Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 22.8	$ 22.0	$ 44.8	$ 37.2
Other comprehensive income:
Foreign currency translation	(0.4)	0.1	(0.3)	0.2
Total comprehensive income	$ 22.4	$ 22.1	$ 44.5	$ 37.4