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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INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011	Apr. 28, 2012
Income Tax Disclosure [Abstract]
Valuation allowances against deferred tax assets	$ 49,995		$ 49,995		$ 57,279
Income tax expense	3,234	2,221	3,664	2,243
Effective income tax rate	12.20%	90.10%	11.90%	57.50%
Unrecognized tax benefits, income tax penalties and interest accrued	62		62
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at July 28,2012	66		66
Lapse in Applicable Statute of Limitations
Income Tax Contingency [Line Items]
Recognition of uncertain tax positions w/in 12 months, approximate amount	$ 37		$ 37