Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Consolidated Statements of Comprehensive Income
Net income	$ 3,649	$ 4,927
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustment	(1,750)	(1,823)
Reclassification of pension liability adjustments to earnings (net of tax expense: $21 and $36)	41	69
Other comprehensive loss, net of tax	(1,709)	(1,754)
Comprehensive income	$ 1,940	$ 3,173