Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Goodwill [Roll Forward]
Balance, beginning	$ 309,660
Translation and purchase accounting adjustments	2,610
Balance, ending	312,270
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	158,060
Translation and purchase accounting adjustments	540
Balance, ending	158,600
Energy [Member]
Goodwill [Roll Forward]
Balance, beginning	75,920
Translation and purchase accounting adjustments	1,340
Balance, ending	77,260
Aerospace & Defense [Member]
Goodwill [Roll Forward]
Balance, beginning	61,080
Translation and purchase accounting adjustments	0
Balance, ending	61,080
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	7,180
Translation and purchase accounting adjustments	730
Balance, ending	$ 7,910