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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 6 Months Ended
Jun. 25, 2016
Jun. 27, 2015
Jun. 25, 2016
Jun. 27, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax $ (872) $ 0 $ (872) $ 0