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 |