Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 24, 2020
Cash flows from operating activities:
Net income (loss)	$ 22,353	$ (13,952)
Adjustments to reconcile net income (loss) to cash flows provided by (used in) operating activities:
Depreciation and amortization	7,558	8,204
Operating (gains), losses and other charges, net	419	3,100
(Gains) losses and amortization on interest rate swap derivatives, net	(12,506)	11,466
Amortization of deferred financing costs	688	340
Losses (gains) on investments	3	(91)
(Gains) losses on termination of leases	(72)	53
Deferred income tax expense (benefit)	2,211	(3,705)
Share-based compensation expense (benefit)	6,860	(26)
Changes in assets and liabilities:
Receivables	757	9,342
Inventories	(98)	175
Prepaids and other current assets	(6,677)	2,593
Other noncurrent assets	(1,317)	106
Operating lease assets and liabilities	(821)	1,769
Accounts payable	5,620	(537)
Accrued payroll	1,992	(11,519)
Accrued taxes	434	(712)
Other accrued liabilities	4,649	(6,551)
Other noncurrent liabilities	(2,036)	(2,827)
Net cash flows provided by (used in) operating activities	43,371	(7,958)
Cash flows from investing activities:
Capital expenditures	(3,108)	(4,476)
Proceeds from sales of restaurants, real estate and other assets	1,612	2,208
Investment purchases	0	(1,400)
Proceeds from sale of investments	200	2,900
Collections on notes receivable	383	918
Issuance of notes receivable	(94)	(484)
Net cash flows used in investing activities	(1,007)	(334)
Cash flows from financing activities:
Revolver borrowings	9,500	130,000
Revolver payments	(39,500)	(63,000)
Long-term debt payments	(980)	(594)
Proceeds from exercise of stock options	116	66
Tax withholding on share-based payments	(1,377)	(3,036)
Deferred financing costs	(8)	(982)
Purchase of treasury stock	0	(36,008)
Net bank overdrafts	(3,125)	(449)
Net cash flows provided by (used in) financing activities	(35,374)	25,997
Increase in cash and cash equivalents	6,990	17,705
Cash and cash equivalents at beginning of period	3,892	3,372
Cash and cash equivalents at end of period	$ 10,882	$ 21,077