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Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Net earnings $ 4,701 $ 5,377 $ 8,411 $ 11,054
Foreign currency translation adjustments 261 (1,609) 1,222 (3,109)
Pension liability, net of tax of $163, $174, $490 and $520, respectively 256 272 767 815
Total comprehensive income $ 5,218 $ 4,040 $ 10,400 $ 8,760