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Balance Sheet Detail - Schedule of Changes in Warranty Liability (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Movement In Standard Product Warranty Accrual [Roll Forward]    
Balance at beginning of period $ 1,070 $ 1,243
Warranty expense 531 376
Warranty claims (704) (549)
Balance at end of period $ 897 $ 1,070