v3.26.1
STOCKHOLDERS' DEFICIT - Equity statements (Details) - USD ($)
$ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Feb. 19, 2026
Jun. 30, 2026
May 31, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Increase (Decrease) in Stockholders' Equity                  
Balance at the beginning of the period       $ (1,926.5) $ (1,894.8) $ (1,737.8) $ (1,760.5) $ (1,894.8) $ (1,760.5)
Net loss       (11.4) (117.1) (4.7) (202.1) (128.5) (206.8)
Other comprehensive income (loss)       (16.0) (15.5) 11.1 52.7    
Debt for equity exchange       226.8          
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       3.3 7.3 6.0 5.7    
Balance at the end of the period   $ (1,452.7)   (1,452.7) (1,926.5) (1,725.4) (1,737.8) (1,452.7) (1,725.4)
Additional Paid-in Capital                  
Increase (Decrease) in Stockholders' Equity                  
Balance at the beginning of the period       7,221.4 7,121.5 6,886.1 6,714.2 7,121.5 6,714.2
Debt for equity exchange       225.4          
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       3.3 7.2 6.0 5.7    
Balance at the end of the period   7,719.8   7,719.8 7,221.4 6,892.1 6,886.1 7,719.8 6,892.1
Accumulated Other Comprehensive Loss                  
Increase (Decrease) in Stockholders' Equity                  
Balance at the beginning of the period       (57.7) (42.2) (79.3) (132.0) (42.2) (132.0)
Other comprehensive income (loss)       (16.0) (15.5) 11.1 52.7    
Balance at the end of the period   (73.7)   (73.7) (57.7) (68.2) (79.3) (73.7) (68.2)
Accumulated Deficit                  
Increase (Decrease) in Stockholders' Equity                  
Balance at the beginning of the period       (9,096.3) (8,979.2) (8,548.9) (8,346.8) (8,979.2) (8,346.8)
Net loss       (11.4) (117.1) (4.7) (202.1)    
Balance at the end of the period   (9,107.7)   (9,107.7) (9,096.3) (8,553.6) (8,548.9) (9,107.7) (8,553.6)
Class A common stock | Common Stock                  
Increase (Decrease) in Stockholders' Equity                  
Balance at the beginning of the period       $ 6.1 $ 5.1 $ 4.3 $ 4.1 $ 5.1 $ 4.1
Balance (in shares)       605,223,095 512,943,561 433,143,561 414,417,797 512,943,561 414,417,797
Debt for equity exchange       $ 1.4          
Debt for equity exchange (shares)       142,102,295          
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   $ 8.9   $ 8.9 $ 6.1 $ 4.3 $ 4.3 $ 8.9 $ 4.3
Balance (in shares)   892,604,638   892,604,638 605,223,095 433,143,561 433,143,561 892,604,638 433,143,561
Common Stock                  
Increase (Decrease) in Stockholders' Equity                  
Debt for equity exchange (shares)     142,102,295            
Board of Director | Class A common stock                  
Increase (Decrease) in Stockholders' Equity                  
Shares awarded 869,571       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    
At-the-Market Offerings                  
Increase (Decrease) in Stockholders' Equity                  
Share issuances       $ 82.3          
At-the-Market Offerings | Additional Paid-in Capital                  
Increase (Decrease) in Stockholders' Equity                  
Share issuances       81.8          
At-the-Market Offerings | Class A common stock | Common Stock                  
Increase (Decrease) in Stockholders' Equity                  
Share issuances       $ 0.5          
Share issuance (in shares)       50,029,248          
At-the-Market Offerings | Common Stock                  
Increase (Decrease) in Stockholders' Equity                  
Share issuance (in shares)               105,300,000 17,100,000
Registered direct offering                  
Increase (Decrease) in Stockholders' Equity                  
Share issuances       $ 188.8          
Share issuance (in shares)   95,250,000           95,300,000  
Registered direct offering | Additional Paid-in Capital                  
Increase (Decrease) in Stockholders' Equity                  
Share issuances       187.9          
Registered direct offering | Class A common stock | Common Stock                  
Increase (Decrease) in Stockholders' Equity                  
Share issuances       $ 0.9          
Share issuance (in shares)       95,250,000