v3.25.1
CORPORATE BORROWINGS AND FINANCE LEASE LIABILITIES - Exchangeable Notes (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
CORPORATE BORROWINGS AND FINANCE LEASE LIABILITIES      
Discount $ (167.2)   $ (171.3)
Debt issuance costs (45.4)   (47.2)
Accrued paid-in-kind interest 10.1   1.5
Derivative liability 112.5   157.6
Carrying value 4,128.2   4,134.5
Amortization of net discount (premium) on corporate borrowings to interest expense 4.2 $ (11.2)  
Amortization of deferred financing costs to interest expense 1.9 $ 2.5  
Derivative liability 45.1    
Exchangeable Notes      
CORPORATE BORROWINGS AND FINANCE LEASE LIABILITIES      
Principal balance 427.6   427.6
Discount (116.1)   (117.9)
Debt issuance costs (22.9)   (23.3)
Accrued paid-in-kind interest 10.1   1.5
Derivative liability 112.5   157.6
Carrying value 411.2   $ 445.5
Amortization of net discount (premium) on corporate borrowings to interest expense 1.8    
Amortization of deferred financing costs to interest expense 0.4    
Accrued paid-in-kind interest, (Increase) decrease to net earnings (loss) 8.6    
Derivative liability (45.1)    
Carrying value, (Increase) Decrease to Net Earnings (Loss) $ (34.3)    
Effective interest rate 15.12%