CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
May 31, 2022 |
May 31, 2021 |
May 31, 2022 |
May 31, 2021 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Currency translation adjustments and other, tax benefits (expenses) | $ (8.3) | $ 1.3 | $ (8.3) | $ 4.5 |
| Changes in instrument specific credit risk, tax benefits (expenses) | $ (11.5) | 7.1 | $ (24.7) | 29.4 |
| Changes in instrument specific credit risk reclassified to principal transactions revenues | 2.7 | 2.9 | ||
| Changes in instrument specific credit risk reclassified to principal transactions revenues, tax benefits (expenses) | $ 0.8 | $ 0.9 | ||