Discontinued Operations (Details) - Discontinued Operations [Member] $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 09, 2017 USD ($) center restaurant	Jul. 03, 2016 USD ($)	Jul. 09, 2017 USD ($) center restaurant	Jul. 03, 2016 USD ($)
Discontinued Operation - Distribution Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Distribution Centers | center		1		1
2013 Qdoba Closures [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Restaurants | restaurant		62		62
Unfavorable lease commitment adjustments		$ (153)	$ (675)	$ (3,092)	$ (2,143)
Bad debt related to subtenants		(524)	(225)	(72)	(349)
Ongoing facility related and other costs		(4)	(2)	(169)	(72)
Broker commissions		0	0	(56)	(21)
Loss before income tax benefit		(681)	$ (902)	(3,389)	$ (2,585)
Restructuring Reserve [Roll Forward]
Balance as of October 2, 2016				2,943
Adjustments (1)	[1]			3,092
Cash payments				(3,335)
Balance as of July 9, 2017 (2)	[2]	$ 2,700		$ 2,700
2013 Qdoba Closures [Member] | Weighted Average [Member]
Restructuring Reserve [Roll Forward]
WeightedAverageRemainingLeaseTermCommitments				2 years

[1] (1)Adjustments relate to revisions to certain sublease assumptions due to changes in market conditions, as well as charges to terminate five lease agreements, and includes interest expense.

[2] (2)The weighted average remaining lease term related to these commitments is approximately 2 years.