Condensed Consolidated Statements Of Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2016 |
Jan. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Gain (loss) on hedging derivatives, deferred taxes | $ (0.1) | $ (0.1) | $ 0.2 | $ (0.7) |
| Pension and postretirement liability adjustment, deferred taxes | $ 9.5 | $ (4.1) | $ 10.7 | $ (4.4) |