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Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Jul. 28, 2013
Apr. 28, 2013
Jul. 29, 2012
Other Assets Noncurrent [Line Items]      
Cash surrender value - life insurance $ 622 $ 625  
Non-compete agreement 1,061 185  
Customer relationships 855    
Other 335 341  
Other assets $ 2,873 $ 1,151 [1] $ 1,890
[1] Derived from audited financial statements.