Segment Reporting (Tables)

12 Months Ended

Sep. 27, 2015

Segment Reporting [Abstract]

Summarized Financial Information Of Reportable Segments

	2015			2014						2013
				(New)			(Old)
Revenues by Segment:
Jack in the Box restaurant operations	$	1,145,176		$	1,127,243		$	1,127,243		$	1,179,295
Qdoba restaurant operations	395,141			356,888			356,888			310,572
Consolidated revenues	$	1,540,317		$	1,484,131		$	1,484,131		$	1,489,867
Earnings from Operations by Segment:
Jack in the Box restaurant operations	$	265,230		$	235,574		$	130,408		$	113,864
Qdoba restaurant operations	47,264			34,287			32,016			24,470
FFE operations (1)	—			—			(116		)	(129		)
Shared services and unallocated costs	(112,182		)	(104,005		)	—			—
Losses on the sale of company-operated restaurants	(3,139		)	(3,548		)	—			—
Consolidated earnings from operations	197,173			162,308			162,308			138,205
Interest expense, net	18,803			15,678			15,678			15,251
Consolidated earnings from continuing operations and before income taxes	$	178,370		$	146,630		$	146,630		$	122,954
Total Expenditures for Long-Lived Assets by Segment (Including Discontinued Operations):
Jack in the Box restaurant operations	$	41,928		$	30,858		$	38,132		$	55,221
Qdoba restaurant operations	34,071			17,967			22,393			29,469
Shared services and unallocated costs	10,227			11,700			—			—
Consolidated expenditures for long-lived assets	$	86,226		$	60,525		$	60,525		$	84,690
Total Depreciation Expense by Segment:
Jack in the Box restaurant operations	$	64,597		$	66,409		$	73,663		$	76,191
Qdoba restaurant operations	17,103			16,992			16,992			15,815
Shared services and unallocated costs	7,078			7,254			—			—
Consolidated depreciation expense	$	88,778		$	90,655		$	90,655		$	92,006