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Income Taxes Income Tax Reconciliation, Narrative (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Dec. 25, 2010
Income Tax Disclosure [Abstract]      
Income Taxes Paid, Net $ 1,318 $ 97  
Proceeds from Income Tax Refunds     6,931
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority   $ 1,300