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Inventories - Components of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	May 02, 2015	Jan. 31, 2015
Inventory Disclosure [Abstract]
Materials and Supplies	$ 9,487us-gaap_InventoryRawMaterials	$ 10,600us-gaap_InventoryRawMaterials
Work-in-Progress	1,250us-gaap_InventoryWorkInProcess	765us-gaap_InventoryWorkInProcess
Finished Goods	7,229us-gaap_InventoryFinishedGoods	7,372us-gaap_InventoryFinishedGoods
Inventory, Gross	17,966us-gaap_InventoryGross	18,737us-gaap_InventoryGross
Inventory Reserve	(3,478)us-gaap_InventoryValuationReserves	(3,155)us-gaap_InventoryValuationReserves
Balance at March 2	$ 14,488us-gaap_InventoryNet	$ 15,582us-gaap_InventoryNet

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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