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Leases (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Jan. 02, 2011
Leases [Abstract]      
Sale Leaseback Transaction, Description 1 2 3
Sale Leaseback Transaction, Net Proceeds $ 1,177 $ 2,818 $ 3,413
Operating leases, term 20 years    
Sale Leaseback Transaction, Current Period Deferred Gains 705 133 493
Sale Leaseback Transaction, Deferred Gain, Gross $ 1,776 $ 1,987 $ 1,825