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Income Taxes (Schedule Of Income Tax Assets And Liabilities Financial Position) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]    
Current deferred tax asset $ 25,315 $ 25,139
Non-current deferred tax liability 227,237 232,531
Net deferred tax liability $ 201,922 $ 207,392