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RECLAMATION AND CLOSURE COST OBLIGATIONS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
RECLAMATION AND CLOSURE COST OBLIGATIONS |  |
Beginning Balance | $ 92.6 | $ 124.1
Reclamation and closure costs paid | (8.8) | (1.2)
Unwinding of discount | 2.7 | 2.4
Revisions to expected cash flows | 16.0 | (6.3)
Foreign exchange movement | 4.5 | (6.4)
Less: amounts reclassified as held for sale and sold |  | (20.0)
Ending Balance | 107.0 | 92.6
Less: current portion of closure costs | (12.3) | (6.5)
Non-current portion of closure costs | 94.7 | 86.1
Rainy River |  |
RECLAMATION AND CLOSURE COST OBLIGATIONS |  |
Beginning Balance | 53.6 | 63.4
Reclamation and closure costs paid | (0.2) | (0.3)
Unwinding of discount | 1.1 | 1.5
Revisions to expected cash flows | 9.7 | (6.1)
Foreign exchange movement | 2.8 | (4.9)
Less: amounts reclassified as held for sale and sold |  | 0.0
Ending Balance | 67.0 | 53.6
Less: current portion of closure costs | (1.4) | 0.0
Non-current portion of closure costs | 65.6 | 53.6
New Afton |  |
RECLAMATION AND CLOSURE COST OBLIGATIONS |  |
Beginning Balance | 10.7 | 11.6
Reclamation and closure costs paid | 0.0 | 0.0
Unwinding of discount | 0.2 | 0.2
Revisions to expected cash flows | 6.4 | (0.3)
Foreign exchange movement | 0.7 | (0.8)
Less: amounts reclassified as held for sale and sold |  | 0.0
Ending Balance | 18.0 | 10.7
Less: current portion of closure costs | 0.0 | 0.0
Non-current portion of closure costs | 18.0 | 10.7
Mesquite [Member] |  |
RECLAMATION AND CLOSURE COST OBLIGATIONS |  |
Beginning Balance | 0.0 | 20.5
Reclamation and closure costs paid | 0.0 | 0.0
Unwinding of discount | 0.0 | 0.4
Revisions to expected cash flows | 0.0 | (0.9)
Foreign exchange movement | 0.0 | 0.0
Less: amounts reclassified as held for sale and sold |  | (20.0)
Ending Balance | 0.0 | 0.0
Less: current portion of closure costs | 0.0 | 0.0
Non-current portion of closure costs | 0.0 | 0.0
Cerro San Pedro |  |
RECLAMATION AND CLOSURE COST OBLIGATIONS |  |
Beginning Balance | 20.0 | 19.2
Reclamation and closure costs paid | (8.6) | (0.9)
Unwinding of discount | 1.2 | 0.1
Revisions to expected cash flows | (0.6) | 1.5
Foreign exchange movement | 0.6 | 0.1
Less: amounts reclassified as held for sale and sold |  | 0.0
Ending Balance | 12.6 | 20.0
Less: current portion of closure costs | (10.9) | (6.5)
Non-current portion of closure costs | 1.7 | 13.5
Blackwater |  |
RECLAMATION AND CLOSURE COST OBLIGATIONS |  |
Beginning Balance | 8.3 | 9.4
Reclamation and closure costs paid | 0.0 | 0.0
Unwinding of discount | 0.2 | 0.2
Revisions to expected cash flows | 0.5 | (0.5)
Foreign exchange movement | 0.4 | (0.8)
Less: amounts reclassified as held for sale and sold |  | 0.0
Ending Balance | 9.4 | 8.3
Less: current portion of closure costs | 0.0 | 0.0
Non-current portion of closure costs | $ 9.4 | $ 8.3

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