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Accumulated Other Comprehensive Income (Loss) (Tables)
6 Months Ended
Jun. 26, 2021
Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
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 swaps43 — 43 
Reclassification of loss into earnings from interest rate swaps, net of tax of $128315 — 315 
Reclassification of net actuarial gain into earnings from postretirement benefit plans— (12)(12)
Balance at June 26, 2021$(382)$198 $(184)