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Commitments And Contingencies (Narrative) (Detail) (USD $)
6 Months Ended
Dec. 29, 2012
Jun. 30, 2012
Dec. 29, 2012
Purchase Commitment
Dec. 29, 2012
Maximum
Purchase Commitment, Excluding Long-term Commitment [Line Items]        
Commitments to suppliers for capital expenditures     $ 100,000  
Terms of lease agreements       10 years
Warranty reserve $ 11,000 $ 23,000