Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 100.6	$ 896.4	$ 315.5
Other comprehensive income:
Amortization related to derivative securities, net of tax	3.3	2.4	2.3
Foreign currency translation adjustment	(3.1)	0.4	1.6
Other comprehensive income (loss)	0.2	2.8	3.9
Total other comprehensive income	100.8	899.2	319.4
Comprehensive income attributable to non-controlling interests in consolidated Funds	0.0	68.0	28.8
Total comprehensive income attributable to controlling interests	$ 100.8	$ 831.2	$ 290.6