Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues:
Franchise and restaurant revenues	$ 501,745	$ 542,606	$ 518,579
Rental revenues	123,037	127,650	122,932
Financing revenues	9,191	10,844	13,477
Total revenues	633,973	681,100	654,988
Cost of revenues:
Franchise and restaurant expenses	162,860	186,986	184,411
Rental expenses	91,540	94,588	94,637
Financing expenses	155	520	825
Total cost of revenues	254,555	282,094	279,873
Gross profit	379,418	399,006	375,115
General and administrative expenses	148,935	155,428	145,910
Interest expense	61,479	63,254	96,637
Amortization of intangible assets	9,981	10,000	12,063
Closure and impairment charges	5,092	2,576	3,721
Loss on extinguishment of debt	0	0	64,859
Loss (gain) on disposition of assets	809	(901)	329
Income before income tax provision	153,122	168,649	51,596
Income tax provision	(55,130)	(63,726)	(15,143)
Net income	97,992	104,923	36,453
Other comprehensive income (loss), net of tax:
Adjustment to unrealized loss on available-for-sale investments	0	0	107
Foreign currency translation adjustment	0	(34)	(16)
Total comprehensive income	97,992	104,889	36,544
Net income available to common stockholders:
Net income	97,992	104,923	36,453
Less: Net income allocated to unvested participating restricted stock	(1,387)	(1,400)	(521)
Net income available to common stockholders	$ 96,605	$ 103,523	$ 35,932
Net income available to common stockholders per share:
Basic (USD per share)	$ 5.36	$ 5.55	$ 1.92
Diluted (USD per share)	$ 5.33	$ 5.52	$ 1.90
Weighted average shares outstanding:
Basic (shares)	18,030	18,637	18,753
Diluted (shares)	18,125	18,768	18,956
Dividends declared per common share (USD per share)	$ 3.73	$ 3.545	$ 3.125
Dividends paid per common share (USD per share)	$ 3.68	$ 3.5	$ 2.25