Condensed Consolidated Balance Sheets (As Restated [Member], USD $) In Thousands, unless otherwise specified	Mar. 25, 2012	Dec. 25, 2011
As Restated [Member]
Current assets:
Cash and cash equivalents	$ 45,112	$ 18,942
Accounts receivable, net	30,251	28,169
Notes receivable, net	4,278	4,221
Inventories	18,969	20,091
Deferred income taxes	6,858	7,636
Prepaid expenses	9,395	10,210
Other current assets	4,342	5,555
Total current assets	119,205	94,824
Property and equipment, net	184,167	181,910
Notes receivable, less current portion, net	11,498	11,502
Goodwill	75,328	75,085
Other assets	26,407	27,061
Total assets	416,605	390,382
Current liabilities:
Accounts payable	34,953	32,966
Income and other taxes payable	13,819	3,969
Accrued expenses and other current liabilities	46,468	44,198
Total current liabilities	95,240	81,133
Deferred revenue	8,478	4,780
Long-term debt	50,000	51,489
Deferred income taxes	4,954	6,692
Other long-term liabilities	38,985	36,676
Total liabilities	197,657	180,770
Redeemable noncontrolling interests	4,777	3,965
Stockholders' equity:
Preferred stock
Common stock	368	367
Additional paid-in capital	266,783	262,456
Accumulated other comprehensive income	2,060	1,849
Retained earnings	311,782	294,801
Treasury stock	(366,822)	(353,826)
Total stockholders' equity	214,171	205,647
Total liabilities, redeemable noncontrolling interests and stockholders' equity	$ 416,605	$ 390,382