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Segment, Customers, and Geographic Information - Major Customer Accounts Receivable as Percentage of Accounts Receivable (Detail) - Accounts Receivable [Member] - Credit Concentration Risk [Member]
9 Months Ended 12 Months Ended
Mar. 31, 2018
Jun. 24, 2017
Customer A [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 16.00% 13.00%
Customer B [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 12.00% 15.00%
Customer C [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 11.00%  
Customer D [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 10.00% 17.00%
Customer E [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage   10.00%