Fair Value Measurements - Non-recurring Fair Value Measurements Related to Impaired Property and Equipment (Details) - USD ($)	3 Months Ended		5 Months Ended	6 Months Ended
	Mar. 09, 2016	Feb. 11, 2015	Feb. 11, 2015	Mar. 09, 2016	Aug. 26, 2015	Aug. 27, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Nonrecurring Fair Value Measurements, Total Impairments	$ (37,000)	$ (218,000)	$ (218,000)	$ (37,000)
Goodwill, carrying value	1,605,000			1,605,000	$ 1,643,000
Property and equipment, net	198,697,000			198,697,000	200,202,000
Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	1,605,000	1,643,000	1,643,000	1,605,000
Goodwill, Total Impairments			(38,000)	(38,000)
Total Nonrecurring Fair Value Measurements	1,605,000	2,966,000	2,966,000	1,605,000
Total Nonrecurring Fair Value Measurements, Total Impairments			(218,000)	(38,000)
Goodwill, carrying value					$ 1,643,000	$ 1,700,000
Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	0	0	0	0
Total Nonrecurring Fair Value Measurements	0	0	0	0
Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	0	0	0	0
Total Nonrecurring Fair Value Measurements	0	0	0	0
Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	1,605,000	1,643,000	1,643,000	1,605,000
Total Nonrecurring Fair Value Measurements	1,605,000	2,966,000	2,966,000	1,605,000
Company Owned Restaurants [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, net						$ 1,500,000
Company Owned Restaurants [Member] | Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	1,323,000	1,323,000	0
Property and equipment related to company-owned restaurants, Total Impairments			(180,000)	0
Company Owned Restaurants [Member] | Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	0	0	0
Company Owned Restaurants [Member] | Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	0	0	0
Company Owned Restaurants [Member] | Continuing Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	1,323,000	1,323,000	0
Company Owned Restaurants [Member] | Discontinued Operations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, net	1,900,000			1,900,000
Company Owned Restaurants [Member] | Discontinued Operations [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	0	0	0
Property and equipment related to company-owned restaurants, Total Impairments			0	0
Company Owned Restaurants [Member] | Discontinued Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	0	0	0
Company Owned Restaurants [Member] | Discontinued Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	0	0	0	0
Company Owned Restaurants [Member] | Discontinued Operations [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment related to company-owned restaurants	$ 0	$ 0	$ 0	$ 0