XML 15 R8.htm IDEA: XBRL DOCUMENT
v3.24.4

Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended
--- | ---
Nov. 30, 2024 | Aug. 31, 2024 | Nov. 30, 2023 | Aug. 31, 2023
Statement of Stockholders' Equity [Abstract] |  |  |  |
Dividends declared and paid per share | $ 0.51 | $ 0.46 | $ 0.46 | $ 0.42

X
- Definition Common stock dividends declared and paid per share. + References No definition available. + Details
Name: | rpm_CommonStockDividendsDeclaredAndPaidPerShare
Namespace Prefix: | rpm_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration