Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 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:

	Three Months Ended
	September 30, 2018
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	78,844	$	88,524	$	62,823	$	—	$	230,191
Western Europe	97,411		—		10,720		—		108,131
Latin America (b)	36,165		5,388		1,130		—		42,683
Asia-Pacific	36,846		—		8,009		—		44,855
Middle East and Africa	12,370		—		—		—		12,370
Eastern Europe	7,245		—		—		—		7,245
Total Revenues (c)	$	268,881	$	93,912	$	82,682	$	—	$	445,475
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; as well as value- added environmental solutions for industrial co-products	$	268,881	$	—	$	—	$	—	$	268,881
Railway track maintenance services and equipment	—		—		82,682		—		82,682
Air-cooled heat exchangers	—		52,093		—		—		52,093
Industrial grating and fencing products	—		31,782		—		—		31,782
Heat transfer products	—		10,037		—		—		10,037
Total Revenues (c)	$	268,881	$	93,912	$	82,682	$	—	$	445,475

	Three Months Ended
	September 30, 2017
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	70,325	$	72,260	$	36,112	$	38	$	178,735
Western Europe	89,481		—		10,495		—		99,976
Latin America (b)	41,656		5,026		737		—		47,419
Asia-Pacific	35,990		1,032		3,790		—		40,812
Middle East and Africa	10,849		—		—		—		10,849
Eastern Europe	6,862		—		—		—		6,862
Total Revenues (c)	$	255,163	$	78,318	$	51,134	$	38	$	384,653
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; as well as value- added environmental solutions for industrial co-products	$	255,163	$	—	$	—	$	—	$	255,163
Railway track maintenance services and equipment	—		—		51,134		—		51,134
Air-cooled heat exchangers	—		38,248		—		—		38,248
Industrial grating and fencing products	—		29,659		—		—		29,659
Heat transfer products	—		10,411		—		—		10,411
General Corporate	—		—		—		38		38
Total Revenues (c)	$	255,163	$	78,318	$	51,134	$	38	$	384,653

	Nine Months Ended
	September 30, 2018
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	229,771	$	254,556	$	150,775	$	74	$	635,176
Western Europe	291,742		—		38,481		—		330,223
Latin America (b)	115,011		15,019		3,294		—		133,324
Asia-Pacific	110,855		—		17,362		—		128,217
Middle East and Africa	36,073		—		—		—		36,073
Eastern Europe	22,472		—		—		—		22,472
Total Revenues (c)	$	805,924	$	269,575	$	209,912	$	74	$	1,285,485
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; as well as value- added environmental solutions for industrial co-products	$	805,924	$	—	$	—	$	—	$	805,924
Railway track maintenance services and equipment	—		—		209,912		—		209,912
Air-cooled heat exchangers	—		144,936		—		—		144,936
Industrial grating and fencing products	—		94,325		—		—		94,325
Heat transfer products	—		30,314		—		—		30,314
General Corporate	—		—		—		74		74
Total Revenues (c)	$	805,924	$	269,575	$	209,912	$	74	$	1,285,485

	Nine Months Ended
	September 30, 2017
(In thousands)	Harsco Metals & Minerals Segment		Harsco Industrial Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	208,317	$	197,776	$	130,010	$	107	$	536,210
Western Europe	278,717		—		26,866		—		305,583
Latin America (b)	119,434		16,916		1,991		—		138,341
Asia-Pacific	103,306		3,074		13,849		—		120,229
Middle East and Africa	31,358		—		—		—		31,358
Eastern Europe	20,371		—		—		—		20,371
Total Revenues (c)	$	761,503	$	217,766	$	172,716	$	107	$	1,152,092
Key Product and Service Groups:
On-site services and material logistics, product quality improvement and resource recovery for iron, steel and metals manufacturing; as well as value- added environmental solutions for industrial co-products	$	761,503	$	—	$	—	$	—	$	761,503
Railway track maintenance services and equipment	—		—		172,716		—		172,716
Air-cooled heat exchangers	—		102,483		—		—		102,483
Industrial grating and fencing products	—		86,952		—		—		86,952
Heat transfer products	—		28,331		—		—		28,331
General Corporate	—		—		—		107		107
Total Revenues (c)	$	761,503	$	217,766	$	172,716	$	107	$	1,152,092

(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.

Summary of contract assets and advances on contracts

The following table reflects Contract assets and Advances on contracts:

(In thousands)	September 30, 2018		December 31, 2017
Contract assets:
Current portion of contract assets	$	27,870	$	—
Contract assets	3,566		—
Total contract assets	$	31,436	$	—
Advances on contracts:
Current portion of advances on contracts	$	43,682	$	117,958
Advances on contracts	10,322		—
Total advances on contracts	$	54,004	$	117,958