Goodwill and Intangible Assets, Net (Schedule Of Estimated Useful Lives For Intangible Assets) (Details)	12 Months Ended
	Dec. 31, 2017
Patents [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	13 years
Product Rights [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	15 years
Product Rights [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	5 years
Customer-Related Intangible Assets [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	17 years
Customer-Related Intangible Assets [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	5 years
Noncompete Agreements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	5 years
Noncompete Agreements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Assets, Estimated Useful Life	3 years