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Share-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized for grant (in shares) 3,639,951   3,639,951    
Costs for share-based payment arrangements $ 58.7 $ 16.5 $ 120.7 $ 39.0  
Unamortized share-based compensation expense 95.5   $ 95.5    
Weighted average period over which unrecognized compensation cost is expected to be recognized (in years)     1 year 6 months    
Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Units granted (in shares)     444,405 30,000  
Weighted-average fair values per share (in dollars per share)     $ 36.45 $ 12.68  
Unrestricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Units granted (in shares)     40,710 73,716  
Weighted-average fair values per share (in dollars per share)     $ 36.35 $ 20.89  
Performance Based RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Units granted (in shares)     151,623    
Weighted-average fair values per share (in dollars per share)     $ 47.76    
Cash-Settled Performance Stock Units and Cash-Settled Restricted Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Liabilities recognized for restricted stock grants $ 137.6   $ 137.6   $ 34.6
Cash used to settle liabilities     $ 11.6 $ 2.9  
Cash-settled Service-Based Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Units granted (in shares)     381,410 673,855  
Weighted-average fair values per share (in dollars per share)     $ 27.59 $ 12.75  
Cash-settled Performance Stock Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Units granted (in shares)       645,180  
Weighted-average fair values per share (in dollars per share)       $ 19.17