Summary of Results from Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jul. 28, 2012	Jul. 30, 2011	Jul. 28, 2012	Jul. 30, 2011
Discontinued Operations [Line Items]
Sales	$ 439	$ 499	$ 813	$ 940
Gross margin	(218)	133	(84)	306
Selling, general and administrative expenses	(1,534)	(704)	(1,845)	(1,256)
Depreciation and amortization	(4)	(4)	(8)	(8)
Benefit from income taxes
Loss from discontinued operations, net of taxes	$ (1,756)	$ (575)	$ (1,937)	$ (958)

Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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+ Details

- Definition

Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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