Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Segment Information - Schedule of Segment Reporting Information, by Segment (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 24, 2017 USD ($)	Sep. 25, 2016 USD ($)	Sep. 24, 2017 USD ($) segment	Sep. 25, 2016 USD ($)	Dec. 25, 2016 USD ($)
Segment Information
Reportable segments, number \| segment			5
Revenues	$ 431,709	$ 422,442	$ 1,315,753	$ 1,274,001
Income (loss) before income taxes	30,949	31,627	108,278	108,236
Accumulated depreciation and amortization	(394,672)		(394,672)
Net property and equipment	236,812		236,812		$ 230,473
Domestic Company-owned restaurants
Segment Information
Revenues	196,267	199,041	605,919	608,968
North America franchising
Segment Information
Revenues	25,567	24,776	79,762	76,554
International
Segment Information
Revenues	31,792	28,941	90,540	84,856
Operating segments
Segment Information
Revenues	431,709	422,442	1,315,753	1,274,001
Operating segments \| Domestic Company-owned restaurants
Segment Information
Revenues	196,267	199,041	605,919	608,968
Income (loss) before income taxes	8,449	11,576	39,486	47,088
Property and equipment, gross	231,543		231,543
Operating segments \| North America commissaries
Segment Information
Revenues	164,028	155,208	495,427	462,057
Income (loss) before income taxes	10,087	11,311	34,418	34,539
Property and equipment, gross	136,270		136,270
Operating segments \| North America franchising
Segment Information
Revenues	25,567	24,776	79,762	76,554
Income (loss) before income taxes	22,858	21,856	71,732	67,881
Operating segments \| International
Segment Information
Revenues	31,792	28,941	90,540	84,856
Income (loss) before income taxes	3,909	3,083	11,518	8,996
Property and equipment, gross	18,246		18,246
Operating segments \| All others
Segment Information
Revenues	14,055	14,476	44,105	41,566
Income (loss) before income taxes	9	392	(135)	868
Property and equipment, gross	56,794		56,794
Elimination
Segment Information
Revenues	64,860	64,692	196,554	190,496
Income (loss) before income taxes	(27)	(231)	(447)	(1,365)
Elimination \| North America commissaries
Segment Information
Revenues	60,364	59,811	181,302	175,859
Elimination \| North America franchising
Segment Information
Revenues	709	688	2,224	2,140
Elimination \| International
Segment Information
Revenues	71	64	202	196
Elimination \| All others
Segment Information
Revenues	3,716	4,129	12,826	12,301
Unallocated corporate
Segment Information
Income (loss) before income taxes	(14,336)	$ (16,360)	(48,294)	$ (49,771)
Property and equipment, gross	$ 188,631		$ 188,631