Goodwill and Other Intangible Assets (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Jul. 02, 2016
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 9,957,000		$ 9,957,000
Amortization of Intangible Assets	282,000	$ 282,000
Finite-lived Intangible Assets [Roll Forward]
Gross Carrying Amount	8,312,000		8,312,000
Accumulated Amortization	(2,666,000)		(2,384,000)
Net Carrying Amount	5,646,000		5,928,000
Non-Compete Agreements
Finite-lived Intangible Assets [Roll Forward]
Gross Carrying Amount	568,000		568,000
Accumulated Amortization	(378,000)		(343,000)
Net Carrying Amount	$ 190,000		$ 225,000
Customer Relationships
Finite-lived Intangible Assets [Roll Forward]
Amortization Period in Years	10 years		10 years
Gross Carrying Amount	$ 4,803,000		$ 4,803,000
Accumulated Amortization	(1,230,000)		(1,110,000)
Net Carrying Amount	3,573,000		3,693,000
Favorable Lease Agreements
Finite-lived Intangible Assets [Roll Forward]
Gross Carrying Amount	2,941,000		2,941,000
Accumulated Amortization	(1,058,000)		(931,000)
Net Carrying Amount	$ 1,883,000		$ 2,010,000
Minimum | Non-Compete Agreements
Finite-lived Intangible Assets [Roll Forward]
Amortization Period in Years	3 years
Minimum | Favorable Lease Agreements
Finite-lived Intangible Assets [Roll Forward]
Amortization Period in Years	4 years
Maximum | Non-Compete Agreements
Finite-lived Intangible Assets [Roll Forward]
Amortization Period in Years	5 years
Maximum | Favorable Lease Agreements
Finite-lived Intangible Assets [Roll Forward]
Amortization Period in Years	7 years