Subsequent Events	9 Months Ended
Feb. 28, 2026
Subsequent Events [Abstract]
Subsequent Events	Note 18 – Subsequent Events In March 2026, the Company received draw distributions from the BDC Loan of CAD $20.5 million (approximately $15.1 million USD). On March 25, 2026, Worthington Steel's Board of Directors (the “Board”) declared a quarterly cash dividend of $0.16 per common share payable on June 26, 2026 to shareholders of record at the close of business on June 12, 2026.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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