Consolidated Statements of Earnings - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Revenues
Revenues	$ 10,515,069	$ 7,441,399	$ 7,149,263
Interest expense	3,480,266	2,740,982	1,170,425
Net revenues	7,034,803	4,700,417	5,978,838
Non-interest expenses
Compensation and benefits	3,659,588	2,535,272	2,589,044
Brokerage and clearing fees	432,721	366,702	347,805
Underwriting costs	68,492	61,082	42,067
Technology and communications	546,655	477,028	444,011
Occupancy and equipment rental	118,611	106,051	108,001
Business development	283,459	177,541	150,500
Professional services	296,204	266,447	240,978
Depreciation and amortization	190,326	112,201	172,902
Cost of sales	206,283	29,435	440,837
Other expenses	226,918	214,389	387,131
Total non-interest expenses	6,029,257	4,346,148	4,923,276
Earnings from continuing operations before income taxes	1,005,546	354,269	1,055,562
Income tax expense	293,194	91,881	273,852
Net earnings from continuing operations	712,352	262,388	781,710
Net earnings from discontinued operations (including gain on disposal of $3,493, $—, $—), net of income tax benefit of $17,063, $—, and $—	3,667	0	0
Net earnings	716,019	262,388	781,710
Net losses attributable to noncontrolling interests	(27,364)	(14,846)	(2,397)
Net losses attributable to redeemable noncontrolling interests	0	(454)	(1,342)
Preferred stock dividends	74,110	14,616	8,281
Net earnings attributable to common shareholders	$ 669,273	$ 263,072	$ 777,168
Earnings per common share
Basic from continuing operations (in USD per share)	$ 3.05	$ 1.12	$ 3.13
Diluted from continuing operations (in USD per share)	2.96	1.10	3.06
Basic (in USD per share)	3.08	1.12	3.13
Diluted (in USD per share)	$ 2.99	$ 1.10	$ 3.06
Weighted-average common shares outstanding
Basic (in shares)	217,079	232,609	247,378
Diluted (in shares)	223,650	236,620	255,571
Investment banking
Revenues
Revenues	$ 3,309,060	$ 2,169,366	$ 2,807,822
Principal transactions
Revenues
Revenues	1,816,963	1,413,283	833,757
Commissions and other fees
Revenues
Revenues	1,085,349	905,665	925,494
Asset management fees and revenues
Revenues
Revenues	86,106	82,574	80,264
Interest
Revenues
Revenues	3,543,497	2,868,674	1,183,638
Other
Revenues
Revenues	$ 674,094	$ 1,837	$ 1,318,288