XML 60 R49.htm IDEA: XBRL DOCUMENT v3.20.2
Accounts Receivable (Details) - USD ($)
Sep. 30, 2020
Jan. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Trade accounts receivable $ 409,928,000     $ 323,502,000
Accounts Receivable Greater than 12 Months Reserved 1,100,000      
Receivable with Imputed Interest, Face Amount $ 40,000,000.0      
Note Receivable; Interest Rate; Stated percentage 2.50%      
Receivables, Fair Value Disclosure $ 35,600,000 $ 34,300,000 $ 34,300,000  
Greater than 12 months        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Trade accounts receivable $ 5,600,000      
Harsco Industrial IKG | Disposal Group, Disposed of by Sale, Not Discontinued Operations        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Selling price     $ 85,000,000.0  
Receivable with Imputed Interest, Face Amount   $ 40,000,000.0