Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets [Abstract]

Changes in carrying amounts of goodwill

The changes in carrying amounts of goodwill during the nine months ended September 30, 2012 were as follows:

	Metals Segment			Plastics Segment		Total
Balance as of January 1, 2012
Goodwill	$	117,145		$	12,973	$	130,118
Accumulated impairment losses		(60,217	)		—		(60,217	)
Balance as of January 1, 2012		56,928			12,973		69,901
Currency valuation		615			—		615
Balance as of September 30, 2012
Goodwill		117,760			12,973		130,733
Accumulated impairment losses		(60,217	)		—		(60,217	)
Balance as of September 30, 2012	$	57,543		$	12,973	$	70,516

Summary of the components of intangible assets

The following summarizes the components of intangible assets:

	September 30, 2012				December 31, 2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	119,373	$	42,764	$	118,567	$	34,960
Non-compete agreements		3,888		3,152		3,888		2,902
Trade name		8,326		993		8,249		410
Developed technology		1,400		369		1,400		19
Total	$	132,987	$	47,278	$	132,104	$	38,291

Summary of the estimated annual amortization expense

The following is a summary of the estimated annual amortization expense for 2012 and each of the next 4 years:

2012	$	11,777
2013		11,777
2014		11,743
2015		10,977
2016		10,977