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Segment, Customers, and Geographic Information - Major Customers' as Percentage of Net Revenue (Detail) (Sales Revenue, Net [Member])
3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Customer A [Member]
   
Revenue, Major Customer [Line Items]    
Percentage of net revenue 24.00% 22.00%
Customer B [Member]
   
Revenue, Major Customer [Line Items]    
Percentage of net revenue   10.00%