Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (100.2)	$ 243.1	$ 340.5
Other comprehensive income (loss), net of income taxes:
Foreign currency translation adjustments	16.8	(100.9)	(77.1)
Cash flow hedge adjustments	0.0	1.7	4.6
Pension plan adjustments	(8.9)	17.6	20.8
Total other comprehensive income (loss), net of income taxes	7.9	(81.6)	(51.7)
Comprehensive (loss) income	$ (92.3)	$ 161.5	$ 288.8