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Interest Rate Swaps Tax Impact of Derivative Liability on Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax $ (1,189) $ (1,224)