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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Comprehensive Income [Abstract]      
Foreign curency translation, taxes $ 11,104 $ (740) $ (490)
Pension and other postretirement effects, taxes $ (311) $ (598) $ 3,103