Enterprise-Wide Disclosures Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area (Detail)	12 Months Ended
	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Segment Reporting Information [Line Items]
Percentage Of Net Sales	100.00%	100.00%	0.00%
Domestic (U.S.)
Segment Reporting Information [Line Items]
Percentage Of Net Sales	72.00%	70.00%	65.00%
Canada
Segment Reporting Information [Line Items]
Percentage Of Net Sales	7.00%	10.00%	16.00%
Foreign
Segment Reporting Information [Line Items]
Percentage Of Net Sales	21.00%	20.00%	19.00%