Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

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, 2013 and 2012 were as follows:

	2013								2012
	Metals Segment			Plastics Segment		Total			Metals Segment			Plastics Segment		Total
Balance as of January 1
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
Currency valuation	(1,011		)	—		(1,011		)	399			—		399
Balance as of December 31
Goodwill	116,533			12,973		129,506			117,544			12,973		130,517
Accumulated impairment losses	(60,217		)	—		(60,217		)	(60,217		)	—		(60,217		)
	$	56,316		$	12,973	$	69,289		$	57,327		$	12,973	$	70,300

Summary of the components of intangible assets

The following summarizes the components of the Company's intangible assets at December 31, 2013 and 2012:

	2013				2012
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	117,794	$	55,157	$	119,118	$	45,317
Non-compete agreements	3,888		3,569		3,888		3,235
Trade names	8,025		1,939		8,297		1,188
Developed technology	1,400		953		1,400		486
Total	$	131,107	$	61,618	$	132,703	$	50,226

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:

2014	$	11,700
2015	10,933
2016	10,933
2017	8,910
2018	4,790