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Derivative Instruments and Hedging Activities (Fair Value of Interest Rate Swaps - Table) (Details) - Interest rate swap [Member] - Designated as hedging instrument [Member] - USD ($)
$ in Thousands
Dec. 27, 2015
Dec. 28, 2014
Derivative [Line Items]    
Interest rate derivative liabilities, at fair value [1] $ 10,149 $ 3,924
Accrued and other current liabilities [Member]    
Derivative [Line Items]    
Interest rate derivative liabilities, at fair value 5,142 2,617
Interest payable 556 0
Other long-term liabilities, net [Member]    
Derivative [Line Items]    
Interest rate derivative liabilities, at fair value $ 5,007 $ 1,307
[1] See Note 17 - Fair Value Measurements for fair value discussion of the interest rate swaps.