Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 28, 2022	Dec. 29, 2021	Dec. 30, 2020
Revenue:
Total operating revenue	$ 456,429	$ 398,174	$ 288,605
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs	53,617	42,982	29,816
Payroll and benefits	76,412	65,337	51,684
Occupancy	15,154	11,662	11,241
Other operating expenses	34,275	26,951	21,828
Total costs of company restaurant sales, excluding depreciation and amortization	179,458	146,932	114,569
Costs of franchise and license revenue	135,327	109,140	94,348
General and administrative expenses	67,173	68,686	55,040
Depreciation and amortization	14,862	15,446	16,161
Operating (gains), losses and other charges, net	(1,005)	(46,105)	1,808
Total operating costs and expenses, net	395,815	294,099	281,926
Operating income	60,614	104,075	6,679
Interest expense, net	13,769	15,148	17,965
Other nonoperating income, net	(52,585)	(15,176)	(4,171)
Net income (loss) before income taxes	99,430	104,103	(7,115)
Provision for (benefit from) income taxes	24,718	26,030	(1,999)
Net income (loss)	$ 74,712	$ 78,073	$ (5,116)
Net income (loss) per share - basic (in dollars per share)	$ 1.23	$ 1.20	$ (0.08)
Net income (loss) per share - diluted (in dollars per share)	$ 1.23	$ 1.19	$ (0.08)
Basic weighted average shares outstanding (in shares)	60,771	65,171	60,812
Diluted weighted average shares outstanding (in shares)	60,879	65,573	60,812
Company restaurant sales
Revenue:
Total operating revenue	$ 199,753	$ 175,017	$ 118,160
Franchise and license revenue
Revenue:
Total operating revenue	$ 256,676	$ 223,157	$ 170,445