Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Revenues:
Total revenues	$ 472,941	$ 403,706	$ 1,343,423	$ 1,201,734
Costs and expenses:
General and administrative expenses	52,601	53,503	148,680	153,356
Depreciation and amortization	12,764	11,832	37,436	35,102
Total costs and expenses	448,392	400,505	1,272,868	1,178,956
Refranchising gains		1,726		1,889
Operating income	24,549	4,927	70,555	24,667
Net interest expense	(3,636)	(4,249)	(11,230)	(14,797)
Income before income taxes	20,913	678	59,325	9,870
Income tax expense	4,516	421	11,984	2,535
Net income before attribution to noncontrolling interests	16,397	257	47,341	7,335
Net (income) loss attributable to noncontrolling interests	(689)	128	(2,576)	(327)
Net income attributable to the Company	15,708	385	44,765	7,008
Calculation of net income (loss) for earnings (loss) per share:
Net income attributable to the Company	15,708	385	44,765	7,008
Dividends paid to participating securities	(3,548)	(3,473)	(10,546)	(9,029)
Net income attributable to participating securities	(703)		(1,809)
Net income (loss) attributable to common shareholders	$ 11,457	$ (3,088)	$ 32,410	$ (2,021)
Basic earnings (loss) per common share	$ 0.35	$ (0.10)	$ 1.00	$ (0.06)
Diluted earnings (loss) per common share	$ 0.35	$ (0.10)	$ 0.99	$ (0.06)
Basic weighted average common shares outstanding	32,616	31,601	32,347	31,581
Diluted weighted average common shares outstanding	32,971	31,601	32,643	31,581
Dividends declared per common share	$ 0.225	$ 0.225	$ 0.675	$ 0.675
Domestic Company-owned restaurants
Revenues:
Total revenues	$ 178,371	$ 165,135	$ 526,317	$ 490,594
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	144,803	134,037	419,082	399,040
North America franchising
Revenues:
Total revenues	25,281	15,924	68,895	53,215
North America commissary
Revenues:
Total revenues	181,338	154,703	504,379	450,735
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	167,937	144,624	466,676	419,925
International
Revenues:
Total revenues	33,440	24,679	87,592	75,843
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	19,370	13,557	52,775	42,514
Other segment
Revenues:
Total revenues	54,511	43,265	156,240	131,347
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	$ 50,917	$ 42,952	$ 148,219	$ 129,019