Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 63.2	$ 42.9	$ 121.8	$ 274.4
Other comprehensive income, net of income tax:
Foreign currency translation adjustment	(31.4)	(30.5)	1.6	(54.4)
Total comprehensive income	31.8	12.4	123.4	220.0
Total comprehensive income attributable to:
Controlling interests	32.0	12.4	123.8	220.0
Redeemable non-controlling interests	(0.2)	0.0	(0.4)	0.0
Total comprehensive income	$ 31.8	$ 12.4	$ 123.4	$ 220.0