Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2024

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, 2024
(In thousands)	Harsco Environmental Segment		Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	84,210	$	226,030	$	44,431	$	354,671
Western Europe	110,275		—		21,372		131,647
Latin America (b)	42,921		—		1,040		43,961
Asia-Pacific	28,915		—		8,325		37,240
Middle East and Africa	28,349		—		—		28,349
Eastern Europe	4,449		—		—		4,449
Total Revenues	$	299,119	$	226,030	$	75,168	$	600,317
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	258,128	$	—	$	—	$	258,128
Ecoproducts	36,264		—		—		36,264
Environmental systems for aluminum dross and scrap processing	4,727		—		—		4,727
Railway track maintenance equipment	—		—		29,918		29,918
After-market parts and services; safety and diagnostic technology	—		—		30,876		30,876
Railway contracting services	—		—		14,374		14,374
Hazardous waste processing solutions	—		191,910		—		191,910
Soil and dredged materials processing and reuse solutions	—		34,120		—		34,120
Total Revenues	$	299,119	$	226,030	$	75,168	$	600,317

	Three Months Ended
	March 31, 2023
(In thousands)	Harsco Environmental Segment		Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	78,473	$	222,464	$	44,162	$	345,099
Western Europe	101,386		—		13,187		114,573
Latin America (b)	40,955		—		604		41,559
Asia-Pacific	28,961		—		7,099		36,060
Middle East and Africa	18,405		—		—		18,405
Eastern Europe	5,009		—		—		5,009
Total Revenues	$	273,189	$	222,464	$	65,052	$	560,705
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	229,361	$	—	$	—	$	229,361
Ecoproducts	38,402		—		—		38,402
Environmental systems for aluminum dross and scrap processing	5,426		—		—		5,426
Railway track maintenance equipment	—		—		29,444		29,444
After-market parts and services; safety and diagnostic technology	—		—		27,793		27,793
Railway contracting services	—		—		7,815		7,815
Hazardous waste processing solutions	—		186,112		—		186,112
Soil and dredged materials processing and reuse solutions	—		36,352		—		36,352
Total Revenues	$	273,189	$	222,464	$	65,052	$	560,705

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

(b)     Includes Mexico.