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

9 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the nine months ended September 30, 2015 are summarized as follows:

	Packaging			Aerospace		Energy			Engineered Components		Total
	(dollars in thousands)
Balance, December 31, 2014	$	169,350		$	210,130	$	73,180		$	7,420	$	460,080
Foreign currency translation and other	(2,560		)	—		(2,090		)	—		(4,650		)
Balance, September 30, 2015	$	166,790		$	210,130	$	71,090		$	7,420	$	455,430

Schedule of Intangible Assets (excluding Goodwill) by Major Class

The gross carrying amounts and accumulated amortization of the Company's other intangibles as of September 30, 2015 and December 31, 2014 are summarized below. The Company amortizes these assets over periods ranging from one to 30 years.

	As of September 30, 2015					As of December 31, 2014
Intangible Category by Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(dollars in thousands)
Finite-lived intangible assets:
Customer relationships, 5 – 12 years	$	74,970	$	(24,020	)	$	75,300	$	(18,180	)
Customer relationships, 15 – 25 years	132,230		(36,330		)	132,230		(31,140		)
Total customer relationships	207,200		(60,350		)	207,530		(49,320		)
Technology and other, 1 – 15 years	57,870		(21,800		)	58,040		(18,750		)
Technology and other, 17 – 30 years	43,310		(28,730		)	43,300		(27,150		)
Total technology and other	101,180		(50,530		)	101,340		(45,900		)
Indefinite-lived intangible assets:
Trademark/Trade names	83,730		—			83,770		—
Total other intangible assets	$	392,110	$	(110,880	)	$	392,640	$	(95,220	)

Schedule of Finite-Lived Intangible Assets, Amortization Expense

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

	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
	(dollars in thousands)
Technology and other, included in cost of sales	$	1,480	$	1,150	$	4,560	$	3,450
Customer relationships, included in selling, general and administrative expenses	3,730		2,570		11,230		7,450
Total amortization expense	$	5,210	$	3,720	$	15,790	$	10,900