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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 02, 2021
Sep. 26, 2020
Oct. 02, 2021
Sep. 26, 2020
Condensed Consolidated Statements Of Comprehensive Income (Unaudited) [Abstract]        
Tax portion of unrealized gain (loss) on qualifying cash flow hedges $ (2,637) $ 3,035 $ (8,953) $ (214)
Tax portion of unrecognized income from pension and postretirement plans $ (1,647) $ (1,396) $ (5,262) $ (4,462)