XML 15 R49.htm IDEA: XBRL DOCUMENT
v3.19.3

Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Parenthetical) (Detail) $ in Thousands | 3 Months Ended
--- | ---
Aug. 31, 2019 USD ($) Position | Aug. 31, 2018 USD ($) Position Executive
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ 6,622 | $ 20,076
2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | 6,622 | 20,076
2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ 3,786 | $ 19,062
Construction Products Segment | 2020 MAP to Growth Related to Current Elimination | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of positions eliminated | Position | 21 | 31
Construction Products Segment | 2020 MAP to Growth Plan Related to Legal Function |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of positions eliminated | Position |  | 1
Restructuring charges |  | $ 200
Construction Products Segment | 2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ 848 | 2,797
Construction Products Segment | 2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ 160 | $ 2,419
Construction Products Segment | 2020 MAP to Growth | Construction Segment Executives |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of corporate executives | Executive |  | 2
Performance Coatings Segment | 2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of positions eliminated | Position | 51 | 85
Restructuring charges | $ 2,609 | $ 5,041
Performance Coatings Segment | 2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ 2,500 | $ 4,405
Consumer Products Segment | 2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of positions eliminated | Position | 2 | 9
Restructuring charges | $ 1,283 | $ 1,019
Consumer Products Segment | 2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | 767 | 1,019
Corporate/Other Segment | 2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | (7) | 8,999
Corporate/Other Segment | 2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ (7) | $ 8,999
Number of corporate executives | Executive |  | 2
Corporate/Other Segment | 2020 MAP to Growth | Vesting Equity Awards |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of corporate executives | Executive |  | 2
Specialty Products Segment | 2020 MAP to Growth |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of positions eliminated | Position | 10 | 25
Restructuring charges | $ 1,889 | $ 2,220
Specialty Products Segment | 2020 MAP to Growth | Severance and Benefit Costs |  |
Restructuring Cost And Reserve [Line Items] |  |
Restructuring charges | $ 366 | $ 2,220
Specialty Segment | 2020 MAP to Growth | Specialty Segment |  |
Restructuring Cost And Reserve [Line Items] |  |
Number of corporate executives | Executive |  | 4

X
- Definition Number of executives. + References No definition available. + Details
Name: | rpm_NumberOfExecutives
Namespace Prefix: | rpm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of positions eliminated during the period as a result of restructuring activities. + References No definition available. + Details
Name: | us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 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 http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://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_TwoThousandAndTwentyMarginAccelerationPlanToGrowthPlanMember
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_StatementBusinessSegmentsAxis=rpm_ConstructionProductsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=rpm_ConstructionSegmentExecutivesMember
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_ConsumerProductsSegmentMember
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: |

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

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

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

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