Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill for the three months ended March 31, 2013 are summarized as follows:

	Packaging			Energy		Aerospace & Defense		Engineered Components		Cequent Asia Pacific		Cequent Americas		Total
	(dollars in thousands)
Balance, December 31, 2012	$	158,980		$	64,210	$	41,130	$	3,180	$	—	$	3,440	$	270,940
Goodwill from acquisitions	—			6,720		8,420		—		—		—		15,140
Foreign currency translation	(1,790		)	50		—		—		—		40		(1,700		)
Balance, March 31, 2013	$	157,190		$	70,980	$	49,550	$	3,180	$	—	$	3,480	$	284,380

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, 2013 and December 31, 2012 are summarized below. The Company amortizes these assets over periods ranging from 1 to 30 years.

	As of March 31, 2013					As of December 31, 2012
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	$	93,500	$	(31,910	)	$	85,740	$	(30,080	)
Customer relationships, 15 – 25 years	154,610		(88,020		)	154,610		(85,960		)
Total customer relationships	248,110		(119,930		)	240,350		(116,040		)
Technology and other, 1 – 15 years	37,860		(26,950		)	37,130		(26,320		)
Technology and other, 17 – 30 years	43,840		(23,630		)	43,800		(23,070		)
Total technology and other	81,700		(50,580		)	80,930		(49,390		)
Indefinite-lived intangible assets:
Trademark/Trade names	51,670		—			50,310		—
Total other intangible assets	$	381,480	$	(170,510	)	$	371,590	$	(165,430	)

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,
	2013		2012
	(dollars in thousands)
Technology and other, included in cost of sales	$	1,210	$	1,070
Customer relationships, included in selling, general and administrative expenses	3,870		3,130
Total amortization expense	$	5,080	$	4,200