Other Comprehensive (Loss) Income - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss	$ (81.3)	$ 31.3	$ (100.2)	$ (15.7)
Cumulative translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(81.9)	20.3	(101.4)	(28.2)
Total other comprehensive income (loss), Tax	0.0	0.0	0.0	0.0
Other comprehensive loss	(81.9)	20.3	(101.4)	(28.2)
Pension and other postretirement adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	1.1	12.0	1.9	13.1
Total other comprehensive income (loss), Tax	(0.5)	(2.8)	(0.7)	(3.1)
Other comprehensive loss	0.6	9.2	1.2	10.0
Reclassification adjustments for derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	0.0	2.3	0.0	3.2
Total other comprehensive income (loss), Tax	0.0	(0.5)	0.0	(0.7)
Other comprehensive loss	0.0	1.8	0.0	2.5
AOCI
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(80.8)	34.6	(99.5)	(11.9)
Total other comprehensive income (loss), Tax	(0.5)	(3.3)	(0.7)	(3.8)
Other comprehensive loss	$ (81.3)	$ 31.3	$ (100.2)	$ (15.7)