Consolidated Statements Of Comprehensive Income - USD ($)	3 Months Ended
	Apr. 02, 2023	Apr. 03, 2022
Revenues:
Revenue	$ 445,162,000	$ 399,476,000
Costs and expenses:
Food, beverage and packaging costs	125,443,000	123,057,000
Restaurant wages and related expenses	146,324,000	141,620,000
Restaurant rent expense (Note 6)	31,834,000	31,013,000
Other restaurant operating expenses	69,132,000	65,407,000
Advertising expense	17,898,000	15,964,000
General and administrative expenses (including stock-based compensation of $1,097 and $1,941, respectively)	25,740,000	22,017,000
Depreciation and amortization	18,718,000	19,542,000
Impairment and other lease charges	1,340,000	496,000
Other (income) expense, net (Note 14)	(1,506,000)	202,000
Total operating expenses	434,923,000	419,318,000
Income (loss) from operations	10,239,000	(19,842,000)
Interest expense	8,233,000	7,436,000
Income (loss) before income taxes	2,006,000	(27,278,000)
Provision (benefit) for income taxes	1,142,000	(6,009,000)
Net income (loss)	$ 864,000	$ (21,269,000)
Basic net income (loss) per share (in dollars per share)	$ 0.01	$ (0.42)
Diluted net income (loss) per share (in shares)	$ 0.01	$ (0.42)
Weighted average common shares outstanding:
Weighted average common shares outstanding (in shares)	51,422,010	50,460,279
Shares used in computing diluted net income (loss) per share (in shares)	61,420,034	50,460,279
Other comprehensive income (loss), net of tax:
Net income (loss)	$ 864,000	$ (21,269,000)
Change in valuation of interest rate swap (Note 7)	(1,137,000)	4,282,000
Comprehensive loss	$ (273,000)	$ (16,987,000)