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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | The changes in the carrying amount of goodwill from December 31, 2018 to June 30, 2019 by operating segment, were as follows:
(Dollars in thousands) | Advanced Connectivity Solutions |  | Elastomeric Material Solutions |  | Power Electronics Solutions |  | Other |  | Total
December 31, 2018 | $ | 51,693 |  |  | $ | 142,589 |  |  | $ | 68,379 |  |  | $ | 2,224 |  |  | $ | 264,885 |
Foreign currency translation adjustment | — |  |  | (538 | ) |  | (543 | ) |  | — |  |  | (1,081 | )
June 30, 2019 | $ | 51,693 |  |  | $ | 142,051 |  |  | $ | 67,836 |  |  | $ | 2,224 |  |  | $ | 263,804 |
Intangible Assets | The gross carrying amount, accumulated amortization and net carrying amount of other intangible assets as of June 30, 2019 and December 31, 2018 by classification type, were as follows:
| June 30, 2019 |  | December 31, 2018
(Dollars in thousands) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships | $ | 149,496 |  |  | $ | 34,508 |  |  | $ | 114,988 |  |  | $ | 149,753 |  |  | $ | 30,078 |  |  | $ | 119,675 |
Technology | 81,273 |  |  | 41,943 |  |  | 39,330 |  |  | 81,535 |  |  | 38,624 |  |  | 42,911 |
Trademarks and trade names | 11,995 |  |  | 3,779 |  |  | 8,216 |  |  | 12,019 |  |  | 3,213 |  |  | 8,806 |
Covenants not to compete | 1,340 |  |  | 377 |  |  | 963 |  |  | 1,340 |  |  | 249 |  |  | 1,091 |
Total definite-lived other intangible assets | 244,104 |  |  | 80,607 |  |  | 163,497 |  |  | 244,647 |  |  | 72,164 |  |  | 172,483 |
Indefinite-lived other intangible asset | 4,488 |  |  | — |  |  | 4,488 |  |  | 4,525 |  |  | — |  |  | 4,525 |
Total other intangible assets | $ | 248,592 |  |  | $ | 80,607 |  |  | $ | 167,985 |  |  | $ | 249,172 |  |  | $ | 72,164 |  |  | $ | 177,008 |
Weighted Average Amortization Period, by Intangible Asset Class | The weighted average amortization period as of June 30, 2019, by definite-lived other intangible asset class, is presented in the table below:
Definite-Lived Other Intangible Asset Class |  | Weighted Average Remaining Amortization Period
Customer relationships |  | 7.4 years
Technology |  | 4.2 years
Trademarks and trade names |  | 4.9 years
Covenants not to compete |  | 1.8 years
Total definite-lived other intangible assets |  | 6.5 years

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