Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Revenues:
Total revenues	$ 399,623	$ 429,952	$ 798,028	$ 880,074
Costs and expenses:
General and administrative expenses	48,718	38,972	99,853	78,968
Depreciation and amortization	11,521	11,731	23,270	23,270
Total costs and expenses	385,555	402,920	778,451	825,107
Refranchising gains (losses), net	163	(2,122)	163	(1,918)
Operating income	14,231	24,910	19,740	53,049
Net interest expense	(4,272)	(5,797)	(10,548)	(10,872)
Income before income taxes	9,959	19,113	9,192	42,177
Income tax expense	1,283	7,040	2,114	12,018
Net income before attribution to noncontrolling interests	8,676	12,073	7,078	30,159
Net income attributable to noncontrolling interests	(322)	(874)	(455)	(1,517)
Net income attributable to the Company	8,354	11,199	6,623	28,642
Calculation of income for earnings per share:
Net income attributable to the Company	8,354	11,199	6,623	28,642
Preferred stock dividends and accretion	(3,486)		(5,556)
Net income attributable to participating securities		(72)		(147)
Net income attributable to common shareholders	$ 4,868	$ 11,127	$ 1,067	$ 28,495
Basic earnings per common share	$ 0.15	$ 0.35	$ 0.03	$ 0.87
Diluted earnings per common share	$ 0.15	$ 0.35	$ 0.03	$ 0.87
Basic weighted average common shares outstanding	31,587	31,941	31,570	32,610
Diluted weighted average common shares outstanding	31,773	32,175	31,746	32,860
Dividends declared per common share	$ 0.225	$ 0.225	$ 0.450	$ 0.450
Domestic Company-owned restaurants
Revenues:
Total revenues	$ 163,656	$ 181,379	$ 325,459	$ 371,621
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	131,950	147,868	265,003	305,442
North America franchising
Revenues:
Total revenues	19,761	23,912	37,291	48,718
North America commissary
Revenues:
Total revenues	147,128	153,455	296,032	315,168
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	136,744	143,300	275,301	294,981
International
Revenues:
Total revenues	25,497	29,069	51,164	59,183
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	14,652	18,248	28,957	37,278
Refranchising gains (losses), net		1,900		1,900
Other segment
Revenues:
Total revenues	43,581	42,137	88,082	85,384
Costs and expenses:
Operating costs (excluding depreciation and amortization shown separately below):	$ 41,970	$ 42,801	$ 86,067	$ 85,168