Condensed Consolidated Statements of Comprehensive Income - 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	$ 16.9	$ 17.7	$ 21.2	$ 19.0
Foreign currency translation gains (losses), net	1.3	2.0	(1.4)	3.0
Comprehensive income	$ 18.2	$ 19.7	$ 19.8	$ 22.0