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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. 27, 2020
Jun. 29, 2019
Jun. 30, 2018
Customer A [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage 18.00%    
Customer B [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage 12.00%   12.00%
Customer C [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage   15.00% 15.00%
Customer D [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage   14.00%  
Customer E [Member]      
Revenue, Major Customer [Line Items]      
Concentration Risk, Percentage   10.00%