Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019
Cash flows provided from (used for) operating activities:
Net income	$ (10,836)	$ (22,013)
Adjustments to reconcile net loss to net cash provided by operating activities:
(Gain) loss on disposals of property and equipment	(1,316)	615
Stock-based compensation	3,543	4,515
Gain on settlement agreement (Note 11)	0	(1,913)
Impairment and other lease charges	7,776	1,777
Depreciation and amortization	60,947	53,613
Amortization of deferred financing costs	1,600	1,209
Amortization of bond premium and discount on debt	342	(175)
Deferred income taxes	(6,983)	(10,052)
Change in refundable income taxes	6	(176)
Loss on extinguishment of debt non-cash	0	129
Changes in other operating assets and liabilities	25,699	7,487
Net cash provided by operating activities	80,778	35,016
Cash flows used for investing activities:
New restaurant development	(15,694)	(37,259)
Restaurant remodeling	(11,615)	(37,826)
Other restaurant capital expenditures	(8,798)	(15,643)
Corporate and restaurant information systems	(6,714)	(6,670)
Total capital expenditures	(42,821)	(97,398)
Acquisition of restaurants, net of cash acquired (Note 2)	0	(131,545)
Properties purchased for sale-leaseback	(13,399)	0
Proceeds from sale-leaseback transactions	20,342	7,018
Proceeds from insurance recoveries	1,833	123
Net cash used for investing activities	(34,045)	(221,802)
Cash flows provided by financing activities:
Proceeds from issuance of Term Loan B Facility	71,250	422,875
Repayments of Term Loan B Facility	(3,188)	(1,063)
Retirement of 8% Senior Secured Second Lien Notes, premium and fees	0	(280,500)
Borrowings under prior revolving credit facility	0	312,500
Repayments under prior revolving credit facility	0	(253,000)
Borrowings under revolving credit facility	150,000	0
Repayments under revolving credit facility	(195,750)	0
Payments on finance lease liabilities	(1,464)	(1,555)
Costs associated with financing long-term debt	(2,793)	(11,516)
Purchase of treasury shares	0	(2,008)
Net cash provided by financing activities	18,055	185,733
Net increase (decrease) in cash and cash equivalents	64,788	(1,053)
Cash and cash equivalents, beginning of period	2,974	4,014
Cash and cash equivalents, end of period	67,762	2,961
Supplemental disclosures:
Interest paid on long-term debt	18,431	22,159
Interest paid on lease financing obligations	78	78
Accruals for capital expenditures	2,736	13,156
Income taxes paid	$ 139	$ 193