Goodwill and Other Intangible Assets Goodwill Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Goodwill [Roll Forward]
Balance, beginning	$ 466,660
Translation and purchase accounting adjustments	(4,960)
Balance, ending	461,700
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	169,350
Translation and purchase accounting adjustments	(2,810)
Balance, ending	166,540
Energy [Member]
Goodwill [Roll Forward]
Balance, beginning	73,180
Translation and purchase accounting adjustments	(1,040)
Balance, ending	72,140
Aerospace [Member]
Goodwill [Roll Forward]
Balance, beginning	210,130
Translation and purchase accounting adjustments	0
Balance, ending	210,130
Engineered Components [Member]
Goodwill [Roll Forward]
Balance, beginning	7,420
Translation and purchase accounting adjustments	0
Balance, ending	7,420
Cequent Asia Pacific Europe Africa [Member]
Goodwill [Roll Forward]
Balance, beginning	0
Translation and purchase accounting adjustments	0
Balance, ending	0
Cequent Americas [Member]
Goodwill [Roll Forward]
Balance, beginning	6,580
Translation and purchase accounting adjustments	(1,110)
Balance, ending	$ 5,470