Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Revenues:
Revenue	$ 355,882	$ 350,011	$ 1,034,310	$ 1,001,993
Operating costs and expenses:
Advertising expenses	130,846	133,732	379,898	378,283
General and administrative expenses, net	60,333	63,997	176,458	183,122
Depreciation	4,584	4,937	13,916	15,095
Amortization of other intangible assets	4,599	5,230	13,858	15,912
Long-lived asset impairment charges	36	55	361	1,209
Total operating costs and expenses	241,287	244,027	703,210	697,636
Net income of equity method investments	6,667	5,787	13,324	11,665
Other operating income (loss), net	81	(179)	943	(749)
Operating income	121,343	111,592	345,367	315,273
Other income (expense), net:
Interest income	2,996	1,930	7,906	5,088
Interest expense	(31,787)	(31,932)	(96,758)	(96,947)
Loss on debt extinguishment	0		(13,076)	0
Other loss, net	(258)	(101)	(308)	(700)
Total other expense, net	(29,049)	(30,103)	(102,236)	(92,559)
Income before income taxes	92,294	81,489	243,131	222,714
Provision for income taxes	19,929	15,422	58,821	45,997
Net income	$ 72,365	$ 66,067	$ 184,310	$ 176,717
Earnings per share:
Common-basic (in dollars per share)	$ 0.87	$ 0.80	$ 2.23	$ 2.10
Common-diluted (in dollars per share)	$ 0.86	$ 0.79	$ 2.20	$ 2.07
Franchise fees and royalty income
Revenues:
Revenue	$ 157,224	$ 151,991	$ 454,810	$ 435,740
Advertising fees and related income
Revenues:
Revenue	128,675	132,471	375,132	375,017
Rental income
Revenues:
Revenue	31,984	27,547	92,691	79,425
Ice cream and other products
Revenues:
Revenue	24,409	24,867	72,400	74,784
Operating costs and expenses:
Cost of goods sold	21,066	21,311	59,724	60,956
Other revenues
Revenues:
Revenue	13,590	13,135	39,277	37,027
Occupancy expenses—franchised restaurants
Operating costs and expenses:
Cost of goods sold	19,823	$ 14,765	$ 58,995	$ 43,059
Twenty Fifteen Class A-2-II Notes [Member]
Other income (expense), net:
Loss on debt extinguishment	$ (13,100)