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Earnings Per Share - Schedule of Net Income Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net income $ 87.6 $ 77.5 $ 145.5 $ 317.6
Add back interest expense, net of tax 0.0 2.4 2.8 7.1
Net income, diluted $ 87.6 $ 79.9 $ 148.3 $ 324.7
Weighted average number of common shares outstanding, basic (in shares) 70,367 70,123 70,343 70,047
Convertible Senior Notes (in shares) 0 3,528 1,645 3,528
Weighted average number of common shares outstanding, diluted (in shares) 70,661 73,951 72,292 73,830
Earnings per share:        
Basic (in dollars per share) $ 1.24 $ 1.11 $ 2.07 $ 4.53
Diluted (in dollars per share) $ 1.24 $ 1.08 $ 2.05 $ 4.40
Restricted stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Effect of dilutive securities (in shares) 201 140 197 98
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Effect of dilutive securities (in shares) 93 160 107 157