Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2018	Mar. 29, 2017
Cash flows from operating activities:
Net income	$ 9,759	$ 8,373
Adjustments to reconcile net income to cash flows provided by operating activities:
Depreciation and amortization	6,514	5,736
Operating (gains), losses and other charges, net	360	783
Amortization of deferred financing costs	152	148
Loss on early extinguishments of debt and leases	0	73
Deferred income tax expense	1,118	3,225
Share-based compensation	1,350	1,973
Decrease (increase) in assets:
Receivables	1,821	3,345
Inventories	33	(41)
Other current assets	2,739	3,131
Other assets	(160)	(2,312)
Increase (decrease) in liabilities:
Accounts payable	(9,865)	(2,277)
Accrued salaries and vacations	(4,048)	(11,584)
Accrued taxes	38	(215)
Other accrued liabilities	(5,948)	(1,204)
Other noncurrent liabilities	(413)	(1,133)
Net cash flows provided by operating activities	3,450	8,021
Cash flows from investing activities:
Capital expenditures	(4,148)	(3,017)
Acquisition of restaurants and real estate	(8,418)	(3,800)
Proceeds from disposition of property	4	252
Collections on notes receivable	859	612
Issuance of notes receivable	(1,934)	(1,010)
Net cash flows used in investing activities	(13,637)	(6,963)
Cash flows from financing activities:
Revolver borrowings	39,500	31,000
Revolver payments	(16,500)	(19,500)
Long-term debt payments	(823)	(826)
Proceeds from exercise of stock options	1,013	130
Tax withholding on share-based payments	(1,696)	0
Purchase of treasury stock	(15,691)	(11,742)
Net bank overdrafts	3,320	(972)
Net cash flows provided by (used in) financing activities	9,123	(1,910)
Decrease in cash and cash equivalents	(1,064)	(852)
Cash and cash equivalents at beginning of period	4,983	2,592
Cash and cash equivalents at end of period	$ 3,919	$ 1,740