75000 - Document - Document and Entity Information
link:presentationLink
link:calculationLink
link:definitionLink
75010 - Statement - Consolidated Balance Sheets
link:presentationLink
link:calculationLink
link:definitionLink
75020 - Statement - Consolidated Balance Sheets (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
75030 - Statement - Consolidated Statements of Income
link:presentationLink
link:calculationLink
link:definitionLink
75040 - Statement - Consolidated Statements of Comprehensive Income
link:presentationLink
link:calculationLink
link:definitionLink
75050 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
75060 - Statement - Consolidated Statements of Cash Flows
link:presentationLink
link:calculationLink
link:definitionLink
75070 - Statement - Consolidated Statements of Stockholders' Equity
link:presentationLink
link:calculationLink
link:definitionLink
75080 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)
link:presentationLink
link:calculationLink
link:definitionLink
995455 - Disclosure - Consolidation, Noncontrolling Interests and Basis of Presentation
link:presentationLink
link:calculationLink
link:definitionLink
995465 - Disclosure - New Accounting Pronouncements
link:presentationLink
link:calculationLink
link:definitionLink
995475 - Disclosure - Restructuring
link:presentationLink
link:calculationLink
link:definitionLink
995485 - Disclosure - Goodwill
link:presentationLink
link:calculationLink
link:definitionLink
995495 - Disclosure - Fair Value Measurements
link:presentationLink
link:calculationLink
link:definitionLink
995505 - Disclosure - Investment (Income), Net
link:presentationLink
link:calculationLink
link:definitionLink
995515 - Disclosure - Other (Income), Net
link:presentationLink
link:calculationLink
link:definitionLink
995525 - Disclosure - Income Taxes
link:presentationLink
link:calculationLink
link:definitionLink
995535 - Disclosure - Inventories
link:presentationLink
link:calculationLink
link:definitionLink
995545 - Disclosure - Stock Repurchase Program
link:presentationLink
link:calculationLink
link:definitionLink
995555 - Disclosure - Accumulated Other Comprehensive (Loss)
link:presentationLink
link:calculationLink
link:definitionLink
995565 - Disclosure - Earnings Per Share
link:presentationLink
link:calculationLink
link:definitionLink
995575 - Disclosure - Pension Plans
link:presentationLink
link:calculationLink
link:definitionLink
995585 - Disclosure - Contingencies and Accrued Losses
link:presentationLink
link:calculationLink
link:definitionLink
995595 - Disclosure - Supply Chain Financing
link:presentationLink
link:calculationLink
link:definitionLink
995605 - Disclosure - Revenue
link:presentationLink
link:calculationLink
link:definitionLink
995615 - Disclosure - Segment Information
link:presentationLink
link:calculationLink
link:definitionLink
995625 - Disclosure - Subsequent Events
link:presentationLink
link:calculationLink
link:definitionLink
995635 - Disclosure - New Accounting Pronouncements (Policies)
link:presentationLink
link:calculationLink
link:definitionLink
995645 - Disclosure - Restructuring (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995655 - Disclosure - Goodwill (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995665 - Disclosure - Fair Value Measurements (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995675 - Disclosure - Investment (Income), Net (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995685 - Disclosure - Other (Income), Net (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995695 - Disclosure - Inventories (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995705 - Disclosure - Stock Repurchase Program (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995715 - Disclosure - Accumulated Other Comprehensive (Loss) (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995725 - Disclosure - Earnings Per Share (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995735 - Disclosure - Pension Plans (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995745 - Disclosure - Contingencies and Accrued Losses (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995755 - Disclosure - Revenue (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995765 - Disclosure - Segment Information (Tables)
link:presentationLink
link:calculationLink
link:definitionLink
995775 - Disclosure - Consolidation, Noncontrolling Interests and Basis of Presentation - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995785 - Disclosure - New Accounting Pronouncements - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995795 - Disclosure - Restructuring - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995805 - Disclosure - Restructuring - Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995815 - Disclosure - Restructuring - Summary of Activity in Restructuring Reserves (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995825 - Disclosure - Goodwill - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995835 - Disclosure - Goodwill - Changes in Carrying Amount of Goodwill, by Reportable Segment (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995845 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis and Categorized using Fair Value Hierarchy (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995855 - Disclosure - Fair Value Measurements - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995865 - Disclosure - Fair Value Measurements - Fair Value and Carrying Value of Long-Term Debt (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995875 - Disclosure - Investment (Income), Net - Investment (Income), Net (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995885 - Disclosure - Investment (Income), Net - Net (Gain) on Marketable Securities (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995895 - Disclosure - Other (Income), Net - Schedule of Other (Income), Net (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995905 - Disclosure - Income Taxes - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995915 - Disclosure - Inventories - Major Classes of Inventories, Net of Reserves (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995925 - Disclosure - Stock Repurchase Program - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995935 - Disclosure - Stock Repurchase Program - Schedule of Share Repurchase Program (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995945 - Disclosure - Accumulated Other Comprehensive (loss) - Schedule of Accumulated other comprehensive (loss) (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995955 - Disclosure - Earnings Per Share - Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995965 - Disclosure - Earnings Per Share - Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Parenthetical) (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995975 - Disclosure - Pension Plans - Retirement-Related Benefit Plans' Impact on Income Before Income Taxes (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995985 - Disclosure - Pension Plans - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
995995 - Disclosure - Contingencies and Accrued Losses - Changes in Accrued Warranty Balances (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996005 - Disclosure - Contingencies and Accrued Losses - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996015 - Disclosure - Supply Chain Financing - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996025 - Disclosure - Revenue - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996035 - Disclosure - Revenue - Summary of Trade Accounts Receivable Net of Allowances and Net Contract Assets (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996045 - Disclosure - Revenue - Summary of Trade Accounts Receivable Net of Allowances and Net Contract Assets (Detail) 2
link:presentationLink
link:calculationLink
link:definitionLink
996055 - Disclosure - Revenue - Summary of Activity for Allowance for Credit Losses (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996065 - Disclosure - Segment Information - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996075 - Disclosure - Segment Information - Summary of Results of Reportable Segments and Disaggregation of Revenues by Geography (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
996085 - Disclosure - Segment Information - Net Sales and Long Lived Assets by Regions (Details)
link:presentationLink
link:calculationLink
link:definitionLink
996095 - Disclosure - Subsequent Events - Additional Information (Detail)
link:presentationLink
link:calculationLink
link:definitionLink
Payments for Legal Settlements
Legal settlements
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Foreign Currency Translation Adjustments
Deferred Tax Liabilities, Undistributed Foreign Earnings
Deferred income tax liability
Gross Profit
Gross Profit
Proceeds from Sale and Maturity of Marketable Securities, Total
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from sales of marketable securities
Increase (Decrease) in Contract with Customer, Asset
Change in contract assets
Restructuring
Restructuring and Related Activities Disclosure [Text Block]
Preferred Stock, Shares Issued
Preferred stock, issued
Preferred Stock, Shares Issued, Total
Interest Expense, Total
Interest Expense, Operating and Nonoperating
Interest Expense
Interest Expense
Share Repurchase Program, Authorized, Amount
Amount available to be repurchased
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Total
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Foreign currency translation adjustments, Tax
Commitments and Contingencies
Contingencies and Accrued Losses (Note 13)
Weighted Average Number of Shares Outstanding, Diluted
Diluted
Total shares for diluted earnings per share
2026 Restructuring Action
Two Thousand Twenty Six Restructuring Action [Member]
Two Thousand Twenty Six Restructuring Action.
Supplier finance program, obligation
Supplier Finance Program, Obligation
Supplier Finance Program, Obligation, Ending Balance
Supplier Finance Program, Obligation, Beginning Balance
Income Amounts Attributable to Parent, Disclosures [Abstract]
Numerator for earnings per share:
Contract with Customer, Liability, Noncurrent
Long-term deferred revenue
Minimum [Member]
Minimum
Method Used To Calculate Basic Earnings Per Share
Method used to calculate basic earnings per share.
Method used to calculate basic earnings per share
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Total
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Pension and other postretirement benefit liability adjustments, Tax
Attorney's fees and costs awarding the distributor
Legal Fees
Fair Value, Measurements, Recurring
Fair Value, Recurring [Member]
Change in Contract with Customer, Asset and Liability [Abstract]
Change in Contract with Customer, Asset and Liability [Abstract]
Common Stock, Shares, Issued, Total
Common Stock, Shares, Issued
Common stock, issued
Segment Reporting [Line Items]
Segment Reporting Information [Line Items]
Restructuring reserve settled without cash and other adjustments.
Restructuring Reserve Settled Without Cash And Other Adjustments
Non-cash charges and other adjustments
Income Tax Expense (Benefit), Total
Income Tax Expense (Benefit)
Provision (Benefit) for Income Taxes
Provision for Income Taxes
Share Repurchases Under Repurchase Program And Related Excise Tax (in Shares)
Share repurchases under repurchase program and related excise tax.
Share repurchases under repurchase program and related excise tax (in Shares)
Other
Other Nonoperating Income
Other
Defined Benefit Plan, Expected Future Employer Contributions, Current Fiscal Year
Total expected contributions to pension plans
Loss Contingency, Accrual, Current
Accrued losses
Operating Segments [Member]
Operating Segments
Expected Cost to Implement Selling, General and Administrative Optimization Actions
Expected cost to implement selling, general and administrative optimization actions.
Expected cost to implement SG&A optimization actions
Treasury Stock, Common, Value
Treasury stock, at cost
Subsequent Event Type [Domain]
A regional component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.
Reporting Region [Domain]
Reporting Region
Less: Cost of Sales
Cost of Goods and Services Sold, Total
Cost of Product and Service Sold
Cost of Sales
Cost of Sales
Long-term Debt and Lease Obligation, Total
Long-Term Debt and Lease Obligation
Long-term debt, less current maturities
Other
Payment for (Proceeds from) Other Investing Activity
Other assets noncurrent excluding property plant and equipment.
Other Assets Noncurrent Excluding Property Plant And Equipment [Abstract]
Other Assets
Reverse participating securities distributed and undistributed earnings loss basic.
Reverse Participating Securities Distributed And Undistributed Earnings Loss Basic
Reverse: Allocation of earnings and dividends to participating securities
Income Statement [Abstract]
Percentage of Prejudgment Interest on Loss Contingency Damages Awarded
Percentage of prejudgment interest on loss contingency damages awarded.
Percentage of prejudgment interest on damages awarded
Comprehensive Income (Loss) Note [Text Block]
Accumulated Other Comprehensive (Loss)
Accounting Standards Update and Change in Accounting Principle [Table]
New Accounting Pronouncements Or Change In Accounting Principle [Table]
Goodwill [Text Block]
Goodwill
Earnings Per Share, Basic, Total
Earnings Per Share, Basic
Basic
Basic Earnings Per Share of Common Stock
Corporate Segment and Other Operating Segment [Member]
Corporate/Other
Document Period End Date
Document Period End Date
Valuation Allowance by Deferred Tax Asset [Axis]
Common Stock, Shares Authorized
Common stock, authorized
Statement of Stockholders' Equity [Abstract]
Standard and Extended Product Warranty Accrual, Total
Standard and Extended Product Warranty Accrual
Beginning Balance
Ending Balance
Prepaid Expense and Other Assets, Current
Prepaid expenses and other current assets
Investments [Domain]
Investments
Revenue, Performance Obligation, Description of Payment Terms
Revenue performance obligation description of payment terms
Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income (loss)
Other comprehensive income
Total other comprehensive income
Accounting Standards Update and Change in Accounting Principle [Text Block]
New Accounting Pronouncements
Contingent consideration liability.
Contingent Consideration Liability [Member]
Contingent consideration liability
Treasury Stock [Text Block]
Stock Repurchase Program
Accounting Standards Update 2025-05 [Member]
ASU 2025-05
Disaggregation of Revenue [Table]
Disaggregation Of Revenue [Table]
Identifiable Assets
Assets
Total Assets
Title of 12(b) Security
Title of 12(b) Security
Goodwill, Total
Goodwill
Goodwill
Goodwill beginning balance
Goodwill ending balance
Preferred Stock, Value, Issued, Ending Balance
Preferred Stock, Value, Issued, Beginning Balance
Preferred Stock, Value, Issued, Total
Preferred Stock, Value, Issued
Preferred stock, par value $0.01; authorized 50,000 shares; none issued
Other Restructuring [Member]
Other Asset Write-Offs
Other Restructuring Costs
Payments for Repurchase of Common Stock
Repurchases of common stock
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name
Schedule of Net Benefit Costs [Table Text Block]
Retirement-Related Benefit Plans' Impact on Income Before Income Taxes
Effective Income Tax Rate Reconciliation, Percent, Total
Effective Income Tax Rate Reconciliation, Percent
Effective income tax (benefit) expense rate
Interest Paid, Excluding Capitalized Interest, Operating Activity
Interest
Goodwill [Line Items]
Other Nonoperating Income and Expense [Text Block]
Other (Income), Net
Shares repurchased, value
Share repurchases under repurchase program
Shares repurchased
Cost of repurchases
Goodwill Translation Adjustments and Other
Goodwill translation adjustments and other.
Translation adjustments and other
Segment Reporting [Table Text Block]
Summary of Results of Reportable Segments and Disaggregation of Revenues by Geography
Stockholders' Equity Attributable to Parent, Ending Balance
Stockholders' Equity Attributable to Parent, Beginning Balance
Equity, Attributable to Parent
Total RPM International Inc. stockholders' equity
Retirement Plan Sponsor Location [Domain]
Retirement Plan Sponsor Location
Treasury Stock, Common [Member]
Treasury Stock
Percentage of contract with customer liability.
Percentage Of Contract With Customer Liability
Percentage of change in contract liabilities
Unrealized gain (loss) on derivatives, Tax
Other comprehensive income (loss), unrealized gain on derivatives, tax.
Other Comprehensive Income Loss Unrealized Gain Loss On Derivatives Tax
Other Assets, Noncurrent, Total
Other Assets, Noncurrent
Other
Income Tax Disclosure [Text Block]
Income Taxes
Fair Value and Carrying Value of Long-Term Debt
Fair Value, by Balance Sheet Grouping [Table Text Block]
Earnings Per Share [Text Block]
Earnings Per Share
Estimate of Fair Value Measurement [Member]
Fair Value
Method used to calculate diluted earnings per share.
Method Used To Calculate Diluted Earnings Per Share
Method used to calculate diluted earnings per share
Number of Reportable Segments
Number of reportable segments
Payments related to shares of common stock returned for taxes.
Payments Related To Shares Of Common Stock Returned For Taxes
Shares of common stock returned for taxes
Cost Reduction Plan Expected Implementation Cost
Cost reduction plan expected implementation cost.
Cost reduction plan expected implementation cost
Supply Chain Financing
Supplier Finance Program [Text Block]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Amounts reclassified from accumulated other comprehensive income (loss)
Stock compensation expense and other deferred compensation, shares granted less shares returned for taxes
Stock Compensation Expense And Other Deferred Compensation, Shares Granted Less Shares Returned For Taxes, Value
Stock compensation expense and other deferred compensation, shares granted less shares returned for taxes, value.
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Corporate/Other
Accounts Receivable, Credit Loss Expense (Reversal)
Bad debt provision
Increase (Decrease) in Other Accrued Liabilities
(Decrease) increase in other accrued liabilities
Interest Income (Expense), Nonoperating
Interest (income)
Restricted Stock [Member]
Restricted shares
Debt and Equity Securities, Gain (Loss), Total
Debt and Equity Securities, Gain (Loss)
Net (gain) on marketable securities
Investment (Income), Net
Investment Income Expense Disclosure [Text Block]
Investment income (expense) disclosure.
Geographical [Domain]
Geographical
Maximum range of reasonably possible loss
Loss Contingency, Range of Possible Loss, Portion Not Accrued
Equity Securities, FV-NI, Current
Total marketable equity securities
Marketable equity securities
Corporate income tax rate.
Corporate Income Tax Rate
Corporate income tax rate
Percentage of change in Net Contract Assets/(Liabilities)
Percentage Of Contract With Customer Asset Liability
Percentage of contract with customer asset liability.
Litigation Status [Domain]
Statistical Measurement [Axis]
Reporting Unit [Axis]
Entity Interactive Data Current
Entity Interactive Data Current
Summary of Charges Recorded in Connection with Restructuring by Reportable Segment
Restructuring and Related Costs [Table Text Block]
Foreign Plan [Member]
Non-U.S. Plans
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Pension And Other Postretirement Benefit Liability Adjustments, Net of Tax
Goodwill [Table]
Common Stock, Value, Issued, Ending Balance
Common Stock, Value, Issued, Beginning Balance
Common Stock, Value, Issued, Total
Common Stock, Value, Issued
Common stock, par value $0.01; authorized 300,000 shares; issued 146,910 and outstanding 127,554 as of August 31, 2026; issued 146,578 and outstanding 127,643 as of May 31, 2026
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share
Repurchase of common stock price per shares
Repurchase of common stock, price per share range
Repurchase Of Common Stock Price Per Share Range
Average cost per share
Other Noncash Income (Expense)
Other
Other
Other Noncash Income (Expense), Total
Deferred tax assets valuation allowance
Deferred Tax Assets, Valuation Allowance
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Assets and Liabilities Measured at Fair Value on Recurring Basis and Categorized using Fair Value Hierarchy
Product and Service [Axis]
Product and Service
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)
Increase (decrease) in accrual related to acquisitions
Retained Earnings (Accumulated Deficit), Ending Balance
Retained Earnings (Accumulated Deficit), Beginning Balance
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit)
Retained earnings
Entity Bankruptcy Proceedings, Reporting Current
Entity Bankruptcy Proceedings, Reporting Current
Gain on Business Interruption Insurance Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration]
Fair Value, Inputs, Level 3 [Member]
Significant Unobservable Inputs (Level 3)
Contract with Customer, Duration [Domain]
Contract with Customer, Duration
Cash and Cash Equivalents, Fair Value Disclosure
Cash and cash equivalents
Increase (Decrease) in Accounts Payable, Total
Increase (Decrease) in Accounts Payable
Increase in accounts payable
Fair Value, by Balance Sheet Grouping [Table]
Fair Value By Balance Sheet Grouping [Table]
Liabilities, Noncurrent [Abstract]
Long-Term Liabilities
Disaggregation of Revenue [Line Items]
Disaggregation Of Revenue [Line Items]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Consolidation, Noncontrolling Interests and Basis of Presentation
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Changes in assets and liabilities, net of effect from purchases and sales of businesses:
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Table]
Marketable Securities, Unrealized Gain (Loss), Total
Marketable Security, Unrealized Gain (Loss)
Unrealized (gains) on marketable equity securities
Income Taxes [Line Items]
Income Taxes [Line Items]
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Less: Comprehensive Income Attributable to Noncontrolling Interests
Deferred Income Tax Liabilities, Net, Total
Deferred Income Tax Liabilities, Net
Deferred income taxes
Schedule Of Share Repurchase Program [Table Text Block]
Share repurchase program.
Schedule of Share Repurchase Program
Other Comprehensive Income (Loss), before Tax, Total
Other Comprehensive Income (Loss), before Tax
Current period comprehensive income
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization
Allowance for depreciation
Subsequent Events [Text Block]
Subsequent Events
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Effect of Exchange Rate Changes on Cash and Cash Equivalents
Acquisitions and purchase price allocation adjustments
Goodwill Acquisitions and Purchase Price Allocation Adjustments
Goodwill acquisitions and purchase price allocation adjustments.
Defined Benefit Plan, Service Cost
Service cost
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV
Incremental Common Shares Attributable to Dilutive Effect of Written Put Options
Average diluted options and awards
Corporate Debt Securities [Member]
Corporate bonds
Intangible Asset, Indefinite-Lived, Class [Axis]
Goodwill, Reporting Unit, Number
Number of reporting units
Debt Securities, Available-for-sale, Total
Debt Securities, Available-for-Sale
Available-for-sale debt securities
Total available-for-sale debt securities
Performance Coatings Group Segment:
Performance Coatings Group Segment.
Performance Coatings Group Segment [Member]
PCG Segment
Liabilities and Equity
Total Liabilities and Stockholders' Equity
Short-Term Contract with Customer [Member]
Short-term
Document Fiscal Period Focus
Document Fiscal Period Focus
Schedule of Inventory, Current [Table Text Block]
Major Classes of Inventories, Net of Reserves
Fair value adjustments to contingent earnout obligations.
Fair Value Adjustments To Contingent Earnout Obligations
Fair value adjustments to contingent earnout obligations
Accumulated Other Comprehensive Income (Loss) [Line Items]
Loss Contingency Accrual, Payments
Accrual payments
CANADA
Canada
Marketable Security, Gain (Loss) [Abstract]
Net Loss (Gain) on Marketable Securities
Standard and Extended Product Warranty Accrual, Decrease for Payments, Total
Standard and Extended Product Warranty Accrual, Decrease for Payments
Deductions
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Net Change in Cash and Cash Equivalents
Entity Current Reporting Status
Entity Current Reporting Status
Fair Value, Inputs, Level 1 [Member]
Quoted Prices in Active Markets for Identical Assets (Level 1)
Accounts Payable, Current, Total
Accounts Payable, Current
Accounts payable
Investment Type [Axis]
Investment Type
Financial Instrument [Axis]
Financial Instrument
Document Transition Report
Document Transition Report
Current total expected costs
Restructuring and Related Cost, Expected Cost, Total
Restructuring and Related Cost, Expected Cost
Total Expected Costs
Liability Class [Axis]
Liability Class
General contracting and roofing services.
General Contracting And Roofing Services [Member]
General Contracting And Roofing Services
Commitments and Contingencies Disclosure [Abstract]
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Expected return on plan assets
Subsequent Event [Line Items]
Increase (Decrease) in Inventories, Total
Increase (Decrease) in Inventories
(Increase) in inventory
Accounting Standards Update [Domain]
Accounting Standards Update
Liabilities, Current [Abstract]
Current Liabilities
Restructuring Plan [Domain]
Restructuring Plan
Retirement Plan Sponsor Location [Axis]
Retirement Plan Sponsor Location
U.S. Plans
Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Stockholders' Equity
Impairment of indefinite-lived assets
Intangible Asset, Excluding Goodwill, Indefinite-Lived, Impairment Loss
Common Stock [Member]
Common Stock
Inventory, Finished Goods, Net of Reserves
Finished goods
Retirement Plan Type [Axis]
Pension Benefits
Investment Income, Dividend
Dividend (income)
Accounting Standards Update and Change in Accounting Principle [Abstract]
Share Repurchases Under Repurchase Program And Related Excise Tax
Share repurchases under repurchase program and related excise tax.
Share repurchases under repurchase program and related excise tax
Accounting Standards Update [Axis]
Accounting Standards Update
Statistical Measurement [Domain]
Supplier financing program, termination notice
Supplier Financing Program, Termination Notice
Supplier financing program, termination notice.
Severance and benefit costs
Severance and benefit costs
Severance and Benefit (Credits) Costs
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Summary of Activity in Restructuring Reserves
Weighted Average Number of Shares Outstanding, Basic
Basic
Basic weighted average common shares
Weighted Average Number of Shares Outstanding, Basic, Total
Assets [Abstract]
Assets
The cash outflow associated with the aggregate amount paid by the entity to reduce long-term or short-term debt.
Reductions Of Long Term And Short Term Debt
Reductions of long-term and short-term debt
Entity Central Index Key
Entity Central Index Key
US Treasury and Government [Member]
U.S. Treasury and other government
Restructuring Charges, Total
Current Year Charges
Restructuring Expense
Charges (credits) to expense
Antidilutive Securities [Axis]
Antidilutive Securities
Consolidation Items [Axis]
Operating Segments
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Quarterly Report
Document Quarterly Report
Net Income (Loss) Available to Common Stockholders, Diluted
Net income available to common shareholders - diluted
Undistributed Earnings of Foreign Subsidiaries
Unremitted foreign earnings
Accounts receivable allowance for credit loss translation adjustments.
Accounts Receivable Allowance For Credit Loss Translation Adjustments
Translation adjustments
Loss Contingency Reduction in Compensatory and Punitive Damages Award
Loss contingency, reduction in compensatory and punitive damages award.
Loss contingency, reduction of compensatory and punitive damages award
Fair Value, Inputs, Level 2 [Member]
Significant Other Observable Inputs (Level 2)
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Cash Provided by Operating Activities
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Earnings Per Share, Diluted, Total
Earnings Per Share, Diluted
Diluted
Diluted Earnings Per Share of Common Stock
Preferred Stock, Par or Stated Value Per Share
Preferred stock, par value
Net Income Attributable to RPM International Inc. Stockholders
Increase (decrease) in net income due to restatement effect
Basis of Presentation and Principles of Consolidation [Policy Text Block]
Basis Of Presentation And Principles Of Consolidation Policy [Text Block]
Consolidation, Noncontrolling Interests and Basis of Presentation
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Unrealized (loss) on derivatives, net of tax
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Table Text Block]
Net Sales and Long Lived Assets by Regions
Commitments and Contingencies Disclosure [Text Block]
Contingencies and Accrued Losses
Contract with Customer, Duration [Axis]
Contract with Customer, Duration
Gain (Loss) on Disposition of Assets
Gain (Loss) on Disposition of Assets, Total
Net (gain) on sales of assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Accounts receivable, allowance for credit loss [Roll Forward]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Other Comprehensive Income (Loss), Tax, Total
Other Comprehensive Income (Loss), Tax
Income taxes associated with the current period
Type of Restructuring [Domain]
Type of Restructuring
Goodwill, Transfers
Goodwill transferred
Transfers
Comprehensive Income Attributable to RPM International Inc. Stockholders
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive Income Attributable to RPM International Inc. Stockholders
Disclosure of profit or loss, total assets for each reportable region, and a description of the types of products and services for each reportable region.
Region Reporting Information By Region [Axis]
Region Reporting Information By Region
Realized losses on available-for-sale debt securities
Debt Securities, Trading, Realized Gain (Loss), Total
Debt Securities, Trading, Realized Gain (Loss)
Measurement Frequency [Domain]
Measurement Frequency
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Foreign currency translation adjustments, net of tax
Accounts Receivable, Allowance for Credit Loss
Ending balance
Beginning balance
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Trade Accounts Receivable Net of Allowances and Net Contract Assets (Liabilities)
Debt Instrument, Fair Value Disclosure, Total
Debt Instrument, Fair Value Disclosure
Long-term debt, including current portion
Equity Components [Axis]
Equity Components
Cash Flows from Investing Activities:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Subsidiary’s appeal, including available contractual arguments.
Subsidiary's Appeal, Including Available Contractual Arguments [Member]
Subsidiary's Appeal, Including Available Contractual Arguments
Statement of Cash Flows [Abstract]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV
Income Tax Disclosure [Abstract]
Retirement Benefits [Abstract]
Increase (Decrease) in Prepaid Expense and Other Assets, Total
Increase (Decrease) in Prepaid Expense and Other Assets
(Increase) in prepaid expenses and other current and long-term assets
Intangible Assets, Net (Excluding Goodwill), Total
Intangible Asset, Excluding Goodwill, after Accumulated Amortization
Other intangible assets, net of amortization
Fair Value Measurements
Fair Value Disclosures [Text Block]
Depreciation, Depletion and Amortization, Total
Depreciation, Depletion and Amortization
Depreciation and amortization
Depreciation and Intangible Asset Amortization
Annual Revenue From Latin America Businesses Transferred
Annual revenue from Latin America businesses transferred.
Annual revenue from Latin America business transferred
Preferred Stock, Shares Authorized
Preferred stock, authorized
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Unrealized Gain On Derivatives, Net of Tax
Cash Paid During Period For [Abstract]
Cash Paid During Period For [Abstract]
Cash paid during the period for:
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Shares excluded from the calculation of diluted earnings per share
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Prior service cost (credit)
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year
Additional contribution to pension plans, remainder of fiscal year
Number of Operating Segments
Number of operating segments
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss)
Deferred Income Tax Assets, Net, Total
Deferred Income Tax Assets, Net
Deferred income taxes
Parent [Member]
Total RPM International Inc. Equity
Inventory, Net
Inventories
Total Inventory, Net of Reserves
Loss contingency, estimate of possible loss
Loss Contingency, Estimate of Possible Loss
Percentage of subsidiary earnings included in consolidation.
Percentage of controlled subsidiary's earnings
Percentage Of Subsidiary Earnings Included In Consolidation
Percentage of controlled subsidiary's earnings
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive income (loss), net of tax:
Non-US [Member]
Foreign
Deferred Tax Asset [Domain]
Long-term Debt, Current Maturities, Total
Long-Term Debt, Current Maturities
Current portion of long-term debt
Intangible Asset, Goodwill and Other [Abstract]
Net Contract Assets
Contract with customer net asset liability.
Contract With Customer Net Asset Liability
Net Contract Assets (Liabilities)
Dividends declared and paid
Dividends, Common Stock, Total
Dividends, Common Stock
Document Type
Document Type
Capital to be returned to stockholders through share repurchases.
Capital To Be Returned To Stockholders Through Share Repurchases
Capital to be returned to stockholders through share repurchases
Consumer Segment
Consumer segment.
Consumer Segment [Member]
Cash Flows from Operating Activities:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Kalzip GmbH
Kalzip GmbH [Member]
Kalzip GmbH.
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Liabilities and Equity [Abstract]
Liabilities and Stockholders' Equity
Payments to Acquire Productive Assets, Total
Payments to Acquire Productive Assets
Capital expenditures
Subsequent Event [Member]
Subsequent Event
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Accumulated Other Comprehensive (Loss)
Segment Reporting [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Securities Act File Number
Entity File Number
Defined Benefit Plan, Amortization of Gain (Loss)
Net actuarial losses (gains) recognized
Revenue
Revenue from Contract with Customer [Text Block]
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]
Change in accounting principle, accounting standards update, immaterial effect [true false]
Retirement Plan Type [Domain]
Retirement Plan Type
Disclosure of assets and liabilities, including financial instruments measured at fair value, on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).
Assets And Liabilities Fair Value Disclosure
Assets (liabilities) at fair value
Retained Earnings [Member]
Retained Earnings
Other
Proceeds from (Payment for) Other Financing Activity
Other comprehensive income loss available-for-sale securities and other adjustment net of tax.
Other Comprehensive Income Loss Available For Sale Securities And Other Adjustment Net Of Tax
Unrealized gain on securities, net of tax
Entity Registrant Name
Entity Registrant Name
Restructuring Reserve, Total
Restructuring Reserve, Beginning Balance
Restructuring Reserve, Ending Balance
Restructuring Reserve
Accrual restructuring
Accounting Policies [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net Income
Net Income
Net income
Selling, general and administrative expense
Selling, General and Administrative Expense, Total
Selling, General and Administrative Expenses
Selling, General and Administrative Expenses
Less: Selling, General and Administrative Expenses
Proceeds from Issuance of Debt
Additions to long-term and short-term debt
Restructuring and Related Cost, Expected Cost Remaining
Future Expected Costs
Domestic Plan [Member]
U.S. Plans
Trade Names [Member]
Trade name
Entity Address, Address Line One
Entity Address, Address Line One
Net Income (Loss) Attributable to Noncontrolling Interest, Total
Net Income (Loss) Attributable to Noncontrolling Interest
Less: Net Income Attributable to Noncontrolling Interests
UNITED STATES
Domestic
U.S. Plans
(Decrease) in accrued compensation and benefits
Increase (Decrease) in Employee Related Liabilities, Total
Increase (Decrease) in Employee Related Liabilities
Reporting Unit [Domain]
Contract with Customer, Asset, after Allowance for Credit Loss, Total
Contract with Customer, Asset, after Allowance for Credit Loss
Contract assets
Restructuring Cost [Table]
Schedule Of Restructuring And Related Costs [Table]
Total current assets
Assets, Current
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Net Periodic Benefit Cost
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Segments [Axis]
Segments
SPG Segment
Loss Contingencies [Line Items]
Business Combination, Acquiree's Revenue, Prior Period
Net sales
Supplemental Cash Flow Information [Abstract]
Supplemental Disclosures of Cash Flows Information:
Gain (Loss) from Litigation Settlement
Gain (Loss) from Litigation Settlement, Total
Gain from reduction of compensatory and punitive damages award
Deferred Income Tax Expense (Benefit), Total
Deferred Income Tax Expense (Benefit)
Deferred income taxes
Entity Small Business
Entity Small Business
Net Change in Deferred Tax Assets
Net change in deferred tax assets.
Deferred tax assets adjusted net amount
Pension Plan [Member]
Pension Benefits
Restructuring and related cost incurred to date
Restructuring and Related Cost, Cost Incurred to Date
Cumulative Costs to Date
Change in trade accounts receivable, less allowances
Increase (Decrease) in Accounts and Other Receivables
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Accounts Receivable, after Allowance for Credit Loss, Current
Trade accounts receivable, less allowances
Trade accounts receivable (less allowances of $38,236 and $39,179, respectively)
Consolidation Items [Domain]
Consolidation Items
Change in Accounting Principle, Accounting Standards Update, Adoption Date
Change in accounting principle, accounting standards update, adoption date
Employee-related Liabilities, Current, Total
Employee-related Liabilities, Current
Accrued compensation and benefits
Accrued compensation and benefits
Treasury Stock, Shares, Acquired
Shares repurchased
Share repurchases under repurchase program (in shares)
Minimum tax rate on reported profits from OECD framework
Minimum Tax Rate on Reported Profits From OECD Framework
Minimum tax rate on reported profits from OECD framework.
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Restructuring and Related Activities [Abstract]
Defined Benefit Plan, Plan Assets, Contributions by Employer
Contribution to main pension plan during current quarter
Earnings Per Share [Abstract]
Judicial Ruling
Judicial Ruling [Member]
CPG and Consumer Segments [Member]
CPG and Consumer Segments
CPG and consumer segments.
Restructuring Plan [Axis]
Restructuring Plan
Mutual Fund [Member]
Mutual funds
Total expected costs decreased, amount
Restructuring and Related Cost Expected Cost, Decreased
Restructuring and related cost expected cost, decreased.
Subsequent Event Type [Axis]
Equity [Abstract]
Product and Service [Domain]
Product and Service
Stock-Based Compensation Plans
Share-Based Payment Arrangement [Member]
Accounts Receivable, Allowance for Credit Loss, Current
Trade accounts receivable, allowances
Measurement Frequency [Axis]
Measurement Frequency
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
Summary of Activity for Allowance for Credit Losses
Cash Flows from Financing Activities:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class
Intangible Asset, Indefinite-Lived, Class [Domain]
Liabilities, Noncurrent
Total long-term liabilities
Loss Contingency, Damages Awarded, Value
New jury awarded damages value to distributor
The Star Brands Group [Member]
The Star Brands Group.
The Star Brands Group
Proceeds from Sales of Assets, Investing Activities
Proceeds from sales of assets
Entity Tax Identification Number
Entity Tax Identification Number
Investment (Income), Net
Goodwill, Impairment Loss
Goodwill Impairment
Impairments
Goodwill impairment losses
Equity Component [Domain]
Equity Component
Universal Sealants Restructuring.
Universal Sealants Restructuring [Member]
USL Restructuring
Stock Repurchase Programs [Line Items]
Stock Repurchase Programs [Line Items]
Stock Repurchase Programs [Line Items]
(Gain) on Sales of Assets and Business, Net
Gain (loss) on sales of assets and business, net.
Gain (Loss) On Sales Of Assets And Business, Net
Total other assets
Other assets noncurrent excluding property plant and equipment.
Other Assets Noncurrent Excluding Property Plant And Equipment
Total Comprehensive Income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Entity Address, City or Town
Entity Address, City or Town
Percentage of contract with customer asset net.
Percentage Of Contract With Customer Asset Net
Percentage of change in contract assets
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued, Total
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued
Provision charged to expense
Increase (Decrease) in Contract with Customer, Liability
Change in contract liabilities
Business Combination [Axis]
Capital expenditures accrued within accounts payable at quarter-end
Capital Expenditures Incurred but Not yet Paid
Income Tax Paid, after Refund Received
Income Taxes Paid, Net, Total
Income taxes, net of refunds
Stocks
Stocks [Member]
Stocks.
Segments [Domain]
Segments
Entity Common Stock, Shares Outstanding
Marketable Securities [Table Text Block]
Net (Gain) on Marketable Securities
Restructuring and related cost expected cost increased.
Restructuring and Related Cost Expected Cost Increased
Total expected costs increased, amount
Antidilutive Security, Excluded EPS Calculation [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Measurement Basis [Axis]
Measurement Basis
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Average Number of Shares of Common Stock Outstanding:
Denominator for basic and diluted earnings per share:
Payment of acquisition related contingent consideration.
Payment Of Acquisition Related Contingent Consideration
Payments of acquisition-related contingent consideration
Contract with Customer, Liability, Current
Contract liabilities - short-term
Payments to Acquire Marketable Securities, Total
Payments to Acquire Marketable Securities
Purchase of marketable securities
Statement [Table]
Statement [Table]
Share-Based Payment Arrangement, Expense
Stock-based compensation expense
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
Income Before Income Taxes
Income (Loss) Before Income Taxes
Inventory, Raw Materials and Supplies, Net of Reserves, Total
Inventory, Raw Materials and Supplies, Net of Reserves
Raw material and supplies
The Pink Stuff [Member]
The Pink Stuff.
The Pink Stuff
Entity Shell Company
Entity Shell Company
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Cash (Used for) Investing Activities
Other Income and Expenses [Abstract]
Statement [Line Items]
Statement [Line Items]
Construction Products Group Segment
Construction Products Group Segment.
Construction Products Group Segment [Member]
CPG Segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maximum
Maximum [Member]
Change in Net Contract Assets (Liabilities)
Change in net contract with customer asset liability.
Change In Net Contract With Customer Asset Liability
Increase (decrease) in net contract assets
Change in Net Contract Assets (Liabilities)
Change in Net Contract Assets (Liabilities)
Change in net contract assets (liabilities)
Business Combination [Domain]
Percentage of change in trade accounts receivable, less allowances
Percentage of accounts receivable net.
Percentage Of Accounts Receivable Net
Contingency expense
Litigation Settlement, Fee Expense
Construction Products, Performance Coatings Groups and Consumer Segment [Member]
Construction products, performance coatings groups and consumer segment.
CPG, PCG and Consumer
Subsequent Events [Abstract]
Investments, Debt and Equity Securities [Abstract]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loss Contingency Trial Commencement Date
Loss contingency, trial commencement date
Loss contingency trial commencement date.
Universal Sealants
Universal Sealants [Member]
Universal sealants.
Gain on business interruption insurance recovery
Gain on Business Interruption Insurance Recovery
Restructuring Cost and Reserve [Line Items]
Restructuring Cost And Reserve [Line Items]
Less: Allocation of earnings and dividends to participating securities
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic
Reverse: Allocation of earnings and dividends to participating securities
Assets, Current [Abstract]
Current Assets
Other comprehensive income loss available for sale securities and other tax.
Other Comprehensive Income Loss Available For Sale Securities And Other Tax
Unrealized (loss) on securities and other, Tax
Liabilities, Fair Value Disclosure, Total
Liabilities, Fair Value Disclosure
Contingent consideration
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Pension and other postretirement benefit liability adjustments, net of tax
Pension and other postretirement benefit liability adjustments, net of tax
Shares repurchased authorization date.
Shares Repurchased Authorization Date
Authorization of stock repurchase program
Specialty Products Group Segment
Specialty products group segment.
Specialty Products Group Segment [Member]
SPG Segments
Earnings Per Share Reconciliation [Abstract]
Earnings per Share of Common Stock Attributable to RPM International Inc. Stockholders:
Earnings Per Share of Common Stock Attributable to RPM International Inc. Stockholders:
Document Fiscal Year Focus
Document Fiscal Year Focus
Payments for Restructuring
Cash payments charged against reserve
Cash payments charged against reserve
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Unrealized Gain (Loss) On Securities, Net of Tax
Gain on divestiture
Gain (Loss) on Disposition of Business
Loss on sale of Bridgecare services division
Common Stock, Shares, Outstanding
Common stock, outstanding
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Total equity
Equity, Including Portion Attributable to Noncontrolling Interest
Ending Balance
Beginning Balance
Other nonoperating income expense.
Other Nonoperating Income Expense Table [Text Block]
Schedule of Other (Income), Net
Restructuring Type [Axis]
Restructuring Type
Other Restructuring Costs
Accrued Liabilities
Accrued Liabilities, Total
Accrue a liability
Accounts Receivable, Allowance for Credit Loss, Writeoff
Uncollectible accounts written off, net of recoveries
Financial Instruments
Financial Instruments [Domain]
Statement of Comprehensive Income [Abstract]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
Change in accounting principle, accounting standards update, adopted [true false]
Operating Lease, Liability, Noncurrent
Operating lease liabilities
Contract with Customer, Liability, Revenue Recognized
Contract liabilities, revenue recognized
Subsidiary Potential Arguments On Appeal
Subsidiary Potential Arguments On Appeal [Member]
Subsidiary potential arguments on appeal.
Latin America
Latin America [Member]
Other Accrued Liabilities, Current
Other accrued liabilities
Additional Paid in Capital, Common Stock, Ending Balance
Additional Paid in Capital, Common Stock, Beginning Balance
Additional Paid in Capital, Common Stock
Paid-in capital
Security Exchange Name
Security Exchange Name
New Accounting Pronouncements, Policy [Policy Text Block]
New Pronouncements Adopted and Issued
Undistributed Earnings, Basic, Total
Undistributed Earnings, Basic
Add: Undistributed earnings reallocated to unvested shareholders
Entity Address, State or Province
Entity Address, State or Province
Net (gain) on marketable securities
Net (gain) on marketable securities
Marketable Security, Gain (Loss)
Net (gain) on marketable securities
Operating lease, ROU assets
Operating Lease, Right-of-Use Asset
Operating lease right-of-use assets
Amendment Flag
Amendment Flag
Loss Contingencies [Table]
Goodwill [Table Text Block]
Changes in Carrying Amount of Goodwill, by Reportable Segment
Other Nonoperating Income (Expense)
Other Nonoperating Income (Expense), Total
Other (Income), Net
Other (income), net
Impairment Loss Of Goodwill On Impairment Test
Impairment loss of goodwill on impairment test.
Impairment loss of goodwill on impairment test
Common stock dividends declared and paid per share.
Common Stock Dividends Declared And Paid Per Share
Dividends declared and paid per share
City Area Code
City Area Code
Reported Value Measurement [Member]
Carrying Value
This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. This item also includes realized gains or losses on sales of investments in debt and equity securities, and other than temporary losses related to investments in debt and equity securities during the period. This account does not include investment income from real or personal property, such as rental income.
Net Investment Income And Other Income
Investment (income), net
Realized (gains) losses on marketable equity securities
Marketable Security, Realized Gain (Loss)
Realized (gains) on marketable equity securities
Inventory Disclosure [Text Block]
Inventories
Initial Proposed Penalty
Initial proposed penalty.
Initial proposed penalty
Pension Plans
Retirement Benefits [Text Block]
Common Stock, Par or Stated Value Per Share
Common stock, par value
Performance Coatings Segment [Member]
Performance Coatings Segment.
PCG Segment
Goodwill Translation Adjustments
Goodwill translation adjustments.
Translation adjustments
Litigation Status [Axis]
Total current liabilities
Liabilities, Current
Maximum Range of Financial Penalty
Maximum range of financial penalty.
Financial penalty
Property, Plant and Equipment, Gross, Ending Balance
Property, Plant and Equipment, Gross, Beginning Balance
Property, Plant and Equipment, Gross, Total
Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization
Property, Plant and Equipment, at Cost
Payment for Contingent Consideration Liability, Investing Activities
Settlements of contingent consideration obligations
Income Taxes [Table]
Income Taxes.
Schedule of Product Warranty Liability [Table Text Block]
Changes in Accrued Warranty Balances
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Cash and Cash Equivalents at End of Period
Cash and Cash Equivalents at Beginning of Period
Segment Reporting [Text Block]
Segment Information
Trading Symbol
Trading Symbol
Geographical [Axis]
Geographical
Subsequent Event [Table]
Entity Emerging Growth Company
Entity Emerging Growth Company
Additional Paid-in Capital [Member]
Paid-In Capital
U.S. Foreign Tax Credits [Member]
U.S. foreign tax credits.
U.S. Foreign Tax Credits
Fair Value Measurement [Domain]
Fair Value Measurement
Other Liabilities, Noncurrent, Total
Other Liabilities, Noncurrent
Other long-term liabilities
Other long-term liabilities
Minority Interest Increase (Decrease), Other
Minority Interest Increase Decrease Other
Other noncontrolling interest activity
Europe [Member]
Europe
Portion at Fair Value Measurement [Member] [Default]
Portion at Fair Value Measurement [Member]
Fair Value Disclosure Item Amounts [Default]
Payments of Dividends, Total
Payments of Dividends
Cash dividends
Supplemental Disclosures of Noncash Investing Activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Cover
Cover [Abstract]
Defined Benefit Plan, Interest Cost
Interest cost
Segment Reporting, Other Segment Item, Amount
Less: Other Segment Items
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Investment (Income), Net
Investment (income), net
This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. This item also includes realized gains or losses on sales of investments in debt and equity securities, and other than temporary losses related to investments in debt and equity securities during the period. This account does not include investment income from real or personal property, such as rental income.
Net Investment Income Expense And Other Income Expense
MAP 2025
Margin Achievement Plan Twenty Twenty Five [Member]
Margin achievement plan twenty twenty five.
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance
Stockholders' Equity Attributable to Noncontrolling Interest, Total
Equity, Attributable to Noncontrolling Interest
Noncontrolling Interest
Revenue from Contract with Customer [Abstract]
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]
Revenue, Practical Expedient, Financing Component [true false]
Revenue, Practical Expedient, Financing Component [true false]
Investment Income, Net [Abstract]
MAP to Growth
Margin acceleration plan to growth plan.
Margin Acceleration Plan To Growth Plan [Member]
MAP to Growth
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive (loss)
Loss contingency, compensatory and punitive damages
Loss Contingency, Compensatory and Punitive Damages
Loss contingency, compensatory and punitive damages.
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Income taxes reclassified into earnings
Reclassification from AOCI, Current Period, Tax
Reclassification from AOCI, Current Period, Tax, Total
The net change during the reporting period in the aggregate amount of potential expenses related to insurance, legal settlement, environmental, warranty, product liability, and other current matters incurred but not yet paid.
Increase Decrease In Accrued Loss Reserves
(Decrease) in accrued losses
Fair Value Disclosures [Abstract]
Cash and Cash Equivalents, at Carrying Value, Ending Balance
Cash and Cash Equivalents, at Carrying Value, Beginning Balance
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalent
Cash and cash equivalents
Share Repurchase Program, Remaining Authorized, Amount
Stock repurchase program, remaining authorized repurchase, value
Stock Repurchase Programs [Table]
Stock Repurchase Programs [Table]
Stock Repurchase Programs [Table]
Noncontrolling Interest [Member]
Noncontrolling Interests
Payments for (Proceeds from) Businesses and Interest in Affiliates, Total
Payments for (Proceeds from) Businesses and Interest in Affiliates
Acquisition of businesses, net of cash acquired
Accumulated Other Comprehensive Income (Loss) [Table]
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Cash (Used for) Financing Activities
Accounting Changes and Error Corrections [Abstract]
Pension non-service (credits)/costs
Pension Non-Service Credits Costs
Pension non-service (credits)/costs.
Pension non-service (credits)
Payables and Accruals [Abstract]
Volteco S.p.A. [Member]
Volteco S.p.A.
Volteco
Net Income (Loss) Available to Common Stockholders, Basic
Net income available to common shareholders - basic
Entity Filer Category
Entity Filer Category
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description
Other Foreign
Other Foreign Country [Member]
Other Foreign Country [Member]
Facility Closing [Member]
Facility Closure and Other Related Costs
Facility Closure and Other Related Costs
Decrease in receivables
Increase (Decrease) in Accounts Receivable
Asia Pacific [Member]
Asia Pacific
Property, Plant and Equipment, Net, Ending Balance
Property, Plant and Equipment, Net, Beginning Balance
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Property, plant and equipment, net
Stock Compensation Expense And Other Deferred Compensation, Shares Granted Less Shares Returned For Taxes
Stock compensation expense and other deferred compensation, shares granted less shares returned for taxes.
Stock compensation expense and other deferred compensation, shares granted less shares returned for taxes (in shares)
Revenue from Contract with Customer, Excluding Assessed Tax, Total
Revenue from Contract with Customer, Excluding Assessed Tax
Net Sales
Shares, Outstanding
Ending Balance (in shares)
Beginning Balance (in shares)
Inventory Disclosure [Abstract]
Other Postretirement Benefits Plan [Member]
Postretirement Benefits
Segment Reporting [Abstract]
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Statement of Financial Position [Abstract]
Local Phone Number
Local Phone Number