Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Revenues:
Revenue	$ 323,144	$ 319,091
Operating costs and expenses:
Advertising expenses	118,269	118,091
General and administrative expenses	60,535	56,203
Depreciation	5,049	4,621
Amortization of other intangible assets	4,592	4,633
Long-lived asset impairment charges	74	323
Total operating costs and expenses	226,166	219,986
Net income of equity method investments	3,666	2,230
Other operating income, net	668	37
Operating income	101,312	101,372
Other income (expense), net:
Interest income	2,055	1,831
Interest expense	(32,037)	(32,129)
Other loss, net	(670)	(4)
Total other expense, net	(30,652)	(30,302)
Income before income taxes	70,660	71,070
Provision for income taxes	18,547	18,747
Net income	$ 52,113	$ 52,323
Earnings per share:
Common-basic (in dollars per share)	$ 0.63	$ 0.63
Common-diluted (in dollars per share)	$ 0.63	$ 0.63
Franchise fees and royalty income
Revenues:
Revenue	$ 139,476	$ 139,328
Advertising fees and related income
Revenues:
Revenue	116,970	117,198
Rental income
Revenues:
Revenue	28,932	29,028
Ice cream and other products
Revenues:
Revenue	23,947	20,733
Operating costs and expenses:
Cost of goods sold	18,148	16,640
Other revenues
Revenues:
Revenue	13,819	12,804
Occupancy expenses—franchised restaurants
Operating costs and expenses:
Cost of goods sold	$ 19,499	$ 19,475