v3.25.1
SEGMENT AND RELATED INFORMATION: (Details)
$ in Millions
3 Months Ended
Mar. 31, 2025
USD ($)
segment
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Financial information related to segments      
Number of reportable segments | segment 3    
Financial information relating to segments      
Net sales $ 3,121.9 $ 2,599.8  
Cost of sales (exclusive of depreciation, amortization and depletion) 1,319.2 1,157.6  
Selling, general and administrative 31.7 30.8  
Depreciation, amortization and depletion 223.8 209.0  
Exploration 11.7 12.7  
Operating income 1,535.5 1,189.7  
Interest, net (43.2) (53.2)  
Other income (expense) (13.7) 19.0  
Income before income taxes 1,478.5 1,155.5  
Capital investment 317.8 213.8  
Property and mine development, net 9,934.6 9,783.2 $ 9,883.3
Total assets 19,791.2 16,789.3 $ 18,713.5
Operating segment      
Financial information relating to segments      
Net sales 3,170.8 2,641.1  
Cost of sales (exclusive of depreciation, amortization and depletion) 1,377.2 1,198.9  
Selling, general and administrative 28.7 29.1  
Depreciation, amortization and depletion 212.0 200.3  
Exploration 7.5 11.2  
Operating income 1,545.5 1,201.7  
Capital investment 316.1 209.4  
Property and mine development, net 9,562.9 9,372.4  
Total assets 15,695.3 15,788.3  
Corporate, other and eliminations      
Financial information relating to segments      
Net sales (48.9) (41.3)  
Cost of sales (exclusive of depreciation, amortization and depletion) (58.0) (41.3)  
Selling, general and administrative 3.0 1.8  
Depreciation, amortization and depletion 11.7 8.7  
Exploration 4.2 1.5  
Operating income (9.9) (12.0)  
Capital investment 1.7 4.4  
Property and mine development, net 371.7 410.8  
Total assets 4,096.0 1,001.0  
Reportable subsegments      
Financial information relating to segments      
Net sales 3,121.9 2,599.8  
Reportable subsegments | Operating segment      
Financial information relating to segments      
Net sales 3,121.9 2,599.8  
Intersegment sales      
Financial information relating to segments      
Net sales 0.0    
Intersegment sales | Operating segment      
Financial information relating to segments      
Net sales 48.9 41.3  
Intersegment sales | Corporate, other and eliminations      
Financial information relating to segments      
Net sales (48.9) (41.3)  
Mexican Open-pit | Operating segment      
Financial information relating to segments      
Net sales 1,749.4 1,466.0  
Cost of sales (exclusive of depreciation, amortization and depletion) 668.0 594.6  
Selling, general and administrative 16.9 17.1  
Depreciation, amortization and depletion 97.7 99.7  
Exploration 1.3 3.6  
Operating income 965.5 751.0  
Capital investment 134.6 107.1  
Property and mine development, net 4,951.1 4,836.2  
Total assets 9,185.2 9,242.2  
Mexican Open-pit | Reportable subsegments | Operating segment      
Financial information relating to segments      
Net sales 1,749.4 1,466.0  
Mexican IMMSA Unit | Operating segment      
Financial information relating to segments      
Net sales 155.5 146.4  
Cost of sales (exclusive of depreciation, amortization and depletion) 112.0 129.7  
Selling, general and administrative 2.7 2.6  
Depreciation, amortization and depletion 19.8 19.2  
Exploration 2.4 1.8  
Operating income 18.4 (6.8)  
Capital investment 21.4 31.8  
Property and mine development, net 794.9 765.0  
Total assets 1,214.5 1,193.0  
Mexican IMMSA Unit | Reportable subsegments | Operating segment      
Financial information relating to segments      
Net sales 106.5 105.1  
Mexican IMMSA Unit | Intersegment sales | Operating segment      
Financial information relating to segments      
Net sales 48.9 41.3  
Peruvian Operations | Operating segment      
Financial information relating to segments      
Net sales 1,266.0 1,028.7  
Cost of sales (exclusive of depreciation, amortization and depletion) 597.1 474.6  
Selling, general and administrative 9.0 9.4  
Depreciation, amortization and depletion 94.5 81.4  
Exploration 3.8 5.8  
Operating income 561.5 457.5  
Capital investment 160.1 70.5  
Property and mine development, net 3,816.9 3,771.2  
Total assets 5,295.6 5,353.1  
Peruvian Operations | Reportable subsegments | Operating segment      
Financial information relating to segments      
Net sales $ 1,266.0 $ 1,028.7