Subsequent Events	9 Months Ended
Feb. 28, 2021
Subsequent Events [Abstract]
Subsequent Events	NOTE 17 — SUBSEQUENT EVENTS On March 18, 2021, RPM International Inc. amended and extended its existing $250.0 million accounts receivable securitization facility by entering into Amendment No. 6 to Amended and Restated Receivables Purchase Agreement (the “RPA Amendment”). The RPA Amendment extends the facility termination date of the A/R Facility to May 21, 2024. The Company paid customary fees to the administrative agent for this financing. As of April 7, 2021, we have repurchased 303,887 shares of RPM common stock since February 28, 2021, at a cost of approximately $25.3 million, or an average of $83.35, under the stock repurchase program described in Note 10.

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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