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Earnings (Loss) per Share - Schedule of Earnings (Loss) per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Earnings Per Share [Abstract]    
Net income (loss) - basic $ 43.4 $ (76.6)
Net income (loss) - diluted $ 43.4 $ (76.6)
Weighted-average common shares outstanding:    
Basic (in shares) 99.8 97.1
Effect of dilutive securities (in shares) 3.8 0.0
Diluted (in shares) 103.6 97.1
Earnings (loss) per share:    
Earnings (loss) per share, basic (in USD per share) $ 0.43 $ (0.79)
Earnings (loss) per share, diluted (in USD per share) $ 0.42 $ (0.79)
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive (in shares) 1.7 15.5