Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($)	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Cash flows from operating activities:
Net income	$ 17,928,000	$ 15,768,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,106,000	6,510,000
Deferred income taxes	12,857,000	1,838,000
Non-cash interest expense	210,000	210,000
Loss on the disposal of property and equipment, net	0	118,000
Amortization of below market lease	0	65,000
Stock-based compensation expense	1,565,000	1,323,000
Changes in operating assets and liabilities:
Accounts receivables	4,193,000	3,726,000
Inventories	94,000	332,000
Prepaid expenses and other	(960,000)	247,000
Other assets	86,000	56,000
Accounts payable and accrued expenses	(11,046,000)	(13,382,000)
Deferred revenue	(8,996,000)	(7,922,000)
Deferred rent	628,000	(440,000)
Other liabilities	(938,000)	1,295,000
Net cash provided by operating activities	21,727,000	9,744,000
Cash flows from investing activities:
Acquisition of property and equipment	(8,121,000)	(6,362,000)
Acquisition of franchise restaurant, net of cash acquired	0	(2,800,000)
Proceeds from sale of Mitchell's Restaurants	10,000,000	0
Net cash provided (used in) investing activities	1,879,000	(9,162,000)
Cash flows from financing activities:
Principal borrowings on long-term debt	15,000,000	14,000,000
Principal repayments on long-term debt	(28,000,000)	(11,000,000)
Repurchase of common stock	(5,259,000)	(6,740,000)
Tax payments from the vesting of restricted stock and option exercises	(1,085,000)	(2,218,000)
Excess tax benefits from stock compensation	540,000	1,398,000
Proceeds from exercise of stock options	200,000	200,000
Cash dividend payments	(4,173,000)	(3,596,000)
Net cash used in financing activities	(22,777,000)	(7,956,000)
Net increase (decrease) in cash and cash equivalents	829,000	(7,374,000)
Cash and cash equivalents at beginning of period	4,301,000	10,586,000
Cash and cash equivalents at end of period	5,130,000	3,212,000
Supplemental disclosures of cash flow information:
Interest, net of capitalized interest	206,000	304,000
Income taxes	98,000	1,319,000
Noncash investing and financing activities:
Accrual-based acquisition of property and equipment	$ 1,534,000	$ 832,000