Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

The following table reflects the changes in carrying amounts of goodwill by segment for the years ended December 31, 2015 and 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	(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
Changes to goodwill	(493		)	(33		)		3,490		(b)	2,964
Foreign currency translation	(18,752		)	—				—			(18,752		)
Balance at December 31, 2015	$	380,761		$	6,806			$	12,800		$	400,367


(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.


(b)	Changes to goodwill in the Harsco Rail Segment relate to the acquisitions of Protran and JK Rail. See Note 3, Acquisitions and Dispositions.

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

As part of the acquisition of Protran and JK Rail as discussed in Note 3, Acquisitions and Dispositions, 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	$	3,398	None	19 years
Trade names	580		None	20 years
Other	100		None	1 year
Total	$	4,078

The following table reflects these intangible assets by major category:



	December 31, 2015				December 31, 2014
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	153,287	$	111,227	$	157,530	$	112,211
Non-compete agreements	1,092		1,092		1,107		1,039
Patents	5,882		5,495		6,079		5,399
Technology related	25,559		23,089		26,548		21,233
Trade names	8,303		4,194		7,745		3,733
Other	8,701		4,669		7,420		4,290
Total	$	202,824	$	149,766	$	206,429	$	147,905

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)	2016		2017		2018		2019		2020
Estimated amortization expense (a)	$	8,000	$	5,500	$	5,250	$	4,750	$	4,500


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