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RECLAMATION AND CLOSURE COST OBLIGATIONS (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of reclamation and closure cost obligations [Abstract] |
Detailed information about reclamation and closure cost obligations [Text Block] | Changes to the reclamation and closure cost obligations are as follows:
(in millions of U.S. dollars) | Rainy River | New Afton | Mesquite | Peak Mines | Cerro San Pedro | Blackwater | Total
Changes to reclamation and closure cost obligations |  |  |
Balance – December 31, 2015 | 7.9 | 7.4 | 13.2 | 14.2 | 17.8 | 8.3 | 68.8
Reclamation expenditures | - | - | - | - | (2.6) | - | (2.6)
Unwinding of discount | 0.2 | 0.1 | 0.2 | 0.3 | 0.7 | 0.2 | 1.7
Revisions to expected cash flows | 11.8 | (0.1) | 0.2 | (0.7) | 4.2 | 0.1 | 15.5
Foreign exchange movement | 0.1 | 0.2 | - | (0.1) | (2.0) | 0.3 | (1.5)
Balance – December 31, 2016 | 20.0 | 7.6 | 13.6 | 13.7 | 18.1 | 8.9 | 81.9
Less: current portion of closure costs (Note 8) | - | - | - | (0.1) | (0.8) | - | (0.9)
Non-current portion of closure costs | 20.0 | 7.6 | 13.6 | 13.6 | 17.3 | 8.9 | 81.0
Balance – December 31, 2016 | 20.0 | 7.6 | 13.6 | 13.7 | 18.1 | 8.9 | 81.9
Reclamation expenditures | - | (0.2) | - | (0.1) | (1.0) | (0.1) | (1.4)
Unwinding of discount | 0.4 | 0.2 | 0.3 | 0.4 | 0.2 | 0.2 | 1.7
Revisions to expected cash flows | 41.4 | 3.2 | 6.6 | 3.1 | 1.2 | (0.3) | 55.2
Foreign exchange movement | 1.6 | 0.8 | - | 1.1 | 0.7 | 0.7 | 4.9
Less: amounts reclassified as held for sale | - | - | - | (18.2) | - | - | (18.2)
Balance – December 31, 2017 | 63.4 | 11.6 | 20.5 | - | 19.2 | 9.4 | 124.1
Less: current portion of closure costs (Note 8) | - | - | (0.2) | - | (2.4) | - | (2.6)
Non-current portion of closure costs | 63.4 | 11.6 | 20.3 | - | 16.8 | 9.4 | 121.5

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- Definition The detailed information about reclamation and closure cost obligations. + References No definition available. + Details
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- References No definition available. + Details
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