CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 161.3	$ 120.6	$ 456.4	$ 482.9
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments, net of tax of $0.4, $1.1, $1.9 and $3.8, respectively	(40.9)	(76.0)	(36.9)	(162.5)
Defined benefit pension and other postretirement plan adjustments, net of tax of $0.0, $14.6, $(0.5), and $15.5, respectively	0.2	13.6	(1.2)	16.4
Net loss on equity affiliate accumulated other comprehensive income, net of tax of $0.0, $0.0, $0.0 and $0.0, respectively	0.0	(0.1)	(0.1)	(0.2)
Net gain (loss) on derivatives, net of tax of $0.8, $0.0, $(0.3) and $(0.8), respectively	1.2	(0.1)	(1.8)	(2.6)
Other comprehensive (loss) income, net of tax	(39.5)	(62.6)	(40.0)	(148.9)
Comprehensive income	$ 121.8	$ 58.0	$ 416.4	$ 334.0