Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2021	Sep. 29, 2020	Sep. 28, 2021	Sep. 29, 2020
Revenue
Total revenue	$ 868,943	$ 631,185	$ 2,568,360	$ 1,760,134
Restaurant and other sales
Revenue
Total revenue	862,757	626,429	2,550,124	1,747,145
Franchise royalties
Revenue
Total revenue	5,449	4,141	15,977	11,195
Franchise fees
Revenue
Total revenue	$ 737	$ 615	$ 2,259	$ 1,794