XML 147 R128.htm IDEA: XBRL DOCUMENT
v3.22.2

Valuation and Qualifying Accounts and Reserves (Schedule II) (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
May 31, 2022 | May 31, 2021 | May 31, 2020
Accrued Product Liability Reserves, Current |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | $ 18,297 | $ 10,458 | $ 11,739
Additions Charged to Selling, General and Administrative |  | 8,358 | 14,173 | 5,356
(Deductions) Additions | [1] | (10,652) | (6,334) | (6,637)
Balance at End of Period |  | 16,003 | 18,297 | 10,458
Accrued Environmental Reserves, Current |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | 1,329 | 1,970 | 1,147
Additions Charged to Selling, General and Administrative |  | 674 | 1,045 | 1,168
(Deductions) Additions | [1] | (948) | (1,686) | (345)
Balance at End of Period |  | 1,055 | 1,329 | 1,970
Accrued Product Liability Reserves, Noncurrent |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | 26,614 | 27,016 | 29,942
Additions Charged to Selling, General and Administrative |  | 10,760 | 15,366 | 15,042
(Deductions) Additions | [1] | (11,148) | (15,768) | (17,968)
Balance at End of Period |  | 26,226 | 26,614 | 27,016
Accrued Environmental Reserves, Noncurrent |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | 6,267 | 4,125 | 4,211
Additions Charged to Selling, General and Administrative |  | 318 | 1,918 | 371
(Deductions) Additions |  | (331) | 224 | (457)
Balance at End of Period |  | 6,254 | 6,267 | 4,125
Allowance For Credit Loss Current |  |  |  |
Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |  |
Balance at Beginning of Period |  | 55,922 | 55,847 | 54,748
Additions Charged to Selling, General and Administrative |  | 4,326 | 10,044 | 16,683
Acquisitions (Disposals) of Businesses and Reclassifications |  |  |  | (79)
(Deductions) Additions | [2] | (13,579) | (9,969) | (15,505)
Balance at End of Period |  | $ 46,669 | $ 55,922 | $ 55,847
[1] | Primarily claims paid during the year, net of insurance contributions
[2] | Uncollectible accounts written off, net of recoveries

X
- Definition Valuation Allowances And Reserves Reserves Of Businesses Acquired And Disposed + References No definition available. + Details
Name: | rpm_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAndDisposed
Namespace Prefix: | rpm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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: | srt_ValuationAndQualifyingAccountsDisclosureLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column C)(1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column D)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesDeductions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rpm_AccruedProductLiabilityReservesCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rpm_AccruedEnvironmentalReservesCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rpm_AccruedProductLiabilityReservesNoncurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rpm_AccruedEnvironmentalReservesNoncurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationAllowancesAndReservesTypeAxis=rpm_AllowanceForCreditLossCurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |