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Share-based Compensation and Other Employment Benefit Plans - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
simulation
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost $ 35.4    
Unrecognized compensation cost, period of recognition (years) 1 year 9 months 21 days    
Stock option grants (in shares) | shares 0 0 0
Options outstanding, intrinsic value $ 2.9    
Options outstanding, weighted average remaining contractual term (years) 2 years 1 month 6 days    
Options exercised, intrinsic value $ 11.2 $ 10.0 $ 21.3
Performance Share Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of simulations | simulation 100,000    
Non-option awards vested, total fair value $ 7.4 $ 2.2 $ 2.4
Performance Share Units (PSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage of awards subject to market condition 50.00% 50.00% 50.00%
Restricted Share Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Non-option awards vested, total fair value $ 26.1 $ 28.0 $ 19.8
2021 Omnibus Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of authorized but unissued common stock reserved for future grants (in shares) | shares 5,800,000    
Common stock, reserved for future issuance (in shares) | shares 4,300,000