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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the net carrying amount of goodwill by operating segment were as follows:
(Dollars in thousands) | Advanced Connectivity Solutions |  | Elastomeric Material Solutions |  | Power Electronics Solutions |  | Other |  | Total
December 31, 2019 | $ | 51,694 |  |  | $ | 142,030 |  |  | $ | 66,982 |  |  | $ | 2,224 |  |  | $ | 262,930 |
Foreign currency translation adjustment | — |  |  | (598) |  |  | 137 |  |  | — |  |  | $ | (461) |
June 30, 2020 | $ | 51,694 |  |  | $ | 141,432 |  |  | $ | 67,119 |  |  | $ | 2,224 |  |  | $ | 262,469 |
Schedule of Intangible Assets | The gross and net carrying amounts, as well as the accumulated amortization of other intangible assets were as follows:
| June 30, 2020 |  |  |  |  |  | December 31, 2019 |  |  |  |
(Dollars in thousands) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships | $ | 149,180 |  |  | $ | 46,109 |  |  | $ | 103,071 |  |  | $ | 149,317 |  |  | $ | 39,018 |  |  | $ | 110,299 |
Technology | 80,935 |  |  | 48,181 |  |  | 32,754 |  |  | 80,938 |  |  | 45,190 |  |  | 35,748 |
Trademarks and trade names | 11,967 |  |  | 5,185 |  |  | 6,782 |  |  | 11,994 |  |  | 4,361 |  |  | 7,633 |
Covenants not to compete | 1,340 |  |  | 666 |  |  | 674 |  |  | 1,340 |  |  | 505 |  |  | 835 |
Total definite-lived other intangible assets | 243,422 |  |  | 100,141 |  |  | 143,281 |  |  | 243,589 |  |  | 89,074 |  |  | 154,515 |
Indefinite-lived other intangible asset | 4,441 |  |  | — |  |  | 4,441 |  |  | 4,432 |  |  | — |  |  | 4,432 |
Total other intangible assets | $ | 247,863 |  |  | $ | 100,141 |  |  | $ | 147,722 |  |  | $ | 248,021 |  |  | $ | 89,074 |  |  | $ | 158,947 |
Schedule of Weighted Average Amortization Period, by Intangible Asset Class | The weighted average amortization period as of June 30, 2020, by definite-lived other intangible asset class, was as follows:
Definite-Lived Other Intangible Asset Class |  | Weighted Average Remaining Amortization Period
Customer relationships |  | 5.0 years
Technology |  | 4.0 years
Trademarks and trade names |  | 3.2 years
Covenants not to compete |  | 1.4 years
Total definite-lived other intangible assets |  | 4.7 years

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