Income Taxes Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Income Tax Disclosure [Abstract]
Penalties for Taxes	$ 52	$ 56	$ 70
Accrued Interest for Taxes	316	275	435
State Enterprise Zone Credits	4,300
Unrecognized Tax Benefits	2,553	2,296	3,268	3,254
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	327	69	49
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(36)	(218)	(4)
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	0	0	(22)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	$ (34)	$ (823)	$ (9)