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Interest Rate Swap Tax Impact of Derivative Liability on Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2017
Mar. 26, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax $ 180 $ 0