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Accrued Expenses (Detail) (USD $)
In Thousands, unless otherwise specified
Aug. 03, 2014
Apr. 27, 2014
Jul. 28, 2013
Payables And Accruals [Abstract]      
Compensation, commissions and related benefits $ 4,053 $ 7,388 $ 5,987
Interest 168 71 244
Other accrued expenses 2,144 1,722 2,473
Accrued expenses $ 6,365 $ 9,181 [1] $ 8,704
[1] Derived from audited financial statements.