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v3.19.1

Provisions (Tables) | 12 Months Ended
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Dec. 31, 2018
Provisions [Abstract] |
Roll Forward of provisions for reclamation and waste disposal |
|  | Reclamation | Waste disposal |  | Total
Beginning of year | $ | 905,400 |  | $ | 8,140 |  | $ | 913,540
Changes in estimates and discount rates [note 8] |  |  |  |  |  |  |  |
| Capitalized in property, plant and equipment |  | 72,701 |  |  | - |  |  | 72,701
| Recognized in earnings |  | 59,616 |  |  | 1,690 |  |  | 61,306
Change to equity accounting [note 11] |  | (3,049) |  |  | - |  |  | (3,049)
Provisions used during the period |  | (30,771) |  |  | (540) |  |  | (31,311)
Unwinding of discount [note 19] |  | 23,511 |  |  | 170 |  |  | 23,681
Effect of movements in exchange rates |  | 26,484 |  |  | - |  |  | 26,484
End of period | $ | 1,053,892 |  | $ | 9,460 |  | $ | 1,063,352
Current | $ | 51,171 |  | $ | 1,145 |  | $ | 52,316
Non-current |  | 1,002,721 |  |  | 8,315 |  |  | 1,011,036
|  | $ | 1,053,892 |  | $ | 9,460 |  | $ | 1,063,352
Reclamation provisions |
|  | 2018 |  |  | 2017
Uranium | $ | 828,781 |  | $ | 669,835
Fuel services |  | 225,111 |  |  | 235,565
Total | $ | 1,053,892 |  | $ | 905,400

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