Consolidated Statements Of Comprehensive Income - USD ($)	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023
Revenues:
Revenue	$ 452,192,000	$ 445,162,000
Costs and expenses:
Food, beverage and packaging costs	118,166,000	125,443,000
Restaurant wages and related expenses	150,785,000	146,324,000
Restaurant rent expense (Note 6)	32,025,000	31,834,000
Other restaurant operating expenses	74,037,000	69,132,000
Advertising expense	18,459,000	17,898,000
General and administrative expenses (including stock-based compensation of $1,989 and $1,097, respectively)	30,826,000	25,740,000
Depreciation and amortization	18,512,000	18,718,000
Impairment and other lease charges	1,356,000	1,340,000
Other income, net (Note 14)	(2,041,000)	(1,506,000)
Total operating expenses	442,125,000	434,923,000
Income from operations	10,067,000	10,239,000
Interest expense	6,413,000	8,233,000
Income before income taxes	3,654,000	2,006,000
Provision (benefit) for income taxes	(10,000)	1,142,000
Net income	$ 3,664,000	$ 864,000
Basic net income (loss) per share (in dollars per share)	$ 0.06	$ 0.01
Diluted net income (loss) per share (in shares)	$ 0.06	$ 0.01
Weighted average common shares outstanding:
Weighted average common shares outstanding (in shares)	52,325,476	51,422,010
Shares used in computing diluted net income (loss) per share (in shares)	64,221,877	61,420,034
Other comprehensive income (loss), net of tax:
Net income	$ 3,664,000	$ 864,000
Change in valuation of interest rate swap (Note 7)	(131,000)	(1,137,000)
Comprehensive income (loss)	$ 3,533,000	$ (273,000)