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	$ 4,575	$ 3,875	$ 15,022	$ 14,379
Other comprehensive income:
Foreign currency translation adjustments	2,772	1,039	1,774	(617)
Pension liability adjustment, net of tax	166	138	497	415
Comprehensive income	$ 7,513	$ 5,052	$ 17,293	$ 14,177