CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 151.2	$ 74.3
Other comprehensive loss, net of tax:
Foreign currency translation adjustments	(28.4)	(47.3)
Defined benefit pension and other postretirement plan adjustments, net of tax of $0.2 and $0.6	0.6	2.0
Net (loss) gain on derivatives, net of tax of $(0.7) and $1.3	(1.8)	2.6
Other comprehensive loss, net of tax	(29.6)	(42.7)
Comprehensive income	$ 121.6	$ 31.6