Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements of Comprehensive Income
Net income	$ 9,116	$ 9,793	$ 19,627	$ 22,015
Other comprehensive (loss) income, net of tax:
Foreign currency translation adjustment	(2,693)	1,480	(2,648)	(1,790)
Reclassification of pension liability adjustments to earnings, net of tax expense of $24, $36 and $71, $109	47	72	137	211
Other comprehensive (loss) income, net of tax	(2,646)	1,552	(2,511)	(1,579)
Comprehensive income	$ 6,470	$ 11,345	$ 17,116	$ 20,436