Discontinued Operations (Details) - Type of Restructuring [Domain] $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 05, 2015 USD ($) Number of Distribution Centers $ / shares	Jul. 06, 2014 USD ($) $ / shares	Jul. 05, 2015 USD ($) Number of Distribution Centers $ / shares	Jul. 06, 2014 USD ($) $ / shares
Restructuring Reserve [Roll Forward]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	$ (1,532)	$ (1,424)	$ (3,152)	$ (4,611)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share | $ / shares	$ (0.04)	$ (0.04)	$ (0.08)	$ (0.11)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | $ / shares	$ (0.04)	$ (0.03)	$ (0.08)	$ (0.11)
Asset Impairment Charges	$ 24	$ 146	$ 65	$ 326
2013 Qdoba Closures [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve, Accrual Adjustment			3,853
Disposal Group, Including Discontinued Operation, Future Lease Commitments			$ 3,900	4,200
Number of Lease agreements			4
Disposal group, Including Discontinued Operations, Brokerage Commissions			$ 200	500
Operating loss before income tax benefit	2,200	1,700	4,600	6,100
Restructuring Reserve [Roll Forward]
Balance at beginning of period			5,737
Cash payments			(5,225)
Balance at end of period	4,365		4,365
Asset Impairment Charges				400
Disposal Group, Including Discontinued Operation, Other Expense			300
Disposal Group, Including Discontinued Operation, Other Expense			200	700
Discontinued Operation - Distribution Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Future Lease Commitments			200	300
Operating loss before income tax benefit	$ 300	$ 600	$ 500	1,300
Number of Distribution Centers | Number of Distribution Centers	1		1
Restructuring Reserve [Roll Forward]
Balance at beginning of period			$ 500
Balance at end of period	$ 300		300
Increase (Decrease) in Workers' Compensation Liabilities			$ 300	$ 900