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Inventory - Schedule of Inventories (Detail) (USD $) In Thousands, unless otherwise specified | May 02, 2015 | Jan. 31, 2015
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Inventory Disclosure [Abstract] |  |
Finished goods | $ 41,212 us-gaap_InventoryFinishedGoods | $ 37,395 us-gaap_InventoryFinishedGoods
Raw materials |  | 24 us-gaap_InventoryRawMaterials
Total inventories, net | 41,212 us-gaap_InventoryNet | 37,419 us-gaap_InventoryNet
Net of reserves of | $ 8,958 us-gaap_InventoryValuationReserves | $ 6,471 us-gaap_InventoryValuationReserves

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