Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 24, 2017	Sep. 30, 2018	Sep. 24, 2017
Revenue, Major Customer [Line Items]
Total revenues	$ 364,007	$ 431,709	$ 1,199,335	$ 1,315,753
Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues	158,285		536,143
Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues	208,775		666,287
Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues	22,410		91,133
Other Sales
Revenue, Major Customer [Line Items]
Total revenues	28,043		84,474
Domestic Company-owned restaurants
Revenue, Major Customer [Line Items]
Total revenues	158,285	196,267	529,906	605,919
Domestic Company-owned restaurants | Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues	158,285		529,906
North America commissary
Revenue, Major Customer [Line Items]
Total revenues	146,240	164,028	461,408	495,427
North America commissary | Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues	192,263		614,797
North America franchising
Revenue, Major Customer [Line Items]
Total revenues	12,806	25,567	61,524	79,762
North America franchising | Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues	13,270		64,023
International.
Revenue, Major Customer [Line Items]
Total revenues	30,793		100,977
International. | Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues			6,237
International. | Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues	16,512		51,490
International. | Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues	9,140		27,110
International. | Other Sales
Revenue, Major Customer [Line Items]
Total revenues	5,211		16,353
All others
Revenue, Major Customer [Line Items]
Total revenues	15,883		45,520
All others | Other Sales
Revenue, Major Customer [Line Items]
Total revenues	22,832		68,121
Elimination
Revenue, Major Customer [Line Items]
Total revenues	(53,506)	(64,860)	(178,702)	(196,554)
Elimination | North America commissary
Revenue, Major Customer [Line Items]
Total revenues	(46,023)	(60,364)	(153,389)	(181,302)
Elimination | North America franchising
Revenue, Major Customer [Line Items]
Total revenues	(464)	$ (709)	(2,499)	$ (2,224)
Elimination | International.
Revenue, Major Customer [Line Items]
Total revenues	(70)		(213)
Elimination | All others
Revenue, Major Customer [Line Items]
Total revenues	$ (6,949)		$ (22,601)