Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 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
	June 30, 2024
(In thousands)	Harsco Environmental Segment		Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	84,027	$	236,105	$	53,044	$	373,176
Western Europe	109,620		—		18,652		128,272
Latin America (b)	41,280		—		1,918		43,198
Asia-Pacific	28,345		—		7,345		35,690
Middle East and Africa	25,182		—		—		25,182
Eastern Europe	4,475		—		—		4,475
Total Revenues	$	292,929	$	236,105	$	80,959	$	609,993
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	253,685	$	—	$	—	$	253,685
Ecoproducts	34,263		—		—		34,263
Environmental systems for aluminum dross and scrap processing	4,981		—		—		4,981
Railway track maintenance equipment	—		—		30,517		30,517
After market parts and services; safety and diagnostic technology	—		—		35,131		35,131
Railway contracting services	—		—		15,311		15,311
Hazardous waste processing solutions	—		194,874		—		194,874
Soil and dredged materials processing and reuse solutions	—		41,231		—		41,231
Total Revenues	$	292,929	$	236,105	$	80,959	$	609,993

	Three Months Ended
	June 30, 2023
(In thousands)	Harsco Environmental Segment		Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	81,616	$	230,575	$	69,450	$	381,641
Western Europe	107,318		—		11,377		118,695
Latin America (b)	42,180		—		561		42,741
Asia-Pacific	32,339		—		7,460		39,799
Middle East and Africa	21,117		—		—		21,117
Eastern Europe	5,023		—		—		5,023
Total Revenues	$	289,593	$	230,575	$	88,848	$	609,016
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	242,638	$	—	$	—	$	242,638
Ecoproducts	40,504		—		—		40,504
Environmental systems for aluminum dross and scrap processing	6,451		—		—		6,451
Railway track maintenance equipment	—		—		44,796		44,796
After market parts and services; safety and diagnostic technology	—		—		34,530		34,530
Railway contracting services	—		—		9,522		9,522
Hazardous waste processing solutions	—		197,506		—		197,506
Soil and dredged materials processing and reuse solutions	—		33,069		—		33,069
Total Revenues	$	289,593	$	230,575	$	88,848	$	609,016

	Six Months Ended
	June 30, 2024
(In thousands)	Harsco Environmental Segment		Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	168,237	$	462,135	$	97,475	$	727,847
Western Europe	219,895		—		40,024		259,919
Latin America (b)	84,201		—		2,958		87,159
Asia-Pacific	57,260		—		15,670		72,930
Middle East and Africa	53,531		—		—		53,531
Eastern Europe	8,924		—		—		8,924
Total Revenues	$	592,048	$	462,135	$	156,127	$	1,210,310
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	511,813	$	—	$	—	$	511,813
Ecoproducts	70,527		—		—		70,527
Environmental systems for aluminum dross and scrap processing	9,708		—		—		9,708
Railway track maintenance equipment	—		—		60,436		60,436
After-market parts and services; safety and diagnostic technology	—		—		66,007		66,007
Railway contracting services	—		—		29,684		29,684
Hazardous waste processing solutions	—		386,784		—		386,784
Soil and dredged materials processing and reuse solutions	—		75,351		—		75,351
Total Revenues	$	592,048	$	462,135	$	156,127	$	1,210,310

	Six Months Ended
	June 30, 2023
(In thousands)	Harsco Environmental Segment		Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	160,089	$	453,039	$	113,612	$	726,740
Western Europe	208,704		—		24,564		233,268
Latin America (b)	83,135		—		1,165		84,300
Asia-Pacific	61,300		—		14,559		75,859
Middle East and Africa	39,522		—		—		39,522
Eastern Europe	10,032		—		—		10,032
Total Revenues	$	562,782	$	453,039	$	153,900	$	1,169,721
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	471,999	$	—	$	—	$	471,999
Ecoproducts	78,906		—		—		78,906
Environmental systems for aluminum dross and scrap processing	11,877		—		—		11,877
Railway track maintenance equipment	—		—		74,240		74,240
After-market parts and services; safety and diagnostic technology	—		—		62,323		62,323
Railway contracting services	—		—		17,337		17,337
Hazardous waste processing solutions	—		383,618		—		383,618
Soil and dredged materials processing and reuse solutions	—		69,421		—		69,421
Total Revenues	$	562,782	$	453,039	$	153,900	$	1,169,721

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

(b)     Includes Mexico.