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Supplemental Cash Flow Information
6 Months Ended
Jun. 29, 2019
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information [Text Block]
14 .

Supplemental Cash Flow Information


          Quarter ended     Two quarters ended  
    June 29, 2019     June 30, 2018     June 29, 2019     June 30, 2018  
    $     $     $     $  
Changes in non-cash working capital:                        
     Accounts receivable   1,525     5,398     5,736     (6,961 )
     Inventories   (45,868 )   (53,256 )   (30,221 )   (34,954 )
     Income tax recoverable/payable   (2,819 )   (1,134 )   (848 )   2,207  
     Prepaid expenses and other current assets   (3,350 )   4,322     (7,971 )   (1,054 )
     Accounts payable and accrued liabilities   19,348     5,650     6,841     6,031  
     Customer and other deposits   (825 )   696     (725 )   (704 )
    (31,989 )   (38,324 )   (27,188 )   (35,435 )