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Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Jul. 28, 2013
Apr. 28, 2013
Jul. 29, 2012
Schedule of Accrued Liabilities [Line Items]      
Compensation, commissions and related benefits $ 5,987 $ 9,831  
Interest 244 111  
Other accrued expenses 2,473 1,887  
Accrued expenses $ 8,704 $ 11,829 [1] $ 8,366
[1] Derived from audited financial statements.