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Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Net earnings $ 2,816 $ 2,115
Foreign currency translation adjustments (119) 687
Pension liability, net of tax of $41 and $47, respectively 118 73
Total comprehensive income $ 2,815 $ 2,875