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Goodwill And Other Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule Of Intangible Assets With Determinable Useful Lives By Major Category
Intangible Assets
 March 31, 2023December 31, 2022
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
(Dollars in thousands)
Trade names$22,500 $(16,342)$6,158 $22,500 $(15,869)$6,631 
Technology and know-how55,300 (43,263)12,037 55,300 (42,371)12,929 
Customer-related intangibles64,500 (33,587)30,913 64,500 (32,513)31,987 
Total finite-lived intangible assets$142,300 $(93,192)$49,108 $142,300 $(90,753)$51,547