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Derivative and Hedging Activities (Details)
12 Months Ended
Jan. 07, 2016
derivative
Nov. 07, 2015
derivative
Dec. 27, 2016
USD ($)
Dec. 29, 2015
USD ($)
derivative
Interest rate cash flow hedges        
Gain recognized in OCI, net of tax (effective portion)     $ 27,000 $ 817,000
Loss reclassified from AOCI to income (effective portion)     $ 45,000 $ 1,397,000
Interest Rate Swap        
Interest rate cash flow hedges        
Number of interest rate swaps with activity during the period which have expired | derivative 1 1    
Number of interest rate swaps with activity during the period | derivative       2
Interest Rate Swap | Other accrued liabilities        
Interest Rate Swaps        
Derivative liability       $ 45,000