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Goodwill And Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule Of Changes In The Carrying Value Of Goodwill |
| Total
| (Dollars in Thousands)
Balance as of December 31, 2016 | $ | 171,117 |
Adjustments | — |
Balance as of December 31, 2017 | 171,117 |
Adjustments | — |
Balance as of December 31, 2018 | $ | 171,117 |
Schedule Of Intangible Assets With Determinable Useful Lives By Major Category | The following table summarizes acquired intangible assets with determinable useful lives by major category which are included in "Other Assets" on our consolidated balance sheets:
| As of December 31, 2018 |  | As of December 31, 2017
Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
(Dollars in Thousands)
Trade name | $ | 22,500 |  |  | $ | (7,721 | ) |  | $ | 14,779 |  |  | $ | 22,500 |  |  | $ | (5,512 | ) |  | $ | 16,988 |
Technology and know-how | 55,300 |  |  | (23,503 | ) |  | 31,797 |  |  | 55,300 |  |  | (17,265 | ) |  | 38,035 |
Customer related intangible | 64,500 |  |  | (15,070 | ) |  | 49,430 |  |  | 64,500 |  |  | (10,637 | ) |  | 53,863 |
Total finite-lived intangible assets | $ | 142,300 |  |  | $ | (46,294 | ) |  | $ | 96,006 |  |  | $ | 142,300 |  |  | $ | (33,414 | ) |  | $ | 108,886 |

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