| Cover Page | May 02, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | May 02, 2024 |
| Entity Registrant Name | SOTERA HEALTH COMPANY |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39729 |
| Entity Tax Identification Number | 47-3531161 |
| Entity Address, Address Line One | 9100 South Hills Blvd |
| Entity Address, Address Line Two | Suite 300 |
| Entity Address, City or Town | Broadview Heights |
| Entity Address, State or Province | OH |
| Entity Address, Postal Zip Code | 44147 |
| City Area Code | 440 |
| Local Phone Number | 262-1410 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock, $0.01 par value per share |
| Trading Symbol | SHC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001822479 |
| Amendment Flag | true |
| Amendment Description | This Amendment to Current Report on Form 8-K (the “Amendment”) is being filed as an amendment to the Current Report on Form 8-K filed by Sotera Health Company (the “Company”) with the United States Securities and Exchange Commission on May 2, 2024 (the “Original Form 8-K”). The Company is filing this Amendment solely to correct a typographical error in the Exhibit 99.1, page 6, Consolidated Statements of Operations, which erroneously included the line "Impairment of long-lived assets." The error had no impact on "Total operating expenses," "Income before income taxes," or "Net income" for the three months ended March 31, 2024. |
