Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 30, 2020	Dec. 25, 2019	Dec. 26, 2018
Revenue:
Total operating revenue	$ 288,605	$ 541,389	$ 630,179
Costs of company restaurant sales, excluding depreciation and amortization:
Product costs	29,816	74,720	100,532
Payroll and benefits	51,684	118,806	164,314
Occupancy	11,241	18,613	23,228
Other operating expenses	21,828	46,257	60,708
Total costs of company restaurant sales	114,569	258,396	348,782
Costs of franchise and license revenue	94,348	120,326	114,296
General and administrative expenses	55,040	69,018	63,828
Depreciation and amortization	16,161	19,846	27,039
Operating (gains), losses and other charges, net	1,808	(91,180)	2,620
Total operating costs and expenses, net	281,926	376,406	556,565
Operating income (loss)	6,679	164,983	73,614
Interest expense, net	17,965	18,547	20,745
Other nonoperating (income) expense, net	(4,171)	(2,763)	619
Net income (loss) before income taxes	(7,115)	149,199	52,250
Provision for (benefit from) income taxes	(1,999)	31,789	8,557
Net income (loss)	$ (5,116)	$ 117,410	$ 43,693
Basic net income (loss) per share (in dollars per share)	$ (0.08)	$ 1.96	$ 0.69
Diluted net income (loss) per share (in dollars per share)	$ (0.08)	$ 1.90	$ 0.67
Basic weighted average shares outstanding (in shares)	60,812	59,944	63,364
Diluted weighted average shares outstanding (in shares)	60,812	61,833	65,562
Company restaurant sales
Revenue:
Total operating revenue	$ 118,160	$ 306,377	$ 411,932
Franchise and license revenue
Revenue:
Total operating revenue	$ 170,445	$ 235,012	$ 218,247