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v3.20.1

Provisions (Tables) | 12 Months Ended
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Dec. 31, 2019
Provisions [Abstract] |
Roll Forward of provisions for reclamation and waste disposal |
|  | Reclamation | Waste disposal |  | Total
Beginning of year | $ | 1,053,892 |  | $ | 9,460 |  | $ | 1,063,352
Changes in estimates and discount rates [note 8] |  |  |  |  |  |  |  |
| Capitalized in property, plant and equipment |  | 22,151 |  |  | - |  |  | 22,151
| Recognized in earnings |  | 2,732 |  |  | 645 |  |  | 3,377
Provisions used during the period |  | (31,933) |  |  | (457) |  |  | (32,390)
Unwinding of discount [note 19] |  | 20,634 |  |  | 155 |  |  | 20,789
Effect of movements in exchange rates |  | (16,801) |  |  | - |  |  | (16,801)
End of period | $ | 1,050,675 |  | $ | 9,803 |  | $ | 1,060,478
Current | $ | 54,806 |  | $ | 1,442 |  | $ | 56,248
Non-current |  | 995,869 |  |  | 8,361 |  |  | 1,004,230
|  | $ | 1,050,675 |  | $ | 9,803 |  | $ | 1,060,478
Reclamation provisions |
|  | 2019 |  |  | 2018
Uranium | $ | 831,352 |  | $ | 828,781
Fuel services |  | 219,323 |  |  | 225,111
Total | $ | 1,050,675 |  | $ | 1,053,892

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