Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	$ 2,881.0	$ 2,684.9
Other comprehensive (loss) income before reclassifications	(49.5)	14.2
Amounts reclassified out from accumulated other comprehensive income (loss)	1.0	0.4
Other comprehensive (loss) income, net of tax	(48.5)	14.6
Balance, end of period	2,680.6	2,776.2
Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	0.0	0.2
Other comprehensive (loss) income before reclassifications	(3.1)	(0.9)
Amounts reclassified out from accumulated other comprehensive income (loss)	1.2	0.7
Other comprehensive (loss) income, net of tax	(1.9)	(0.2)
Balance, end of period	(1.9)	0.0
Equity affiliate investment AOCI
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	2.3	1.6
Other comprehensive (loss) income before reclassifications	(0.1)	0.0
Amounts reclassified out from accumulated other comprehensive income (loss)	0.0	0.0
Other comprehensive (loss) income, net of tax	(0.1)	0.0
Balance, end of period	2.2	1.6
Defined benefit pension and other postretirement plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(10.1)	(9.4)
Other comprehensive (loss) income before reclassifications	0.0	(0.2)
Amounts reclassified out from accumulated other comprehensive income (loss)	(0.2)	(0.3)
Other comprehensive (loss) income, net of tax	(0.2)	(0.5)
Balance, end of period	(10.3)	(9.9)
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(136.0)	(175.4)
Other comprehensive (loss) income before reclassifications	(46.3)	15.3
Amounts reclassified out from accumulated other comprehensive income (loss)	0.0	0.0
Other comprehensive (loss) income, net of tax	(46.3)	15.3
Balance, end of period	(182.3)	(160.1)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance, beginning of period	(143.8)	(183.0)
Other comprehensive (loss) income, net of tax	(48.5)	14.6
Balance, end of period	$ (192.3)	$ (168.4)