Accounts Receivable and Note Receivable - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	Apr. 30, 2024	Jun. 30, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Sep. 30, 2023	Jan. 31, 2020	Jan. 01, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable			$ 327,452		$ 327,452		$ 353,709
Trade accounts receivable, net			313,193		313,193		338,187
Accounts receivable under factoring arrangement, program capacity			19,300		19,300		32,600
Note receivable, face value									$ 40,000
Note receivable, interest rate									2.50%
Accounts receivable past due by twelve months or more			9,800		9,800
Interest income			3,435	$ 1,594	5,132	$ 3,074
Proceeds from notes receivable					17,023	11,238
Greater than 12 months
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable			17,600		17,600
Harsco Industrial IKG | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Selling price										$ 85,000
Interest income	$ 2,700
Proceeds from notes receivable	$ 17,000
Accounts Receivable Under Factoring Arrangement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable, net			16,900		16,900		16,100
PNC
Accounts, Notes, Loans and Financing Receivable [Line Items]
AR facility term		3 years
Accounts receivable securitization, maximum purchase commitment								$ 150,000
Total outstanding trade receivables sold and derecognized			150,000		150,000
Accounts receivable from securitization			$ 71,500		$ 71,500		$ 82,200
Additional proceeds						$ 5,000