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Goodwill And Other Intangible Assets (Schedule Of Intangible Assets With Determinable Useful Lives By Major Category) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Gross Carrying Amount	$ 142,300	$ 142,300
Accumulated Amortization	(80,616)	(69,871)
Net Carrying Amount	61,684	72,429
Trade Name [Member]
Goodwill [Line Items]
Gross Carrying Amount	22,500	22,500
Accumulated Amortization	(13,935)	(11,932)
Net Carrying Amount	8,565	10,568
Technological Know-How [Member]
Goodwill [Line Items]
Gross Carrying Amount	55,300	55,300
Accumulated Amortization	(38,486)	(34,091)
Net Carrying Amount	16,814	21,209
Customer Related Intangible [Member]
Goodwill [Line Items]
Gross Carrying Amount	64,500	64,500
Accumulated Amortization	(28,195)	(23,848)
Net Carrying Amount	$ 36,305	$ 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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- Definition

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
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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- Definition

Amount after 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 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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