Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

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
	March 31, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	69,881	$	78,812	$	53,773	$	—	$	202,466
Western Europe	96,317		—		18,164		—		114,481
Latin America (c)	33,260		—		665		—		33,925
Asia-Pacific	21,996		—		5,868		—		27,864
Middle East and Africa	15,889		—		—		—		15,889
Eastern Europe	4,216		—		—		—		4,216
Total Revenues	$	241,559	$	78,812	$	78,470	$	—	$	398,841
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	207,346	$	—	$	—	$	—	$	207,346
Applied products	30,262		—		—		—		30,262
Environmental systems for aluminum dross and scrap processing	3,951		—		—		—		3,951
Railway track maintenance equipment	—		—		42,615		—		42,615
After-market parts and services; safety and diagnostic technology	—		—		31,200		—		31,200
Railway contracting services	—		—		4,655		—		4,655
Waste processing and reuse solutions	—		78,812		—		—		78,812
Total Revenues	$	241,559	$	78,812	$	78,470	$	—	$	398,841

	Three Months Ended
	March 31, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	73,349	$	—	$	50,365	$	—	$	123,714
Western Europe	98,221		—		10,013		—		108,234
Latin America (c)	36,991		—		591		—		37,582
Asia-Pacific	34,138		—		7,621		—		41,759
Middle East and Africa	13,915		—		—		—		13,915
Eastern Europe	4,698		—		—		—		4,698
Total Revenues	$	261,312	$	—	$	68,590	$	—	$	329,902
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	224,061	$	—	$	—	$	—	$	224,061
Applied products	30,390		—		—		—		30,390
Environmental systems for aluminum dross and scrap processing	6,861		—		—		—		6,861
Railway track maintenance equipment	—		—		33,608		—		33,608
After-market parts and services; safety and diagnostic technology	—		—		31,301		—		31,301
Railway contracting services	—		—		3,681		—		3,681
Waste processing and reuse solutions	—		—		—		—		—
Total Revenues	$	261,312	$	—	$	68,590	$	—	$	329,902

(a) The Company's acquisition of Clean Earth closed on June 28, 2019. The operating results of the former Harsco Industrial Segment have been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

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

(c) Includes Mexico.