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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 25, 2020
Dec. 27, 2019
Statement of Comprehensive Income [Abstract]      
Net Earnings $ 439,866 $ 330,456 $ 343,853
Components of other comprehensive income (loss)      
Cumulative translation adjustment (10,026) 46,030 1,902
Pension and postretirement medical liability adjustment 68,669 (645) (33,772)
Income taxes - pension and postretirement medical liability (14,647) 237 6,940
Other comprehensive income (loss) 43,996 45,622 (24,930)
Comprehensive Income $ 483,862 $ 376,078 $ 318,923