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Income Taxes (Details 1) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
United States and Other Jurisdictions:      
United States $ 178,270 $ (82,723) $ (505,264)
Other jurisdictions 309,499 376,293 574,048
Income (loss) from continuing operations before income tax $ 487,769 $ 293,570 $ 68,784