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Earnings per Share - Schedule of Earnings per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Earnings Per Share [Abstract]    
Net income - basic $ 7.9 $ 43.4
Net income - diluted $ 7.9 $ 43.4
Weighted-average common shares outstanding:    
Basic (in shares) 99.7 99.8
Effect of dilutive securities (in shares) 2.8 3.8
Diluted (in shares) 102.5 103.6
Earnings per share:    
Earnings per share, basic (in USD per share) $ 0.08 $ 0.43
Earnings per share, diluted (in USD per share) $ 0.08 $ 0.42
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive (in shares) 3.3 1.7