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Balance Sheet Components - Schedule of Prepaid Expenses and Other Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2015
Jun. 30, 2014
Prepaid Expense and Other Assets, Current [Abstract]    
Income tax receivable $ 9,719 $ 9,333
Prepaid expenses 1,571 1,649
Other assets 213 665
Total prepaid expenses and other assets $ 11,503 $ 11,647