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Summary Of Significant Accounting Policies (Evaluation Of Asset Impairment, Foreign Currency Exchange Translation, And Discontinued Operations) (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Trading Activity, Gains and Losses, Net [Line Items]      
Impairment of goodwill $ 0 $ 0 $ 0
Exchange rate 1.377 1.322  
Gain on disposition of real estate facilities $ 12.1 $ 2.7  
Foreign Currency Average Exchange Rate [Member]
     
Trading Activity, Gains and Losses, Net [Line Items]      
Average exchange rates USD to Euro 1.328 1.285 1.392
Foreign Currency Actual [Member]
     
Trading Activity, Gains and Losses, Net [Line Items]      
Exchange rate 1.377 1.322