v3.26.1
Earnings (Loss) Per Common Share - Schedule of Basic and Diluted Earnings (Loss) per Common Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Earnings Per Share [Abstract]        
Net income (loss) $ 169.4 $ (61.2) $ 111.8 $ 21.7
Weighted average common shares outstanding - basic (in shares) 64.8 73.0 64.4 72.8
Number of stock options and RSUs (in shares) 0.9 0.0 1.3 0.2
Denominator adjustments for diluted EPS (in shares) 0.9 0.0 1.3 0.2
Weighted average common shares outstanding - diluted (in shares) 65.7 73.0 65.7 73.0
Earnings (loss) per common share        
Basic (in dollars per share) $ 2.61 $ (0.84) $ 1.74 $ 0.30
Diluted (in dollars per share) $ 2.58 $ (0.84) $ 1.70 $ 0.30