Other Comprehensive (Loss) Income - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	$ (49.8)	$ (50.0)	$ 115.2
Total other comprehensive income (loss), Tax	(6.8)	(6.1)	(1.4)
Total other comprehensive income (loss), net of tax	(56.6)	(56.1)	113.8
Cumulative translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(74.9)	(75.6)	107.8
Total other comprehensive income (loss), Tax	0.0	0.0	0.0
Total other comprehensive income (loss), net of tax	(74.9)	(75.6)	107.8
Net gain (loss) arising during the year
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	24.6	12.0	(1.5)
Total other comprehensive income (loss), Tax	(6.7)	(2.9)	0.1
Total other comprehensive income (loss), net of tax	17.9	9.1	(1.4)
Amortization and settlement loss, net of curtailment gain
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	0.5	10.3	2.9
Total other comprehensive income (loss), Tax	(0.1)	(2.4)	(0.1)
Total other comprehensive income (loss), net of tax	0.4	7.9	2.8
Pension and other postretirement adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	25.1	22.3	1.4
Total other comprehensive income (loss), Tax	(6.8)	(5.3)	0.0
Total other comprehensive income (loss), net of tax	18.3	17.0	1.4
Reclassification adjustments for derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	0.0	3.3	6.0
Total other comprehensive income (loss), Tax	0.0	(0.8)	(1.4)
Total other comprehensive income (loss), net of tax	$ 0.0	$ 2.5	$ 4.6