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SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure Of Supplemental cash flow information [Abstract] |
Detailed information about supplemental cash flow information [Text Block] | Supplemental cash flow information (included within operating activities) is as follows:
| Year ended December 31
(in millions of U.S. dollars) | 2018 | 2017
CHANGE IN NON-CASH OPERATING WORKING CAPITAL |  |
Trade and other receivables | (5.4) | 15.6
Inventories | (53.1) | 3.2
Prepaid expenses and other | (0.6) | (1.0)
Trade and other payables | (12.5) | 26.0
Total change in non-cash operating working capital | (71.6) | 43.8
| Year ended December 31
(in millions of U.S. dollars) | 2018 | 2017
OTHER NON-CASH ADJUSTMENTS |  |
Unrealized gain on share purchase warrants | - | (1.2)
Unrealized (gain) loss on concentrate contracts | 0.7 | 1.9
Equity settled share-based payment expense | 2.7 | 5.7
Loss (gain) on disposal of assets | 0.3 | (0.3)
Settlement and (gain) loss on revaluation of gold price option contracts | 4.8 | 6.5
Unrealized (gain) loss on gold stream obligation | (11.7) | 21.8
Unrealized (gain) loss on copper forward contracts and copper price option contracts | (4.8) | 4.4
Inventory write-downs | 15.8 | -
Revaluation of CSP’s reclamation and closure cost obligation | 1.0 | -
Other non-cash adjustments | 0.2 | 0.2
Total other non-cash adjustments | 9.0 | 39.0

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