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Inventories
6 Months Ended
Jul. 03, 2021
Inventory Disclosure [Abstract]  
Inventories [Text Block]

6.  Inventories 

    July 3, 2021     January 2, 2021  
    $     $  
Raw materials and work-in-process   135,892     78,210  
Finished goods   98,848     75,280  
Inventory reserves   (4,884 )   (5,742 )
    229,856     147,748