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Income Taxes (Components of Income Tax Expense (Benefit)) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
IncomeTaxExpenseBenefitAbstract    
Total income tax expense (benefit) on continuing operations $ 16,855 $ 49,998
IncomeTaxEffectsAllocatedDirectlyToEquityAbstract    
Other comprehensive income (loss) $ 6,784 $ (4,909)