Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	May 31, 2016	Nov. 30, 2015
Cash and cash equivalents	$ 2,838,829	$ 3,510,163
Pledged financial instruments	11,674,370	12,207,123
Financial instruments owned, at fair value	15,119,426	16,559,116
Fees, interest and other	349,722	260,924
Other assets	1,433,768	1,072,411
Other secured financings at fair value	46,773	68,345
Other secured financings	640,103	762,909
Accrued expenses and other liabilities	1,066,839	1,049,019
Long-term debt at fair value	92,993	0
Long-term debt	5,406,624	5,640,722
Variable Interest Entities [Member]
Cash and cash equivalents	4,303	2,015
Financial instruments owned, at fair value	79,656	68,951
Fees, interest and other	471	329
Other assets	27,088	0
Other secured financings	504,340	762,909
Accrued expenses and other liabilities	2,764	893
Long-term debt	$ 21,619	$ 0