Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Franchise and restaurant revenues	$ 137,768	$ 126,444	$ 279,586	$ 258,239
Rental revenues	31,132	30,709	62,534	61,462
Financing revenues	2,649	3,368	5,243	8,021
Total revenues	171,549	160,521	347,363	327,722
Cost of revenues:
Franchise and restaurant expenses	51,423	42,155	103,449	87,833
Rental expenses	23,319	23,653	46,809	47,519
Financing expenses	0	240	12	825
Total cost of revenues	74,742	66,048	150,270	136,177
Gross profit	96,807	94,473	197,093	191,545
General and administrative expenses	34,577	34,816	68,807	69,001
Interest expense	15,677	24,942	31,323	49,911
Amortization of intangible assets	2,500	3,070	5,000	6,141
Closure and impairment charges, net	475	637	2,302	837
Loss on extinguishment of debt	0	6	0	12
Loss (gain) on disposition of assets	66	(130)	57	797
Income before income tax provision	43,512	31,132	89,604	64,846
Income tax provision	(16,615)	(11,965)	(34,295)	(24,855)
Net income	26,897	19,167	55,309	39,991
Other comprehensive income (loss), net of tax:
Adjustment to unrealized loss on available-for-sale investments	0	107	0	107
Foreign currency translation adjustment	3	7	(12)	1
Total comprehensive income	26,900	19,281	55,297	40,099
Net income available to common stockholders:
Net income	26,897	19,167	55,309	39,991
Less: Net income allocated to unvested participating restricted stock	(359)	(307)	(726)	(649)
Net income available to common stockholders	$ 26,538	$ 18,860	$ 54,583	$ 39,342
Net income available to common stockholders per share:
Basic (USD per share)	$ 1.41	$ 1.00	$ 2.90	$ 2.09
Diluted (USD per share)	$ 1.40	$ 1.00	$ 2.88	$ 2.07
Weighted average shares outstanding:
Basic (in shares)	18,763	18,776	18,819	18,785
Diluted (in shares)	18,895	18,955	18,959	19,003
Dividends declared per common share (USD per share)	$ 0.875	$ 0.75	$ 1.75	$ 1.5
Dividends paid per common share (USD per share)	$ 0.875	$ 0.75	$ 1.75	$ 1.5