Condensed Consolidated Balance Sheets (As Restated [Member], USD $) In Thousands, unless otherwise specified	Sep. 23, 2012	Dec. 25, 2011
As Restated [Member]
Current assets:
Cash and cash equivalents	$ 25,353	$ 18,942
Accounts receivable, net	33,072	28,169
Notes receivable, net	4,245	4,221
Inventories	21,419	20,091
Deferred income taxes	8,409	7,636
Prepaid expenses	7,444	10,210
Other current assets	5,728	5,555
Total current assets	105,670	94,824
Property and equipment, net	185,596	181,910
Notes receivable, less current portion, net	12,757	11,502
Goodwill	78,971	75,085
Other assets	29,485	27,061
Total assets	412,479	390,382
Current liabilities:
Accounts payable	34,072	32,966
Income and other taxes payable	10,217	3,969
Accrued expenses and other current liabilities	53,026	44,198
Total current liabilities	97,315	81,133
Deferred revenue	8,019	4,780
Long-term debt	50,000	51,489
Deferred income taxes	7,830	6,692
Other long-term liabilities	40,488	36,676
Total liabilities	203,652	180,770
Redeemable noncontrolling interests	4,820	3,965
Stockholders' equity:
Preferred stock
Common stock	371	367
Additional paid-in capital	277,811	262,456
Accumulated other comprehensive income	2,856	1,849
Retained earnings	339,102	294,801
Treasury stock	(416,133)	(353,826)
Total stockholders' equity	204,007	205,647
Total liabilities, redeemable noncontrolling interests and stockholders' equity	$ 412,479	$ 390,382