Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 30, 2019

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

		Quarter ended
		March 30, 2019		March 31, 2018
		$		$
Changes in non-cash working capital:
	Accounts receivable	4,211		(12,359	)
	Inventories	15,647		18,302
	Income tax recoverable/payable	1,971		3,341
	Prepaid expenses and other current assets	(4,621	)	(5,376	)
	Accounts payable and accrued liabilities	(12,507	)	381
	Customer and other deposits	100		(1,400	)
		4,801		2,889