v3.26.1
LOANS AND FINANCING - Summary of Loans and Financing (Details) - USD ($)
$ in Millions
 2 Months Ended 12 Months Ended
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 2,593.8 $ 2,491.1
Current   105.3 113.8
Loans and financing   $ 2,488.5 2,377.3
Others | Local currency      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   10.50%  
Others | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 10.0 10.0
2025-35 | Property, plant and equipment | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 18.1 20.0
2027 | Guaranteed Notes      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.40%  
Repayment of notes payable $ 532.3    
2027 | Guaranteed Notes | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 0.0 533.2
2027 | Export financing      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.49%  
2027 | Export financing | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 0.0 372.7
2028 | Guaranteed Notes      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   6.95%  
Repayment of notes payable   $ 512.5  
2028 | Guaranteed Notes | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 0.0 491.9
2028 | Projects      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   3.90%  
2028 | Projects | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 50.0 50.0
2030 | Guaranteed Notes      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   7.00%  
Repayment of notes payable   $ 535.6  
2030 | Guaranteed Notes | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 274.5 761.7
2035 | Guaranteed Notes      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.98%  
2035 | Guaranteed Notes | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 657.6 0.0
2038 | Guaranteed Notes      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.40%  
2038 | Guaranteed Notes | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 912.2 0.0
2026 | Working capital      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   2.60%  
2026 | Working capital | Local currency      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 3.8 3.3
2026 | Export financing      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.92%  
2026 | Export financing | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 0.0 30.5
2025-26 | Working capital      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   1.31%  
2025-26 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 0.2 1.2
2025-30 | Working capital | Bottom of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   3.17%  
2025-30 | Working capital | Top of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   4.09%  
2025-30 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 137.4 22.0
2032 | Working capital      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   1.30%  
2032 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 81.0 0.0
2026-30 | Working capital      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   1.95%  
2026-30 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 13.6 0.0
2025 | Working capital      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   0.50%  
2025 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 0.0 10.7
2025-31 | Working capital      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   0.75%  
2025-31 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 52.2 66.8
2025-30 | Working capital | Bottom of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   4.42%  
2025-30 | Working capital | Top of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   6.88%  
2025-30 | Working capital | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 27.3 26.0
2033 | Export financing      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   4.41%  
2033 | Export financing | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 200.5 0.0
2026-40 | Projects | Bottom of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   4.55%  
2026-40 | Projects | Top of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   7.53%  
2026-40 | Projects | Local currency      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 38.8 13.0
2029-40 | Projects      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   2.20%  
2029-40 | Projects | Bottom of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.69%  
2029-40 | Projects | Top of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.94%  
2029-40 | Projects | Local currency      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 17.9 7.4
2029-40 | Projects | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 2.5 0.9
2028-41 | Projects      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   2.30%  
2028-41 | Projects | Local currency      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 17.8 0.0
2027-35 | Projects | Bottom of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.30%  
2027-35 | Projects | Top of range      
Disclosure of detailed information about loans and financing [line items]      
Borrowing effective interest rate   5.94%  
2027-35 | Projects | Other currencies      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 78.4 $ 69.8