Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 13.2	$ (3.9)	$ 25.3	$ 0.2
Other comprehensive income (loss):
Foreign currency translation adjustments	0.5	(8.5)	0.6	(4.3)
Other comprehensive income (loss)	0.5	(8.5)	0.6	(4.3)
Comprehensive income (loss)	13.7	(12.4)	25.9	(4.1)
Comprehensive income attributable to noncontrolling interest	(0.1)	0.0	(0.2)	(0.1)
Comprehensive income (loss) attributable to controlling interest	$ 13.6	$ (12.4)	$ 25.7	$ (4.2)