Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 23, 2020	Sep. 25, 2019
Cash flows from operating activities:
Net income (loss)	$ (7,475)	$ 98,851
Adjustments to reconcile net income (loss) to cash flows provided by (used in) operating activities:
Depreciation and amortization	12,252	15,619
Operating (gains), losses and other charges, net	2,319	(85,459)
Loss on interest rate swap derivatives	4,185	0
Amortization of deferred financing costs	591	456
Gains on investments	(117)	(179)
Losses (gains) on termination of leases	43	(157)
Deferred income tax expense (benefit)	(2,505)	9,594
Share-based compensation expense	1,972	7,142
Changes in assets and liabilities:
Receivables	7,465	8,095
Inventories	265	1,525
Other current assets	(3,865)	(168)
Other noncurrent assets	474	(3,081)
Operating lease assets and liabilities	1,231	(577)
Accounts payable	(8,540)	(9,411)
Accrued payroll	(8,739)	(6,224)
Accrued taxes	971	(524)
Other accrued liabilities	(6,512)	(5,544)
Other noncurrent liabilities	(5,625)	2,068
Net cash flows provided by (used in) operating activities	(11,610)	32,026
Cash flows from investing activities:
Capital expenditures	(5,476)	(12,646)
Acquisitions of real estate	0	(9,456)
Deposits on acquisitions of real estate	0	(1,538)
Proceeds from sales of restaurants, real estate and other assets	4,536	118,370
Investment purchases	(1,400)	(1,300)
Proceeds from sale of investments	2,900	0
Collections on notes receivable	1,385	3,027
Issuance of notes receivable	(670)	(822)
Net cash flows provided by investing activities	1,275	95,635
Cash flows from financing activities:
Revolver borrowings	140,500	102,500
Revolver payments	(150,500)	(176,000)
Long-term debt payments	(1,115)	(2,044)
Proceeds from exercise of stock options	212	966
Tax withholding on share-based payments	(3,049)	(3,206)
Deferred financing costs	(982)	0
Purchase of treasury stock	(36,008)	(50,649)
Proceeds from issuance of common stock	69,571	0
Net bank overdrafts	(449)	(2,234)
Net cash flows provided by (used in) financing activities	18,180	(130,667)
Increase (decrease) in cash and cash equivalents	7,845	(3,006)
Cash and cash equivalents at beginning of period	3,372	5,026
Cash and cash equivalents at end of period	$ 11,217	$ 2,020