Goodwill And Intangible Assets, Net (Schedule Of Intangible Assets Other Than Goodwill) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Cost		$ 125,729	$ 131,402
Accumulated Amortization		69,820	66,280
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Cost		2,192	4,871
Accumulated Amortization		1,907	4,308
Product Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	[1]	35,318	36,912
Accumulated Amortization	[1]	22,976	20,657
Customer-Related Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	[2]	86,806	88,494
Accumulated Amortization	[2]	44,232	40,933
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Cost		1,413	1,125
Accumulated Amortization		$ 705	$ 382

[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.