Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 25, 2020
Revenue:
Total operating revenue	$ 80,576	$ 96,695
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs	8,272	10,130
Payroll and benefits	12,965	17,106
Occupancy	2,850	3,163
Other operating expenses	6,077	5,719
Total costs of company restaurant sales	30,164	36,118
Costs of franchise and license revenue, excluding depreciation and amortization	23,758	29,170
General and administrative expenses	16,947	7,742
Depreciation and amortization	3,661	4,146
Operating (gains), losses and other charges, net	532	1,473
Total operating costs and expenses, net	75,062	78,649
Operating income	5,514	18,046
Interest expense, net	4,277	3,951
Other nonoperating expense (income), net	(30,048)	2,763
Income before income taxes	31,285	11,332
Provision for income taxes	8,104	2,319
Net income	$ 23,181	$ 9,013
Basic net income per share (in dollars per share)	$ 0.36	$ 0.16
Diluted net income per share (in dollars per share)	$ 0.35	$ 0.16
Basic weighted average shares outstanding (in shares)	65,251	56,300
Diluted weighted average shares outstanding (in shares)	65,749	58,106
Company restaurant sales
Revenue:
Total operating revenue	$ 33,569	$ 42,291
Franchise and license revenue
Revenue:
Total operating revenue	$ 47,007	$ 54,404