Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2017	Sep. 28, 2016
Cash flows from operating activities:
Net income	$ 26,447	$ 8,128
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization	17,493	16,207
Operating (gains), losses and other charges, net	3,459	24,365
Amortization of deferred financing costs	446	445
(Gain) loss on early extinguishments of debt and leases	68	(3)
Deferred income tax expense	9,936	8,942
Share-based compensation	6,546	5,625
Decrease (increase) in assets:
Receivables	3,279	2,582
Inventories	(55)	108
Other current assets	834	6,662
Other assets	(5,068)	(1,800)
Increase (decrease) in liabilities:
Accounts payable	(5,121)	(83)
Accrued salaries and vacations	(9,094)	(11,006)
Accrued taxes	1,474	1,647
Other accrued liabilities	(4,834)	(16,627)
Other noncurrent liabilities	(2,285)	(2,060)
Net cash flows provided by operating activities	43,525	43,132
Cash flows from investing activities:
Capital expenditures	(13,558)	(14,615)
Acquisition of restaurants and real estate	(10,043)	(12,956)
Proceeds from disposition of property	2,318	1,921
Collections on notes receivable	3,773	1,151
Issuance of notes receivable	(2,278)	(1,394)
Net cash flows used in investing activities	(19,788)	(25,893)
Cash flows from financing activities:
Revolver borrowings	105,900	38,000
Revolver payments	(62,600)	(30,000)
Long-term debt payments	(2,467)	(2,378)
Proceeds from exercise of stock options	173	492
Purchase of treasury stock	(65,951)	(19,137)
Net bank overdrafts	279	(4,361)
Net cash flows used in financing activities	(24,666)	(17,384)
Decrease in cash and cash equivalents	(929)	(145)
Cash and cash equivalents at beginning of period	2,592	1,671
Cash and cash equivalents at end of period	$ 1,663	$ 1,526