Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Goodwill [Roll Forward]
Balance, beginning	$ 309,660
Foreign currency translation	1,040
Balance, ending	310,700
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	158,060
Foreign currency translation	130
Balance, ending	158,190
Energy [Member]
Goodwill [Roll Forward]
Balance, beginning	75,920
Foreign currency translation	620
Balance, ending	76,540
Aerospace & Defense [Member]
Goodwill [Roll Forward]
Balance, beginning	61,080
Foreign currency translation	0
Balance, ending	61,080
Engineered Components [Member]
Goodwill [Roll Forward]
Balance, beginning	7,420
Foreign currency translation	0
Balance, ending	7,420
Cequent Asia Pacific Europe Africa [Member]
Goodwill [Roll Forward]
Balance, beginning	0
Foreign currency translation	0
Balance, ending	0
Cequent Americas [Member]
Goodwill [Roll Forward]
Balance, beginning	7,180
Foreign currency translation	290
Balance, ending	$ 7,470