CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Cash flows from operating activities:
Net earnings	$ 341,143	$ 493,865
Adjustments to reconcile net earnings to net cash used in operating activities:
Depreciation and amortization	24,381	20,159
Bad debt expense	8,615	(703)
Income on loans to and investments in related parties	(58,018)	(57,541)
Distributions received on investments in related parties	1,031	0
Other adjustments	(148,702)	(100,094)
Net change in assets and liabilities:
Securities deposited with clearing and depository organizations	0	(84,307)
Receivables:
Brokers, dealers and clearing organizations	(199,295)	(584,477)
Customers	(280,577)	(576,506)
Fees, interest and other	59,027	(86,611)
Securities borrowed	(701,961)	(211,177)
Financial instruments owned	(1,737,918)	(869,326)
Securities purchased under agreements to resell	1,084,266	(1,576,329)
Other assets	(247,880)	(48,342)
Payables:
Brokers, dealers and clearing organizations	(1,180,945)	767,964
Customers	(439,990)	(160,488)
Securities loaned	283,598	704,075
Financial instruments sold, not yet purchased	2,993,575	2,330,574
Securities sold under agreements to repurchase	488,456	(1,114,857)
Lease liabilities	(20,655)	(11,297)
Accrued expenses and other liabilities	(1,544,708)	(382,976)
Net cash used in operating activities	(1,276,557)	(1,548,394)
Cash flows from investing activities:
Contributions to loans to and investments in related parties	(280,799)	(912,340)
Capital distributions from investments and repayments of loans from related parties	266,523	952,882
Originations and purchases of automobile loans	(134,852)	0
Principal collections of automobile loans	99,306	0
Net payments on premises and equipment	(16,393)	(16,897)
Transfer of net assets from Jefferies Financial Group Inc.	0	(2,173)
Net cash provided by (used in) investing activities	(66,215)	21,472
Cash flows from financing activities:
Proceeds from short-term borrowings	727,000	319,000
Payments on short-term borrowings	(527,000)	(196,090)
Proceeds from issuance of long-term debt, net of issuance costs	186,521	58,983
Repayment of long-term debt	(210,645)	(10,089)
Contributions from Jefferies Financial Group Inc.	60,332	153,557
Distributions to Jefferies Financial Group Inc.	(193,048)	(307,114)
Net proceeds from (payments on) other secured financings	(933,992)	1,033,008
Net change in bank overdrafts	45,990	(4,706)
Proceeds from contributions of noncontrolling interests	1,176	0
Payments on distributions to noncontrolling interests	0	(1,473)
Net cash provided by (used in) financing activities	(843,666)	1,045,076
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(467)	3,886
Net decrease in cash, cash equivalents and restricted cash	(2,186,905)	(477,960)
Cash, cash equivalents and restricted cash at beginning of period	9,828,671	7,682,013
Cash, cash equivalents and restricted cash at end of period	7,641,766	7,204,053
Cash paid during the period for
Interest	320,399	236,116
Income taxes, net	$ 5,239	$ 29,953