Subsequent Event	3 Months Ended
Aug. 31, 2023
Subsequent Events [Abstract]
Subsequent Event	NOTE 16 — SUBSEQUENT EVENT Subsequent to August 31, 2023, we repurchased 131,858 shares of RPM common stock at a cost of approximately $12.5 million, or an average of $94.80 per share, under the stock repurchase program described further in Note 9, "Stock Repurchase Program," to the Consolidated Financial Statements.

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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