v3.26.1
STOCKHOLDERS' DEFICIT - Equity statements (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Increase (Decrease) in Stockholders' Equity    
Balance at the beginning of the period $ (1,894.8) $ (1,760.5)
Net loss (117.1) (202.1)
Other comprehensive income (loss) (15.5) 52.7
Taxes paid for restricted unit withholdings (3.7) (4.4)
Consent fees paid in shares 34.5  
Share issuances 62.8 170.8
Stock-based compensation 7.3 5.7
Balance at the end of the period (1,926.5) (1,737.8)
Additional Paid-in Capital    
Increase (Decrease) in Stockholders' Equity    
Balance at the beginning of the period 7,121.5 6,714.2
Taxes paid for restricted unit withholdings (3.7) (4.4)
Consent fees paid in shares 34.2  
Share issuances 62.2 170.6
Stock-based compensation 7.2 5.7
Balance at the end of the period 7,221.4 6,886.1
Accumulated Other Comprehensive Loss    
Increase (Decrease) in Stockholders' Equity    
Balance at the beginning of the period (42.2) (132.0)
Other comprehensive income (loss) (15.5) 52.7
Balance at the end of the period (57.7) (79.3)
Accumulated Deficit    
Increase (Decrease) in Stockholders' Equity    
Balance at the beginning of the period (8,979.2) (8,346.8)
Net loss (117.1) (202.1)
Balance at the end of the period (9,096.3) (8,548.9)
Class A common stock | Common Stock    
Increase (Decrease) in Stockholders' Equity    
Balance at the beginning of the period $ 5.1 $ 4.1
Balance (in shares) 512,943,561 414,417,797
Consent fees paid in shares $ 0.3  
Consent fees paid in shares (in shares) 33,117,743  
Share issuances $ 0.6 $ 0.2
Share issuance (in shares) 55,224,032 17,052,756
Stock-based compensation $ 0.1  
Stock-based compensation (in shares) 3,937,759 1,673,008
Balance at the end of the period $ 6.1 $ 4.3
Balance (in shares) 605,223,095 433,143,561
Board of Director | Class A common stock    
Increase (Decrease) in Stockholders' Equity    
Shares awarded 869,571 370,586
RSU and PSU Units | Class A common stock    
Increase (Decrease) in Stockholders' Equity    
Shares Vested 3,068,188 1,302,422