Long-Term Incentive Plan (Equity-Based Incentive Compensation Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based incentive compensation expense	$ 38.5	$ 21.8	$ 12.0
Performance-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based incentive compensation expense	23.0	11.2	3.1
Time-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based incentive compensation expense	$ 15.5	$ 10.6	$ 8.9