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Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Goodwill And Other Intangible Assets [Line Items]    
Amortization of other intangible assets $ 3.0 $ 2.5
Customer Relationships [Member]    
Goodwill And Other Intangible Assets [Line Items]    
Estimated useful life 10 years