CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 74.3	$ 55.4
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustments	(47.3)	4.4
Defined benefit pension and other postretirement plan adjustments, net of tax of $0.6 and $0	2.0	(0.3)
Net gain (loss) on derivatives, net of tax of $1.3 and $(1.6)	2.6	(3.3)
Other comprehensive (loss) income, net of tax	(42.7)	0.8
Comprehensive income	$ 31.6	$ 56.2