Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

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, 2021
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	69,735	$	196,128	$	78,998	$	344,861
Western Europe	116,981		—		13,672		130,653
Latin America (c)	33,799		—		568		34,367
Asia-Pacific	26,922		—		7,908		34,830
Middle East and Africa	19,873		—		—		19,873
Eastern Europe	5,236		—		—		5,236
Total Revenues	$	272,546	$	196,128	$	101,146	$	569,820
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	233,523	$	—	$	—	$	233,523
Applied products	34,830		—		—		34,830
Environmental systems for aluminum dross and scrap processing	4,193		—		—		4,193
Railway track maintenance equipment	—		—		60,123		60,123
After market parts and services; safety and diagnostic technology	—		—		34,671		34,671
Railway contracting services	—		—		6,352		6,352
Waste processing, recycling, reuse and transportation solutions	—		196,128		—		196,128
Total Revenues	$	272,546	$	196,128	$	101,146	$	569,820

	Three Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	57,356	$	161,579	$	56,461	$	275,396
Western Europe	82,972		—		16,855		99,827
Latin America (c)	25,108		—		515		25,623
Asia-Pacific	19,894		—		7,880		27,774
Middle East and Africa	14,793		—		—		14,793
Eastern Europe	3,868		—		—		3,868
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	174,238	$	—	$	—	$	174,238
Applied products	26,591		—		—		26,591
Environmental systems for aluminum dross and scrap processing	3,162		—		—		3,162
Railway track maintenance equipment	—		—		40,411		40,411
After market parts and services; safety and diagnostic technology	—		—		32,500		32,500
Railway contracting services	—		—		8,800		8,800
Waste processing, recycling, reuse and transportation solutions	—		161,579		—		161,579
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281

	Six Months Ended
	June 30, 2021
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	136,916	$	385,407	$	137,259	$	659,582
Western Europe	229,152		—		30,305		259,457
Latin America (c)	64,452		—		1,128		65,580
Asia-Pacific	50,292		—		14,044		64,336
Middle East and Africa	39,994		—		—		39,994
Eastern Europe	9,726		—		—		9,726
Total Revenues	$	530,532	$	385,407	$	182,736	$	1,098,675
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	458,583	$	—	$	—	$	458,583
Applied products	64,615		—		—		64,615
Environmental systems for aluminum dross and scrap processing	7,334		—		—		7,334
Railway track maintenance equipment	—		—		106,563		106,563
After market parts and services; safety and diagnostic technology	—		—		61,440		61,440
Railway contracting services	—		—		14,733		14,733
Waste processing, recycling, reuse and transportation solutions	—		385,407		—		385,407
Total Revenues	$	530,532	$	385,407	$	182,736	$	1,098,675

	Six Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	127,237	$	240,391	$	110,234	$	477,862
Western Europe	179,289		—		35,019		214,308
Latin America (c)	58,368		—		1,180		59,548
Asia-Pacific	41,890		—		13,748		55,638
Middle East and Africa	30,682		—		—		30,682
Eastern Europe	8,084		—		—		8,084
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	381,834	$	—	$	—	$	381,834
Applied products	56,853		—		—		56,853
Environmental systems for aluminum dross and scrap processing	6,863		—		—		6,863
Railway track maintenance equipment	—		—		83,026		83,026
After market parts and services; safety and diagnostic technology	—		—		63,700		63,700
Railway contracting services	—		—		13,455		13,455
Waste processing, recycling, reuse and transportation solutions	—		240,391		—		240,391
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122

(a)    The Company's acquisition of ESOL closed on April 6, 2020. The results are included in the Harsco Clean Earth Segment. 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.