Revenue Recognition

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue RecognitionThe Company recognizes revenues to depict the transfer of promised services and products to customers in an amount that reflects the consideration the Company expects to receive in exchange for those services and products. Revenues from continuing operations include service revenues from HE and CE and product revenues from HE. Revenue from the Rail business is included in Income (loss) from discontinued businesses.

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, 2023
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	78,473	$	222,464	$	300,937
Western Europe	101,386		—		101,386
Latin America (b)	40,955		—		40,955
Asia-Pacific	28,961		—		28,961
Middle East and Africa	18,405		—		18,405
Eastern Europe	5,009		—		5,009
Total Revenues	$	273,189	$	222,464	$	495,653
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
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	$	495,653

	Three Months Ended
	March 31, 2022
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Consolidated Totals
Primary Geographical Markets (a):
North America	$	71,079	$	190,746	$	261,825
Western Europe	102,079		—		102,079
Latin America (b)	35,805		—		35,805
Asia-Pacific	28,068		—		28,068
Middle East and Africa	19,886		—		19,886
Eastern Europe	5,134		—		5,134
Total Revenues	$	262,051	$	190,746	$	452,797
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	227,689	$	—	$	227,689
Ecoproducts	31,965		—		31,965
Environmental systems for aluminum dross and scrap processing	2,397		—		2,397
Hazardous waste processing solutions	—		159,007		159,007
Soil and dredged materials processing and reuse solutions	—		31,739		$	31,739
Total Revenues	$	262,051	$	190,746	$	452,797

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

(b)     Includes Mexico.

The Company may receive payments in advance of earning revenue (advances on contracts), which are included in Other current liabilities and Other liabilities on the Condensed Consolidated Balance Sheets. The Company may recognize revenue in advance of being able to contractually invoice the customer (contract assets), which is included in Other current assets on the Condensed Consolidated Balance Sheets. Contract assets are transferred to Trade accounts receivable, net, when the right to payment becomes unconditional. Contract assets and advances on contracts are reported as a net position, on a contract-by-contract basis, at the end of each reporting period.

The Company had contract assets totaling $5.5 million and $5.3 million at March 31, 2023 and December 31, 2022, respectively. The Company had advances on contracts totaling $6.4 million and $6.8 million at March 31, 2023 and December 31, 2022, respectively. During the three months ended March 31, 2023, the Company recognized approximately $3 million of revenue related to amounts previously included in advances on contracts. During the three months ended March 31, 2022, the Company recognized approximately $3 million of revenue related to amounts previously included in advances on contracts. At March 31, 2023, HE had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $71.8 million. Of this amount, $21.5 million is expected to be fulfilled by March 31, 2024, $21.0 million by March 31, 2025, $15.5 million by March 31, 2026, $6.6 million by March 31, 2027 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year.