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Shareholders' Equity and Share-Based Compensation - Schedule of Non-vested Restricted Stock Unit Activity (Parenthetical) (Detail) - Red Bend Ltd. [Member]
12 Months Ended
Jun. 30, 2015
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock units vested 58,137
Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Restricted stock units granted 76,563
Restricted stock units vested 58,137