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Stock Benefit Plans - Schedule of Total Intrinsic Value, Cash Received and Actual Tax Benefit of All Options Exercised (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Intrinsic value $ 1 $ 131
Cash received $ 26 $ 975