Goodwill and Other Intangible Assets (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Jun. 27, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 9,957,000		$ 9,957,000
Amortization of Intangible Assets	281,000	$ 139,000
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,312,000		8,312,000
Accumulated Amortization	(1,538,000)		(1,257,000)
Net Carrying Amount	6,774,000		7,055,000
Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	568,000		568,000
Accumulated Amortization	(238,000)		(204,000)
Net Carrying Amount	$ 330,000		$ 364,000
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Amortization Period in Years	10 years		10 years
Gross Carrying Amount	$ 4,803,000		$ 4,803,000
Accumulated Amortization	(750,000)		(630,000)
Net Carrying Amount	4,053,000		4,173,000
Favorable Lease Agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,941,000		2,941,000
Accumulated Amortization	(550,000)		(423,000)
Net Carrying Amount	$ 2,391,000		$ 2,518,000
Minimum | Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Amortization Period in Years	3 years
Minimum | Favorable Lease Agreements
Finite-Lived Intangible Assets [Line Items]
Amortization Period in Years	4 years
Maximum | Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Amortization Period in Years	5 years
Maximum | Favorable Lease Agreements
Finite-Lived Intangible Assets [Line Items]
Amortization Period in Years	7 years