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Goodwill And Other Intangible Assets | 12 Months Ended
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Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill And Other Intangible Assets | 5. GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS A reconciliation of goodwill at December 31, 2024 and 2023 is as follows:
(In thousands) |  | Aluminum Extrusions(a) |  | PE Films(a) |  | Total
Net carrying value of goodwill at December 31, 2022 |  | $ | 13,271 |  |  | $ | 57,337 |  |  | $ | 70,608 |
Goodwill impairment |  | — |  |  | (34,891) |  |  | (34,891) |
Net carrying value of goodwill at December 31, 2023 |  | 13,271 |  |  | 22,446 |  |  | 35,717 |
Goodwill impairment |  | (13,271) |  |  | — |  |  | (13,271) |
Net carrying value of goodwill at December 31, 2024 |  | $ | — |  |  | $ | 22,446 |  |  | $ | 22,446 |
(a) The goodwill of Aluminum Extrusions and PE Films is carried by the Clearfield and Surface Protection reporting units, respectively.
A reconciliation of identifiable intangibles at December 31, 2024 and 2023 is as follows:
(In thousands) | Customer Relationships |  | Proprietary Technology |  | Trade Names |  | Total |
Gross carrying value at December 31, 2023 | $ | 25,900 |  |  | $ | 3,400 |  |  | $ | 11,500 |  |  | $ | 40,800 |  |
Accumulated amortization | (16,795) |  |  | (3,400) |  |  | (11,500) |  |  | (31,695) |  |
Net carrying value at December 31, 2023 | $ | 9,105 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,105 |  |
Gross carrying value at December 31, 2024 | $ | 25,900 |  |  | $ | — |  |  | $ | 6,700 |  |  | $ | 32,600 |  |
Accumulated amortization | (18,574) |  |  | — |  |  | (6,700) |  |  | (25,274) |  |
Net carrying value at December 31, 2024 | $ | 7,326 |  |  | $ | — |  |  | $ | — |  |  | $ | 7,326 |  |
Amortization expense over the next four years is expected to be $1.8 million per year and is expected to end in early 2029.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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