CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Cash flows from operating activities:
Net earnings	$ 244,385	$ 159,017	$ 357,584
Adjustments to reconcile net earnings to net cash provided by (used in) operating activities:
Depreciation and amortization	40,942	15,250	1,977
Deferred income taxes	22,032	126,265	(43,246)
Income on loans to and investments in related parties	(85,169)	(73,662)	(109,395)
Distributions received on investments in related parties	144,320	62,949	21,038
Other adjustments	61,915	(127,698)	44,043
Net change in assets and liabilities:
Securities deposited with clearing and depository organizations	(169)	64,911	163
Receivables:
Brokers, dealers and clearing organizations	211,065	(406,509)	(487,385)
Customers	526,238	(453,360)	(720,710)
Fees, interest and other	3,340	51,122	(68,177)
Securities borrowed	(1,103,708)	1,137,134	50,660
Financial instruments owned	35,908	(1,194,791)	(119,087)
Securities purchased under agreements to resell	(1,523,222)	807,619	234,740
Other assets	(41,844)	31,699	8,435
Payables:
Brokers, dealers and clearing organizations	111,757	252,698	(1,081,611)
Customers	631,854	512,760	366,721
Securities loaned	(301,727)	(964,137)	381
Financial instruments sold, not yet purchased	1,051,600	311,998	(279,282)
Securities sold under agreements to repurchase	(1,122,982)	36,956	1,838,793
Accrued expenses and other liabilities	(126,684)	(224,157)	524,304
Net cash provided by (used in) operating activities	(1,220,149)	126,064	539,946
Cash flows from investing activities:
Contributions to loans to and investments in related parties	(32,669)	(1,929,603)	(3,161,619)
Distributions from loans to and investments in related parties	24,629	1,876,164	3,068,961
Net payments on premises and equipment	(116,330)	(71,445)	(72,653)
Purchase of Leucadia Investment Management Limited, net of cash paid	0	3,125	0
Proceeds from sale of Jefferies LoanCore	0	0	173,105
Consolidation (deconsolidation) of asset management entity	0	130	0
Cash received from contingent consideration	0	0	1,342
Net cash provided by (used in) investing activities	(124,370)	(121,629)	9,136
Cash flows from financing activities:
Proceeds from short-term borrowings	1,732,232	1,083,416	274,230
Payments on short-term borrowings	(1,597,773)	(1,137,599)	(369,992)
Proceeds from issuance of long-term debt, net of issuance costs	1,239,891	1,367,243	1,116,798
Repayment of long-term debt	(823,875)	(1,035,700)	(186,444)
Distributions to Jefferies Financial Group Inc.	(311,131)	(248,684)	0
Net proceeds from (payments on) other secured financings	1,586,347	159,364	(33,468)
Net change in bank overdrafts	26,568	10,290	(5,650)
Proceeds from contributions of noncontrolling interests	6,600	10	0
Payments on distributions to noncontrolling interests	(2,592)	(7,408)	0
Net cash provided by financing activities	1,856,267	190,932	795,474
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(1,063)	(19,116)	11,707
Net increase in cash, cash equivalents and restricted cash	510,685	176,251	1,356,263
Cash, cash equivalents and restricted cash at beginning of period	5,819,027	5,642,776	4,286,513
Cash, cash equivalents and restricted cash at end of period	6,329,712	5,819,027	5,642,776
Cash paid during the period for:
Interest	1,480,559	1,287,162	1,025,576
Income taxes, net	$ 84,119	$ 196,553	$ 8,910