Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Revenue disaggregation
Total revenues	$ 511,746	$ 409,859
Domestic Company-owned restaurants
Revenue disaggregation
Total revenues	197,234	161,440
North America franchising
Revenue disaggregation
Total revenues	32,715	19,440
North America commissaries
Revenue disaggregation
Total revenues	184,878	155,422
International.
Revenue disaggregation
Total revenues	34,607	26,059
International. | International other revenue
Revenue disaggregation
Total revenues	(7,997)	(6,093)
All others
Revenue disaggregation
Total revenues	62,312	47,498
All others | International other revenue
Revenue disaggregation
Total revenues	7,997	6,093
Operating segments
Revenue disaggregation
Total revenues	511,746	409,859
Operating segments | Company-owned Restaurants
Revenue disaggregation
Total revenues	197,234	161,440
Operating segments | Franchise royalties and fees
Revenue disaggregation
Total revenues	45,983	29,630
Operating segments | Commissary Sales
Revenue disaggregation
Total revenues	259,347	216,471
Operating segments | Other Sales
Revenue disaggregation
Total revenues	81,460	68,453
Operating segments | Domestic Company-owned restaurants
Revenue disaggregation
Total revenues	197,234	161,440
Operating segments | Domestic Company-owned restaurants | Company-owned Restaurants
Revenue disaggregation
Total revenues	197,234	161,440
Operating segments | North America franchising
Revenue disaggregation
Total revenues	32,715	19,440
Operating segments | North America franchising | Franchise royalties and fees
Revenue disaggregation
Total revenues	33,775	20,114
Operating segments | North America commissaries
Revenue disaggregation
Total revenues	184,878	155,422
Operating segments | North America commissaries | Commissary Sales
Revenue disaggregation
Total revenues	236,948	199,928
Operating segments | International.
Revenue disaggregation
Total revenues	42,604	32,152
Other revenue from marketing fund contributions and sublease rental income	8,000	6,100
Operating segments | International. | Franchise royalties and fees
Revenue disaggregation
Total revenues	12,208	9,516
Operating segments | International. | Commissary Sales
Revenue disaggregation
Total revenues	22,399	16,543
Operating segments | International. | Other Sales
Revenue disaggregation
Total revenues	7,997	6,093
Operating segments | All others
Revenue disaggregation
Total revenues	54,315	41,405
Operating segments | All others | Other Sales
Revenue disaggregation
Total revenues	73,463	62,360
Elimination
Revenue disaggregation
Total revenues	(72,278)	(66,135)
Elimination | North America franchising
Revenue disaggregation
Total revenues	(1,060)	(674)
Elimination | North America commissaries
Revenue disaggregation
Total revenues	(52,070)	(44,506)
Elimination | All others
Revenue disaggregation
Total revenues	$ (19,148)	$ (20,955)