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Inventories (Tables) | 12 Months Ended
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Dec. 30, 2017
Inventory Disclosure [Abstract] |
Schedule of Inventory, Current [Table Text Block] |
|  |  |  | December 30, 2017 | December 31, 2016
|  |  |  | $ | $
Raw materials and work-in-process | 262,527 | 266,072
Finished goods | 92,489 | 101,585
Company-owned grain | 9,937 | 15,027
Inventory reserve | (9,975) | (14,202)
|  |  |  | 354,978 | 368,482
The change in the inventory reserve for the years ended December 30, 2017 and December 31, 2016 is comprised as follows:
|  |  |  | December 30, 2017 | December 31, 2016
|  |  |  | $ | $
Balance, beginning of year | 14,202 | 6,774
Additions to reserve during the year | 10,278 | 14,029
Reserves applied and inventories written off during the year | (14,367) | (6,532)
Effect of foreign exchange rate differences | (138) | (69)
Balance, end of year | 9,975 | 14,202

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