v3.25.4
CORPORATE BORROWINGS AND FINANCE LEASE LIABILITIES - 2024 Refinancing transactions (Details)
 12 Months Ended
Aug. 06, 2025
USD ($)
Jul. 01, 2025
USD ($)
Jul. 22, 2024
USD ($)
D
item
installment
$ / shares
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jul. 24, 2025
Corporate borrowings and finance lease obligations              
Total consideration   $ 425,700,000          
Carrying value of corporate borrowings       $ 4,024,200,000 $ 4,134,500,000    
(Gain)/Loss on extinguishment of debt       196,000,000 (38,900,000) $ (142,800,000)  
Term Loan modifications - third party fees $ 3,100,000     3,100,000 42,300,000    
Senior Secured Notes due 2029              
Corporate borrowings and finance lease obligations              
Debt instrument face amount     $ 2,024,300,000        
Cash fee paid   2,400,000          
Total consideration   683,400,000          
Carrying value of corporate borrowings       877,100,000      
Senior Secured Notes due 2029 | Maximum              
Corporate borrowings and finance lease obligations              
Stated interest rate (as a percent)             15.00%
Exchangeable Notes              
Corporate borrowings and finance lease obligations              
Conversion rate     176.6379        
Conversion price (in dollars per share) | $ / shares     $ 5.66        
Threshold percentage of stock price trigger     113.00%        
Minimum percentage of common stock price excluded for redemption     140.00%        
Threshold period of specified consecutive trading days excluded for redemption | D     15        
Number of business days entitled for submission for exchange     2 days        
Number of installment for periodic payment in cash | installment     12        
Repurchase price (in percent)     100.00%        
Debt Instrument, Redemption Price, Percentage     100.00%        
Threshold number of days prior to the maturity date of 7.50% first lien secured notes due 2029 outstanding excluded for redemption     90 days        
Debt instrument face amount     $ 414,400,000        
Aggregate principal exchanged         293,600,000    
Carrying value of corporate borrowings   337,400,000   111,600,000 427,600,000    
(Gain)/Loss on extinguishment of debt   103,300,000   103,300,000      
Exchangeable Notes | Prior to the third anniversary of the Issue Date              
Corporate borrowings and finance lease obligations              
Percentage of aggregate principal amount exchanged     18.00%        
Exchangeable Notes | On or after the third anniversary and prior to the fourth anniversary of the Issue Date              
Corporate borrowings and finance lease obligations              
Percentage of aggregate principal amount exchanged     12.00%        
Exchangeable Notes | On or after the fourth anniversary of the Issue Date and prior to the fifth anniversary              
Corporate borrowings and finance lease obligations              
Percentage of aggregate principal amount exchanged     6.00%        
Exchangeable Notes | Minimum              
Corporate borrowings and finance lease obligations              
Number of business days     5 days        
Exchangeable Notes | Maximum              
Corporate borrowings and finance lease obligations              
Number of business days     10 days        
Conversion Option              
Corporate borrowings and finance lease obligations              
Aggregate principal exchanged         233,400,000    
New Term Loans              
Corporate borrowings and finance lease obligations              
Principal and premium repayments     $ 1,895,000,000        
Aggregate principal exchanged         104,200,000    
Carrying value of corporate borrowings       1,994,200,000 2,014,200,000    
Second Lien Subordinated Notes due 2026              
Corporate borrowings and finance lease obligations              
Debt instrument face amount     414,400,000        
Aggregate principal exchanged     104,200,000   635,800,000    
Aggregate Principal Repurchased     $ 414,400,000        
Fee paid in kind         2,300,000    
Cash fee paid         2,300,000    
Carrying value of corporate borrowings         131,200,000    
(Gain)/Loss on extinguishment of debt $ (6,600,000)       61,200,000    
Term Loan modifications - third party fees         42,300,000    
Principal Second Lien Notes              
Corporate borrowings and finance lease obligations              
Carrying value of corporate borrowings         518,600,000    
Premium Second Lien Notes              
Corporate borrowings and finance lease obligations              
Carrying value of corporate borrowings         56,000,000    
Debt due in 2026              
Corporate borrowings and finance lease obligations              
Number of Creditor Groups Involved in Refinancing Transactions | item     2        
First Lien Notes due 2029              
Corporate borrowings and finance lease obligations              
Threshold outstanding principal of 7.50% First Lien secured notes due 2029 excluded     $ 190,000,000        
Carrying value of corporate borrowings   590,000,000   360,000,000 $ 950,000,000    
(Gain)/Loss on extinguishment of debt   $ 99,000,000   $ 99,000,000      
Stated interest rate (as a percent)       7.50% 7.50%