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Investment - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Jun. 30, 2015
Schedule Of Equity Method Investments [Line Items]          
Total carrying value of investment $ 12,567   $ 12,567   $ 11,914
Pro-rata share of earnings $ 200 $ 200 $ 653 $ 707  
Guangdong Fuxin Electronic Technology          
Schedule Of Equity Method Investments [Line Items]          
Equity method investment, ownership percentage 20.20%   20.20%