v3.26.3
(Loss) Earnings Per Common Share - Schedule of Basic and Diluted (Loss) Earnings per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings Per Share [Abstract]        
Net (loss) income $ (53.9) $ (35.1) $ 57.9 $ (13.4)
Weighted average common shares outstanding - basic (in shares) 65.4 73.2 64.7 72.9
Number of stock options and RSUs (in shares) 0.0 0.0 1.0 0.0
Denominator adjustments for diluted EPS (in shares) 0.0 0.0 1.0 0.0
Weighted average common shares outstanding - diluted (in shares) 65.4 73.2 65.7 72.9
(Loss) earnings per common share        
Net loss per common share, basic (in dollars per share) $ (0.82) $ (0.48) $ 0.89 $ (0.18)
Diluted (in dollars per share) $ (0.82) $ (0.48) $ 0.88 $ (0.18)