueRelatedtoPerformanceObligationsSatisfiedinPreviousPeriods	15600000	USD
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CY2020Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	321400000	USD
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CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	18200000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12800000	USD
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CY2020Q3	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	2800000	USD
CY2019Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	4800000	USD
CY2020Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	800000	USD
CY2019Q3	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	1600000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	3600000	USD
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	3800000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	374100000	USD
CY2020Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1945000	USD
CY2020Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	81400000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	327300000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	67200000	USD
CY2020Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	312600000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	462500000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	185100000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.287
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-522600000	USD
	jef	Recognition Of Accumulated Other Comprehensive Income Lodged Taxes RecognitionOfAccumulatedOtherComprehensiveIncomeLodgedTaxes	544600000	USD
CY2019Q2	jef	Lodged Tax Effect LodgedTaxEffect	544600000	USD
CY2019Q2	jef	Recognition Of Accumulated Other Comprehensive Income Lodged Taxes RecognitionOfAccumulatedOtherComprehensiveIncomeLodgedTaxes	544600000	USD
CY2019Q2	jef	Recognition Of Accumulated Other Comprehensive Income Lodged Taxes RecognitionOfAccumulatedOtherComprehensiveIncomeLodgedTaxes	544600000	USD
CY2020Q3	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	304409000	USD
CY2019Q3	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	48477000	USD
	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	462338000	USD
	jef	Net Income Loss Available To Common Stockholders NetIncomeLossAvailableToCommonStockholders	764052000	USD
CY2019Q3	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	316000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	2921000	USD
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	4667000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	302464000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	48161000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	459417000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	759385000	USD
CY2020Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	17000	USD
CY2019Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-7000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	5000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	29000	USD
CY2020Q3	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	1404000	USD
CY2019Q3	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	0	USD
	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	4230000	USD
	us-gaap	Convertible Preferred Dividends Net Of Tax ConvertiblePreferredDividendsNetOfTax	3827000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	303885000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	48154000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	463652000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	763241000	USD
CY2020Q3	jef	Weighted Average Common Shares Outstanding WeightedAverageCommonSharesOutstanding	263062000	shares
CY2019Q3	jef	Weighted Average Common Shares Outstanding WeightedAverageCommonSharesOutstanding	296834000	shares
	jef	Weighted Average Common Shares Outstanding WeightedAverageCommonSharesOutstanding	273035000	shares
	jef	Weighted Average Common Shares Outstanding WeightedAverageCommonSharesOutstanding	298322000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	280695000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	310288000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	289959000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	310838000	shares
CY2020Q3	jef	Incremental Common Shares Attributable To Redeemable Convertible Preferred Shares IncrementalCommonSharesAttributableToRedeemableConvertiblePreferredShares	4441000	shares
CY2019Q3	jef	Incremental Common Shares Attributable To Redeemable Convertible Preferred Shares IncrementalCommonSharesAttributableToRedeemableConvertiblePreferredShares	0	shares
	jef	Incremental Common Shares Attributable To Redeemable Convertible Preferred Shares IncrementalCommonSharesAttributableToRedeemableConvertiblePreferredShares	4441000	shares
	jef	Incremental Common Shares Attributable To Redeemable Convertible Preferred Shares IncrementalCommonSharesAttributableToRedeemableConvertiblePreferredShares	4162000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	285136000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	311897000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	294875000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	317181000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	1807800	shares
CY2019Q3	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	2018000	shares
	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	1851900	shares
	us-gaap	Incremental Common Shares Attributable To Participating Nonvested Shares With Non Forfeitable Dividend Rights IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	1910700	shares
CY2019Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	500000000.0	USD
CY2020Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000.0	USD
CY2019Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	9250000	shares
CY2020Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000	USD
CY2020Q2	jef	Stock Repurchase Program Additional Authorized Amount StockRepurchaseProgramAdditionalAuthorizedAmount	176700000	USD
CY2020Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	250000000.0	USD
	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	32659910	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	619900000	USD
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	18.98
CY2020Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	122000000.0	USD
CY2020Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	122000000.0	USD
CY2020Q3	us-gaap	Contractual Obligation Future Minimum Payments Due Remainder Of Fiscal Year ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear	10178600000	USD
CY2020Q3	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	694300000	USD
CY2020Q3	us-gaap	Contractual Obligation Due In Second And Third Year ContractualObligationDueInSecondAndThirdYear	113300000	USD
CY2020Q3	us-gaap	Contractual Obligation Due In Fourth And Fifth Year ContractualObligationDueInFourthAndFifthYear	16200000	USD
CY2020Q3	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	12200000	USD
CY2020Q3	us-gaap	Contractual Obligation ContractualObligation	11014600000	USD
CY2020Q3	jef	Outstanding Loan Commitmentsto Clients OutstandingLoanCommitmentstoClients	80000000.0	USD
CY2020Q3	jef	Derivative Contracts Meeting Definitionof A Guarantee DerivativeContractsMeetingDefinitionofAGuarantee	197900000	USD
CY2020Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	1616170000	USD
CY2019Q3	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	856778000	USD
	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	4150087000	USD
	us-gaap	Revenues Net Of Interest Expense RevenuesNetOfInterestExpense	2786878000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	412242000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13263000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	645543000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	246059000	USD
CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39520000	USD
CY2019Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	39880000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	119356000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	110600000	USD
CY2020Q3	us-gaap	Assets Assets	51773988000	USD
CY2019Q4	us-gaap	Assets Assets	49460234000	USD

Files In Submission

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$JEF
Jefferies Financial Group Inc. Stock $jef

2020 Q3 Form 10-Q Financial Statement

#000009622320000050 Filed on October 09, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JEF Jefferies Financial Group Inc. Stock $jef

2020 Q3 Form 10-Q Financial Statement

#000009622320000050 Filed on October 09, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$JEF
Jefferies Financial Group Inc. Stock $jef