Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 105.7	$ 126.3	$ 16.1
Currency translation adjustments	29.1	(48.2)	(26.9)
Net unrealized pension and other benefit actuarial loss and prior service credits (net of tax)	50.1	12.6	(21.3)
Net unrealized gain (loss) on financial instruments (net of tax)	21.1	(12.3)	(18.7)
Total other comprehensive (loss) income	100.3	(47.9)	(66.9)
Comprehensive income (loss)	$ 206.0	$ 78.4	$ (50.8)