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Summary of Significant Accounting Policies Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 29, 2016
Dec. 29, 2015
New Accounting Pronouncement, Early Adoption [Line Items]    
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification   $ 34,500
Current Fiscal Year End Date --12-27  
Unamortized Debt Issuance Expense $ (1,264) $ (1,341)