CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2022	Nov. 30, 2021		Nov. 30, 2020
Statement of Comprehensive Income [Abstract]
Net earnings		$ 781,710	$ 1,677,376	[1]	$ 768,410	[1]
Other comprehensive loss, net of tax:
Currency translation and other adjustments	[2]	(53,572)	(9,781)		35,991
Change in fair value of instrument specific credit risk	[3]	49,146	(82,521)		(52,262)
Minimum pension liability adjustments	[4]	3,311	9,320		21
Unrealized gain (loss) on available-for-sale securities		(6,161)	(244)		372
Total other comprehensive loss, net of tax	[5]	(7,276)	(83,226)		(15,878)
Comprehensive income		774,434	1,594,150		752,532
Net earnings (loss) attributable to noncontrolling interests		(2,397)	3,850		(5,271)
Net loss attributable to redeemable noncontrolling interests		(1,342)	(826)		(1,558)
Preferred stock dividends		8,281	6,949	[1]	5,634	[1]
Comprehensive income attributable to Jefferies Financial Group Inc. common shareholders		$ 769,892	$ 1,584,177		$ 753,727

[1] See Note 1 for a description of financial statement presentation changes made as a result of our Merger with Jefferies Group.

[2] The amounts include income tax benefits (expenses) of approximately $15.6 million, $0.6 million and $(11.4) million during the years ended November 30, 2022, 2021 and 2020, respectively.

[3] The amounts include income tax benefits (expenses) of approximately $(15.6) million, $26.7 million and $16.4 million for the years ended November 30, 2022, 2021 and 2020, respectively. The amounts for the years ended November 30, 2022, 2021 and 2020 include net gains (losses) of $0.1 million, $(1.9) million and $(0.4) million, respectively, net of tax benefits (expenses) of $41 thousand, $0.6 million and $0.1 million, respectively, for fair value changes related to instrument specific risk, which were reclassified to Principal transactions revenues within the Consolidated Statements of Earnings.

[4] The amounts include income tax benefits (expense) of $(1.2) million, $(3.1) million and $13 thousand for the years ended November 30, 2022, 2021 and 2020, respectively. The amounts during the years ended November 30, 2022, 2021 and 2020, include pension net losses of $2.5 million, $3.1 million and $2.9 million, respectively, net of tax benefits of $0.8 million, $1.1 million and $1.0 million, respectively, which were reclassified to Compensation and benefits expenses within the Consolidated Statements of Earnings.

[5] None of the components of other comprehensive income (loss) are attributable to noncontrolling interests, redeemable noncontrolling interest or preferred stock dividends.