INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Apr. 28, 2012
Income Tax Disclosure [Abstract]
Valuation allowances against deferred tax assets	$ 60,085		$ 57,279
Income tax expense	430	22
Effective income tax rate	10.00%	1.40%
Unrecognized tax benefits, income tax penalties and interest accrued	60
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at April 28, 2012	66
Increases for positions related to the current year	0
Decreases for positions related to the prior years	0
Settlements	0
Lapsing of statutes of limitations	0
Balance at July 28,2012	66
Lapse in Applicable Statute of Limitations
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Recognition of uncertain tax positions w/in 12 months, approximate amount	$ 37