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Goodwill And Other Intangible Assets (Schedule Of Estimated Amortization Expense For Future Years) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Sep. 30, 2012
Dec. 31, 2011
Goodwill And Other Intangible Assets [Abstract]      
2013   $ 7,714  
2014   5,800  
2015   4,688  
2016   3,767  
2017   2,523  
Thereafter   4,728  
Net Carrying Amount $ 29,220 $ 29,220 $ 33,624