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Reclamation and closure cost obligations (Tables) | 12 Months Ended
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Dec. 31, 2024
RECLAMATION AND CLOSURE COST OBLIGATIONS [Abstract] |
Schedule of reclamation and closure cost obligations | Changes to the reclamation and closure cost obligations are as follows:
(in millions of U.S. dollars) | Rainy River | New Afton | Cerro San Pedro | Total
CHANGES TO RECLAMATION AND CLOSURE COST OBLIGATIONS
Balance – December 31, 2022 | 87.6 |  | 32.3 |  | 1.3 |  | 121.2 |
Reclamation expenditures | (0.5) |  | — |  | (1.9) |  | (2.4) |
Unwinding of discount | 2.7 |  | 0.9 |  | — |  | 3.6 |
Revisions to expected cash flows | (0.8) |  | (0.8) |  | 0.8 |  | (0.8) |
Foreign exchange movement | 2.0 |  | 0.7 |  | (0.1) |  | 2.6 |
Balance – December 31, 2023 | 91.0 |  | 33.1 |  | 0.1 |  | 124.2 |
Less: current portion of closure costs (Note 6) | (0.8) |  | — |  | — |  | (0.8) |
Non-current portion of closure costs | 90.2 |  | 33.1 |  | 0.1 |  | 123.4 |
Balance – December 31, 2023 | 91.0 |  | 33.1 |  | 0.1 |  | 124.2 |
Reclamation expenditures | (0.4) |  | — |  | (0.1) |  | (0.5) |
Unwinding of discount | 2.7 |  | 0.9 |  | — |  | 3.6 |
Revisions to expected cash flows | (1.2) |  | 3.1 |  | — |  | 1.9 |
Foreign exchange movement | (7.1) |  | (2.7) |  | — |  | (9.8) |
Balance – December 31, 2024 | 85.0 |  | 34.4 |  | — |  | 119.4 |
Less: current portion of closure costs (Note 6) | (1.3) |  | (0.3) |  | — |  | (1.6) |
Non-current portion of closure costs | 83.7 |  | 34.1 |  | — |  | 117.8 |

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