Cover - USD ($)

12 Months Ended

Dec. 31, 2025

Apr. 24, 2026

Jun. 30, 2025

Cover [Abstract]

Document Type

10-K/A

Document Annual Report

true

Document Period End Date

Dec. 31, 2025

Current Fiscal Year End Date

--12-31

Document Transition Report

false

Entity File Number

001-03970

Entity Registrant Name

ENVIRI CORPORATION

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

23-1483991

Entity Address, Address Line One

Two Logan Square100-120 North 18th Street, 17th Floor,

Entity Address, City or Town

Philadelphia

Entity Address, State or Province

PA

Entity Address, Postal Zip Code

19103

City Area Code

267

Local Phone Number

857-8715

Title of 12(b) Security

Common stock, par value $1.25 per share

Trading Symbol

NVRI

Security Exchange Name

NYSE

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Entity Filer Category

Large Accelerated Filer

Entity Small Business

false

Entity Emerging Growth Company

false

ICFR Auditor Attestation Flag

true

Document Financial Statement Error Correction

true

Document Financial Statement Restatement Recovery Analysis [Flag]

true

Entity Shell Company

false

Entity Public Float

$ 658,403,701

Entity Common Stock, Shares Outstanding

82,705,602

Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

None.

Amendment Flag

false

Document Fiscal Year Focus

2025

Document Fiscal Period Focus

FY

Entity Central Index Key

0000045876