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Contingencies (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of contingent liabilities [line items]      
Provisions $ 474.0 $ 303.2  
Royalty expense $ 55.9 35.9  
San Vicente | COMIBOL | Bolivia      
Disclosure of contingent liabilities [line items]      
Participation fee 37.50%    
Royalty expense $ 9.7 7.5  
Closure and decommissioning      
Disclosure of contingent liabilities [line items]      
Provisions $ 447.1 $ 296.2 $ 242.9