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OTHER ASSETS (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
OTHER ASSETS |  |
Federal, provincial and other sales taxes receivable | $ 83,593 | $ 77,380
Prepaid expenses | 53,503 | 47,416
Other | 13,530 | 12,014
Total other current assets | 150,626 | 136,810
Non-current ore in stockpiles and on leach pads | 69,587 | 62,780
Other assets | 10,318 | 11,383
Total other assets | $ 79,905 | $ 74,163

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