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SEGMENT AND RELATED INFORMATION: - Receivables (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Financial information related to segments |  |
Trade receivables | $ 1,141.1 | $ 1,394.1
Related parties receivable current: | 27.3 | 33.3
Affiliates |  |
Financial information related to segments |  |
Related parties receivable current: | 27.3 | 33.3
Corporate, other and eliminations | Intersegment sales |  |
Financial information related to segments |  |
Related parties receivable current: | (0.1) | 2.0
Mexican Open-Pit |  |
Financial information related to segments |  |
Trade receivables | 556.3 | 788.1
Related parties receivable current: | 25.7 | 31.1
Mexican IMMSA Unit |  |
Financial information related to segments |  |
Trade receivables | 49.1 | 60.0
Related parties receivable current: | 0.9 | 0.1
Peruvian Operations |  |
Financial information related to segments |  |
Trade receivables | 535.7 | 546.0
Related parties receivable current: | $ 0.8 | $ 0.1

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