Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

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 nine months ended September 30, 2016:



(In thousands)	Harsco Metals & Minerals Segment			Harsco Industrial Segment		Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2015	$	380,761		$	6,806	$	12,800	$	400,367
Changes to goodwill	—			33		226		259
Foreign currency translation	(8,969		)	—		—		(8,969		)
Balance at September 30, 2016	$	371,792		$	6,839	$	13,026	$	391,657

Schedule of intangible assets by class

Intangible assets included in the captions, Other current assets and Intangible assets, net, on the Condensed Consolidated Balance Sheets consist of the following:



	September 30, 2016				December 31, 2015
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	149,719	$	113,482	$	153,287	$	111,227
Non-compete agreements	1,096		1,096		1,092		1,092
Patents	5,783		5,532		5,882		5,495
Technology related	25,836		25,343		25,559		23,089
Trade names	8,309		4,455		8,303		4,194
Other	8,663		5,118		8,701		4,669
Total	$	199,406	$	155,026	$	202,824	$	149,766

Schedule of amortization expense

Amortization expense for intangible assets was as follows:



	Three Months Ended				Nine Months Ended
	September 30				September 30
(In thousands)	2016		2015		2016		2015
Amortization expense for intangible assets	$	2,053	$	2,286	$	6,208	$	6,602

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)	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 fluctuations.