Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

The following table reflects the changes in carrying amounts of goodwill by segment (there is no goodwill associated with the Harsco Infrastructure Segment) for the years ended December 31, 2014 and 2013:



(In thousands)	Harsco Metals & Minerals Segment			Harsco Industrial Segment			Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2012	$	419,888		$	—		$	9,310	$	429,198
Foreign currency translation	2,067			—			—		2,067
Balance at December 31, 2013	421,955			—			9,310		431,265
Changes to goodwill	(300		)	6,839		(a)	—		6,539
Foreign currency translation	(21,649		)	—			—		(21,649		)
Balance at December 31, 2014	$	400,006		$	6,839		$	9,310	$	416,155


(a)	Changes to goodwill relate to the initial acquisition of Hammco and related purchase price adjustments in accordance with U.S. GAAP occurring during the measurement period. See Note 3, Acquisitions and Dispositions.

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

The gross carrying amount of intangible assets increased in 2014 due to the acquisition of Hammco, as discussed in Note 3, Acquisitions and Dispositions. As part of this transaction, the Company acquired the following finite-lived intangible assets (by major class):



(In thousands)	Gross Carrying Amount		Residual Value	Weighted-average amortization period
Customer related	$	13,928	—	12 years
Trade names	3,647		—	15 years
Total	$	17,575

The following table reflects these intangible assets by major category:



	December 31, 2014				December 31, 2013
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	157,530	$	112,211	$	150,307	$	110,889
Non-compete agreements	1,107		1,039		1,126		1,024
Patents	6,079		5,399		6,211		5,273
Technology related	26,548		21,233		27,185		18,931
Trade names	7,745		3,733		4,113		2,969
Other	7,420		4,290		7,753		4,348
Total	$	206,429	$	147,905	$	196,695	$	143,434

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table shows the estimated amortization expense for the next five fiscal years based on current intangible assets.



(In thousands)	2015		2016		2017		2018		2019
Estimated amortization expense (a)	$	8,350	$	7,800	$	5,050	$	4,850	$	4,800


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