Discontinued Operations (Details) - Discontinued Operations [Member] $ in Thousands		3 Months Ended		6 Months Ended
		Apr. 16, 2017 USD ($) center restaurant	Apr. 10, 2016 USD ($)	Apr. 16, 2017 USD ($) center restaurant	Apr. 10, 2016 USD ($)
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		$ (879)	$ (462)	$ (2,939)	$ (1,468)
Ongoing facility related and other costs		147	32	165	70
Broker commissions		(30)	(21)	(56)	(21)
Bad debt related to subtenants		(63)	0	(452)	124
Loss before income tax benefit		(993)	$ (515)	(2,708)	$ (1,683)
Restructuring Reserve [Roll Forward]
Balance as of October 2, 2016				2,943
Adjustments (1)	[1]			2,939
Cash payments				(2,490)
Balance as of April 16, 2017 (2)	[2]	$ 3,392		$ 3,392
2013 Qdoba Closures [Member] | Weighted Average [Member]
Restructuring Reserve [Roll Forward]
WeightedAverageRemainingLeaseTermCommitments				3 years

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

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