Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Roll Forward]
Balance, beginning	$ 270,940	$ 215,360
Goodwill from acquisitions	43,040	54,390
Goodwill, Written off Related to Sale of Business Unit	(2,060)
Foreign currency translation	(2,260)	1,190
Balance, ending	309,660	270,940
Packaging [Member]
Goodwill [Roll Forward]
Balance, beginning	158,980	122,330
Goodwill from acquisitions	0	35,420
Goodwill, Written off Related to Sale of Business Unit	(2,060)
Foreign currency translation	1,140	1,230
Balance, ending	158,060	158,980
Energy [Member]
Goodwill [Roll Forward]
Balance, beginning	64,210	48,720
Goodwill from acquisitions	14,440	15,500
Goodwill, Written off Related to Sale of Business Unit	0
Foreign currency translation	(2,730)	(10)
Balance, ending	75,920	64,210
Aerospace & Defense [Member]
Goodwill [Roll Forward]
Balance, beginning	41,130	41,130
Goodwill from acquisitions	19,950	0
Goodwill, Written off Related to Sale of Business Unit	0
Foreign currency translation	0	0
Balance, ending	61,080	41,130
Engineered Components [Member]
Goodwill [Roll Forward]
Balance, beginning	3,180	3,180
Goodwill from acquisitions	4,240	0
Goodwill, Written off Related to Sale of Business Unit	0
Foreign currency translation	0	0
Balance, ending	7,420	3,180
Cequent Asia Pacific [Member]
Goodwill [Roll Forward]
Balance, beginning	0	0
Goodwill from acquisitions	0	0
Goodwill, Written off Related to Sale of Business Unit	0
Foreign currency translation	0	0
Balance, ending	0	0
Cequent Americas [Member]
Goodwill [Roll Forward]
Balance, beginning	3,440	0
Goodwill from acquisitions	4,410	3,470
Goodwill, Written off Related to Sale of Business Unit	0
Foreign currency translation	(670)	(30)
Balance, ending	$ 7,180	$ 3,440