Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2011

Goodwill and Other Intangible Assets

Schedule of changes in carrying amounts of goodwill by segment

Goodwill by Segment (In thousands)	Harsco Metals & Minerals Segment			Harsco Infrastructure Segment			Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2010	$	418,276		$	263,212		$	9,299	$	690,787
Changes to goodwill	—			(113		)	11		(102		)
Foreign currency translation	(2,237		)	411			—		(1,826		)
Balance at September 30, 2011	$	416,039		$	263,510		$	9,310	$	688,859

Schedule of intangible assets by category

	September 30, 2011				December 31, 2010
Intangible Assets by Category (In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	185,102	$	114,567	$	184,864	$	98,104
Non-compete agreements	1,364		1,306		1,386		1,317
Patents	6,937		5,098		6,976		4,868
Technology related	29,562		13,926		29,821		11,863
Trade names	18,450		7,537		18,635		5,188
Other	9,944		7,889		8,095		7,478
Total	$	251,359	$	150,323	$	249,777	$	128,818

Schedule of amortization expense

	Three Months Ended September 30				Nine Months Ended September 30
(In thousands)	2011		2010		2011		2010
Amortization expense for intangible assets	$	7,898	$	8,262	$	23,690	$	24,823

Schedule of estimated amortization expense

(In thousands)	2011		2012		2013		2014		2015
Estimated amortization expense	$	31,000	$	17,500	$	16,000	$	13,500	$	8,500