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Accumulated Other Comprehensive Income (Loss)
3 Months Ended
Mar. 27, 2021
Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss) ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Components of accumulated other comprehensive loss, net of tax, are as follows:
Interest Rate SwapsPost-Retirement LiabilitiesTotal
Balance at December 26, 2020$(740)$210 $(530)
Unrealized loss on interest rate swaps38 — 38 
Reclassification of loss into earnings from interest rate swaps, net of tax of $64157 — 157 
Reclassification of net actuarial gain into earnings from postretirement benefit plans— (6)(6)
Balance at March 27, 2021$(545)$204 $(341)