Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Summary of revenues by primary geographical markets

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:

	Twelve Months Ended
	December 31, 2018
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	302,238	$	354,558	$	205,212	$	74	$	862,082
Western Europe	390,840		—		48,016		—		438,856
Latin America (b)	151,886		20,150		3,977		—		176,013
Asia-Pacific	145,761		—		22,089		—		167,850
Middle East and Africa	50,003		—		—		—		50,003
Eastern Europe	27,576		—		—		—		27,576
Total Revenues (c)	$	1,068,304	$	374,708	$	279,294	$	74	$	1,722,380
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; value- added environmental solutions for industrial co-products; as well as aluminum dross and scrap processing systems	$	1,068,304	$	—	$	—	$	—	$	1,068,304
Railway track maintenance services and equipment	—		—		279,294		—		279,294
Air-cooled heat exchangers	—		207,184		—		—		207,184
Industrial grating products	—		127,419		—		—		127,419
Heat transfer products	—		40,105		—		—		40,105
General Corporate	—		—		—		74		74
Total Revenues (c)	$	1,068,304	$	374,708	$	279,294	$	74	$	1,722,380

	Twelve Months Ended
	December 31, 2017
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	274,476	$	273,775	$	196,567	$	143	$	744,961
Western Europe	369,763		—		78,698		—		448,461
Latin America (b)	159,130		21,369		2,827		—		183,326
Asia-Pacific	138,311		4,448		17,907		—		160,666
Middle East and Africa	42,700		—		—		—		42,700
Eastern Europe	26,948		—		—		—		26,948
Total Revenues (c)	$	1,011,328	$	299,592	$	295,999	$	143	$	1,607,062
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; value- added environmental solutions for industrial co-products; as well as aluminum dross and scrap processing systems	$	1,011,328	$	—	$	—	$	—	$	1,011,328
Railway track maintenance services and equipment	—		—		295,999		—		295,999
Air-cooled heat exchangers	—		144,955		—		—		144,955
Industrial grating products	—		116,598		—		—		116,598
Heat transfer products	—		38,039		—		—		38,039
General Corporate	—		—		—		143		143
Total Revenues (c)	$	1,011,328	$	299,592	$	295,999	$	143	$	1,607,062

	Twelve Months Ended
	December 31, 2016
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	247,287	$	215,322	$	191,726	$	34	$	654,369
Western Europe	388,336		—		30,270		—		418,606
Latin America (b)	134,071		28,256		2,014		—		164,341
Asia-Pacific	119,873		3,964		13,025		—		136,862
Middle East and Africa	45,659		—		1,072		—		46,731
Eastern Europe	30,314		—		—		—		30,314
Total Revenues (c)	$	965,540	$	247,542	$	238,107	$	34	$	1,451,223
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; value- added environmental solutions for industrial co-products; as well as aluminum dross and scrap processing systems	$	965,540	$	—	$	—	$	—	$	965,540
Railway track maintenance services and equipment	—		—		238,107		—		238,107
Air-cooled heat exchangers	—		93,616		—		—		93,616
Industrial grating products	—		115,914		—		—		115,914
Heat transfer products	—		38,012		—		—		38,012
General Corporate	—		—		—		34		34
Total Revenues (c)	$	965,540	$	247,542	$	238,107	$	34	$	1,451,223

(a) Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

(c)

The Company has adopted the new revenue recognition standard utilizing the modified retrospective transition method, including use of practical expedients. Comparative information has not been restated and continues to be reported under U.S. GAAP in effect for those periods. See Note 2, Recently Adopted and Recently Issued Accounting Standards for additional information.