Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Determinable Useful Lives By Major Category) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Line Items]
Gross Carrying Amount	$ 162,047	$ 162,047
Accumulated Amortization	(86,949)	(67,190)
Net Carrying Amount	75,098us-gaap_FiniteLivedIntangibleAssetsNet	94,857us-gaap_FiniteLivedIntangibleAssetsNet
Trade Name [Member]
Goodwill [Line Items]
Gross Carrying Amount	7,900	7,900
Accumulated Amortization	(4,817)	(3,944)
Net Carrying Amount	3,083	3,956
Technological Know-How [Member]
Goodwill [Line Items]
Gross Carrying Amount	43,349	43,349
Accumulated Amortization	(24,940)	(18,582)
Net Carrying Amount	18,409	24,767
Customer Related Intangible [Member]
Goodwill [Line Items]
Gross Carrying Amount	110,798	110,798
Accumulated Amortization	(57,192)	(44,664)
Net Carrying Amount	$ 53,606	$ 66,134

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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