Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill and Other Intangible Assets

Schedule of changes in carrying amounts of goodwill by segment

(In thousands)	Harsco Metals & Minerals Segment		Harsco Infrastructure Segment			Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2011	$	411,876	$	259,715		$	9,310	$	680,901
Changes to goodwill	—		(807		)	—		(807		)
Foreign currency translation	6,855		5,877			—		12,732
Balance at March 31, 2012	$	418,731	$	264,785		$	9,310	$	692,826

Schedule of intangible assets by class

	March 31, 2012				December 31, 2011
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	186,093	$	124,415	$	183,576	$	119,708
Non-compete agreements	1,374		1,325		1,353		1,301
Patents	6,950		5,270		6,884		5,145
Technology related	29,738		15,466		29,497		14,614
Trade names	18,700		9,276		18,538		8,379
Other	11,461		8,115		10,749		7,949
Total	$	254,316	$	163,867	$	250,597	$	157,096

Schedule of amortization expense

	Three Months Ended March 31
(In thousands)	2012		2011
Amortization expense for intangible assets	$	5,308	$	7,849

Schedule of estimated amortization expense

(In thousands)	2012		2013		2014		2015		2016
Estimated amortization expense	$	17,500	$	15,750	$	13,500	$	8,750	$	7,500