Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 107.4	$ (28.2)
Other comprehensive income (loss), net of income tax:
Foreign currency translation adjustment	(25.0)	15.1
Total comprehensive income (loss)	82.4	(13.1)
Total comprehensive income (loss) attributable to:
Controlling interests	82.4	(13.0)
Redeemable non-controlling interests	0.0	(0.1)
Total comprehensive income (loss)	$ 82.4	$ (13.1)