Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 26, 2014	Mar. 27, 2013
Revenue:
Company restaurant sales	$ 79,304	$ 81,030
Franchise and license revenue	32,616	33,460
Total operating revenue	111,920	114,490
Costs of company restaurant sales:
Product costs	20,583	21,146
Payroll and benefits	33,099	31,546
Occupancy	5,128	5,228
Other operating expenses	11,365	11,200
Total costs of company restaurant sales	70,175	69,120
Costs of franchise and license revenue	10,697	11,402
General and administrative expenses	14,116	15,159
Depreciation and amortization	5,238	5,224
Operating (gains), losses and other charges, net	422	134
Total operating costs and expenses, net	100,648	101,039
Operating income	11,272	13,451
Interest expense, net	2,322	2,800
Other nonoperating (income) expense, net	(100)	1
Net income before income taxes	9,050	10,650
Provision for income taxes	2,619	3,569
Net income	$ 6,431	$ 7,081
Basic net income per share	$ 0.07	$ 0.08
Diluted net income per share	$ 0.07	$ 0.07
Basic weighted average shares outstanding	88,803	92,350
Diluted weighted average shares outstanding	90,816	94,461