Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amounts of goodwill by segment

The following table reflects the changes in carrying amounts of goodwill by segment for the three months endedMarch 31, 2014:

(In thousands)	Harsco Metals  & Minerals Segment			Harsco Industrial Segment		Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2013	$	421,955		$	—	$	9,310	$	431,265
Changes to goodwill (a)	—			7,949		—		7,949
Foreign currency translation	(367		)	—		—		(367		)
Balance at March 31, 2014	$	421,588		$	7,949	$	9,310	$	438,847

(a) Changes to goodwill relate to the acquisition of Hammco. See Note 3, Acquisitions and Dispositions.

Schedule of intangible assets by class

Intangible assets consist of the following:

	March 31, 2014				December 31, 2013
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	163,901	$	112,318	$	150,307	$	110,889
Non-compete agreements	1,126		1,032		1,126		1,024
Patents	6,237		5,344		6,211		5,273
Technology related	26,957		19,469		27,185		18,931
Trade names	7,667		3,159		4,113		2,969
Other	7,629		4,356		7,753		4,348
Total	$	213,517	$	145,678	$	196,695	$	143,434

Schedule of amortization expense

Amortization expense for intangible assets was as follows:

	Three Months Ended
	March 31
(In thousands)	2014		2013
Amortization expense for intangible assets	$	2,553	$	3,948

Schedule of estimated amortization expense

The estimated amortization expense for the next five fiscal years based on current intangible assets is as follows:

(In thousands)	2014		2015		2016		2017		2018
Estimated amortization expense (a)	$	10,000	$	8,500	$	8,000	$	5,000	$	4,750

(a) These estimated amortization expense amounts do not reflect the potential effect of future foreign currency exchange fluctuations.