Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2016 |
Aug. 31, 2015 |
Aug. 31, 2016 |
Aug. 31, 2015 |
|
| Tax expense (benefit) on unrealized loss on hedging activities | $ 5.3 | $ (0.7) | $ 4.2 | $ (2.6) |