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Share-Based Compensation - Schedule of Share Based Payment Award Stock Options Valuation Assumptions (Detail)
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Risk-Free Interest Rate, Minimum 1.36% 1.45%
Risk-Free Interest Rate, Maximum 1.92% 2.01%
Expected term 6 years 6 months 6 years 6 months
Expected Volatility, Minimum 46.60% 55.58%
Expected Volatility, Maximum 53.49% 62.56%
Expected dividend yield 0.00% 0.00%