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CONSOLIDATED STATEMENT OF COMPREHENSIVE EARNINGS (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Foreign currency translation adjustments [Abstract]      
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax $ 26,957 $ (4,714) $ (9,498)
Pension and other postretirement benefit plans [Abstract]      
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax (3,197) (1,184) 3,241
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax [Abstract]      
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax $ 607 $ (359) $ (717)