SEC Info  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Harsco Corp. – ‘10-Q’ for 6/30/20 – ‘XML’

On:  Wednesday, 8/5/20, at 12:18pm ET   ·   For:  6/30/20   ·   Accession #:  45876-20-147   ·   File #:  1-03970

Previous ‘10-Q’:  ‘10-Q’ on 5/8/20 for 3/31/20   ·   Next:  ‘10-Q’ on 11/3/20 for 9/30/20   ·   Latest:  ‘10-Q’ on 11/2/23 for 9/30/23   ·   8 References:   

Find Words in Filings emoji
 
  in    Show  and   Hints

  As Of               Filer                 Filing    For·On·As Docs:Size

 8/05/20  Harsco Corp.                      10-Q        6/30/20   98:18M

Quarterly Report   —   Form 10-Q
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.66M 
 2: EX-10.3     Material Contract                                   HTML     40K 
 3: EX-10.4     Material Contract                                   HTML     33K 
 4: EX-31.1     Certification -- §302 - SOA'02                      HTML     32K 
 5: EX-31.2     Certification -- §302 - SOA'02                      HTML     32K 
 6: EX-32       Certification -- §906 - SOA'02                      HTML     28K 
13: R1          Cover Page                                          HTML     79K 
14: R2          Condensed Consolidated Balance Sheets (Unaudited)   HTML    154K 
15: R3          Condensed Consolidated Statements of Operations     HTML    146K 
                (Unaudited)                                                      
16: R4          Condensed Consolidated Statements of Comprehensive  HTML     58K 
                Income (Unaudited)                                               
17: R5          Condensed Consolidated Statements of Comprehensive  HTML     38K 
                Income (Unaudited) (Parenthetical)                               
18: R6          Condensed Consolidated Statements of Cash Flows     HTML    139K 
                (Unaudited)                                                      
19: R7          Condensed Consolidated Statements of Equity         HTML     77K 
                (Unaudited)                                                      
20: R8          Condensed Consolidated Statements of Equity         HTML     36K 
                (Unaudited) (Parenthetical)                                      
21: R9          Basis of Presentation                               HTML     36K 
22: R10         Recently Adopted and Recently Issued Accounting     HTML     34K 
                Standards                                                        
23: R11         Acquisitions and Dispositions                       HTML    238K 
24: R12         Accounts Receivable (Notes)                         HTML     59K 
25: R13         Inventories                                         HTML     42K 
26: R14         Property, Plant and Equipment                       HTML     46K 
27: R15         Leases                                              HTML    206K 
28: R16         Goodwill and Other Intangible Assets                HTML    103K 
29: R17         Debt and Credit Agreements                          HTML     30K 
30: R18         Employee Benefit Plans                              HTML    111K 
31: R19         Income Taxes                                        HTML     29K 
32: R20         Commitments and Contingencies                       HTML     66K 
33: R21         Reconciliation of Basic and Diluted Shares          HTML     75K 
34: R22         Derivative Instruments, Hedging Activities and      HTML    277K 
                Fair Value                                                       
35: R23         Review of Operations by Segment                     HTML    172K 
36: R24         Revenue Recognition                                 HTML    286K 
37: R25         Other (Income) Expenses, Net                        HTML     60K 
38: R26         Components of Accumulated Other Comprehensive Loss  HTML    183K 
39: R27         Basis of Presentation (Policies)                    HTML     42K 
40: R28         Acquisitions and Dispositions (Tables)              HTML    238K 
41: R29         Accounts Receivable (Tables)                        HTML     57K 
42: R30         Inventories (Tables)                                HTML     41K 
43: R31         Property, Plant and Equipment (Tables)              HTML     46K 
44: R32         Leases (Tables)                                     HTML    163K 
45: R33         Goodwill and Other Intangible Assets (Tables)       HTML    109K 
46: R34         Employee Benefit Plans (Tables)                     HTML    112K 
47: R35         Commitment and Contingencies (Tables)               HTML     42K 
48: R36         Reconciliation of Basic and Diluted Shares          HTML     78K 
                (Tables)                                                         
49: R37         Derivative Instruments, Hedging Activities and      HTML    268K 
                Fair Value (Tables)                                              
50: R38         Review of Operations by Segment (Tables)            HTML    176K 
51: R39         Revenue Recognition (Tables)                        HTML    541K 
52: R40         Other (Income) Expenses, Net (Tables)               HTML     60K 
53: R41         Components of Accumulated Other Comprehensive Loss  HTML    184K 
                (Tables)                                                         
54: R42         Basis of Presentation (Details)                     HTML     29K 
55: R43         Acquisitions and Dispositions - Acquisitions        HTML     90K 
                Narrative (Details)                                              
56: R44         Acquisitions and Dispositions - Assets Acquired     HTML    162K 
                and Liabilities Assumed (Details)                                
57: R45         Acquisitions and Dispositions - Preliminary         HTML     88K 
                Valuation of Identifiable Intangible Assets and                  
                Amortization Periods (Details)                                   
58: R46         Acquisitions and Dispositions - Pro Forma           HTML     33K 
                Information (Details)                                            
59: R47         Acquisitions and Dispositions - Financial           HTML     45K 
                Information Included in Net Income from                          
                Discontinued Operations (Details)                                
60: R48         Acquisitions and Dispositions - Condensed           HTML     35K 
                Consolidated Statements of Cash Flows (Details)                  
61: R49         Accounts Receivable (Details)                       HTML     43K 
62: R50         Accounts Receivable - Schedule of Receivables       HTML     53K 
                (Details)                                                        
63: R51         Accounts Receivable - Schedule of Changes in        HTML     29K 
                Provisions For Allowance For Credit Loss (Details)               
64: R52         Accounts Receivable - Schedule of Fair Value of     HTML     31K 
                Notes Receivable (Details)                                       
65: R53         Inventories (Details)                               HTML     43K 
66: R54         Inventories - Schedule of Inventory (Details)       HTML     39K 
67: R55         Property, Plant and Equipment (Details)             HTML     45K 
68: R56         Leases - Narrative (Details)                        HTML     44K 
69: R57         Leases - Components of Lease Expense (Details)      HTML     41K 
70: R58         Leases - Supplemental Cash Flow Information         HTML     41K 
                Related to Leases (Details)                                      
71: R59         Leases - Supplemental Balance Sheet Information     HTML     40K 
                Related to Leases (Details)                                      
72: R60         Leases - Supplemental Additional Information        HTML     36K 
                (Details)                                                        
73: R61         Leases - Maturities of Lease Liabilities (Details)  HTML     66K 
74: R62         Goodwill and Other Intangible Assets - Changes in   HTML     42K 
                Carrying Amounts of Goodwill by Segment (Details)                
75: R63         Goodwill and Other Intangible Assets - Other        HTML     72K 
                Intangible Assets (Details)                                      
76: R64         Debt and Credit Agreements - Narrative (Details)    HTML     52K 
77: R65         Employee Benefit Plans (Details)                    HTML     65K 
78: R66         Income Taxes (Details)                              HTML     39K 
79: R67         Commitments and Contingencies (Details)             HTML    115K 
80: R68         Reconciliation of Basic and Diluted Shares -        HTML     48K 
                Reconciliation of Basic and Diluted Shares                       
                (Details)                                                        
81: R69         Reconciliation of Basic and Diluted Shares -        HTML     37K 
                Antidilutive Securities Excluded from Computation                
                of Earnings per Share (Details)                                  
82: R70         Derivative Instruments, Hedging Activities and      HTML     56K 
                Fair Value - Fair Value of Outstanding Derivative                
                Contracts (Details)                                              
83: R71         Derivative Instruments, Hedging Activities and      HTML     66K 
                Fair Value - Narrative (Details)                                 
84: R72         Derivative Instruments, Hedging Activities and      HTML     65K 
                Fair Value - Effect of Derivative Instruments                    
                (Details)                                                        
85: R73         Derivative Instruments, Hedging Activities and      HTML     93K 
                Fair Value - Derivatives Designated as Hedging                   
                Instruments (Details)                                            
86: R74         Review of Operations by Segment (Details)           HTML     74K 
87: R75         Revenue Recognition - Revenues by Primary           HTML    120K 
                Geographical Markets (Details)                                   
88: R76         Revenue Recognition - Narrative (Details)           HTML     34K 
89: R77         Revenue Recognition - Remaining Performance         HTML     56K 
                Obligation (Details)                                             
90: R78         Revenue Recognition - Remaining Performance         HTML     32K 
                Obligation (2) (Details)                                         
91: R79         Other (Income) Expenses, Net (Details)              HTML     43K 
92: R80         Components of Accumulated Other Comprehensive Loss  HTML     84K 
                - Accumulated Other Comprehensive Income Loss                    
                (Details)                                                        
93: R81         Components of Accumulated Other Comprehensive Loss  HTML     89K 
                - Reclassification out of Accumulated Other                      
                Comprehensive Income (Details)                                   
94: R9999       Uncategorized Items - hsc-20200630.htm              HTML     29K 
96: XML         IDEA XML File -- Filing Summary                      XML    180K 
12: XML         XBRL Instance -- hsc-20200630_htm                    XML   5.95M 
95: EXCEL       IDEA Workbook of Financial Reports                  XLSX    139K 
 8: EX-101.CAL  XBRL Calculations -- hsc-20200630_cal                XML    351K 
 9: EX-101.DEF  XBRL Definitions -- hsc-20200630_def                 XML    988K 
10: EX-101.LAB  XBRL Labels -- hsc-20200630_lab                      XML   2.18M 
11: EX-101.PRE  XBRL Presentations -- hsc-20200630_pre               XML   1.37M 
 7: EX-101.SCH  XBRL Schema -- hsc-20200630                          XSD    224K 
97: JSON        XBRL Instance as JSON Data -- MetaLinks              467±   715K 
98: ZIP         XBRL Zipped Folder -- 0000045876-20-000147-xbrl      Zip    472K 


‘XML’   —   IDEA XML File — Filing Summary


This Document is an IDEA XML File.


                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<FilingSummary>
<Version> 3.20.2 </Version>
<ProcessingTime/>
<ReportFormat> html </ReportFormat>
<ContextCount> 616 </ContextCount>
<ElementCount> 500 </ElementCount>
<EntityCount> 1 </EntityCount>
<FootnotesReported> true </FootnotesReported>
<SegmentCount> 106 </SegmentCount>
<ScenarioCount> 0 </ScenarioCount>
<TuplesReported> false </TuplesReported>
<UnitCount> 9 </UnitCount>
<MyReports>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R1.htm </HtmlFileName>
<LongName> 0001001 - Document - Cover Page </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CoverPage </Role>
<ShortName> Cover Page </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 1 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R2.htm </HtmlFileName>
<LongName> 1001002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited </Role>
<ShortName> CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 2 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R3.htm </HtmlFileName>
<LongName> 1002003 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 3 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R4.htm </HtmlFileName>
<LongName> 1003004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnaudited </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 4 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R5.htm </HtmlFileName>
<LongName> 1004005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEUnauditedParenthetical </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 5 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R6.htm </HtmlFileName>
<LongName> 1005006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 6 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R7.htm </HtmlFileName>
<LongName> 1006007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEQUITYUnaudited </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 7 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R8.htm </HtmlFileName>
<LongName> 1007008 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEQUITYUnauditedParenthetical </Role>
<ShortName> CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) </ShortName>
<MenuCategory> Statements </MenuCategory>
<Position> 8 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9.htm </HtmlFileName>
<LongName> 2101101 - Disclosure - Basis of Presentation </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/BasisofPresentation </Role>
<ShortName> Basis of Presentation </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 9 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R10.htm </HtmlFileName>
<LongName> 2104102 - Disclosure - Recently Adopted and Recently Issued Accounting Standards </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RecentlyAdoptedandRecentlyIssuedAccountingStandards </Role>
<ShortName> Recently Adopted and Recently Issued Accounting Standards </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 10 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R11.htm </HtmlFileName>
<LongName> 2107103 - Disclosure - Acquisitions and Dispositions </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositions </Role>
<ShortName> Acquisitions and Dispositions </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 11 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R12.htm </HtmlFileName>
<LongName> 2116104 - Disclosure - Accounts Receivable (Notes) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.harsco.com/role/AccountsReceivableNotes </Role>
<ShortName> Accounts Receivable (Notes) </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 12 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R13.htm </HtmlFileName>
<LongName> 2122105 - Disclosure - Inventories </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/Inventories </Role>
<ShortName> Inventories </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 13 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R14.htm </HtmlFileName>
<LongName> 2126106 - Disclosure - Property, Plant and Equipment </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/PropertyPlantandEquipment </Role>
<ShortName> Property, Plant and Equipment </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 14 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R15.htm </HtmlFileName>
<LongName> 2129107 - Disclosure - Leases </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/Leases </Role>
<ShortName> Leases </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 15 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R16.htm </HtmlFileName>
<LongName> 2138108 - Disclosure - Goodwill and Other Intangible Assets </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/GoodwillandOtherIntangibleAssets </Role>
<ShortName> Goodwill and Other Intangible Assets </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 16 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R17.htm </HtmlFileName>
<LongName> 2142109 - Disclosure - Debt and Credit Agreements </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DebtandCreditAgreements </Role>
<ShortName> Debt and Credit Agreements </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 17 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R18.htm </HtmlFileName>
<LongName> 2144110 - Disclosure - Employee Benefit Plans </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/EmployeeBenefitPlans </Role>
<ShortName> Employee Benefit Plans </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 18 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R19.htm </HtmlFileName>
<LongName> 2147111 - Disclosure - Income Taxes </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/IncomeTaxes </Role>
<ShortName> Income Taxes </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 19 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R20.htm </HtmlFileName>
<LongName> 2149112 - Disclosure - Commitments and Contingencies </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CommitmentsandContingencies </Role>
<ShortName> Commitments and Contingencies </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 20 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R21.htm </HtmlFileName>
<LongName> 2152113 - Disclosure - Reconciliation of Basic and Diluted Shares </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReconciliationofBasicandDilutedShares </Role>
<ShortName> Reconciliation of Basic and Diluted Shares </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 21 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R22.htm </HtmlFileName>
<LongName> 2156114 - Disclosure - Derivative Instruments, Hedging Activities and Fair Value </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValue </Role>
<ShortName> Derivative Instruments, Hedging Activities and Fair Value </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 22 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R23.htm </HtmlFileName>
<LongName> 2162115 - Disclosure - Review of Operations by Segment </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReviewofOperationsbySegment </Role>
<ShortName> Review of Operations by Segment </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 23 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R24.htm </HtmlFileName>
<LongName> 2165116 - Disclosure - Revenue Recognition </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RevenueRecognition </Role>
<ShortName> Revenue Recognition </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 24 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R25.htm </HtmlFileName>
<LongName> 2171117 - Disclosure - Other (Income) Expenses, Net </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/OtherIncomeExpensesNet </Role>
<ShortName> Other (Income) Expenses, Net </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 25 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R26.htm </HtmlFileName>
<LongName> 2174118 - Disclosure - Components of Accumulated Other Comprehensive Loss </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ComponentsofAccumulatedOtherComprehensiveLoss </Role>
<ShortName> Components of Accumulated Other Comprehensive Loss </ShortName>
<MenuCategory> Notes </MenuCategory>
<Position> 26 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R27.htm </HtmlFileName>
<LongName> 2202201 - Disclosure - Basis of Presentation (Policies) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/BasisofPresentationPolicies </Role>
<ShortName> Basis of Presentation (Policies) </ShortName>
<MenuCategory> Policies </MenuCategory>
<ParentRole> http://www.harsco.com/role/RecentlyAdoptedandRecentlyIssuedAccountingStandards </ParentRole>
<Position> 27 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R28.htm </HtmlFileName>
<LongName> 2308302 - Disclosure - Acquisitions and Dispositions (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsTables </Role>
<ShortName> Acquisitions and Dispositions (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/AcquisitionsandDispositions </ParentRole>
<Position> 28 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R29.htm </HtmlFileName>
<LongName> 2317303 - Disclosure - Accounts Receivable (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AccountsReceivableTables </Role>
<ShortName> Accounts Receivable (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/AccountsReceivableNotes </ParentRole>
<Position> 29 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R30.htm </HtmlFileName>
<LongName> 2323304 - Disclosure - Inventories (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/InventoriesTables </Role>
<ShortName> Inventories (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/Inventories </ParentRole>
<Position> 30 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R31.htm </HtmlFileName>
<LongName> 2327305 - Disclosure - Property, Plant and Equipment (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/PropertyPlantandEquipmentTables </Role>
<ShortName> Property, Plant and Equipment (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/PropertyPlantandEquipment </ParentRole>
<Position> 31 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R32.htm </HtmlFileName>
<LongName> 2330306 - Disclosure - Leases (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesTables </Role>
<ShortName> Leases (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/Leases </ParentRole>
<Position> 32 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R33.htm </HtmlFileName>
<LongName> 2339307 - Disclosure - Goodwill and Other Intangible Assets (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/GoodwillandOtherIntangibleAssetsTables </Role>
<ShortName> Goodwill and Other Intangible Assets (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/GoodwillandOtherIntangibleAssets </ParentRole>
<Position> 33 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R34.htm </HtmlFileName>
<LongName> 2345308 - Disclosure - Employee Benefit Plans (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/EmployeeBenefitPlansTables </Role>
<ShortName> Employee Benefit Plans (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/EmployeeBenefitPlans </ParentRole>
<Position> 34 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R35.htm </HtmlFileName>
<LongName> 2350309 - Disclosure - Commitment and Contingencies (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CommitmentandContingenciesTables </Role>
<ShortName> Commitment and Contingencies (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<Position> 35 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R36.htm </HtmlFileName>
<LongName> 2353310 - Disclosure - Reconciliation of Basic and Diluted Shares (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReconciliationofBasicandDilutedSharesTables </Role>
<ShortName> Reconciliation of Basic and Diluted Shares (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/ReconciliationofBasicandDilutedShares </ParentRole>
<Position> 36 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R37.htm </HtmlFileName>
<LongName> 2357311 - Disclosure - Derivative Instruments, Hedging Activities and Fair Value (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValueTables </Role>
<ShortName> Derivative Instruments, Hedging Activities and Fair Value (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValue </ParentRole>
<Position> 37 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R38.htm </HtmlFileName>
<LongName> 2363312 - Disclosure - Review of Operations by Segment (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReviewofOperationsbySegmentTables </Role>
<ShortName> Review of Operations by Segment (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/ReviewofOperationsbySegment </ParentRole>
<Position> 38 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R39.htm </HtmlFileName>
<LongName> 2366313 - Disclosure - Revenue Recognition (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RevenueRecognitionTables </Role>
<ShortName> Revenue Recognition (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/RevenueRecognition </ParentRole>
<Position> 39 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R40.htm </HtmlFileName>
<LongName> 2372314 - Disclosure - Other (Income) Expenses, Net (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/OtherIncomeExpensesNetTables </Role>
<ShortName> Other (Income) Expenses, Net (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/OtherIncomeExpensesNet </ParentRole>
<Position> 40 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R41.htm </HtmlFileName>
<LongName> 2375315 - Disclosure - Components of Accumulated Other Comprehensive Loss (Tables) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ComponentsofAccumulatedOtherComprehensiveLossTables </Role>
<ShortName> Components of Accumulated Other Comprehensive Loss (Tables) </ShortName>
<MenuCategory> Tables </MenuCategory>
<ParentRole> http://www.harsco.com/role/ComponentsofAccumulatedOtherComprehensiveLoss </ParentRole>
<Position> 41 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R42.htm </HtmlFileName>
<LongName> 2403401 - Disclosure - Basis of Presentation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/BasisofPresentationDetails </Role>
<ShortName> Basis of Presentation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/BasisofPresentationPolicies </ParentRole>
<Position> 42 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R43.htm </HtmlFileName>
<LongName> 2409403 - Disclosure - Acquisitions and Dispositions - Acquisitions Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsAcquisitionsNarrativeDetails </Role>
<ShortName> Acquisitions and Dispositions - Acquisitions Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 43 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R44.htm </HtmlFileName>
<LongName> 2410404 - Disclosure - Acquisitions and Dispositions - Assets Acquired and Liabilities Assumed (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsAssetsAcquiredandLiabilitiesAssumedDetails </Role>
<ShortName> Acquisitions and Dispositions - Assets Acquired and Liabilities Assumed (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 44 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R45.htm </HtmlFileName>
<LongName> 2411405 - Disclosure - Acquisitions and Dispositions - Preliminary Valuation of Identifiable Intangible Assets and Amortization Periods (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsPreliminaryValuationofIdentifiableIntangibleAssetsandAmortizationPeriodsDetails </Role>
<ShortName> Acquisitions and Dispositions - Preliminary Valuation of Identifiable Intangible Assets and Amortization Periods (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 45 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R46.htm </HtmlFileName>
<LongName> 2412406 - Disclosure - Acquisitions and Dispositions - Pro Forma Information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsProFormaInformationDetails </Role>
<ShortName> Acquisitions and Dispositions - Pro Forma Information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 46 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R47.htm </HtmlFileName>
<LongName> 2414408 - Disclosure - Acquisitions and Dispositions - Financial Information Included in Net Income from Discontinued Operations (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsFinancialInformationIncludedinNetIncomefromDiscontinuedOperationsDetails </Role>
<ShortName> Acquisitions and Dispositions - Financial Information Included in Net Income from Discontinued Operations (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 47 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R48.htm </HtmlFileName>
<LongName> 2415409 - Disclosure - Acquisitions and Dispositions - Condensed Consolidated Statements of Cash Flows (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AcquisitionsandDispositionsCondensedConsolidatedStatementsofCashFlowsDetails </Role>
<ShortName> Acquisitions and Dispositions - Condensed Consolidated Statements of Cash Flows (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 48 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R49.htm </HtmlFileName>
<LongName> 2418410 - Disclosure - Accounts Receivable (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AccountsReceivableDetails </Role>
<ShortName> Accounts Receivable (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/AccountsReceivableTables </ParentRole>
<Position> 49 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R50.htm </HtmlFileName>
<LongName> 2419411 - Disclosure - Accounts Receivable - Schedule of Receivables (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AccountsReceivableScheduleofReceivablesDetails </Role>
<ShortName> Accounts Receivable - Schedule of Receivables (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 50 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R51.htm </HtmlFileName>
<LongName> 2420412 - Disclosure - Accounts Receivable - Schedule of Changes in Provisions For Allowance For Credit Loss (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/AccountsReceivableScheduleofChangesinProvisionsForAllowanceForCreditLossDetails </Role>
<ShortName> Accounts Receivable - Schedule of Changes in Provisions For Allowance For Credit Loss (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 51 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R52.htm </HtmlFileName>
<LongName> 2421413 - Disclosure - Accounts Receivable - Schedule of Fair Value of Notes Receivable (Details) </LongName>
<ReportType> Notes </ReportType>
<Role> http://www.harsco.com/role/AccountsReceivableScheduleofFairValueofNotesReceivableDetails </Role>
<ShortName> Accounts Receivable - Schedule of Fair Value of Notes Receivable (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 52 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R53.htm </HtmlFileName>
<LongName> 2424414 - Disclosure - Inventories (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/InventoriesDetails </Role>
<ShortName> Inventories (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/InventoriesTables </ParentRole>
<Position> 53 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R54.htm </HtmlFileName>
<LongName> 2425415 - Disclosure - Inventories - Schedule of Inventory (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/InventoriesScheduleofInventoryDetails </Role>
<ShortName> Inventories - Schedule of Inventory (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 54 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R55.htm </HtmlFileName>
<LongName> 2428416 - Disclosure - Property, Plant and Equipment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/PropertyPlantandEquipmentDetails </Role>
<ShortName> Property, Plant and Equipment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/PropertyPlantandEquipmentTables </ParentRole>
<Position> 55 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R56.htm </HtmlFileName>
<LongName> 2431417 - Disclosure - Leases - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesNarrativeDetails </Role>
<ShortName> Leases - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 56 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R57.htm </HtmlFileName>
<LongName> 2432418 - Disclosure - Leases - Components of Lease Expense (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesComponentsofLeaseExpenseDetails </Role>
<ShortName> Leases - Components of Lease Expense (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 57 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R58.htm </HtmlFileName>
<LongName> 2433419 - Disclosure - Leases - Supplemental Cash Flow Information Related to Leases (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesSupplementalCashFlowInformationRelatedtoLeasesDetails </Role>
<ShortName> Leases - Supplemental Cash Flow Information Related to Leases (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 58 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R59.htm </HtmlFileName>
<LongName> 2434420 - Disclosure - Leases - Supplemental Balance Sheet Information Related to Leases (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesSupplementalBalanceSheetInformationRelatedtoLeasesDetails </Role>
<ShortName> Leases - Supplemental Balance Sheet Information Related to Leases (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 59 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R60.htm </HtmlFileName>
<LongName> 2435421 - Disclosure - Leases - Supplemental Additional Information (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesSupplementalAdditionalInformationDetails </Role>
<ShortName> Leases - Supplemental Additional Information (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 60 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R61.htm </HtmlFileName>
<LongName> 2436422 - Disclosure - Leases - Maturities of Lease Liabilities (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/LeasesMaturitiesofLeaseLiabilitiesDetails </Role>
<ShortName> Leases - Maturities of Lease Liabilities (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 61 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R62.htm </HtmlFileName>
<LongName> 2440424 - Disclosure - Goodwill and Other Intangible Assets - Changes in Carrying Amounts of Goodwill by Segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/GoodwillandOtherIntangibleAssetsChangesinCarryingAmountsofGoodwillbySegmentDetails </Role>
<ShortName> Goodwill and Other Intangible Assets - Changes in Carrying Amounts of Goodwill by Segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 62 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R63.htm </HtmlFileName>
<LongName> 2441425 - Disclosure - Goodwill and Other Intangible Assets - Other Intangible Assets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/GoodwillandOtherIntangibleAssetsOtherIntangibleAssetsDetails </Role>
<ShortName> Goodwill and Other Intangible Assets - Other Intangible Assets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 63 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R64.htm </HtmlFileName>
<LongName> 2443426 - Disclosure - Debt and Credit Agreements - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DebtandCreditAgreementsNarrativeDetails </Role>
<ShortName> Debt and Credit Agreements - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 64 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R65.htm </HtmlFileName>
<LongName> 2446427 - Disclosure - Employee Benefit Plans (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/EmployeeBenefitPlansDetails </Role>
<ShortName> Employee Benefit Plans (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/EmployeeBenefitPlansTables </ParentRole>
<Position> 65 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R66.htm </HtmlFileName>
<LongName> 2448428 - Disclosure - Income Taxes (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/IncomeTaxesDetails </Role>
<ShortName> Income Taxes (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/IncomeTaxes </ParentRole>
<Position> 66 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R67.htm </HtmlFileName>
<LongName> 2451429 - Disclosure - Commitments and Contingencies (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/CommitmentsandContingenciesDetails </Role>
<ShortName> Commitments and Contingencies (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/CommitmentsandContingencies </ParentRole>
<Position> 67 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R68.htm </HtmlFileName>
<LongName> 2454430 - Disclosure - Reconciliation of Basic and Diluted Shares - Reconciliation of Basic and Diluted Shares (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReconciliationofBasicandDilutedSharesReconciliationofBasicandDilutedSharesDetails </Role>
<ShortName> Reconciliation of Basic and Diluted Shares - Reconciliation of Basic and Diluted Shares (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 68 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R69.htm </HtmlFileName>
<LongName> 2455431 - Disclosure - Reconciliation of Basic and Diluted Shares - Antidilutive Securities Excluded from Computation of Earnings per Share (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReconciliationofBasicandDilutedSharesAntidilutiveSecuritiesExcludedfromComputationofEarningsperShareDetails </Role>
<ShortName> Reconciliation of Basic and Diluted Shares - Antidilutive Securities Excluded from Computation of Earnings per Share (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 69 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R70.htm </HtmlFileName>
<LongName> 2458432 - Disclosure - Derivative Instruments, Hedging Activities and Fair Value - Fair Value of Outstanding Derivative Contracts (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValueFairValueofOutstandingDerivativeContractsDetails </Role>
<ShortName> Derivative Instruments, Hedging Activities and Fair Value - Fair Value of Outstanding Derivative Contracts (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 70 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R71.htm </HtmlFileName>
<LongName> 2459433 - Disclosure - Derivative Instruments, Hedging Activities and Fair Value - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValueNarrativeDetails </Role>
<ShortName> Derivative Instruments, Hedging Activities and Fair Value - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValueTables </ParentRole>
<Position> 71 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R72.htm </HtmlFileName>
<LongName> 2460434 - Disclosure - Derivative Instruments, Hedging Activities and Fair Value - Effect of Derivative Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValueEffectofDerivativeInstrumentsDetails </Role>
<ShortName> Derivative Instruments, Hedging Activities and Fair Value - Effect of Derivative Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 72 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R73.htm </HtmlFileName>
<LongName> 2461435 - Disclosure - Derivative Instruments, Hedging Activities and Fair Value - Derivatives Designated as Hedging Instruments (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/DerivativeInstrumentsHedgingActivitiesandFairValueDerivativesDesignatedasHedgingInstrumentsDetails </Role>
<ShortName> Derivative Instruments, Hedging Activities and Fair Value - Derivatives Designated as Hedging Instruments (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 73 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R74.htm </HtmlFileName>
<LongName> 2464436 - Disclosure - Review of Operations by Segment (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ReviewofOperationsbySegmentDetails </Role>
<ShortName> Review of Operations by Segment (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/ReviewofOperationsbySegmentTables </ParentRole>
<Position> 74 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R75.htm </HtmlFileName>
<LongName> 2467437 - Disclosure - Revenue Recognition - Revenues by Primary Geographical Markets (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RevenueRecognitionRevenuesbyPrimaryGeographicalMarketsDetails </Role>
<ShortName> Revenue Recognition - Revenues by Primary Geographical Markets (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 75 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R76.htm </HtmlFileName>
<LongName> 2468438 - Disclosure - Revenue Recognition - Narrative (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RevenueRecognitionNarrativeDetails </Role>
<ShortName> Revenue Recognition - Narrative (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 76 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R77.htm </HtmlFileName>
<LongName> 2469439 - Disclosure - Revenue Recognition - Remaining Performance Obligation (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RevenueRecognitionRemainingPerformanceObligationDetails </Role>
<ShortName> Revenue Recognition - Remaining Performance Obligation (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 77 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R78.htm </HtmlFileName>
<LongName> 2470440 - Disclosure - Revenue Recognition - Remaining Performance Obligation (2) (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/RevenueRecognitionRemainingPerformanceObligation2Details </Role>
<ShortName> Revenue Recognition - Remaining Performance Obligation (2) (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 78 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R79.htm </HtmlFileName>
<LongName> 2473441 - Disclosure - Other (Income) Expenses, Net (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/OtherIncomeExpensesNetDetails </Role>
<ShortName> Other (Income) Expenses, Net (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<ParentRole> http://www.harsco.com/role/OtherIncomeExpensesNetTables </ParentRole>
<Position> 79 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R80.htm </HtmlFileName>
<LongName> 2476442 - Disclosure - Components of Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Income Loss (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ComponentsofAccumulatedOtherComprehensiveLossAccumulatedOtherComprehensiveIncomeLossDetails </Role>
<ShortName> Components of Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Income Loss (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 80 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R81.htm </HtmlFileName>
<LongName> 2477443 - Disclosure - Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) </LongName>
<ReportType> Sheet </ReportType>
<Role> http://www.harsco.com/role/ComponentsofAccumulatedOtherComprehensiveLossReclassificationoutofAccumulatedOtherComprehensiveIncomeDetails </Role>
<ShortName> Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) </ShortName>
<MenuCategory> Details </MenuCategory>
<Position> 81 </Position>
</Report>
<Report instance="hsc-20200630.htm">
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<HtmlFileName> R9999.htm </HtmlFileName>
<LongName> Uncategorized Items - hsc-20200630.htm </LongName>
<ReportType> Sheet </ReportType>
<Role> http://xbrl.sec.gov/role/uncategorizedFacts </Role>
<ShortName> Uncategorized Items - hsc-20200630.htm </ShortName>
<MenuCategory> Cover </MenuCategory>
<Position> 82 </Position>
</Report>
<Report>
<IsDefault> false </IsDefault>
<HasEmbeddedReports> false </HasEmbeddedReports>
<LongName> All Reports </LongName>
<ReportType> Book </ReportType>
<ShortName> All Reports </ShortName>
</Report>
</MyReports>
<InputFiles>
<File doctype="10-Q" original="hsc-20200630.htm"> hsc-20200630.htm </File>
<File> exhibit10306302020.htm </File>
<File> hsc-20200630.xsd </File>
<File> hsc-20200630_cal.xml </File>
<File> hsc-20200630_def.xml </File>
<File> hsc-20200630_lab.xml </File>
<File> hsc-20200630_pre.xml </File>
<File> hsc-ex3112020xq2.htm </File>
<File> hsc-ex3122020xq2.htm </File>
<File> hsc-ex322020xq2.htm </File>
<File> hscex104-062020.htm </File>
</InputFiles>
<SupplementalFiles>
<File> hsc-20200630_g1.jpg </File>
</SupplementalFiles>
<BaseTaxonomies>
<BaseTaxonomy> http://xbrl.sec.gov/country/2017-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/srt/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://fasb.org/us-gaap/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/currency/2019-01-31 </BaseTaxonomy>
<BaseTaxonomy> http://xbrl.sec.gov/dei/2019-01-31 </BaseTaxonomy>
</BaseTaxonomies>
<HasPresentationLinkbase> true </HasPresentationLinkbase>
<HasCalculationLinkbase> true </HasCalculationLinkbase>
</FilingSummary>


6 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 2/29/24  Enviri Corp.                      10-K       12/31/23  131:21M
 3/01/23  Enviri Corp.                      10-K       12/31/22  132:23M
 8/05/22  Enviri Corp.                      10-Q        6/30/22   94:11M
 2/24/22  Enviri Corp.                      10-K       12/31/21  131:24M
 8/03/21  Enviri Corp.                      10-Q        6/30/21   96:13M
 2/25/21  Enviri Corp.                      10-K       12/31/20  124:25M


2 Previous Filings that this Filing References

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 6/26/20  Enviri Corp.                      8-K:1,7,9   6/26/20   12:307K                                   Donnelley … Solutions/FA
 5/12/20  Enviri Corp.                      8-K:5,9     5/12/20   13:247K
Top
Filing Submission 0000045876-20-000147   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Tue., Apr. 30, 3:55:02.2am ET