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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 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Customer A [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 27.00% 18.00% 21.00% 18.00%
Customer B [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 19.00% 18.00% 21.00% 16.00%
Customer C [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage 14.00% 11.00% 16.00%  
Customer D [Member]        
Revenue, Major Customer [Line Items]        
Concentration Risk, Percentage   18.00%   11.00%