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Restructuring Charges - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 02, 2015	May 03, 2014
Restructuring Cost and Reserve [Line Items]
Costs associated with restructuring activities	$ 0us-gaap_RestructuringCharges	$ 0us-gaap_RestructuringCharges

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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