Financial Instruments (Fair Values Of Derivative Instruments) (Details) (Derivatives designated as hedging instruments [Member], USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Derivatives, Fair Value [Line Items]    
Fair Value of Derivative Assets $ 1,271 $ 1,830
Other assets (non-current) [Member] | Interest rate contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Fair Value of Derivative Assets $ 1,271 $ 1,830