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Goodwill and Other Intangible Assets Schedule of Goodwill (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Dec. 29, 2012
Goodwill [Line Items]    
Balance at December 29, 2012 $ 1,680  
Additional goodwill recognized during the period 0  
Impairment losses recognized during the period 0  
Other changes in the carrying amounts during the period 0  
Balance at March 30, 2013 1,680  
Goodwill 1,680 1,680
Accumulated Impairment Losses $ 0 $ 0