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Inventories
9 Months Ended
Oct. 02, 2021
Inventory Disclosure [Abstract]  
Inventories [Text Block]

6.  Inventories 

    October 2,
2021
    January 2,
2021
 
    $     $  
Raw materials and work-in-process   133,707     78,210  
Finished goods   100,557     75,280  
Inventory reserves   (3,373 )   (5,742 )
    230,891     147,748