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Significant Accounting Policies (Details 3) (USD $)
12 Months Ended
Dec. 28, 2013
Finite lived intangible assets  
Goodwill impairment charge $ 0
Minimum
 
Finite lived intangible assets  
Amortization period 3 years
Maximum
 
Finite lived intangible assets  
Amortization period 20 years