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Inventories (Tables)
6 Months Ended
Jul. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of the following (in thousands):
 Jul 31, 2021Jan 30, 2021
Raw materials$990 $53 
Work in progress33 43 
Finished goods429,266 389,048 
 $430,289 $389,144