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Intangible Assets (Future Amortization Expense) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 28, 2013
Dec. 29, 2012
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
2013 $ 776  
2014 3,067  
2015 2,379  
2016 1,901  
2017 230  
Thereafter 206  
Net carrying amount $ 8,559 $ 10,980