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

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the three months ended March 31, 2015 are summarized as follows:

	Packaging			Energy			Aerospace		Engineered Components		Cequent APEA		Cequent Americas			Total
	(dollars in thousands)
Balance, December 31, 2014	$	169,350		$	73,180		$	210,130	$	7,420	$	—	$	6,580		$	466,660
Foreign currency translation and other	(2,810		)	(1,040		)	—		—		—		(1,110		)	(4,960		)
Balance, March 31, 2015	$	166,540		$	72,140		$	210,130	$	7,420	$	—	$	5,470		$	461,700

Schedule of Intangible Assets (excluding Goodwill) by Major Class

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

	As of March 31, 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	$	108,530	$	(46,380	)	$	109,460	$	(44,370	)
Customer relationships, 15 – 25 years	237,610		(106,600		)	237,610		(103,390		)
Total customer relationships	346,140		(152,980		)	347,070		(147,760		)
Technology and other, 1 – 15 years	72,560		(33,840		)	71,830		(32,250		)
Technology and other, 17 – 30 years	43,300		(27,670		)	44,120		(27,560		)
Total technology and other	115,860		(61,510		)	115,950		(59,810		)
Indefinite-lived intangible assets:
Trademark/Trade names	107,330		—			108,480		—
Total other intangible assets	$	569,330	$	(214,490	)	$	571,500	$	(207,570	)

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 March 31,
	2015		2014
	(dollars in thousands)
Technology and other, included in cost of sales	$	1,660	$	1,230
Customer relationships, included in selling, general and administrative expenses	5,560		4,250
Total amortization expense	$	7,220	$	5,480