XML 47 R36.htm IDEA: XBRL DOCUMENT v3.21.2
Interest Rate Swaps - Pre-Tax Gains and Losses Derived from Interest Rate Swaps (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 26, 2021
Jun. 27, 2020
Jun. 26, 2021
Jun. 27, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]        
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax $ 430 $ (1,726) $ 3,291 $ (8,782)