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Segment, Customers, and Geographic Information - Major Customers' as Percentage of Net Revenue (Parenthetical) (Detail) - Customer Concentration Risk [Member] - Sales Revenue, Net [Member]
3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Customer B [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 21.00%  
Customer B [Member] | Maximum [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage   10.00%
Customer C [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 18.00%  
Customer C [Member] | Maximum [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage   10.00%