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Valuation and Qualifying Accounts (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Allowance for doubtful accounts and sales returns [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at the beginning of the year $ 1,922 $ 2,026 $ 2,807
Charged to expenses/against revenue 923 322 97
Write-offs net of recoveries (781) (426) (878)
Balance at the end of the year 2,064 1,922 2,026
Deferred tax asset valuation allowance [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at the beginning of the year 68,172 2,026  
Charged to expenses/against revenue 5,069 67,225 947
Balance at the end of the year $ 73,241 $ 68,172 $ 2,026