Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	$ 1,543.0	$ 1,336.1	$ 1,489.1	$ 1,320.7
Other comprehensive (loss) income before reclassifications and tax	(31.0)	20.0	(27.5)	(17.4)
Tax (expense) benefit	(0.8)	0.1	(0.5)	0.0
Other comprehensive (loss) income before reclassifications, net of tax	(31.8)	20.1	(28.0)	(17.4)
Reclassifications, before tax	2.6	(1.3)	5.1	0.8
Tax (expense) benefit	(0.8)	0.3	(1.2)	(0.1)
Reclassifications, net of tax	1.8	(1.0)	3.9	0.7
Net other comprehensive (loss) income	(30.0)	19.1	(24.1)	(16.7)
Ending balance	1,544.4	1,375.8	1,544.4	1,375.8
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(193.0)	(208.3)	(198.9)	(172.5)
Net other comprehensive (loss) income	(30.0)	19.1	(24.1)	(16.7)
Ending balance	(223.0)	(189.2)	(223.0)	(189.2)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(128.9)	(147.2)	(133.8)	(109.6)
Other comprehensive (loss) income before reclassifications and tax	(33.9)	20.9	(29.0)	(16.7)
Tax (expense) benefit	0.0	0.0	0.0	0.0
Other comprehensive (loss) income before reclassifications, net of tax	(33.9)	20.9	(29.0)	(16.7)
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
Net other comprehensive (loss) income	(33.9)	20.9	(29.0)	(16.7)
Ending balance	(162.8)	(126.3)	(162.8)	(126.3)
Pension Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(68.7)	(66.2)	(69.1)	(67.2)
Other comprehensive (loss) income before reclassifications and tax	0.0	0.0	0.0	0.0
Tax (expense) benefit	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	1.6	(0.2)	2.0	1.0
Tax (expense) benefit	(0.5)	0.0	(0.5)	(0.2)
Reclassifications, net of tax	1.1	(0.2)	1.5	0.8
Net other comprehensive (loss) income	1.1	(0.2)	1.5	0.8
Ending balance	(67.6)	(66.4)	(67.6)	(66.4)
Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	4.6	5.1	4.0	4.3
Other comprehensive (loss) income before reclassifications and tax	2.9	(0.9)	1.5	(0.7)
Tax (expense) benefit	(0.8)	0.1	(0.5)	0.0
Other comprehensive (loss) income before reclassifications, net of tax	2.1	(0.8)	1.0	(0.7)
Reclassifications, before tax	1.0	(1.1)	3.1	(0.2)
Tax (expense) benefit	(0.3)	0.3	(0.7)	0.1
Reclassifications, net of tax	0.7	(0.8)	2.4	(0.1)
Net other comprehensive (loss) income	2.8	(1.6)	3.4	(0.8)
Ending balance	7.4	3.5	7.4	3.5
Pension Benefits , Foreign Currency Translation | Scenario, Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Reclassifications, before tax	1.0	(0.6)	0.8	0.2
Net amortization of prior service cost and actuarial losses | Scenario, Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Reclassifications, before tax	$ 0.6	$ 0.4	$ 1.2	$ 0.8