CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018
Cash flows from operating activities:
Net earnings	$ 874,706	$ 244,385	$ 159,017
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	51,346	40,942	15,250
Goodwill impairment	3,000	0	0
Deferred income taxes	(17,741)	22,032	126,265
Income on loans to and investments in related parties	(14,329)	(85,169)	(73,662)
Distributions received on investments in related parties	35,949	144,320	62,949
Other adjustments	245,005	61,915	(127,698)
Net change in assets and liabilities:
Securities deposited with clearing and depository organizations	751	(169)	64,911
Receivables:
Brokers, dealers and clearing organizations	(1,146,197)	211,065	(406,509)
Customers	203,952	526,238	(453,360)
Fees, interest and other	(73,161)	3,340	51,122
Securities borrowed	714,664	(1,103,708)	1,137,134
Financial instruments owned	(1,253,249)	35,908	(1,194,791)
Securities purchased under agreements to resell	(752,171)	(1,523,222)	807,619
Other assets	148,369	(41,844)	31,699
Payables:
Brokers, dealers and clearing organizations	764,213	111,757	252,698
Customers	442,913	631,854	512,760
Securities loaned	270,261	(301,727)	(964,137)
Financial instruments sold, not yet purchased	(604,669)	1,051,600	311,998
Securities sold under agreements to repurchase	799,794	(1,122,982)	36,956
Lease liabilities	(46,482)
Accrued expenses and other liabilities	1,150,134	(126,684)	(224,157)
Net cash provided by (used in) operating activities	1,797,058	(1,220,149)	126,064
Cash flows from investing activities:
Contributions to loans to and investments in related parties	(1,569,671)	(32,669)	(1,929,603)
Capital distributions from investments and repayments of loans from related parties	1,491,081	24,629	1,876,164
Net payments on premises and equipment	(101,311)	(116,330)	(71,445)
Purchase of Leucadia Investment Management Limited, net of cash paid	0	0	3,125
Consolidation of asset management entity	0	0	130
Net cash used in investing activities	(179,901)	(124,370)	(121,629)
Cash flows from financing activities:
Proceeds from short-term borrowings	1,619,820	1,732,232	1,083,416
Payments on short-term borrowings	(1,368,255)	(1,597,773)	(1,137,599)
Proceeds from issuance of long-term debt, net of issuance costs	1,169,722	1,239,891	1,367,243
Repayment of long-term debt	(1,494,696)	(823,875)	(1,035,700)
Distributions to Jefferies Financial Group Inc.	(498,674)	(311,131)	(248,684)
Net proceeds from other secured financings	305,873	1,586,347	159,364
Net change in bank overdrafts	(34,663)	26,568	10,290
Proceeds from contributions of noncontrolling interests	19,405	6,600	10
Payments on distributions to noncontrolling interests	(1,694)	(2,592)	(7,408)
Net cash provided by (used in) financing activities	(283,162)	1,856,267	190,932
Effect of exchange rate changes on cash, cash equivalents and restricted cash	18,306	(1,063)	(19,116)
Net increase in cash, cash equivalents and restricted cash	1,352,301	510,685	176,251
Cash, cash equivalents and restricted cash at beginning of period	6,329,712	5,819,027	5,642,776
Cash, cash equivalents and restricted cash at end of period	7,682,013	6,329,712	5,819,027
Cash paid during the period for:
Interest	999,576	1,480,559	1,287,162
Income taxes, net	$ 115,053	$ 84,119	$ 196,553