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	$ 15.2	$ 8.2
Other comprehensive income:
Foreign currency translation	0.1	(0.2)
Total comprehensive income	$ 15.3	$ 8.0