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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Statement of Comprehensive Income [Abstract] |  |  |
Net income | $ 10,514 | $ 42,151 | $ 33,484
Other comprehensive income (loss):- Currency translation adjustment | (2,488) | (3,292) | (4,468)
Pension adjustment, net of tax of $624 | (1,211) |  |
Comprehensive income | $ 6,815 | $ 38,859 | $ 29,016

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