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Product Warranty - Schedule of Changes in Warranty Liability (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Movement In Standard Product Warranty Accrual [Roll Forward]    
Balance at beginning of period $ 1,070 $ 1,243
Provision for warranties issued 237 114
Warranty claims (251) (167)
Balance at end of period $ 1,056 $ 1,190