Stock Based Compensation - Summary of Non-Cash Stock-Based Compensation Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation	$ 89.4	$ 66.1	$ 61.0
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation	12.5	10.4	9.9
2010 SIP and 2019 SIP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation	75.3	55.4	50.7
Performance Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation	1.0	$ 0.3	$ 0.4
Sharesave plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash stock-based compensation	$ 0.6