Consolidated Statements Of Operations And Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2023	Jan. 02, 2022	Jan. 03, 2021
Costs and expenses:
Cost of sales	$ 534,238	$ 499,685	$ 452,738
Restaurant wages and related expenses	585,204	549,933	498,127
Lessee, Operating Leases, Rent Expense, Net	125,481	122,662	118,444
Other restaurant operating expenses	274,557	257,774	236,059
Advertising expense	69,389	65,433	60,735
General and administrative	88,072	83,660	84,051
Depreciation and amortization	78,068	80,798	81,727
Impairment and other lease charges	21,877	4,470	12,778
Other expense (income)	(926)	(1,186)	(1,271)
Total operating expenses	1,775,960	1,663,229	1,543,388
Income (loss) from operations	(45,520)	(10,859)	4,114
Interest Expense	30,841	28,791	27,283
Loss on extinguishment of debt		8,538	0
Income (loss) before income taxes	(76,361)	(48,188)	(23,169)
Provision (benefit) for income taxes	(789)	(5,159)	6,294
Net income (loss)	$ (75,572)	$ (43,029)	$ (29,463)
Basic net income (loss) per share (dollars per share)	$ (1.49)	$ (0.86)	$ (0.58)
Diluted net income (loss) per share (dollars per share)	$ (1.49)	$ (0.86)	$ (0.58)
Basic weighted average common shares outstanding	50,718,387	49,899,274	50,751,185
Diluted weighted average common shares outstanding	50,718,387	49,899,274	50,751,185
Other comprehensive income (loss), net of tax:
Net income (loss)	$ (75,572)	$ (43,029)	$ (29,463)
Change in postretirement benefit obligations, net of tax	7,291	4,426	(5,284)
Comprehensive income (loss)	(68,281)	(38,603)	(34,747)
Restaurant sales
Revenue	$ 1,730,440	$ 1,652,370	$ 1,547,502