Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2025	Oct. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	$ 1,453.5	$ 1,489.1
Other comprehensive income (loss) before reclassifications and tax	7.1	3.5
Tax benefit	0.0	0.3
Other comprehensive income (loss) before reclassifications, net of tax	7.1	3.8
Reclassifications, before tax	0.9	2.5
Tax expense	0.0	(0.4)
Reclassifications, net of tax	0.9	2.1
Net other comprehensive income	8.0	5.9
Ending balance	1,516.6	1,543.0
Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(180.7)	(198.9)
Net other comprehensive income	8.0	5.9
Ending balance	(172.7)	(193.0)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(104.2)	(133.8)
Other comprehensive income (loss) before reclassifications and tax	7.5	4.9
Tax benefit	0.0	0.0
Other comprehensive income (loss) before reclassifications, net of tax	7.5	4.9
Reclassifications, before tax	0.0	0.0
Tax expense	0.0	0.0
Reclassifications, net of tax	0.0	0.0
Net other comprehensive income	7.5	4.9
Ending balance	(96.7)	(128.9)
Pension Benefits
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	(76.6)	(69.1)
Other comprehensive income (loss) before reclassifications and tax	0.0	0.0
Tax benefit	0.0	0.0
Other comprehensive income (loss) before reclassifications, net of tax	0.0	0.0
Reclassifications, before tax	0.5	0.4
Tax expense	0.0	0.0
Reclassifications, net of tax	0.5	0.4
Net other comprehensive income	0.5	0.4
Ending balance	(76.1)	(68.7)
Derivative Financial Instruments
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance	0.1	4.0
Other comprehensive income (loss) before reclassifications and tax	(0.4)	(1.4)
Tax benefit	0.0	0.3
Other comprehensive income (loss) before reclassifications, net of tax	(0.4)	(1.1)
Reclassifications, before tax	0.4	2.1
Tax expense	0.0	(0.4)
Reclassifications, net of tax	0.4	1.7
Net other comprehensive income	0.0	0.6
Ending balance	0.1	4.6
Pension Benefits , Foreign Currency Translation | Scenario, Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Reclassifications, before tax	0.0	(0.2)
Net amortization of prior service cost and actuarial losses | Scenario, Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax
Reclassifications, before tax	$ 0.5	$ 0.6