Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Consolidated Statements of Comprehensive Income
Net income	$ 6,862	$ 7,295	$ 10,511	$ 12,222
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	1,795	(1,447)	45	(3,270)
Reclassification of pension liability adjustments to earnings, net of tax expense: $26, $36 and $47, $72	49	70	90	139
Other comprehensive income (loss), net of tax	1,844	(1,377)	135	(3,131)
Comprehensive income	$ 8,706	$ 5,918	$ 10,646	$ 9,091