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Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			$ 1,251.6
Other comprehensive income (loss) before reclassifications			47.9	$ 10.9
Amounts reclassified from accumulated other comprehensive loss			0.2	0.3
Other comprehensive income (loss)	$ (3.3)	$ 25.9	48.1	11.2
Balance, end of period	1,202.7	1,300.7	1,202.7	1,300.7
Amortization loss, net of tax	1.4	1.7	1.4	1.7	$ 1.5	$ 1.8
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(43.9)	(81.1)	(95.3)	(66.4)
Other comprehensive income (loss)	(3.3)	25.9	48.1	11.2
Balance, end of period	(47.2)	(55.2)	(47.2)	(55.2)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(86.7)	(56.8)
Other comprehensive income (loss) before reclassifications			47.9	10.9
Amounts reclassified from accumulated other comprehensive loss			0.0	0.0
Other comprehensive income (loss)			47.9	10.9
Balance, end of period	(38.8)	(45.9)	(38.8)	(45.9)
Pension and Other Postretirement Benefits
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(8.6)	(9.6)
Other comprehensive income (loss) before reclassifications			0.0	0.0
Amounts reclassified from accumulated other comprehensive loss			0.2	0.3
Other comprehensive income (loss)			0.2	0.3
Balance, end of period	$ (8.4)	$ (9.3)	$ (8.4)	$ (9.3)

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Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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