Consolidated Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Segment Revenues:
Franchise and restaurant revenues	$ 131,795	$ 128,329
Rental revenues	30,753	31,003
Financing revenues	4,653	3,837
Total segment revenues	167,201	163,169
Segment Expenses:
Franchise and restaurant expenses	45,678	44,476
Rental expenses	23,866	24,269
Financing expenses	585	0
Total segment expenses	70,129	68,745
Gross segment profit	97,072	94,424
General and administrative expenses	34,185	34,032
Interest expense	24,969	25,295
Amortization of intangible assets	3,071	3,071
Closure and impairment charges	200	838
Loss on extinguishment of debt	6	20
Debt modification costs	0	1,296
Loss (gain) on disposition of assets	927	(318)
Income before income taxes	33,714	30,190
Income tax provision	(12,890)	(11,951)
Net income	20,824	18,239
Other comprehensive loss, net of tax:
Foreign currency translation adjustment	(6)	(4)
Total comprehensive income	20,818	18,235
Net income available to common stockholders:
Net income	20,824	18,239
Less: Net income allocated to unvested participating restricted stock	(343)	(329)
Net income available to common stockholders	$ 20,481	$ 17,910
Net income available to common stockholders per share:
Basic (per share)	$ 1.09	$ 0.95
Diluted (per share)	$ 1.08	$ 0.93
Weighted average shares outstanding:
Basic (in shares)	18,794	18,911
Diluted (in shares)	19,054	19,193
Dividends declared per common share	$ 0.75	$ 0.75
Dividends paid per common share	$ 0.75	$ 0.75