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Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018	Dec. 30, 2018
Segment Information
Total revenues	$ 398,405	$ 450,122
Income (loss) before income taxes	(767)	23,064
Accumulated depreciation and amortization	(437,186)
Net property and equipment	217,437		$ 226,894
Domestic Company-owned restaurants
Segment Information
Total revenues	161,803	190,242
North America commissary
Segment Information
Total revenues	148,904	161,713
North America franchising
Segment Information
Total revenues	17,530	24,806
Special charges	4,900
International
Segment Information
Total revenues	25,667	30,114
Other segment
Segment Information
Total revenues	44,501	43,247
Operating segments
Segment Information
Total revenues	398,405	450,122
Operating segments \| Domestic Company-owned restaurants
Segment Information
Total revenues	161,803	190,242
Income (loss) before income taxes	4,597	7,229
Property and equipment, gross	219,240
Operating segments \| North America commissary
Segment Information
Total revenues	148,904	161,713
Income (loss) before income taxes	7,512	8,610
Property and equipment, gross	141,146
Operating segments \| North America franchising
Segment Information
Total revenues	17,530	24,806
Income (loss) before income taxes	15,691	22,359
Operating segments \| International
Segment Information
Total revenues	31,500	35,532
Income (loss) before income taxes	5,317	3,537
Property and equipment, gross	17,062
Operating segments \| Other segment
Segment Information
Total revenues	38,668	37,829
Income (loss) before income taxes	(506)	316
Property and equipment, gross	75,072
Elimination
Segment Information
Total revenues	(61,736)	(73,640)
Income (loss) before income taxes	(913)	(856)
Elimination \| North America commissary
Segment Information
Total revenues	(45,555)	(55,874)
Elimination \| North America franchising
Segment Information
Total revenues	(673)	(1,019)
Elimination \| International
Segment Information
Total revenues	(97)	(70)
Elimination \| Other segment
Segment Information
Total revenues	(15,411)	(16,677)
Unallocated corporate
Segment Information
Income (loss) before income taxes	(32,465)	$ (18,131)
Property and equipment, gross	202,103
Special charges	$ 11,000