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Summary of Significant Accounting Policies Market Risk (Details)
12 Months Ended
Dec. 28, 2013
Rate
customers
Dec. 29, 2012
Rate
Dec. 31, 2011
Rate
Revenue, Major Customer [Line Items]      
Number of Customers Greater than Ten Percent 1    
Entity-Wide Revenue, Major Customer, Percentage 13.00% 9.00% 12.00%