v3.26.1
Equity and Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Numerator for basic and diluted earnings per share:          
Net loss $ (95.9) $ (147.9) $ (412.9) $ (309.9)  
Denominator for earnings per share:          
Weighted average number of basic common shares outstanding (in shares) 87,586,284 86,797,123 87,292,705 86,613,896  
Weighted average number of diluted common shares outstanding (in shares) 87,586,284 86,797,123 87,292,705 86,613,896  
Earnings per share in net loss:          
Basic (in USD per share) $ (1.09) $ (1.70) $ (4.73) $ (3.58)  
Diluted (in USD per share) $ (1.09) $ (1.70) $ (4.73) $ (3.58)  
Stock-based compensation expense $ 7.6 $ 7.6 $ 45.4 $ 13.3  
Class of warrants outstanding (in shares) 2,000,000   2,000,000   2,000,000
Reclassification Of warrant equity to common stock and additional paid-in capital $ 7.8   $ 7.8