Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for the nine months ended September 30, 2020 are summarized as follows (dollars in thousands):



	Packaging		Aerospace		Specialty Products		Total
Balance, December 31, 2019	$	181,650	$	133,690	$	19,300	$	334,640
Goodwill from acquisitions	—		43,260		—		43,260
Goodwill reassigned in segment realignment	—		12,740		(12,740)		—
Impairment charge	—		(126,840)		—		(126,840)

Foreign currency translation and other	810		—		—		810
Balance, September 30, 2020	$	182,460	$	62,850	$	6,560	$	251,870

Schedule of Intangible Assets (excluding Goodwill) by Major Class

The Company amortizes its other intangible assets over periods ranging from one to 30 years. The gross carrying amounts and accumulated amortization of the Company's other intangibles are summarized below (dollars in thousands):


	As of September 30, 2020				As of December 31, 2019
Intangible Category by Useful Life	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Customer relationships, 5 – 12 years	$	100,610	$	(56,810)	$	73,860	$	(49,910)
Customer relationships, 15 – 25 years	122,270		(60,840)		122,280		(56,010)
Total customer relationships	222,880		(117,650)		196,140		(105,920)
Technology and other, 1 – 15 years	54,110		(32,020)		52,430		(29,790)
Technology and other, 17 – 30 years	43,300		(39,090)		43,300		(37,620)
Total technology and other	97,410		(71,110)		95,730		(67,410)
Indefinite-lived intangible assets:
Trademark/Trade names	44,060		—		42,850		—
Total other intangible assets	$	364,350	$	(188,760)	$	334,720	$	(173,330)

Schedule of Finite-Lived Intangible Assets, Amortization Expense

Amortization expense related to intangible assets as included in the accompanying consolidated statement of operations is summarized as follows (dollars in thousands):


	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Technology and other, included in cost of sales	$	1,240	$	1,190	$	3,710	$	3,590
Customer relationships, included in selling, general and administrative expenses	4,070		3,460		11,750		10,440
Total amortization expense	$	5,310	$	4,650	$	15,460	$	14,030