Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
Apr. 30, 2017 |
Apr. 30, 2016 |
Apr. 30, 2017 |
Apr. 30, 2016 |
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning Balance |
|
|
$ 771.4
|
|
| Ending Balance |
$ 802.0
|
|
802.0
|
|
| Foreign Currency Translation Adjustment |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning Balance |
(110.1)
|
$ (100.2)
|
(89.3)
|
$ (70.8)
|
| Other comprehensive (loss) income before reclassifications and tax |
10.7
|
31.2
|
(10.1)
|
1.8
|
| Tax benefit (expense) |
0.0
|
0.0
|
0.0
|
0.0
|
| Other comprehensive (loss) income before reclassifications, net of tax |
10.7
|
31.2
|
(10.1)
|
1.8
|
| Reclassifications, before tax |
0.0
|
0.0
|
0.0
|
0.0
|
| Tax benefit (expense) |
0.0
|
0.0
|
0.0
|
0.0
|
| Reclassifications, net of tax |
0.0
|
0.0
|
0.0
|
0.0
|
| Other comprehensive (loss) income, net of tax |
10.7
|
31.2
|
(10.1)
|
1.8
|
| Ending Balance |
(99.4)
|
(69.0)
|
(99.4)
|
(69.0)
|
| Pension Benefits |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning Balance |
(112.1)
|
(107.9)
|
(115.8)
|
(90.6)
|
| Other comprehensive (loss) income before reclassifications and tax |
0.0
|
10.5
|
0.0
|
(28.3)
|
| Tax benefit (expense) |
0.0
|
(3.0)
|
0.0
|
11.1
|
| Other comprehensive (loss) income before reclassifications, net of tax |
0.0
|
7.5
|
0.0
|
(17.2)
|
| Reclassifications, before tax |
1.0
|
1.3
|
6.5
|
12.1
|
| Tax benefit (expense) |
(0.5)
|
(0.6)
|
(2.3)
|
(4.0)
|
| Reclassifications, net of tax |
0.5
|
0.7
|
4.2
|
8.1
|
| Other comprehensive (loss) income, net of tax |
0.5
|
8.2
|
4.2
|
(9.1)
|
| Ending Balance |
(111.6)
|
(99.7)
|
(111.6)
|
(99.7)
|
| Derivative Financial Instruments |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning Balance |
0.2
|
(1.3)
|
(0.5)
|
(0.6)
|
| Other comprehensive (loss) income before reclassifications and tax |
0.6
|
0.0
|
2.5
|
(0.4)
|
| Tax benefit (expense) |
0.0
|
0.0
|
(0.6)
|
0.1
|
| Other comprehensive (loss) income before reclassifications, net of tax |
0.6
|
0.0
|
1.9
|
(0.3)
|
| Reclassifications, before tax |
(0.5)
|
(0.3)
|
(1.3)
|
(0.8)
|
| Tax benefit (expense) |
0.1
|
0.1
|
0.3
|
0.2
|
| Reclassifications, net of tax |
(0.4)
|
(0.2)
|
(1.0)
|
(0.6)
|
| Other comprehensive (loss) income, net of tax |
0.2
|
(0.2)
|
0.9
|
(0.9)
|
| Ending Balance |
0.4
|
(1.5)
|
0.4
|
(1.5)
|
| Total |
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
| Beginning Balance |
(222.0)
|
(209.4)
|
(205.6)
|
(162.0)
|
| Other comprehensive (loss) income before reclassifications and tax |
11.3
|
41.7
|
(7.6)
|
(26.9)
|
| Tax benefit (expense) |
0.0
|
(3.0)
|
(0.6)
|
11.2
|
| Other comprehensive (loss) income before reclassifications, net of tax |
11.3
|
38.7
|
(8.2)
|
(15.7)
|
| Reclassifications, before tax |
0.5
|
1.0
|
5.2
|
11.3
|
| Tax benefit (expense) |
(0.4)
|
(0.5)
|
(2.0)
|
(3.8)
|
| Reclassifications, net of tax |
0.1
|
0.5
|
3.2
|
7.5
|
| Other comprehensive (loss) income, net of tax |
11.4
|
39.2
|
(5.0)
|
(8.2)
|
| Ending Balance |
$ (210.6)
|
$ (170.2)
|
$ (210.6)
|
$ (170.2)
|