Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,027	$ (1,524)
Foreign currency translation adjustment	(823)	(174)
Deferred gain on available for sale securities	38	63
Current period cash flow hedging activity, net of $320 and $225 tax benefit in the three months ended March 31, 2015 and March 31, 2014, respectively.	(595)	(407)
Reclassification of hedging activities into earnings, net of $99 and $96 tax benefit in the three months ended March 31, 2015 and March 31, 2014, respectively.	185	180
Reclassification of pension and postretirement adjustments into earnings, net of $108 and $83 tax benefit in the three months ended March 31, 2015 and March 31, 2014, respectively.	259	158
Total other comprehensive loss	(936)	(180)
Comprehensive income (loss)	$ 91	$ (1,704)