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Segment, Customers, and Geographic Information - Major Customers' Revenue as a Percentage of Total Net Revenue (Detail) - Sales Revenue, Net [Member] - Customer Concentration Risk [Member]
12 Months Ended
Jun. 30, 2018
Jun. 24, 2017
Jun. 25, 2016
Customer A [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage 15.00% 24.00% 20.00%
Customer B [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage 12.00%    
Customer C [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage   19.00% 21.00%
Customer D [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage   10.00%  
Customer E [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage     15.00%