Summary of Results from Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 28, 2012
Discontinued Operations [Line Items]
Sales	$ 374
Gross margin	134
Selling, general and administrative expenses	311
Depreciation and amortization	4
Benefit from income taxes
Loss from discontinued operations, net of taxes	$ 181

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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