Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	$ 1,259.0
Other comprehensive income (loss) before reclassifications	(9.2)	$ 9.7
Amounts reclassified from accumulated other comprehensive loss	0.1	0.0
Other comprehensive income (loss)	(9.1)	9.7
Balance, end of period	1,259.8	1,178.3
Amortization of loss, net of tax (Note 2)	1.8	1.9
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(66.4)	(85.2)
Other comprehensive income (loss)	(9.1)	9.7
Balance, end of period	(75.5)	(75.5)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(56.8)	(75.6)
Other comprehensive income (loss) before reclassifications	(9.2)	9.7
Amounts reclassified from accumulated other comprehensive loss	0.0	0.0
Other comprehensive income (loss)	(9.2)	9.7
Balance, end of period	(66.0)	(65.9)
Pension and Other Postretirement Benefits
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(9.6)	(9.6)
Other comprehensive income (loss) before reclassifications	0.0	0.0
Amounts reclassified from accumulated other comprehensive loss	0.1	0.0
Other comprehensive income (loss)	0.1	0.0
Balance, end of period	$ (9.5)	$ (9.6)