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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in the carrying amount of goodwill, by segment | The changes in the carrying amount of goodwill for the period ending December 31, 2019, by operating segment, were as follows:
(Dollars in thousands) | Advanced Connectivity Solutions |  | Elastomeric Material Solutions |  | Power Electronics Solutions |  | Other |  | Total
December 31, 2018 | $ | 51,694 |  |  | $ | 142,588 |  |  | $ | 68,379 |  |  | $ | 2,224 |  |  | $ | 264,885 |
Foreign currency translation adjustment | — |  |  | (558 | ) |  | (1,397 | ) |  | — |  |  | (1,955 | )
December 31, 2019 | $ | 51,694 |  |  | $ | 142,030 |  |  | $ | 66,982 |  |  | $ | 2,224 |  |  | $ | 262,930 |
Intangible assets | The changes in the carrying amount of other intangible assets for the two-year period ending December 31, 2019, were as follows:
| December 31, 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 | $ | 149,317 |  |  | $ | 39,018 |  |  | $ | 110,299 |  |  | $ | 149,753 |  |  | $ | 30,078 |  |  | $ | 119,675 |
Technology | 80,938 |  |  | 45,190 |  |  | 35,748 |  |  | 81,535 |  |  | 38,624 |  |  | 42,911 |
Trademarks and trade names | 11,994 |  |  | 4,361 |  |  | 7,633 |  |  | 12,019 |  |  | 3,213 |  |  | 8,806 |
Covenants not to compete | 1,340 |  |  | 505 |  |  | 835 |  |  | 1,340 |  |  | 249 |  |  | 1,091 |
Total definite-lived other intangible assets | 243,589 |  |  | 89,074 |  |  | 154,515 |  |  | 244,647 |  |  | 72,164 |  |  | 172,483 |
Indefinite-lived other intangible asset | 4,432 |  |  | — |  |  | 4,432 |  |  | 4,525 |  |  | — |  |  | 4,525 |
Total other intangible assets | $ | 248,021 |  |  | $ | 89,074 |  |  | $ | 158,947 |  |  | $ | 249,172 |  |  | $ | 72,164 |  |  | $ | 177,008 |
Weighted average amortization period, by intangible asset class | The weighted average amortization period as of December 31, 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 | 7.3
Technology | 4.1
Trademarks and trade names | 4.9
Covenants not to compete | 1.6
Total definite-lived other intangible assets | 6.4

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