Discontinued Operations (Details) (USD $)	4 Months Ended
	Jan. 18, 2015	Jan. 19, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness	$ 0	$ 0
Restructuring Reserve [Roll Forward]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	(1,263,000)	(724,000)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	$ (0.03)	$ (0.02)
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	$ (0.03)	$ (0.02)
2013 Qdoba Closures [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring Reserve, Accrual Adjustment	1,799,000	(286,000)
Disposal Group, Including Discontinued Operation, Future Lease Commitments	1,800,000	(300,000)
Number of Lease agreements	3
Disposal group, Including Discontinued Operations, Brokerage Commissions	100,000	200,000
Operating loss before income tax benefit	(1,972,000)	(588,000)
Restructuring Reserve [Roll Forward]
Balance at beginning of period	5,737,000	10,712,000
Cash payments	(2,896,000)	(3,395,000)
Balance at end of period	4,640,000	7,031,000
Asset Impairment Charges		300,000
Disposal Group, Including Discontinued Operation, Other Expense	100,000	300,000
Discontinued Operation - Distribution Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating loss before income tax benefit	(100,000)	(600,000)
Number of Distribution Centers	1
Restructuring Reserve [Roll Forward]
Balance at beginning of period	(500,000)
Balance at end of period	500,000
Disposal Group, Including Discontinured Operation, Accelerated Future Lease Commitments	100,000	100,000
Increase (Decrease) in Workers' Compensation Liabilities		$ 400,000