XML 71 R56.htm IDEA: XBRL DOCUMENT
v3.23.2

Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2023 | May 31, 2022 | May 31, 2021
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | $ 15,465 | $ 6,276 | $ 18,106
MAP 2025 |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 11,660 |  |
Cumulative Costs to Date |  | 11,660 |  |
Total Expected Costs |  | 22,695 |  |
MAP 2025 | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 8,502 |  |
Cumulative Costs to Date |  | 8,502 |  |
Total Expected Costs |  | 13,857 |  |
MAP 2025 | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 621 |  |
Cumulative Costs to Date |  | 621 |  |
Total Expected Costs |  | 6,301 |  |
MAP 2025 | Other Asset Write-offs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 2,537 |  |
Cumulative Costs to Date |  | 2,537 |  |
Total Expected Costs |  | 2,537 |  |
MAP 2025 | Construction Products Segment |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 6,092 |  |
Cumulative Costs to Date |  | 6,092 |  |
Total Expected Costs |  | 8,815 |  |
MAP 2025 | Construction Products Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 6,092 |  |
Cumulative Costs to Date |  | 6,092 |  |
Total Expected Costs |  | 8,494 |  |
MAP 2025 | Construction Products Segment | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 0 |  |
Cumulative Costs to Date |  | 0 |  |
Total Expected Costs |  | 321 |  |
MAP 2025 | Performance Coatings Segment |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 3,685 |  |
Cumulative Costs to Date |  | 3,685 |  |
Total Expected Costs |  | 6,692 |  |
MAP 2025 | Performance Coatings Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 1,148 |  |
Cumulative Costs to Date |  | 1,148 |  |
Total Expected Costs |  | 3,155 |  |
MAP 2025 | Performance Coatings Segment | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 0 |  |
Cumulative Costs to Date |  | 0 |  |
Total Expected Costs |  | 1,000 |  |
MAP 2025 | Performance Coatings Segment | Other Asset Write-offs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges | [1] | 2,537 |  |
Cumulative Costs to Date | [1] | 2,537 |  |
Total Expected Costs | [1] | 2,537 |  |
MAP 2025 | Consumer Segment |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 1,128 |  |
Cumulative Costs to Date |  | 1,128 |  |
Total Expected Costs |  | 1,128 |  |
MAP 2025 | Consumer Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 507 |  |
Cumulative Costs to Date |  | 507 |  |
Total Expected Costs |  | 507 |  |
MAP 2025 | Consumer Segment | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 621 |  |
Cumulative Costs to Date |  | 621 |  |
Total Expected Costs |  | 621 |  |
MAP 2025 | SPG Segments |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 805 |  |
Cumulative Costs to Date |  | 805 |  |
Total Expected Costs |  | 6,110 |  |
MAP 2025 | SPG Segments | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 805 |  |
Cumulative Costs to Date |  | 805 |  |
Total Expected Costs |  | 1,751 |  |
MAP 2025 | SPG Segments | Facility Closure and Other Related Costs |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | 0 |  |
Cumulative Costs to Date |  | 0 |  |
Total Expected Costs |  | 4,359 |  |
MAP 2025 | Corporate/Other Segment |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | (50) |  |
Cumulative Costs to Date |  | (50) |  |
Total Expected Costs |  | (50) |  |
MAP 2025 | Corporate/Other Segment | Severance and benefit costs (credits) |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |
Current Year Charges |  | (50) |  |
Cumulative Costs to Date |  | (50) |  |
Total Expected Costs |  | $ (50) |  |
[1] | Other restructuring costs are associated with the impairment of an indefinite-lived tradename as described below in Note C, "Goodwill and Other Intangible Assets," of the Consolidated Financial Statements.

X
- Definition Amount of costs incurred to date for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostCostIncurredToDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount expected to be recognized in earnings for the specified restructuring cost. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(d)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringAndRelatedCostExpectedCost1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(1)) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringPlanAxis=rpm_MarginAchievementPlanTwentyTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_FacilityClosingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rpm_ConstructionProductsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rpm_PerformanceCoatingsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rpm_ConsumerSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=rpm_SpecialtyProductsGroupSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |