XML 65 R50.htm IDEA: XBRL DOCUMENT
v3.23.2

Useful Lives (Detail) | 12 Months Ended
--- | ---
May 31, 2023
Building And Leasehold Improvements | Minimum |
Property Plant and Equipment Estimated Useful Lives [Line Items] |
Property Plant and equipment useful life | 1 year
Building And Leasehold Improvements | Maximum |
Property Plant and Equipment Estimated Useful Lives [Line Items] |
Property Plant and equipment useful life | 50 years
Machinery and Equipment | Minimum |
Property Plant and Equipment Estimated Useful Lives [Line Items] |
Property Plant and equipment useful life | 1 year
Machinery and Equipment | Maximum |
Property Plant and Equipment Estimated Useful Lives [Line Items] |
Property Plant and equipment useful life | 36 years

X
- Definition Property Plant and Equipment Estimated Useful Lives [Line Items] + References No definition available. + Details
Name: | rpm_PropertyPlantAndEquipmentEstimatedUsefulLivesLineItems
Namespace Prefix: | rpm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=rpm_BuildingAndLeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |