Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Income Tax Disclosure [Abstract]
Inventory and other reserves	$ (272)	$ (486)
Accrued vacation benefits	1,939	1,733
Accrued workers compensation	1,013	0
Accrued settlement costs	0	981
Other accruals	785	422
Current deferred income tax assets	3,465	2,650
Less: Valuation allowance	(269)	(208)
Total current deferred income tax assets	3,196	2,442
Deferred income on sale-leaseback of certain real estate	6,523	7,305
Lease financing obligations	212	198
Postretirement benefit expenses	1,363	1,452
Accumulated other comprehensive income-postretirement benefits	(444)	(414)
Stock-based compensation expense	290	329
Property and equipment depreciation	1,348	1,058
Federal net operating loss carryforwards	5,735	7,042
State net operating loss carryforwards	2,686	2,063
Amortization of other intangibles, net	2,748	2,856
Amortization of franchise rights	(23,868)	(24,771)
Occupancy costs	5,038	4,452
Tax credit carryforwards	5,721	984
Other	1,890	1,523
Long-term net deferred income tax assets (liabilities)	9,242	4,077
Less: Valuation allowance	(2,418)	(1,855)
Total long-term deferred income tax assets (liabilities)	6,824	2,222
Carrying value of net deferred income tax assets	$ 10,020	$ 4,664