v3.26.1
INCOME TAXES - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Disclosure of Detailed Information about Non Capital Loss Applied to Reduce Future Taxable Income [Line Items]      
Tax rate   27.00% 27.00%
Tax provisions related to pillar two income taxes   $ 0.0 $ 1.1
Current tax expense (income) and, additional income tax previously assessed $ 73.2 73.2  
Current tax expense (income) and additional income tax previously assessed, amount paid 54.5    
Net income tax expense, indemnification asset   33.4  
Nicaragua      
Disclosure of Detailed Information about Non Capital Loss Applied to Reduce Future Taxable Income [Line Items]      
Settlement agreement, tax obligation payable 37.9 37.9  
Settlement agreement, interest and penalties 10.5 10.5  
Payments for income tax settlement 18.4    
Newmont Corporation      
Disclosure of Detailed Information about Non Capital Loss Applied to Reduce Future Taxable Income [Line Items]      
Estimated indemnity claim, additional tax previously assessed 39.8 39.8  
Calibre Acquisition      
Disclosure of Detailed Information about Non Capital Loss Applied to Reduce Future Taxable Income [Line Items]      
Fair value of acquired tax obligation $ 37.4 $ 37.4