Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 2,802	$ 1,027
Foreign currency translation adjustment	207	(823)
Deferred gain on available for sale securities	65	38
Current period cash flow hedging activity, net of $680 and $320 tax benefit in the three months ended March 31, 2016 and March 31, 2015, respectively.	(1,367)	(595)
Reclassification of hedging activities into earnings, net of $61 and $99 tax benefit in the three months ended March 31, 2016 and March 31, 2015, respectively.	75	185
Reclassification of pension and postretirement adjustments into earnings, net of $99 and $108 tax benefit in the three months ended March 31, 2016 and March 31, 2015, respectively.	149	259
Total other comprehensive income (loss)	(871)	(936)
Comprehensive income	$ 1,931	$ 91