Organization and Basis of Presentation (Tables)

9 Months Ended

Aug. 31, 2011

Organization and Basis of Presentation [Abstract]

Decrease in net earnings to common shareholders

	Three Months			Eight Months
	Ended			Ended
	August 31, 2010			August 31, 2010
Previously reported Net earnings to common shareholders	$	46,256		$	164,795
Netting of interest revenues and expense		—			—
Differences with clearing bank		(1,738	)		(3,453	)
Other items (1)		236			(390	)
Total adjustments		(1,502	)		(3,843	)
Adjusted Net earnings to common shareholders	$	44,754		$	160,952

(1) Other items — Includes the effect of certain other immaterial adjustments.

Effects of the adjustments on Consolidated Statement of Earnings

	Three Months Ended				Eight Months Ended
	August 31, 2010				August 31, 2010
	As Previously				As Previously
	Reported		Adjusted		Reported		Adjusted
Principal transactions	$	74,282	$	71,044	$	324,037	$	317,686
Interest		152,546		239,557		430,902		625,725
Total revenues		609,257		693,030		1,756,961		1,945,432
Interest expense		89,159		175,761		237,493		432,995
Net revenues		520,098		517,269		1,519,468		1,512,437
Net revenues, less mandatorily redeemable perferred interest		522,635		519,806		1,519,494		1,512,463
Floor brokerage and clearing fees		30,244		30,111		84,702		84,199
Total non-interest expenses		443,441		443,308		1,239,874		1,239,369
Earnings before income taxes		79,194		76,498		279,620		273,094
Income tax expense		35,067		33,873		112,960		110,277
Net earnings		44,127		42,625		166,660		162,817
Net earnings to common shareholders		46,256		44,754		164,795		160,952
Earnings per common share:
Basic	$	0.23	$	0.22	$	0.81	$	0.79
Diluted	$	0.23	$	0.22	$	0.81	$	0.79