Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Aug. 31, 2016	Nov. 30, 2015
Cash and cash equivalents	$ 3,159,143	$ 3,510,163
Pledged financial instruments	10,458,629	12,207,123
Financial instruments, owned, at fair value	14,327,919	16,559,116
Fees, interest and other	293,072	260,924
Other secured financings at fair value	53,586	68,345
Other secured financings	606,307	762,909
Accrued expenses and other liabilities	1,030,425	1,049,019
Long-term debt at fair value	204,422	0
Variable Interest Entities [Member]
Cash and cash equivalents	10,442	2,015
Financial instruments, owned, at fair value	91,146	68,951
Fees, interest and other	549	329
Other secured financings	606,307	762,909
Accrued expenses and other liabilities	$ 764	$ 893