CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net income	$ 3,055	$ 34,044
Foreign currency translation adjustments, net of tax of $4,099 and $(4,736)	(6,688)	7,728
Reclassification of cash flow hedges into earnings, net of tax of $660	(1,076)
Unrealized gain on cash flow hedges, net of tax of $(1,287) and $(268)	2,100	437
Comprehensive income (loss)	$ (2,609)	$ 42,209