Discontinued Operations and Dispositions- Schedule of Balance Sheet from Disposal of Harsco Rail Segment (Details) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Trade accounts receivable, net	$ 318,906	$ 338,187
Other receivables	42,960	40,565
Inventories	196,189	189,369
Current portion of contract assets	64,190	64,875
Other current assets	6,969	11,023
Property, plant and equipment, net	698,315	707,397
Right-of-use assets, net	95,710	102,891
Goodwill	767,076	780,978
Intangible assets, net	305,633	327,983
Deferred income tax assets	16,495	16,295
Other assets	112,682	91,798
Total assets	2,802,075	2,854,698
Accounts payable	245,996	243,279
Accrued compensation	65,414	79,609
Income taxes payable	8,952	7,567
Current portion of operating lease liabilities	27,381	28,775
Current portion of advances on contracts	16,838	38,313
Reserve for forward losses on contracts	53,513	52,919
Other current liabilities	168,676	174,342
Operating lease liabilities	69,977	75,476
Deferred tax liabilities	31,749	29,160
Other liabilities	60,664	47,215
Total liabilities	$ 2,276,196	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