Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in carrying amounts of goodwill

The changes in carrying amounts of goodwill during the three months ended March 31, 2015 were as follows:

	Metals Segment			Plastics Segment		Total
Balance as of January 1, 2015
Goodwill	$	116,377		$	12,973	$	129,350
Accumulated impairment losses	(116,377		)	—		(116,377		)
Balance as of January 1, 2015	—			12,973		12,973
Balance as of March 31, 2015
Goodwill	116,377			12,973		129,350
Accumulated impairment losses	(116,377		)	—		(116,377		)
Balance as of March 31, 2015	$	—		$	12,973	$	12,973

Summary of the components of intangible assets

The following table summarizes the components of intangible assets, all of which relate to the Metals reporting unit:

	March 31, 2015				December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer relationships	$	114,785	$	67,008	$	116,268	$	64,922
Non-compete agreements	3,888		3,888		3,888		3,888
Trade name	7,708		2,790		7,864		2,655
Developed technology	1,400		1,400		1,400		1,400
Total	$	127,781	$	75,086	$	129,420	$	72,865

Summary of the estimated annual amortization expense

The following is a summary of the estimated annual amortization expense for 2015 and each of the next 4 years:

2015	$	10,650
2016	10,650
2017	8,626
2018	4,514
2019	4,514