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Goodwill And Other Intangible Assets (Tables)
 12 Months Ended
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 adjustment2,900 — 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:
YearAmount
(In thousands)
2023$1,894 
20241,854 
20251,854 
20261,854 
20271,854