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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, 2019 | Dec. 31, 2018
--- | --- | ---
Intangible Assets |  |
Gross Carrying Amount | $ 142,300 | $ 142,300
Accumulated Amortization | (52,507) | (46,294)
Net Carrying Amount | 89,793 | 96,006
Trade Name |  |
Intangible Assets |  |
Gross Carrying Amount | 22,500 | 22,500
Accumulated Amortization | (8,804) | (7,721)
Net Carrying Amount | 13,696 | 14,779
Technological Know-How |  |
Intangible Assets |  |
Gross Carrying Amount | 55,300 | 55,300
Accumulated Amortization | (26,426) | (23,503)
Net Carrying Amount | 28,874 | 31,797
Customer-Related Intangible |  |
Intangible Assets |  |
Gross Carrying Amount | 64,500 | 64,500
Accumulated Amortization | (17,277) | (15,070)
Net Carrying Amount | $ 47,223 | $ 49,430

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