Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2021	Jun. 28, 2020
Cash flows provided from (used for) operating activities:
Net income	$ (16,727)	$ (14,367)
Adjustments to reconcile net loss to net cash provided by operating activities:
Loss (gain) on disposals of property and equipment, including sale-leasebacks	930	(1,859)
Stock-based compensation	3,083	2,241
Impairment and other lease charges	497	5,822
Depreciation and amortization	41,030	41,327
Amortization of deferred financing costs	1,380	1,039
Amortization of discount on debt	404	146
Deferred income taxes	(2,677)	(6,983)
Gain (Loss) on Extinguishment of Debt	8,538	0
Change in refundable income taxes	(16)	96
Changes in other operating assets and liabilities	(9,827)	20,430
Net cash provided by operating activities	26,615	47,892
Cash flows used for investing activities:
New restaurant development	(2,615)	(13,952)
Restaurant remodeling	(6,854)	(7,349)
Other restaurant capital expenditures	(9,446)	(5,555)
Corporate and restaurant information systems	(7,560)	(6,288)
Total capital expenditures	(26,475)	(33,144)
Acquisition of restaurants, net of cash acquired (Note 2)	(30,819)	0
Properties purchased for sale-leaseback	0	(12,441)
Proceeds from sale-leaseback transactions	0	18,859
Proceeds from insurance recoveries	500	1,720
Net cash used for investing activities	(56,794)	(25,006)
Proceeds from issuance of 5.875% Senior Notes due 2029	300,000	0
Cash flows provided by (used in) financing activities:
Principal payments on Term B and B-1 Loans	(319,250)	(2,125)
Proceeds from Issuance of Unsecured Debt	0	71,250
Borrowings under revolving credit facility	46,000	150,000
Repayments under revolving credit facility	0	(195,750)
Payments on finance lease liabilities	(266)	(1,134)
Costs associated with issuance of long-term debt	(5,025)	(2,123)
Purchase of treasury shares	(57)	0
Net cash provided by financing activities	21,402	20,118
Net increase (decrease) in cash and cash equivalents	(8,777)	43,004
Cash and cash equivalents, beginning of period	64,964	2,974
Cash and cash equivalents, end of period	56,187	45,978
Supplemental disclosures:
Interest paid on long-term debt	11,761	12,363
Interest paid on lease financing obligations	52	52
Accruals for capital expenditures	2,514	3,405
Finance lease obligations incurred	804	0
Accrual For Financing Costs	$ 790	$ 0