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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 $ 103,637 $ 53,548 $ 22,644
Other comprehensive income, net of taxes:      
Change in cumulative translation adjustment (20,022) (12,077) 8,945
Change in unrealized gain (loss) on available-for-sale securities 23 0 (66)
Change in minumum pension liability 0 0 (36)
Changes due to cash flow hedging instruments:      
Net (loss) gain on hedge instruments (910) (1,466) 440
Reclassification to net income of previously deferred (gains) losses related to hedge derivatives instruments (3,641) 2,057 844
Comprehensive income $ 79,087 $ 42,062 $ 32,771