Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 12.1	$ 4.1
Other comprehensive income:
Foreign currency translation adjustments	0.1	4.2
Other comprehensive income	0.1	4.2
Comprehensive income	12.2	8.3
Comprehensive income attributable to noncontrolling interest	(0.1)	(0.1)
Comprehensive income attributable to controlling interest	$ 12.1	$ 8.2