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Yamana Acquisition - Additional Information (Details)
shares in Millions, $ in Millions
12 Months Ended
Mar. 31, 2023
USD ($)
shares
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Disclosure of detailed information about business combination [line items]      
Value of shares issued $ 2,823.0   $ 3,307.9
Revenue of acquiree     916.1
Net earnings of acquiree     6.5
Revenue would have contributed if transaction had occurred January 1, 2023     1,198.3
Pre-tax income would have contributed if transaction had occurred January 1, 2023     30.6
Acquisition related costs   $ 0.0 $ 25.3
Pan American | Pan American Shareholders      
Disclosure of detailed information about business combination [line items]      
Ownership percentage 58.00%    
Pan American | Former Yamana Shareholders      
Disclosure of detailed information about business combination [line items]      
Ownership percentage 42.00%    
Yamana      
Disclosure of detailed information about business combination [line items]      
Percentage acquired 100.00%    
Number of shares issued (shares) | shares 153.8    
Cash received $ 259.5