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Provisions (Tables)
12 Months Ended
Dec. 31, 2024
Provisions [abstract]  
Disclosure of provisions
20242023
Reclamation obligations, opening balance$447.1 $296.2 
Reclamation obligations from the Acquisition (Note 8) 244.0 
Dispositions (Note 9)(89.2)(129.9)
Revisions in estimates and obligations74.2 29.9 
Expenditures(25.1)(27.3)
Accretion expense (Note 25)31.3 34.2 
Reclamation obligations, closing balance$438.3 $447.1 
Litigation25.4 10.5 
Litigation from the Acquisition 34.6 
Dispositions (Note 9)(1.3)(18.2)
Total provisions$462.4 $474.0 
Maturity analysis of total provisions:December 31,
2024
December 31,
2023
Current$35.3 $41.6 
Non-current427.1 432.4 
 $462.4 $474.0