Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 24, 2020	Mar. 26, 2019
Revenue:
Total revenue	$ 109,810	$ 114,197
Restaurant operating expenses:
Labor and related expenses	34,936	35,900
Occupancy and other operating expenses	24,408	24,433
General and administrative	9,866	10,465
Franchise advertising expenses	3,211	3,131
Depreciation and amortization	6,137	5,907
Occupancy and other - franchise subleases and other	1,595	854
Pre-opening costs	233	100
Impairment of goodwill	87,277	0
Impairment of trademarks	11,900	0
Impairment of long-lived assets	8,287	0
Restaurant closure charges, net	494	640
Loss on disposal of assets and adjustments to assets held for sale, net	122	290
Total operating expenses	216,761	110,538
(Loss) income from operations	(106,951)	3,659
Other expense (income), net
Interest expense	1,508	1,784
Other income	0	(104)
Total other expense, net	1,508	1,680
(Loss) income from operations before (benefit) provision for income taxes	(108,459)	1,979
(Benefit) provision for income taxes	(5,991)	554
Net (loss) income	(102,468)	1,425
Other comprehensive income (loss):
Change in fair value of interest rate cap, net of tax	0	(139)
Reclassification of interest rate cap amortization included in net income, net of tax	45	21
Total other comprehensive income (loss), net	45	(118)
Comprehensive (loss) income	$ (102,423)	$ 1,307
(Loss) earnings per share:
Basic (in dollars per share)	$ (2.76)	$ 0.04
Diluted (in dollars per share)	$ (2.76)	$ 0.04
Weighted-average shares outstanding
Basic (in shares)	37,075,994	37,155,978
Diluted (in shares)	37,075,994	37,346,319
Company restaurant sales
Revenue:
Revenue	$ 100,333	$ 105,903
Franchise revenue
Revenue:
Revenue	4,391	4,065
Franchise advertising contributions
Revenue:
Revenue	3,211	3,131
Franchise sublease and other income
Revenue:
Revenue	1,875	1,098
Food and paper costs
Restaurant operating expenses:
Cost, Direct Material	$ 28,295	$ 28,818