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Enterprise-Wide Disclosures (Percentage Of Net Sales To And Trade Accounts Receivables From Significant Customers) (Detail)
12 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Jul. 02, 2016
Customer A [Member]      
Segment Reporting Information [Line Items]      
Percent of Net Sales 19.00% 18.00% 18.00%
Percentage of Trade Accounts Receivable 17.00% 30.00%  
Customer B [Member]      
Segment Reporting Information [Line Items]      
Percentage of Trade Accounts Receivable 12.00% 10.00%  
Customer C [Member]      
Segment Reporting Information [Line Items]      
Percentage of Trade Accounts Receivable 10.00%