Goodwill And Intangible Assets, Net (Schedule Of Intangible Assets Other Than Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Cost	$ 131,402		$ 138,288
Accumulated Amortization	66,280		79,444
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	4,871		9,547
Accumulated Amortization	4,308		8,619
Product Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	36,912	[1]	38,670	[1]
Accumulated Amortization	20,657	[1]	25,796	[1]
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	88,494	[2]	82,940	[2]
Accumulated Amortization	40,933	[2]	38,800	[2]
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	1,125		7,131
Accumulated Amortization	$ 382		$ 6,229

[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.