Goodwill and Other Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Changes in the carrying amount of goodwill for the three months ended March 31, 2022 are summarized as follows (dollars in thousands):



	Packaging		Aerospace		Specialty Products		Total
Balance, December 31, 2021	$	238,740	$	70,190	$	6,560	$	315,490
Goodwill from acquisitions	32,210		—		—		32,210



Foreign currency translation and other	(2,770)		80		—		(2,690)
Balance, March 31, 2022	$	268,180	$	70,270	$	6,560	$	345,010

Other Intangible Assets

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 March 31, 2022				As of December 31, 2021
Intangible Category by Useful Life	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Finite-lived intangible assets:
Customer relationships, 5 – 12 years	$	132,980	$	(73,500)	$	124,310	$	(71,150)
Customer relationships, 15 – 25 years	130,270		(69,750)		130,190		(68,190)
Total customer relationships	263,250		(143,250)		254,500		(139,340)
Technology and other, 1 – 15 years	57,000		(36,900)		57,060		(36,140)
Technology and other, 17 – 30 years	43,300		(40,030)		43,300		(39,920)
Total technology and other	100,300		(76,930)		100,360		(76,060)
Indefinite-lived intangible assets:
Trademark/Trade names	60,890		—		57,270		—
Total other intangible assets	$	424,440	$	(220,180)	$	412,130	$	(215,400)

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


	Three months ended March 31,
		2022		2021
Technology and other, included in cost of sales		$	900	$	950
Customer relationships, included in selling, general and administrative expenses		4,390		4,440
Total amortization expense		$	5,290	$	5,390