Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2020	Jun. 30, 2019	Jun. 28, 2020	Jun. 30, 2019
Revenues:
Total revenues	$ 460,623	$ 399,623	$ 870,482	$ 798,028
Costs and expenses:
General and administrative expenses	48,428	48,718	96,079	99,853
Depreciation and amortization	12,377	11,521	24,672	23,270
Total costs and expenses	430,089	385,555	824,476	778,451
Refranchising gains		163		163
Operating income	30,534	14,231	46,006	19,740
Net interest expense	(3,627)	(4,272)	(7,594)	(10,548)
Income before income taxes	26,907	9,959	38,412	9,192
Income tax expense	4,956	1,283	7,468	2,114
Net income before attribution to noncontrolling interests	21,951	8,676	30,944	7,078
Net income attributable to noncontrolling interests	(1,337)	(322)	(1,887)	(455)
Net income attributable to the Company	20,614	8,354	29,057	6,623
Calculation of net income for earnings per share:
Net income attributable to the Company	20,614	8,354	29,057	6,623
Preferred stock dividends and accretion	(3,347)	(3,486)	(6,818)	(5,556)
Net income attributable to participating securities	(1,560)		(1,306)
Net income attributable to common shareholders	$ 15,707	$ 4,868	$ 20,933	$ 1,067
Basic earnings per common share	$ 0.49	$ 0.15	$ 0.65	$ 0.03
Diluted earnings per common share	$ 0.48	$ 0.15	$ 0.65	$ 0.03
Basic weighted average common shares outstanding	32,335	31,587	32,214	31,570
Diluted weighted average common shares outstanding	32,619	31,773	32,444	31,746
Dividends declared per common share	$ 0.225	$ 0.225	$ 0.450	$ 0.450
Domestic Company-owned restaurants
Revenues:
Total revenues	$ 186,506	$ 163,656	$ 347,946	$ 325,459
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	145,168	131,950	274,279	265,003
North America franchising
Revenues:
Total revenues	24,174	19,761	43,614	37,291
North America commissary
Revenues:
Total revenues	167,619	147,128	323,041	296,032
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	154,467	136,744	298,739	275,301
International
Revenues:
Total revenues	28,093	25,497	54,152	51,164
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	18,304	14,652	33,405	28,957
Other segment
Revenues:
Total revenues	54,231	43,581	101,729	88,082
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	$ 51,345	$ 41,970	$ 97,302	$ 86,067