Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jun. 25, 2017	Jul. 01, 2018	Jun. 25, 2017
Revenue, Major Customer [Line Items]
Total revenues	$ 407,959	$ 434,778	$ 835,328	$ 884,044
Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues	184,162		377,858
Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues	222,246		457,512
Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues	33,915		68,722
Other Sales
Revenue, Major Customer [Line Items]
Total revenues	27,795		56,432
Domestic Company-owned restaurants
Revenue, Major Customer [Line Items]
Total revenues	181,379	202,756	371,621	409,652
Domestic Company-owned restaurants | Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues	181,379		371,621
North America commissary
Revenue, Major Customer [Line Items]
Total revenues	153,455	160,059	315,168	331,399
North America commissary | Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues	204,947		422,534
North America franchising
Revenue, Major Customer [Line Items]
Total revenues	23,912	26,588	48,718	54,195
North America franchising | Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues	24,928		50,753
International.
Revenue, Major Customer [Line Items]
Total revenues	34,652		70,184
International. | Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues	2,783		6,237
International. | Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues	17,299		34,978
International. | Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues	8,987		17,969
International. | Other Sales
Revenue, Major Customer [Line Items]
Total revenues	5,656		11,143
All others
Revenue, Major Customer [Line Items]
Total revenues	14,561		29,637
All others | Other Sales
Revenue, Major Customer [Line Items]
Total revenues	22,139		45,289
Elimination
Revenue, Major Customer [Line Items]
Total revenues	(60,159)	(64,105)	(125,196)	(131,694)
Elimination | North America commissary
Revenue, Major Customer [Line Items]
Total revenues	(51,492)	(59,202)	(107,366)	(120,938)
Elimination | North America franchising
Revenue, Major Customer [Line Items]
Total revenues	(1,016)	$ (751)	(2,035)	$ (1,515)
Elimination | International.
Revenue, Major Customer [Line Items]
Total revenues	(73)		(143)
Elimination | All others
Revenue, Major Customer [Line Items]
Total revenues	$ (7,578)		$ (15,652)