Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amounts of goodwill

The changes in carrying amounts of goodwill during the years ended December 31, 2012 and 2011 were as follows:

	2012								2011
	Metals Segment			Plastics Segment		Total			Metals Segment			Plastics Segment		Total
Balance as of January 1
Goodwill	$	117,145		$	12,973	$	130,118		$	97,354		$	12,973	$	110,327
Accumulated impairment losses	(60,217		)	—		(60,217		)	(60,217		)	—		(60,217		)
	56,928			12,973		69,901			37,137			12,973		50,110
Acquisition of Tube Supply	—			—		—			19,637			—		19,637
Currency valuation	399			—		399			154			—		154
Balance as of December 31
Goodwill	117,544			12,973		130,517			117,145			12,973		130,118
Accumulated impairment losses	(60,217		)	—		(60,217		)	(60,217		)	—		(60,217		)
	$	57,327		$	12,973	$	70,300		$	56,928		$	12,973	$	69,901

Summary of the components of intangible assets

The following summarizes the components of intangible assets at December 31, 2012 and 2011 :

	2012				2011
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	119,118	$	45,317	$	118,567	$	34,960
Non-compete agreements	3,888		3,235		3,888		2,902
Trade names	8,297		1,188		8,249		410
Developed technology	1,400		486		1,400		19
Total	$	132,703	$	50,226	$	132,104	$	38,291

Summary of the estimated annual amortization expense

The following is a summary of the estimated annual amortization expense for each of the next 5 years:

2013	$	11,775
2014	11,742
2015	10,975
2016	10,975
2017	8,951