Consolidated Statements of Earnings (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		5 Months Ended	6 Months Ended
	May 31, 2011	May 31, 2010	May 31, 2010	May 31, 2011
Revenues:
Commissions	$ 129,291	$ 146,001	$ 228,956	$ 249,212
Principal transactions	175,316	153,986	246,642	465,468
Investment banking	328,421	255,958	352,257	567,480
Asset management fees and investment income from managed funds	10,547	13,929	11,018	34,415
Interest	304,425	243,183	386,168	577,641
Other	22,117	18,983	27,363	42,578
Total revenues	970,117	832,040	1,252,404	1,936,794
Interest expense	242,952	164,504	257,234	451,246
Net revenues	727,165	667,536	995,170	1,485,548
Interest on mandatorily redeemable preferred interest of consolidated subsidiaries	4,415	2,018	2,513	20,854
Net revenues, less mandatorily redeemable preferred interest	722,750	665,518	992,657	1,464,694
Non-interest expenses:
Compensation and benefits	431,936	384,311	568,407	874,828
Floor brokerage and clearing fees	31,384	35,509	54,089	59,517
Technology and communications	49,850	41,932	68,054	93,525
Occupancy and equipment rental	20,437	19,056	31,016	38,416
Business development	22,457	15,216	24,985	42,395
Professional services	16,099	11,284	21,694	29,375
Other	20,103	14,530	27,818	33,223
Total non-interest expenses	592,266	521,838	796,063	1,171,279
Earnings before income taxes	130,484	143,680	196,594	293,415
Income tax expense	45,784	56,189	76,403	106,670
Net earnings	84,700	87,491	120,191	186,745
Net earnings to noncontrolling interests	4,084	3,665	3,994	18,788
Net earnings to common shareholders	$ 80,616	$ 83,826	$ 116,197	$ 167,957
Earnings per common share:
Basic	$ 0.36	$ 0.41	$ 0.57	$ 0.78
Diluted	$ 0.36	$ 0.41	$ 0.57	$ 0.78
Weighted average common shares:
Basic	210,751	196,944	197,759	205,054
Diluted	214,870	201,064	201,881	209,172