Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,118.6)	$ (100.2)	$ 243.1
Other comprehensive (loss) income, net of income taxes:
Foreign currency translation adjustments	(151.4)	16.8	(100.9)
Cash flow hedge adjustments	0.0	0.0	1.7
Pension plan adjustments	(2.5)	(8.9)	17.6
Total other comprehensive (loss) income, net of income taxes	(153.9)	7.9	(81.6)
Comprehensive (loss) income	$ (1,272.5)	$ (92.3)	$ 161.5