Condensed Consolidated Balance Sheets (USD $)	Sep. 03, 2013	Dec. 25, 2012
Current assets:
Cash and cash equivalents	$ 8,711,000	$ 10,763,000
Restricted cash	215,000	215,000
Inventory	12,555,000	12,103,000
Income taxes receivable	1,993,000
Deferred income taxes	2,672,000	2,067,000
Lease incentives receivable	2,205,000	3,092,000
Prepaid expenses and other	3,259,000	4,758,000
Total current assets	31,610,000	32,998,000
Property and equipment, net	115,786,000	105,568,000
Goodwill	75,365,000	75,365,000
Intangible assets, net	36,343,000	36,391,000
Deferred compensation plan investments	9,591,000	7,802,000
Other assets	268,000	261,000
Total assets	268,963,000	258,385,000
Current liabilities:
Accounts payable	4,974,000	8,804,000
Accrued payroll	4,331,000	6,262,000
Accrued self-insurance	1,799,000	1,662,000
Deferred revenue	8,017,000	10,314,000
Income taxes payable		1,768,000
Other current liabilities	4,042,000	4,943,000
Total current liabilities	23,163,000	33,753,000
Deferred rent obligations	24,385,000	22,644,000
Deferred tax liabilities	14,823,000	10,792,000
Other liabilities	14,507,000	13,295,000
Total liabilities	76,878,000	80,484,000
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value, 10,000,000 shares authorized, no shares issued and outstanding at December 25, 2012 or September 3, 2013 (unaudited)
Common stock, $0.001 par value, 190,000,000 shares authorized, 23,794,667 and 23,811,692 shares issued and outstanding at December 25, 2012, and September 3, 2013 (unaudited)	24,000	24,000
Additional paid in capital	126,174,000	119,610,000
Retained earnings	65,887,000	58,267,000
Total stockholders' equity	192,085,000	177,901,000
Total liabilities and stockholders' equity	$ 268,963,000	$ 258,385,000