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Enterprise-Wide Disclosures (Percentage Of Net Sales To And Trade Accounts Receivables From Significant Customers) (Detail) - Customer A [Member]
12 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jun. 27, 2015
Segment Reporting Information [Line Items]      
Percent of Net Sales 18.00% 18.00% 17.00%
Percentage of Trade Accounts Receivable 30.00% 24.00%