CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income	$ 5,955	$ 6,592	$ 10,447	$ 10,504
Other comprehensive Income:
Foreign currency translation adjustments	1,036	(3,711)	(998)	(1,656)
Pension liability adjustment, net of tax	166	139	331	277
Comprehensive income	$ 7,157	$ 3,020	$ 9,780	$ 9,125