Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions |
3 Months Ended |
9 Months Ended |
Apr. 30, 2019 |
Jan. 31, 2019 |
Oct. 31, 2018 |
Apr. 30, 2018 |
Jan. 31, 2018 |
Oct. 31, 2017 |
Apr. 30, 2019 |
Apr. 30, 2018 |
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Beginning Balance |
$ 872.6
|
$ 854.4
|
$ 857.8
|
$ 826.9
|
$ 881.0
|
$ 854.5
|
$ 857.8
|
$ 854.5
|
| Other comprehensive (loss) income before reclassifications and tax |
(12.0)
|
|
|
(23.4)
|
|
|
(11.4)
|
29.0
|
| Tax benefit (expense) |
0.0
|
|
|
0.0
|
|
|
(0.3)
|
(0.7)
|
| Other comprehensive (loss) income before reclassifications, net of tax |
(12.0)
|
|
|
(23.4)
|
|
|
(11.7)
|
28.3
|
| Reclassifications, before tax |
1.5
|
|
|
4.1
|
|
|
3.8
|
6.6
|
| Tax (expense) benefit |
(0.4)
|
|
|
(1.2)
|
|
|
(0.9)
|
(2.3)
|
| Reclassifications, net of tax |
1.1
|
|
|
2.9
|
|
|
2.9
|
4.3
|
| Other comprehensive (loss) income, net of tax |
(10.9)
|
24.2
|
(22.1)
|
(20.5)
|
55.1
|
(2.0)
|
(8.8)
|
32.6
|
| Ending Balance |
944.9
|
872.6
|
854.4
|
836.4
|
826.9
|
881.0
|
944.9
|
836.4
|
| Total |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Beginning Balance |
(147.7)
|
(171.9)
|
(149.8)
|
(103.9)
|
(159.0)
|
(157.0)
|
(149.8)
|
(157.0)
|
| Other comprehensive (loss) income, net of tax |
(10.9)
|
24.2
|
(22.1)
|
(20.5)
|
55.1
|
(2.0)
|
|
|
| Ending Balance |
(158.6)
|
(147.7)
|
(171.9)
|
(124.4)
|
(103.9)
|
(159.0)
|
(158.6)
|
(124.4)
|
| Foreign Currency Translation Adjustment |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Beginning Balance |
(66.6)
|
|
(66.1)
|
(8.4)
|
|
(58.8)
|
(66.1)
|
(58.8)
|
| Other comprehensive (loss) income before reclassifications and tax |
(11.9)
|
|
|
(23.2)
|
|
|
(12.4)
|
27.2
|
| Tax benefit (expense) |
0.0
|
|
|
0.0
|
|
|
0.0
|
0.0
|
| Other comprehensive (loss) income before reclassifications, net of tax |
(11.9)
|
|
|
(23.2)
|
|
|
(12.4)
|
27.2
|
| Reclassifications, before tax |
0.0
|
|
|
0.0
|
|
|
0.0
|
0.0
|
| Tax (expense) benefit |
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 |
(11.9)
|
|
|
(23.2)
|
|
|
(12.4)
|
27.2
|
| Ending Balance |
(78.5)
|
(66.6)
|
|
(31.6)
|
(8.4)
|
|
(78.5)
|
(31.6)
|
| Pension Benefits |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Beginning Balance |
(80.8)
|
|
(82.9)
|
(94.1)
|
|
(95.1)
|
(82.9)
|
(95.1)
|
| Other comprehensive (loss) income before reclassifications and tax |
0.0
|
|
|
0.0
|
|
|
0.0
|
0.0
|
| Tax benefit (expense) |
0.0
|
|
|
0.0
|
|
|
0.0
|
0.0
|
| Other comprehensive (loss) income before reclassifications, net of tax |
0.0
|
|
|
0.0
|
|
|
0.0
|
0.0
|
| Reclassifications, before tax |
1.7
|
|
|
2.2
|
|
|
4.4
|
4.1
|
| Tax (expense) benefit |
(0.5)
|
|
|
(0.6)
|
|
|
(1.1)
|
(1.5)
|
| Reclassifications, net of tax |
1.2
|
|
|
1.6
|
|
|
3.3
|
2.6
|
| Other comprehensive (loss) income, net of tax |
1.2
|
|
|
1.6
|
|
|
3.3
|
2.6
|
| Ending Balance |
(79.6)
|
(80.8)
|
|
(92.5)
|
(94.1)
|
|
(79.6)
|
(92.5)
|
| Derivative Financial Instruments |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Beginning Balance |
(0.3)
|
|
$ (0.8)
|
|
|
|
(0.8)
|
|
| Other comprehensive (loss) income before reclassifications and tax |
(0.1)
|
|
|
|
|
|
1.0
|
|
| Tax benefit (expense) |
0.0
|
|
|
|
|
|
(0.3)
|
|
| Other comprehensive (loss) income before reclassifications, net of tax |
(0.1)
|
|
|
|
|
|
0.7
|
|
| Reclassifications, before tax |
(0.2)
|
|
|
|
|
|
(0.6)
|
|
| Tax (expense) benefit |
0.1
|
|
|
|
|
|
0.2
|
|
| Reclassifications, net of tax |
(0.1)
|
|
|
|
|
|
(0.4)
|
|
| Other comprehensive (loss) income, net of tax |
(0.2)
|
|
|
|
|
|
0.3
|
|
| Ending Balance |
$ (0.5)
|
$ (0.3)
|
|
|
|
|
$ (0.5)
|
|
| Derivative Financial Instruments |
|
|
|
|
|
|
|
|
| Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |
|
|
|
|
|
|
|
|
| Beginning Balance |
|
|
|
(1.4)
|
|
$ (3.1)
|
|
(3.1)
|
| Other comprehensive (loss) income before reclassifications and tax |
|
|
|
(0.2)
|
|
|
|
1.8
|
| Tax benefit (expense) |
|
|
|
0.0
|
|
|
|
(0.7)
|
| Other comprehensive (loss) income before reclassifications, net of tax |
|
|
|
(0.2)
|
|
|
|
1.1
|
| Reclassifications, before tax |
|
|
|
1.9
|
|
|
|
2.5
|
| Tax (expense) benefit |
|
|
|
(0.6)
|
|
|
|
(0.8)
|
| Reclassifications, net of tax |
|
|
|
1.3
|
|
|
|
1.7
|
| Other comprehensive (loss) income, net of tax |
|
|
|
1.1
|
|
|
|
2.8
|
| Ending Balance |
|
|
|
$ (0.3)
|
$ (1.4)
|
|
|
$ (0.3)
|