Document and Entity Information |
Jun. 03, 2026 |
|---|---|
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Jun. 03, 2026 |
| Entity Registrant Name | WORTHINGTON STEEL, INC. |
| Entity Incorporation State Country Code | OH |
| Entity File Number | 001-41830 |
| Entity Tax Identification Number | 92-2632000 |
| Entity Address Address Line 1 | 100 W. Old Wilson Bridge Road |
| Entity Address City Or Town | Columbus |
| Entity Address State Or Province | OH |
| Entity Address Postal Zip Code | 43085 |
| City Area Code | 614 |
| Local Phone Number | 840-3462 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Shares, without par value |
| Trading Symbol | WS |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
| Amendment Description | This Form 8-K/A (this “Amendment”) amends the Current Report on Form 8-K filed by Worthington Steel, Inc. (the “Company”) on June 3, 2026 (the “Original 8-K”), which reported, among other things, the completion of the acquisition of Klöckner & Co SE (the “Acquisition”) under Item 2.01. This Amendment is being filed solely to provide the financial statements and pro forma financial information required by Item 9.01 of Form 8-K that were not included in the Original 8-K at the time of its initial filing, as permitted by Items 9.01(a)(3) and 9.01(b)(2) of Form 8-K.Except as set forth herein, no other modifications are being made to the Original 8-K, and this Amendment does not modify or update the disclosures in the Original 8-K. The disclosures in the Original 8-K otherwise remain unchanged. |
| Entity Central Index Key | 0001968487 |