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Goodwill And Other Intangibles (Schedule Of Estimated Amortization Of Intangibles) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
Estimated amortization of intangible assets, subsequent years 5 years
2013 $ 184,765
2014 159,090
2015 153,809
2016 152,582
2017 $ 141,111