Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenues:
Franchise and restaurant revenues	$ 542,606	$ 518,579	$ 502,586
Rental revenues	127,650	122,932	124,769
Financing revenues	10,844	13,477	13,112
Total revenues	681,100	654,988	640,467
Cost of revenues:
Franchise and restaurant expenses	186,986	184,411	173,232
Rental expenses	94,588	94,637	97,298
Financing expenses	520	825	245
Total cost of revenues	282,094	279,873	270,775
Gross profit	399,006	375,115	369,692
General and administrative expenses	155,428	145,910	143,586
Interest expense	63,254	96,637	100,264
Amortization of intangible assets	10,000	12,063	12,282
Closure and impairment charges	2,576	3,721	1,812
Loss on extinguishment of debt	0	64,859	58
Debt modification costs	0	0	1,296
(Gain) loss on disposition of assets	(901)	329	(223)
Income before income tax provision	168,649	51,596	110,617
Income tax provision	(63,726)	(15,143)	(38,580)
Net income	104,923	36,453	72,037
Other comprehensive income (loss), net of tax:
Adjustment to unrealized loss on available-for-sale investments	0	107	0
Foreign currency translation adjustment	(34)	(16)	(12)
Total comprehensive income	104,889	36,544	72,025
Net income available to common stockholders:
Net income	104,923	36,453	72,037
Less: Net income allocated to unvested participating restricted stock	(1,400)	(521)	(1,200)
Net income available to common stockholders	$ 103,523	$ 35,932	$ 70,837
Net income available to common stockholders per share:
Basic (USD per share)	$ 5.55	$ 1.92	$ 3.75
Diluted (USD per share)	$ 5.52	$ 1.90	$ 3.70
Weighted average shares outstanding:
Basic (shares)	18,637	18,753	18,871
Diluted (shares)	18,768	18,956	19,141
Dividends declared per common share (USD per share)	$ 3.545	$ 3.125	$ 3
Dividends paid per common share (USD per share)	$ 3.5	$ 2.25	$ 3