Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Consolidated net income	$ 27.0	$ 19.0	$ 69.9	$ 46.2
Other comprehensive income:
Amortization related to derivative securities, net of tax	0.8	0.7	2.2	2.0
Foreign currency translation adjustment, net of tax	(0.2)	0.8	0.7	0.8
Other comprehensive income (loss)	0.6	1.5	2.9	2.8
Comprehensive income attributable to redeemable non-controlling interests in consolidated Funds	11.9	2.1	24.6	3.7
Total comprehensive income attributable to controlling interests	$ 15.7	$ 18.4	$ 48.2	$ 45.3