CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 6,095	$ 6,872	$ 11,843	$ 13,511
Unrealized holding gain arising during the period, net of tax	177	0	340	0
Less: reclassification adjustment for gains included in net income, net of tax	(418)	0	(418)	0
Interest rate swap, net of tax	0	(749)	0	(557)
Foreign currency translation adjustment, net of tax	(62)	70	52	391
Total other comprehensive income (loss)	(303)	(679)	(26)	(166)
Total comprehensive income	$ 5,792	$ 6,193	$ 11,817	$ 13,345