Stock Based Compensation - Components of Equity-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 20.8	$ 17.9	$ 66.1	$ 43.9
Expected tax benefit	2.9	1.9	8.0	5.1
Restricted stock and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	18.1	14.6	53.8	36.6
Expected tax benefit	2.8	1.6	7.4	4.7
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	2.7	3.3	12.3	4.9
Expected tax benefit	0.1	0.3	0.6	0.4
Incentive units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 0.0	$ 0.0	$ 0.0	$ 2.4