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Share-Based Compensation - Schedule of Share Based Compensation Expense (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pre-tax share-based compensation expense $ 15.5 $ 17.2 $ 47.8 $ 51.9
Less: Income tax benefit (3.2) (3.6) (10.0) (10.9)
Total share-based compensation expense, net of tax 12.3 13.6 37.8 41.0
Cost of revenue        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pre-tax share-based compensation expense 2.0 2.0 5.9 7.4
Selling, general and administrative expenses        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Pre-tax share-based compensation expense $ 13.5 $ 15.2 $ 41.9 $ 44.5