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Segment, Customers, and Geographic Information - Major Customers' as Percentage of Net Revenue (Detail) - Sales Revenue, Net [Member] - Customer Concentration Risk [Member]
3 Months Ended 6 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Customer A [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 22.00% 24.00% 21.00% 15.00%
Customer B [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 16.00% 13.00% 19.00% 17.00%
Customer C [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 16.00% 12.00% 17.00%  
Customer D [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 12.00% 12.00% 11.00%