CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net income	$ 21,434	$ 4,831	$ 13,609
Other comprehensive income (loss):
Change in unrealized gain, derivatives (net of tax of $0, $847 and $540, respectively)		1,009	1,574
Write-off of cumulative translation adjustments, net of taxes		4,676
Translation adjustments	(2,870)	1,777	12,955
Total other comprehensive (loss) income	(2,870)	7,462	14,529
Comprehensive income	$ 18,564	$ 12,293	$ 28,138