v3.26.1
Loss Per Common Share - Schedule of Basic and Diluted Loss per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Earnings Per Share [Abstract]    
Net (loss) income $ (57.6) $ 82.9
Weighted average common shares outstanding - basic (in shares) 64.0 72.5
Number of stock options and RSUs (in shares) 0.0 0.2
Denominator adjustments for diluted EPS (in shares) 0.0 0.2
Weighted average common shares outstanding - diluted (in shares) 64.0 72.7
Loss per common share    
Basic (in dollars per share) $ (0.90) $ 1.14
Diluted (in dollars per share) $ (0.90) $ 1.14