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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]    
Net earnings $ 12,216 $ 7,989
Other comprehensive income (loss), net of tax:    
Foreign currency translation adjustments 695 2,219
Pension and postretirement plans (5) (5)
Total other comprehensive income, net of tax 690 2,214
Comprehensive income $ 12,906 $ 10,203