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Unaudited Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Statement of Comprehensive Income [Abstract]        
Reclassification of pension and postretirement adjustments into earnings, tax expense (benefit) $ (38) $ (42) $ (105) $ (127)