CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, tax	$ 1.3	$ 1.7	$ 1.5	$ 2.7
Defined benefit pension and other postretirement plan adjustments, tax	(0.3)	0.6	(0.5)	0.9
Net loss on equity affiliate accumulated other comprehensive income, tax	0.0	0.0	0.0	0.0
Net loss on derivatives, tax	$ (1.0)	$ 0.0	$ (1.1)	$ (0.8)