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Intangible Assets, Net and Goodwill - Amortization Expense (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Goodwill And Intangible Assets Disclosure [Abstract]    
2018 $ 2,310  
2019 863  
2020 762  
2021 170  
Net Carrying Amount $ 4,105 $ 10,081