Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Franchise revenues	$ 151,941	$ 153,064	$ 307,254	$ 307,789
Rental revenues	30,324	30,124	61,165	60,589
Financing revenues	2,206	2,088	4,215	4,219
Company restaurant sales	0	3,378	0	7,518
Total revenues	184,471	188,654	372,634	380,115
Cost of revenues:
Franchise expenses	82,944	69,522	164,816	139,689
Rental expenses	22,788	22,681	45,429	45,347
Financing expenses	149	0	299	0
Company restaurant expenses	0	3,447	0	7,790
Total cost of revenues	105,881	95,650	210,544	192,826
Gross profit	78,590	93,004	162,090	187,289
General and administrative expenses	38,759	37,366	80,670	87,671
Interest expense	15,481	15,780	30,680	31,143
Closure and impairment (credits) charges	(2,702)	2,701	(98)	2,918
Amortization of intangible assets	2,506	2,500	5,008	5,000
Gain on disposition of assets	(50)	(6,243)	(1,477)	(6,352)
Income before income tax provision	24,596	40,900	47,307	66,909
Income tax provision	(11,883)	(18,793)	(17,521)	(29,207)
Net income	12,713	22,107	29,786	37,702
Other comprehensive (loss) income, net of tax:
Adjustment to unrealized loss on available-for-sale investments	0	0	50	0
Foreign currency translation adjustment	(3)	0	(6)	0
Total comprehensive income	12,710	22,107	29,830	37,702
Net income available to common stockholders:
Net income	12,713	22,107	29,786	37,702
Less: Net income allocated to unvested participating restricted stock	(428)	(356)	(1,000)	(635)
Net income available to common stockholders - basic	$ 12,285	$ 21,751	$ 28,786	$ 37,067
Net income available to common stockholders per share:
Basic (USD per share)	$ 0.70	$ 1.23	$ 1.63	$ 2.09
Diluted (USD per share)	$ 0.69	$ 1.23	$ 1.61	$ 2.09
Weighted average shares outstanding:
Basic (in shares)	17,544	17,719	17,623	17,707
Diluted (in shares)	17,803	17,725	17,827	17,721
Dividends declared per common share (USD per share)	$ 0.63	$ 0.97	$ 1.26	$ 1.94
Dividends paid per common share (USD per share)	$ 0.63	$ 0.97	$ 1.60	$ 1.94