Stock-Based Compensation Expense (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense, Before Tax	$ 64,100,000	$ 52,700,000	$ 35,400,000
Allocated Share-based Compensation Expense, Net of Tax	57,500,000	47,300,000	31,100,000
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense, Before Tax	300,000	5,700,000	3,300,000
Cash Incentive Units (CIUs)
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense, Before Tax	21,700,000	12,800,000	3,200,000
Restricted Stock Units and Cash-Settled Awards
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense, Before Tax	40,600,000	32,700,000	25,500,000
Stock Success Units (SSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense, Before Tax	900,000	900,000	2,800,000
Other Awards
Share-based Compensation Arrangement by Share-based Payment Award
Allocated Share-based Compensation Expense, Before Tax	$ 600,000	$ 600,000	$ 600,000