Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of period	$ 2,684.9	$ 2,335.4
Other comprehensive income (loss) before reclassifications	14.2	(23.6)
Amounts reclassified out from accumulated other comprehensive income (loss)	0.4	0.8
Other comprehensive income (loss), net of tax	14.6	(22.8)
Balance, end of period	2,776.2	2,326.2
Total
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of period	(183.0)	(159.6)
Other comprehensive income (loss), net of tax	14.6	(22.8)
Balance, end of period	(168.4)	(182.4)
(Losses) gains on derivatives
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of period	0.2	(1.2)
Other comprehensive income (loss) before reclassifications	(0.9)	(1.9)
Amounts reclassified out from accumulated other comprehensive income (loss)	0.7	0.3
Other comprehensive income (loss), net of tax	(0.2)	(1.6)
Balance, end of period	0.0	(2.8)
Change in equity affiliate investment AOCI
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of period	1.6	1.5
Other comprehensive income (loss) before reclassifications	0.0	0.0
Amounts reclassified out from accumulated other comprehensive income (loss)	0.0	0.0
Other comprehensive income (loss), net of tax	0.0	0.0
Balance, end of period	1.6	1.5
Defined benefit pension and other postretirement plans
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of period	(9.4)	(31.8)
Other comprehensive income (loss) before reclassifications	(0.2)	0.4
Amounts reclassified out from accumulated other comprehensive income (loss)	(0.3)	0.5
Other comprehensive income (loss), net of tax	(0.5)	0.9
Balance, end of period	(9.9)	(30.9)
Foreign currency translation
Changes in the Components of Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of period	(175.4)	(128.1)
Other comprehensive income (loss) before reclassifications	15.3	(22.1)
Amounts reclassified out from accumulated other comprehensive income (loss)	0.0	0.0
Other comprehensive income (loss), net of tax	15.3	(22.1)
Balance, end of period	$ (160.1)	$ (150.2)