Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2018	Sep. 30, 2018	Jul. 01, 2018	Apr. 01, 2018	Dec. 31, 2017	Sep. 24, 2017	Jun. 25, 2017	Mar. 26, 2017	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Revenue, Major Customer [Line Items]
Total revenues	$ 373,981	$ 364,007	$ 407,959	$ 427,369	$ 467,606	$ 431,709	$ 434,778	$ 449,266	$ 1,573,316	$ 1,783,359	$ 1,713,620
Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues									698,617
Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues									879,315
Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues									118,246
Other Sales
Revenue, Major Customer [Line Items]
Total revenues									112,407
Domestic company owned restaurants segment
Revenue, Major Customer [Line Items]
Total revenues									692,380	816,718	815,931
Domestic company owned restaurants segment | Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues									692,380
North America commissary
Revenue, Major Customer [Line Items]
Total revenues									609,866	673,712	623,883
North America commissary | Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues									811,191
North America franchising
Revenue, Major Customer [Line Items]
Total revenues									79,293	106,729	102,980
North America franchising | Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues									82,258
International.
Revenue, Major Customer [Line Items]
Total revenues									131,268
International. | Company-owned Restaurants
Revenue, Major Customer [Line Items]
Total revenues									6,237
International. | Commissary Sales
Revenue, Major Customer [Line Items]
Total revenues									68,124
International. | Franchise royalties and fees
Revenue, Major Customer [Line Items]
Total revenues									35,988
International. | Other Sales
Revenue, Major Customer [Line Items]
Total revenues									21,202
All others
Revenue, Major Customer [Line Items]
Total revenues									60,509
All others | Other Sales
Revenue, Major Customer [Line Items]
Total revenues									91,205
Elimination
Revenue, Major Customer [Line Items]
Total revenues									(235,269)	(265,029)	(256,444)
Elimination | North America commissary
Revenue, Major Customer [Line Items]
Total revenues									(201,325)
Elimination | North America franchising
Revenue, Major Customer [Line Items]
Total revenues									(2,965)	(3,342)	(2,869)
Elimination | International.
Revenue, Major Customer [Line Items]
Total revenues									(283)
Elimination | All others
Revenue, Major Customer [Line Items]
Total revenues									$ (30,696)	$ (16,715)	$ (16,410)