Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Aug. 29, 2018	Aug. 30, 2017	Aug. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (33,568,000)	$ (23,262,000)	$ (10,346,000)
Adjustments to reconcile net loss to net cash provided (used) in operating activities:
Provision for asset impairments and net loss (gain) on property dispositions	3,619,000	8,762,000	734,000
Depreciation and amortization	17,453,000	20,438,000	21,906,000
Amortization of debt issuance cost	534,000	348,000	313,000
Share-based compensation expense	2,144,000	1,561,000	1,477,000
Excess tax deficit from share-based compensation	0	0	119,000
Deferred tax provision	8,192,000	2,792,000	4,707,000
Cash provided (used) in operating activities before changes in operating assets and liabilities	(1,626,000)	10,639,000	18,910,000
Changes in operating assets and liabilities:
Increase in trade accounts and other receivables	(775,000)	(2,092,000)	(744,000)
Decrease (increase) in food and supply inventories	432,000	143,000	(616,000)
Decrease in prepaid expenses and other assets	808,000	504,000	215,000
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(7,292,000)	446,000	(3,906,000)
Net cash provided (used) in operating activities	(8,453,000)	9,640,000	13,859,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from disposal of assets and property held for sale	14,191,000	9,286,000	4,794,000
Insurance proceeds	2,070,000	0	0
Repayment of note receivable	0	0	17,000
Purchases of property and equipment	(13,247,000)	(12,502,000)	(18,253,000)
Net cash provided (used) in investing activities	3,014,000	(3,216,000)	(13,442,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Revolver borrowings	147,600,000	107,800,000	106,000,000
Revolver repayments	(132,000,000)	(140,400,000)	(106,500,000)
Debt issuance costs	(386,000)	(652,000)	(42,000)
Proceeds on term loan	0	35,000,000	0
Term loan repayments	(7,079,000)	(8,415,000)	0
Excess tax deficit from share-based compensation	0	0	(119,000)
Tax paid on equity withheld	(70,000)	0	0
Proceeds received on the exercise of employee stock options	0	0	82,000
Net cash provided (used) in financing activities	8,065,000	(6,667,000)	(579,000)
Net increase (decrease) in cash and cash equivalents	2,626,000	(243,000)	(162,000)
Cash and cash equivalents at beginning of period	1,096,000	1,339,000	1,501,000
Cash and cash equivalents at end of period	3,722,000	1,096,000	1,339,000
Cash paid for:
Income taxes	426,000	411,000	357,000
Interest	$ 2,499,000	$ 1,787,000	$ 1,873,000