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Goodwill And Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract] |
Reconciliation Of The Beginning And Ending Balance Of Goodwill | A reconciliation of goodwill at December 31, 2022 and 2021 is as follows:
(In thousands) |  | Aluminum Extrusions(a) |  | PE Films(a) |  | Total
Net carrying value of goodwill at December 31, 2020 |  | $ | 10,370 |  |  | $ | 57,338 |  |  | $ | 67,708 |
Out-of-period adjustment |  | 2,900 |  |  | — |  |  | 2,900 |
Net carrying value of goodwill at December 31, 2021 |  | 13,270 |  |  | 57,338 |  |  | 70,608 |
Net carrying value of goodwill at December 31, 2022 |  | $ | 13,270 |  |  | $ | 57,338 |  |  | $ | 70,608 |
(a) The goodwill of Aluminum Extrusions and PE Films is carried by the Futura and Surface Protection reporting units, respectively.
Schedule Of Goodwill And Other Intangibles |
(In thousands) | Customer Relationships |  | Proprietary Technology |  | Trade Names |  | Total |
Gross carrying value at December 31, 2022 | $ | 26,549 |  |  | $ | 3,726 |  |  | $ | 13,394 |  |  | $ | 43,669 |  |
Accumulated amortization | (15,467) |  |  | (3,672) |  |  | (12,840) |  |  | (31,979) |  |
Net carrying value at December 31, 2022 | $ | 11,082 |  |  | $ | 54 |  |  | $ | 554 |  |  | $ | 11,690 |  |
Gross carrying value at December 31, 2021(a) | $ | 26,526 |  |  | $ | 3,721 |  |  | $ | 13,338 |  |  | $ | 43,585 |  |
Accumulated amortization | (13,267) |  |  | (3,603) |  |  | (12,563) |  |  | (29,433) |  |
Net carrying value at December 31, 2021 | $ | 13,259 |  |  | $ | 118 |  |  | $ | 775 |  |  | $ | 14,152 |  |
(a) Includes a $2.9 million gross reclassification from customer relationship intangible assets to goodwill offset by a $0.9 million decrease to accumulated amortization as a result of the out-of-period adjustment. |
Schedule Of Expected Amortization Expense | Amortization expense over the next five years is expected to be as follows:
Year | Amount (In thousands)
2023 | $ | 1,894 |
2024 | 1,854 |
2025 | 1,854 |
2026 | 1,854 |
2027 | 1,854 |

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