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Inventories (Tables)
9 Months Ended
Oct. 31, 2020
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of the following (in thousands):
 Oct 31, 2020Feb 1, 2020
Raw materials$201 $399 
Work in progress43 52 
Finished goods392,918 392,678 
 $393,162 $393,129