Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income	$ 6,488	$ 5,796	$ 22,683	$ 21,441
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	255	2,926	(5,590)	3,699
Pension liability	0	0	(75)	632
Total other comprehensive income (loss), net of tax	255	2,926	(5,665)	4,331
Comprehensive income	$ 6,743	$ 8,722	$ 17,018	$ 25,772