Subsequent Event	9 Months Ended
Feb. 28, 2025
Subsequent Events [Abstract]
Subsequent Event	NOTE 17 — SUBSEQUENT EVENT Subsequent to the end of our third quarter, RPM entered into a definitive agreement to acquire the Star Brands Group, the UK-based parent company of The Pink Stuff, which was announced on April 3, 2025. In calendar year 2024, The Pink Stuff generated net sales of approximately £150 million and will be included in our Consumer reportable segment. The transaction is expected to close late in the fourth quarter of fiscal 2025 or early in the first quarter of fiscal 2026, subject to customary closing conditions.

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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