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Summary Of Significant Accounting Policies (Schedule Of Estimated Useful Lives For Intangible Assets) (Details)
 12 Months Ended
Dec. 31, 2015
Patents [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 13 years
Maximum [Member] | Product Rights [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 15 years [1]
Maximum [Member] | Customer-Related Intangible Assets [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 17 years [2]
Maximum [Member] | Noncompete Agreements [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 5 years
Minimum [Member] | Product Rights [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 5 years [1]
Minimum [Member] | Customer-Related Intangible Assets [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 5 years [2]
Minimum [Member] | Noncompete Agreements [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Assets, Estimated Useful Life 3 years
[1] Product rights comprise certain technologies, intellectual property, licenses and trade names acquired from third parties.Customer-related intangible assets comprise customer lists and customer relationships acquired from third parties.
[2] Customer-related intangible assets comprise customer lists and customer relationships acquired from third parties.