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. 25, 2016 USD ($)	Sep. 27, 2015 USD ($)	Sep. 25, 2016 USD ($) segment	Sep. 27, 2015 USD ($)	Dec. 27, 2015 USD ($)
Segment Information
Reportable segments, number \| segment			5
Revenues	$ 422,442	$ 389,284	$ 1,274,001	$ 1,220,559
Income before income taxes	31,627	26,257	108,236	80,224
Accumulated depreciation and amortization	(383,909)		(383,909)
Net property and equipment	221,809		221,809		$ 214,044
International
Segment Information
Revenues	28,941	27,001	84,856	78,753
Operating segments
Segment Information
Revenues	422,442	389,284	1,274,001	1,220,559
Operating segments \| Domestic Company-owned restaurants
Segment Information
Revenues	199,041	180,059	608,968	563,308
Income before income taxes	11,576	8,088	47,088	41,185
Property and equipment, gross	229,546		229,546
Operating segments \| Domestic commissaries
Segment Information
Revenues	155,208	145,863	462,057	457,203
Income before income taxes	11,311	10,192	34,539	32,694
Property and equipment, gross	116,237		116,237
Operating segments \| North America franchising
Segment Information
Revenues	24,776	22,285	76,554	71,185
Income before income taxes	21,856	19,172	67,881	61,545
Operating segments \| International
Segment Information
Revenues	28,941	27,001	84,856	78,753
Income before income taxes	3,083	3,184	8,996	6,807
Property and equipment, gross	16,101		16,101
Operating segments \| All others
Segment Information
Revenues	14,476	14,076	41,566	50,110
Income before income taxes	392	(556)	868	(230)
Property and equipment, gross	53,902		53,902
Elimination
Segment Information
Revenues	64,692	57,947	190,496	179,411
Income before income taxes	(231)	(341)	(1,365)	(1,141)
Elimination \| Domestic commissaries
Segment Information
Revenues	59,811	53,398	175,859	165,744
Elimination \| North America franchising
Segment Information
Revenues	688	643	2,140	1,985
Elimination \| International
Segment Information
Revenues	64	73	196	223
Elimination \| All others
Segment Information
Revenues	4,129	3,833	12,301	11,459
Unallocated corporate
Segment Information
Income before income taxes	(16,360)	$ (13,482)	(49,771)	$ (60,636)
Property and equipment, gross	$ 189,932		$ 189,932