Acquisition (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 27, 2014	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015	Sep. 03, 2014
Business Acquisition [Line Items]
Purchase Price, Net of Cash Received		$ 0	$ 0	$ 47,964,000
Goodwill		$ 9,957,000	$ 9,957,000
Ayrshire
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 48,010,000
Business Combination, Acquisition Related Costs	775,000
Cash Acquired	(46,000)
Purchase Price, Net of Cash Received	$ 47,964,000
Cash					$ 46,000
Accounts Receivable					21,211,000
Inventories					21,772,000
Other Current Assets					1,013,000
Property, Plant and Equipment					7,823,000
Favorable Leases					2,941,000
Customer Relationships					2,833,000
Non-Compete Agreements					196,000
Goodwill					8,217,000
Other Assets					42,000
Accounts Payable					(11,070,000)
Accrued Salaries and Wages					(2,188,000)
Other Current Liabilities					(2,408,000)
Deferred Tax Liability					(2,418,000)
Fair value of assets acquired					$ 48,010,000