Discontinued Operations and Dispositions- Schedule of Balance Sheet from Disposal of Harsco Rail Segment (Details) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade accounts receivable, net	$ 308,213	$ 338,187
Other receivables	33,693	40,565
Inventories	190,288	189,369
Current portion of contract assets	69,057	64,875
Other current assets	13,627	10,828
Property, plant and equipment, net	688,638	707,397
Right-of-use assets, net	102,278	102,891
Goodwill	771,404	780,978
Intangible assets, net	319,522	327,983
Deferred income tax assets	15,884	16,295
Other assets	100,030	91,798
Total assets	2,790,278	2,854,698
Accounts payable	224,509	243,279
Accrued compensation	52,947	79,609
Income taxes payable	5,172	7,567
Current portion of operating lease liabilities	28,569	28,775
Current portion of advances on contracts	35,965	38,313
Reserve for forward losses on contracts	46,592	52,919
Other current liabilities	162,415	174,342
Operating lease liabilities	75,151	75,476
Deferred tax liabilities	33,651	29,160
Other liabilities	42,567	47,215
Total liabilities	$ 2,244,154	2,279,290
Harsco Rail Segment | Revision of Prior Period, Adjustment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade accounts receivable, net		57,415
Other receivables		6,708
Inventories		103,077
Current portion of contract assets		56,341
Prepaid Expense		28,797
Other current assets		2,895
Property, plant and equipment, net		44,113
Right-of-use assets, net		7,050
Goodwill		13,026
Intangible assets, net		3,122
Deferred income tax assets		973
Other assets		22,792
Total assets		346,309
Accounts payable		44,703
Accrued compensation		6,056
Income taxes payable		1,434
Current portion of operating lease liabilities		3,656
Current portion of advances on contracts		32,912
Reserve for forward losses on contracts		52,725
Other current liabilities		30,550
Operating lease liabilities		3,331
Deferred tax liabilities		350
Other liabilities		494
Total liabilities		$ 176,211