Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) - USD ($) $ in Thousands	May 31, 2017	Nov. 30, 2016
Cash and cash equivalents	$ 4,356,793	$ 3,529,069
Pledged financial instruments	10,705,731	9,706,881
Financial instruments, owned, at fair value	13,881,283	13,809,512
Fees, interest and other	399,378	310,894
Other assets	1,342,506	1,229,551
Other secured financings at fair value	0	41,768
Other secured financings	385,950	755,576
Accrued expenses and other liabilities	1,383,164	1,248,200
Long-term debt at fair value	392,807	248,856
Variable Interest Entities [Member]
Cash and cash equivalents	6,265	16,805
Financial instruments, owned, at fair value	36,740	87,153
Fees, interest and other	217	1,547
Other assets	2	0
Other secured financings	365,200	755,544
Accrued expenses and other liabilities	$ 906	$ 735