Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2023 |
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| Statement of Comprehensive Income [Abstract] | |||
| Net Income | $ 690,327 | $ 589,442 | $ 479,731 |
| Other comprehensive income (loss) | |||
| Foreign currency translation adjustments, net of tax | (8,977) | 3,547 | (69,918) |
| Pension and other postretirement benefit liability adjustments, net of tax | 11,986 | 64,117 | 4,619 |
| Unrealized gain (loss) on securities and other, net of tax | 677 | 0 | (549) |
| Unrealized (loss) on derivatives, net of tax | 0 | 0 | (1,766) |
| Total other comprehensive income (loss) | 3,686 | 67,664 | (67,614) |
| Total Comprehensive Income | 694,013 | 657,106 | 412,117 |
| Less: Comprehensive Income Attributable to Noncontrolling Interests | 1,666 | 1,064 | 1,024 |
| Comprehensive Income Attributable to RPM International Inc. Stockholders | $ 692,347 | $ 656,042 | $ 411,093 |
| X | ||||||||||
- Definition Other comprehensive income loss available-for-sale securities and other adjustment net of tax. No definition available.
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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