Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Nov. 26, 2018	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018
Revenues:
Revenue		$ 359,337	$ 350,640	$ 678,428	$ 651,982
Operating costs and expenses:
Advertising expenses		130,961	132,579	249,052	244,551
General and administrative expenses, net		59,922	59,301	116,125	119,125
Depreciation		4,711	5,125	9,332	10,158
Amortization of other intangible assets		4,626	5,307	9,259	10,682
Long-lived asset impairment charges		2	653	325	1,154
Total operating costs and expenses		241,937	240,060	461,923	453,609
Net income of equity method investments		4,427	3,845	6,657	5,878
Other operating income (loss), net		825	(575)	862	(570)
Operating income		122,652	113,850	224,024	203,681
Other income (expense), net:
Interest income		3,079	1,516	4,910	3,158
Interest expense		(32,842)	(32,538)	(64,971)	(65,015)
Loss on debt extinguishment		(13,076)		(13,076)	0
Other loss, net		(46)	(272)	(50)	(599)
Total other expense, net		(42,885)	(31,294)	(73,187)	(62,456)
Income before income taxes		79,767	82,556	150,837	141,225
Provision for income taxes		20,145	22,058	38,892	30,575
Net income		$ 59,622	$ 60,498	$ 111,945	$ 110,650
Earnings per share:
Common-basic (in dollars per share)		$ 0.72	$ 0.73	$ 1.35	$ 1.31
Common-diluted (in dollars per share)		$ 0.71	$ 0.72	$ 1.34	$ 1.29
Dividend per share of common stock declared (in usd per share)	$ 0.3750
Franchise fees and royalty income
Revenues:
Revenue		$ 158,258	$ 151,242	$ 297,586	$ 283,749
Advertising fees and related income
Revenues:
Revenue		129,259	131,539	246,457	242,546
Rental income
Revenues:
Revenue		31,679	27,400	60,707	51,878
Ice cream and other products
Revenues:
Revenue		27,258	28,140	47,991	49,917
Operating costs and expenses:
Cost of goods sold		22,018	22,781	38,658	39,645
Other revenues
Revenues:
Revenue		12,883	12,319	25,687	23,892
Occupancy expenses—franchised restaurants
Operating costs and expenses:
Cost of goods sold		19,697	$ 14,314	$ 39,172	$ 28,294
Twenty Fifteen Class A-2-II Notes [Member]
Other income (expense), net:
Loss on debt extinguishment		$ (13,100)