Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Dec. 28, 2014
Current assets:
Cash and cash equivalents	$ 23,524	$ 20,122
Accounts receivable, net	56,187	56,047
Notes receivable, net	6,103	6,106
Income taxes receivable	3,628	9,527
Inventories	26,354	27,394
Deferred income taxes	7,576	8,248
Prepaid expenses	15,982	18,736
Other current assets	10,132	9,828
Total current assets	149,486	156,008
Property and equipment, net	216,080	219,457
Notes receivable, less current portion, net	12,482	12,801
Goodwill	81,421	82,007
Deferred income taxes	3,914	3,914
Other assets	38,594	38,616
Total assets	501,977	512,803
Current liabilities:
Accounts payable	35,009	38,832
Income and other taxes payable	9,804	9,637
Accrued expenses and other current liabilities	55,521	58,293
Total current liabilities	100,334	106,762
Deferred revenue	3,906	4,257
Long-term debt	231,000	230,451
Deferred income taxes	20,508	22,188
Other long-term liabilities	44,130	41,875
Total liabilities	399,878	405,533
Redeemable noncontrolling interests	8,798	8,555
Stockholders' equity:
Preferred stock ($0.01 par value per share; no shares issued)
Common stock ($0.01 par value per share; issued 43,523 at March 29, 2015 and 43,331 at December 28, 2014)	435	433
Additional paid-in capital	148,981	147,912
Accumulated other comprehensive (loss) income	(982)	671
Retained earnings	109,616	92,876
Treasury stock (3,879 shares at March 29, 2015 and 3,549 shares at December 28, 2014, at cost)	(177,216)	(155,659)
Total stockholders' equity, net of noncontrolling interests	80,834	86,233
Noncontrolling interests in subsidiaries	12,467	12,482
Total stockholders' equity	93,301	98,715
Total liabilities, redeemable noncontrolling interests and stockholders' equity	$ 501,977	$ 512,803