Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019
Revenues:
Revenues	$ 1,377,531	$ 1,510,371	$ 3,069,795	$ 2,705,383
Interest expense	21,160	23,138	42,714	46,156
Net revenues	1,147,589	1,101,657	2,533,917	1,930,100
Expenses:
Compensation and benefits	598,467	510,560	1,268,660	920,152
Cost of sales	80,771	80,415	153,214	147,336
Floor brokerage and clearing fees	75,479	60,387	134,660	112,255
Depreciation and amortization	40,366	36,786	79,836	70,720
Selling, general and other expenses	249,118	229,062	546,956	450,168
Total expenses	1,065,361	940,348	2,226,040	1,746,787
Income before income taxes and income (loss) related to associated companies	82,228	161,309	307,877	183,313
Income (loss) related to associated companies	(6,721)	22,170	(74,576)	49,483
Income before income taxes	75,507	183,479	233,301	232,796
Income tax provision (benefit)	31,962	(488,797)	77,735	(486,495)
Net income	43,545	672,276	155,566	719,291
Net (income) loss attributable to the noncontrolling interests	2,580	191	4,709	(875)
Net (income) loss attributable to the redeemable noncontrolling interests	198	(427)	480	(289)
Preferred stock dividends	(1,404)	(1,276)	(2,826)	(2,552)
Net income attributable to Jefferies Financial Group Inc. common shareholders	$ 44,919	$ 670,764	$ 157,929	$ 715,575
Basic earnings per common share attributable to Jefferies Financial Group Inc. common shareholders:
Net income (in dollars per share)	$ 0.16	$ 2.17	$ 0.53	$ 2.29
Diluted earnings per common share attributable to Jefferies Financial Group Inc. common shareholders:
Net income (in dollars per share)	$ 0.16	$ 2.14	$ 0.53	$ 2.25
Commissions and other fees
Revenues:
Revenues	$ 242,972	$ 167,610	$ 422,402	$ 322,560
Principal transactions
Revenues:
Revenues	393,338	240,189	798,202	486,371
Investment banking
Revenues:
Revenues	387,491	430,087	979,493	715,683
Interest income
Revenues:
Revenues	236,732	445,967	563,098	832,811
Manufacturing revenues
Revenues:
Revenues	85,379	90,237	162,986	165,662
Other
Revenues:
Revenues	31,619	136,281	143,614	182,296
Jefferies Group
Revenues:
Interest expense	$ 229,942	$ 408,714	$ 535,878	$ 775,283