Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 27, 2013	Mar. 28, 2012
Revenue:
Company restaurant sales	$ 81,030	$ 94,163
Franchise and license revenue	33,460	32,575
Total operating revenue	114,490	126,738
Costs of company restaurant sales:
Product costs	21,146	23,533
Payroll and benefits	31,546	37,753
Occupancy	5,228	5,774
Other operating expenses	11,200	12,895
Total costs of company restaurant sales	69,120	79,955
Costs of franchise and license revenue	11,402	11,312
General and administrative expenses	15,159	15,663
Depreciation and amortization	5,224	6,060
Operating (gains), losses and other charges, net	134	(165)
Total operating costs and expenses, net	101,039	112,825
Operating income	13,451	13,913
Interest expense, net	2,800	4,456
Other nonoperating expense (income), net	1	(295)
Net income before income taxes	10,650	9,752
Provision for income taxes	3,569	3,887
Net income	7,081	5,865
Basic net income per share	$ 0.08	$ 0.06
Diluted net income per share	$ 0.07	$ 0.06
Basic weighted average shares outstanding	92,350	96,075
Diluted weighted average shares outstanding	94,461	97,878
Comprehensive income	$ 7,335	$ 6,133