Basis of Presentation and Summary of Significant Accounting Policies - Share Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Stock repurchase program, authorized amount		$ 2,000.0		$ 2,000.0
Program term		5 years
Shares repurchased (in shares)	1,160,707	505,000	7,500,489	980,000
Aggregate cost (in millions)	$ 62.7	$ 34.5	$ 437.2	$ 61.2