Accounts Receivable and Note Receivable - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Jan. 31, 2020	Jan. 01, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 290,648	$ 272,775
Accounts receivable past due by twelve months or more	3,300
Trade accounts receivable, net	281,777	264,428
Accounts receivable under factoring arrangement, program capacity	32,000	31,400
Note receivable, face value				$ 40,000
Note receivable, interest rate				2.50%
Harsco Industrial IKG | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Selling price					$ 85,000
Accounts Receivable Under Factoring Arrangement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable, net	21,700	17,300
PNC
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable securitization, maximum purchase commitment			$ 150,000
Total outstanding trade receivables sold and derecognized	150,000	145,000
Accounts receivable from securitization	82,400	$ 69,700
Proceeds from accounts receivable securitization	5,000
Greater than 12 months
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 10,600