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CONSOLIDATED FINANCIAL STATEMENT DETAILS (Details 2) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Accumulated other comprehensive income (loss)    
Foreign currency translation adjustment, net of tax $ (19,002) $ (25,174)
Unrealized gains on available-for-sale securities, net of tax 37,455 12,731
Accumulated other comprehensive income (loss) $ 18,453 $ (12,443)