CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, tax	$ (2.5)	$ 0.4	$ (0.8)	$ 1.9
Defined benefit pension and other postretirement plan adjustments, tax	(0.2)	0.0	(0.3)	(0.5)
Net gain (loss) on equity affiliate accumulated other comprehensive income, tax	0.0	0.0	0.0	0.0
Net gain (loss) on derivatives, tax	$ 1.1	$ 0.8	$ 0.7	$ (0.3)