INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Jul. 27, 2013	Jul. 28, 2012	Apr. 27, 2013
Income Tax Disclosure [Abstract]
Valuation allowances against deferred tax assets	$ 44,508		$ 42,436
Income tax expense	1,299	430
Effective income tax rate	8.70%	10.00%
Unrecognized tax benefits, income tax penalties and interest accrued	60
Total unrecognized tax benefit	393
Change in unrecognized tax benefits	$ 0

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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