Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Reconciliation Of The Beginning And Ending Balance Of Goodwill

A reconciliation of goodwill at December 31, 2023 and 2022 is as follows:

(In thousands)	Aluminum Extrusions(a)		PE Films(a)		Total
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
Goodwill impairment	—		(34,891)		(34,891)
Net carrying value of goodwill at December 31, 2023	$	13,270	$	22,447	$	35,717
(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, 2023	$	26,575	$	3,732	$	13,460	$	43,767
Accumulated amortization	(17,270)		(3,687)		(12,959)		(33,916)
Net carrying value at December 31, 2023	$	9,305	$	45	$	501	$	9,851