Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 32.5	$ 33.7	$ 61.5	$ 53.4
Other comprehensive (loss) income, net of income taxes
Foreign currency translation adjustments	(0.1)	(2.9)	(25.3)	(3.6)
Pension and other postretirement benefits adjustments	1.3	1.1	2.8	2.8
Derivatives designated as hedges	(2.0)	(0.9)	(4.4)	(1.6)
Other comprehensive (loss) income	(0.8)	(2.7)	(26.9)	(2.4)
Comprehensive income	$ 31.7	$ 31.0	$ 34.6	$ 51.0