Goodwill and Other Intangible Assets Goodwill Rollforward (Details) $ in Thousands	3 Months Ended
Mar. 31, 2016 USD ($)
Goodwill [Roll Forward]
Balance, beginning	$ 378,920
Translation and purchase accounting adjustments	330
Balance, ending	379,250
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	165,730
Translation and purchase accounting adjustments	330
Balance, ending	166,060
Energy [Member]
Goodwill [Roll Forward]
Balance, beginning	0
Translation and purchase accounting adjustments	0
Balance, ending	0
Aerospace [Member]
Goodwill [Roll Forward]
Balance, beginning	206,630
Translation and purchase accounting adjustments	0
Balance, ending	206,630
Engineered Components [Member]
Goodwill [Roll Forward]
Balance, beginning	6,560
Translation and purchase accounting adjustments	0
Balance, ending	$ 6,560

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of increase (decrease) from foreign currency translation adjustments and purchase accounting adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Details

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