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Property, Plant And Equipment, Intangible Assets And Goodwill (Schedule Of Future Amortization Expenses) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Property, Plant And Equipment, Intangible Assets And Goodwill [Abstract]  
2013 $ 283,385
2014 263,561
2015 237,200
2016 222,531
2017 $ 196,689