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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Determinable Useful Lives By Major Category) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Intangible Assets
Gross Carrying Amount	$ 142,300	$ 142,300
Accumulated Amortization	(75,357)	(69,871)
Net Carrying Amount	66,943	72,429
Trade Name
Intangible Assets
Gross Carrying Amount	22,500	22,500
Accumulated Amortization	(12,946)	(11,932)
Net Carrying Amount	9,554	10,568
Technological Know-How
Intangible Assets
Gross Carrying Amount	55,300	55,300
Accumulated Amortization	(36,384)	(34,091)
Net Carrying Amount	18,916	21,209
Customer-Related Intangible
Intangible Assets
Gross Carrying Amount	64,500	64,500
Accumulated Amortization	(26,027)	(23,848)
Net Carrying Amount	$ 38,473	$ 40,652

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Name Accounting Standards Codification
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