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Inventories (Details) - USD ($)
$ in Thousands
Oct. 31, 2020
Feb. 01, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 201 $ 399
Work in progress 43 52
Finished goods 392,918 392,678
Inventories 393,162 393,129
Allowance to write down inventories to the lower of cost or net realizable value $ 42,100 $ 24,500