Income Taxes Unrecognized Tax Benefits (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Income Tax Contingency [Line Items]
State Enterprise Zone Credits	$ 4,200,000
Unrecognized Tax Benefits	2,476,000	2,553,000	2,623,000	3,595,000
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	32,000	0	0
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	22,000	0	69,000
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	0	(36,000)	(218,000)
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	(65,000)	0	0
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(66,000)	(34,000)	(823,000)
Maximum [Member]
Income Tax Contingency [Line Items]
Penalties and Interest Expense	$ 100,000