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Inventories - Components of Inventories (Detail) - USD ($)
$ in Thousands
Aug. 01, 2015
Jan. 31, 2015
Inventory Disclosure [Abstract]    
Raw materials (1) $ 1,203 $ 5,542
Work in process 0 470
Finished goods 102,718 92,391
Total inventories $ 103,921 $ 98,403