Discontinued Operations - Schedule of Major Assets and Liabilities Classified as Held-for-Sale (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Jul. 08, 2018	Jul. 09, 2017	Jul. 08, 2018	Jul. 09, 2017
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax		$ 0	$ 0	$ (76)	$ 0
Qdoba
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses and Interests in Affiliates	[1]			298,474
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Cash		3,113		3,113
Accounts receivable, net		9,461		9,461
Inventories		3,112		3,112
Prepaid expenses and other current assets		5,007		5,007
Property and equipment, net		163,404		163,404
Intangible assets, net		12,518		12,518
Goodwill		117,636		117,636
Other assets, net		2,604		2,604
Total Qdoba assets		316,855		316,855
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Accounts payable		7,847		7,847
Accrued liabilities		20,265		20,265
Current maturities of long-term debt		180		180
Straight-line rent accrual		14,595		14,595
Deferred income tax liability		8,676		8,676
Other long-term liabilities		11,144		11,144
Total Qdoba liabilities		62,707		62,707
Disposal Group, Including Discontinued Operation, Other Expense	[2]			12,245
Gain on Qdoba Sale		(3,648)	$ 0	32,081	$ 0
Disposal Group, Including Discontinued Operations, Working Capital Adjustment		6,900		$ 6,900
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax		$ 100

[1] (1)The proceeds received from the Qdoba Sale are net of the finalized working capital adjustment outlined in the Qdoba Purchase Agreement totaling $6.9 million, and the derecognition of foreign currency translation adjustments recorded in accumulated other comprehensive income of $0.1 million.

[2] (2)Costs directly incurred as a result of the Qdoba Sale, including investment bank fees, legal fees, professional fees, employee transaction awards, transfer taxes and other administrative costs.