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REVENUE: - Receivables by reporting segment (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) T | Dec. 31, 2023 USD ($)
Opening and closing balances of receivables |  |
Trade receivables | $ 1,293.9 | $ 1,141.1
Related parties, current | $ 23.2 | 27.3
Corporate, other and eliminations |  |
Opening and closing balances of receivables |  |
Related parties, current |  | (0.1)
Copper concentrates |  |
Long Term Contracts |  |
Long term contracts | T | 180,000 |
Copper cathodes |  |
Long Term Contracts |  |
Long term contracts | T | 48,000 |
Molybdenum concentrates |  |
Long Term Contracts |  |
Long term contracts | T | 18,970 |
Sulfuric acid |  |
Long Term Contracts |  |
Long term contracts | T | 346,276 |
Mexican Open-Pit | Operating segment |  |
Opening and closing balances of receivables |  |
Trade receivables | $ 708.1 | 556.3
Related parties, current | 20.8 | 25.7
Mexican IMMSA Unit | Operating segment |  |
Opening and closing balances of receivables |  |
Trade receivables | 47.7 | 49.1
Related parties, current | 2.2 | 0.9
Peruvian Operations | Operating segment |  |
Opening and closing balances of receivables |  |
Trade receivables | 538.1 | 535.7
Related parties, current | $ 0.2 | $ 0.8

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