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Disclosure - Marketable Securities - Net Carrying Values of Debt Securities by Contractual Maturity (Detail) link:presentationLink link:calculationLink link:definitionLink 996025 - 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 996035 - Disclosure - Fair Value Measurements - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996045 - Disclosure - Fair Value Measurements - Fair Value and Carrying Value of Financial Instruments and Long-Term Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 996055 - Disclosure - Derivatives and Hedging - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 996065 - Disclosure - Derivatives and Hedging - Schedule of Derivatives Instruments for Gains or Losses Initially Recognized in AOCI in Consolidated Balance Sheet (Detail) link:presentationLink link:calculationLink link:definitionLink 996075 - Disclosure - Derivatives and Hedging - Schedule of Fair Values of Qualifying and Non-Qualifying Instruments Used in Hedging Transactions (Detail) link:presentationLink link:calculationLink link:definitionLink 996085 - Disclosure - Acquisitions and Divestitures - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 996095 - Disclosure - Acquisitions and Divestitures - Schedule of Asset Acquired and Liabilities Assumed on Acquisition (Details) link:presentationLink link:calculationLink link:definitionLink 996105 - Disclosure - Acquisitions and Divestitures - Schedule of Asset Acquired and Liabilities Assumed on Acquisition (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 996115 - Disclosure - Borrowings - Description of Long Term Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 996125 - Disclosure - Borrowings - Description of Long Term Debt (Parenthetical) (Detail) link:presentationLink link:calculationLink link:definitionLink 996135 - 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Disclosure - Summary of Share-Based Performance-Earned Restricted Stock and Performance Stock Units Activity (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 996285 - Disclosure - Share-Based Activity under 2003 Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 996295 - Disclosure - Awards and Restricted Stock Units Issued under 2007 Plan and 2014 Omnibus Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 996305 - Disclosure - Summary of Activity for Nonvested Restricted Shares (Detail) link:presentationLink link:calculationLink link:definitionLink 996315 - Disclosure - Summary of Activity for Vested Restricted Shares (Details) link:presentationLink link:calculationLink link:definitionLink 996325 - Disclosure - Accumulated Other Comprehensive Income (loss) (Detail) link:presentationLink link:calculationLink link:definitionLink 996335 - Disclosure - Earnings Per Share - Reconciliation of Numerator and Denominator of Basic and Diluted Earnings Per Share (Detail) link:presentationLink link:calculationLink link:definitionLink 996345 - 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Disclosure - Pension Plans - Changes Recognized in Other Comprehensive Income, Pension (Detail) link:presentationLink link:calculationLink link:definitionLink 996495 - Disclosure - Pension Plans - Weighted-Average Assumptions used to Determine Benefit Obligations and Net Periodic Pension Cost (Detail) link:presentationLink link:calculationLink link:definitionLink 996505 - Disclosure - Pension Plans - Weighted-Average Actual Target Allocation of Plan Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996515 - Disclosure - Pension Plans - Pension Plan Assets Categorized Using Fair Value Hierarchy (Detail) link:presentationLink link:calculationLink link:definitionLink 996525 - Disclosure - Pension Plans - Activity that Occurred for Level Three Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 996535 - Disclosure - Postretirement Benefits - Components of Net Postretirement Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 996545 - 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Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Net Deferred Income Tax Assets Deferred Tax Assets, Net of Valuation Allowance Two Thousand Twenty Six Restructuring Action [Member] Two Thousand Twenty Six Restructuring Action. 2026 Restructuring Action Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Contingencies and Accrued Losses Commitments and Contingencies Disclosure [Text Block] Cash Flow Cash Flow Hedging [Member] Common stock, authorized Common Stock, Shares Authorized Finite-Lived Intangible Asset, Expected Amortization, Year Four Future amortization expense of intangible asset in 2030 Supplier Finance Program, Obligation, Settlement Confirmed invoices paid during the year Large Cap Equity Securities Large Cap Equity Securities [Member] Large Cap Equity Securities [Member] Investment, Policy [Policy Text Block] Investment (Income), Net Schedule Of Weighted Average Assumptions For Fair Values Of Stock Options [Table] Schedule Of Weighted Average Assumptions For Fair Values Of Stock Options [Table] Schedule of Weighted Average Assumptions for Fair Values of Stock Options [Table] Product and Service Product and Service [Axis] Fair Value by Liability Class Fair Value by Liability Class [Domain] Restructuring and related cost incurred to date Cumulative Costs to Date Restructuring and Related Cost, Cost Incurred to Date Document Fiscal Period Focus Document Fiscal Period Focus Estimated benefits payable in the years thereafter Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Net Periodic Pension Cost, Expected return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets Other Long-Term Liabilities Other Noncurrent Liabilities [Member] Debt instrument, interest rate, stated percentage Debt, interest rate Debt Instrument, Interest Rate, Stated Percentage Accounting Standards Update 2023-09 [Member] ASU 2023-09 Revenue from Contract with Customer [Abstract] Method used to calculate basic earnings per share Method Used To Calculate Basic Earnings Per Share Method used to calculate basic earnings per share. Entity Shell Company Entity Shell Company Other accrued liabilities Other Accrued Liabilities, Current Foreign Net Operating Loss Carryforwards [Member] Foreign Net Operating Loss Carryforwards [Member] Foreign Net Operating Loss Carryforwards SEC Schedule, 12-09, Valuation Allowances and Reserves Type SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Acquisition-related costs Oil and Gas, Full Cost Method, Capitalized Cost Excluded from Amortization, Acquisition Cost, Period Cost 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 equivalents Cash and Cash Equivalent Acquisitions (Disposals) of Businesses and Reclassifications Valuation Allowances And Reserves Reserves Of Businesses Acquired And Disposed Valuation Allowances And Reserves Reserves Of Businesses Acquired And Disposed Net actuarial loss Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Net actuarial gain Net actuarial gain Schedule Of Accrued Liabilities [Line Items] Schedule Of Accrued Liabilities [Line Items] Schedule of Accrued Liabilities [Line Items] Benefit obligation at beginning of year Benefit Obligation at End of Year Defined Benefit Plan, Benefit Obligation Number of Reporting Units Number of reporting units Net Amount Recognized Liability, Other Retirement Benefits Liquidity available Available Liquidity Available Liquidity Estimated benefits payable in the second year Defined Benefit Plan, Expected Future Benefit Payment, Year Two Cybersecurity Risk Management, Strategy, and Governance [Abstract] Common Stock, Shares, Issued, Total Common stock, issued Common Stock, Shares, Issued Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] Cybersecurity Risk Board of Directors Oversight [Text Block] Non-U.S. Plans Non-U.S. Plans Foreign Plan [Member] Number of foreign currency forward contract held Derivative Number Of Foreign Currency Forward Contract Hold Derivative number of foreign currency forward contract hold. Statement [Table] Statement [Table] Debt Securities, Trading, Realized Gain (Loss), Total Debt Securities, Trading, Realized Gain (Loss) Realized losses on available-for-sale debt securities Non-cash charges and other adjustments Restructuring Reserve Settled Without Cash And Other Adjustments Restructuring reserve settled without cash and other adjustments. Leased assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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) Latin America Latin America [Member] Weighted-average grant-date fair value per SAR Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Amounts Recognized in Consolidated Balance Sheet Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Year-End Benefit Obligations, Current healthcare cost trend rate Defined Benefit Plan Benefit Obligation Current Health Care Cost Trend Rate Defined Benefit Plan, Benefit Obligation, Current Health Care Cost Trend Rate Allowance For Credit Loss Current Allowance For Credit Loss Current [Member] Allowance for credit loss, current. Statement [Line Items] Statement [Line Items] Share repurchases under repurchase program Shares repurchased, value Treasury Stock, Value, Acquired, Cost Method Business Acquisition, Acquiree Business Combination [Domain] Derivative Instruments in Hedges, Liabilities, at Fair Value, Total Fair value of derivatives liabilities Derivative Instruments in Hedges, Liabilities, at Fair Value Entity Filer Category Entity Filer Category Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Accrued Environmental Reserves, Current Accrued Environmental Reserves Current [Member] Accrued environmental reserves current. Trade names - indefinite lives Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived Indefinite-lived trade names Total Liabilities and Stockholders' Equity Liabilities and Equity Debt Instrument [Line Items] Debt Instrument [Line Items] Payables and Accruals [Abstract] Long-term Debt, Current Maturities, Total Current portion of long-term debt Long-Term Debt, Current Maturities Increase (Decrease) in Employee Related Liabilities, Total Increase (Decrease) in Employee Related Liabilities Increase (decrease) in accrued compensation and benefits Payments to Acquire Marketable Securities, Total Purchase of marketable securities Payments to Acquire Marketable Securities Long-Term Debt, Maturity, Year Three Maturities of long-term debt in 2029 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable at May 31, 2025 Product liability risks and other loss. Product Liability Risks and Other Loss [Member] Accrued product liability and other loss reserves Restructuring Type Restructuring Type [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment, Total Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment Curtailment/settlement losses Curtailment/settlement (gains) losses Debt Instrument, Frequency of Periodic Payment Interest frequency of payment term Fair Value and Carrying Value of Financial Instruments and Long-Term Debt Fair Value, by Balance Sheet Grouping [Table Text Block] Hedging Relationship Hedging Relationship [Axis] Percentage of the stocks acquired Business Combination, Voting Equity Interest Acquired, Percentage Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] Trade Names [Member] Trade Names Trade Name Summary of Charges Recorded in Connection with Restructuring by Reportable Segment Restructuring and Related Costs [Table Text Block] Lessee, operating lease, option to terminate description Lessee, Operating Lease, Option to Terminate Additions to long-term and short-term debt Proceeds from Issuance of Debt Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Reporting Region Reporting Region [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. Standard and Extended Product Warranty Accrual, Decrease for Payments, Total Deductions Standard and Extended Product Warranty Accrual, Decrease for Payments Deferred Tax Assets, Valuation Allowance, Total Less: valuation allowances Total Valuation Allowances Deferred Tax Assets, Valuation Allowance Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Federal statutory tax rate, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount, Total Nondeductible business expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Cybersecurity Risk Management Third Party Engaged [Flag] Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Debt instrument maturity year Debt, maturity year Debt Instrument Maturity Year Debt instrument maturity year. Goodwill, Total Goodwill Goodwill beginning balance Goodwill ending balance Goodwill Other Other Noncash Income (Expense) Other Noncash Income (Expense), Total Effective Income Tax Rate Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate, Percent Treasury stock, at cost Treasury Stock, Common, Value Income Tax Jurisdiction [Axis] Activity Related to Unrecognized Tax Benefits Summary of Income Tax Contingencies [Table Text Block] Debt Securities, Available-for-Sale, Noncurrent Available-for-sale debt securities long-term asset Geographical Geographical [Domain] Interest deduction carryforwards. Interest Deduction Carryforwards [Member] Interest Deduction Carryforwards U.S. Interest Deduction Carryforwards Investments measured at net asset value. Investments Measured at Net Asset Value [Member] Investments Measured at NAV Pension and other postretirement benefits Deferred tax liabilities pension and other postretirement benefits. Deferred Tax Liabilities Pension and Other Postretirement Benefits Plans with assets in excess of accumulated benefit obligations Defined Benefit Plan Plans With Plan Assets In Excess Of Accumulated Benefit Obligations Aggregate Benefit Obligation Defined Benefit Plan, Plans with Plan Assets in Excess of Accumulated Benefit Obligations, Aggregate Benefit Obligation Pooled Funds Fixed Income Securities Pooled Funds Fixed Income Securities [Member] Pooled Funds Fixed Income Securities [Member] After ten years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Valuation and Qualifying Accounts and Reserves (Schedule II) SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Current period comprehensive income (loss) Other Comprehensive Income (Loss), before Tax Other Comprehensive (Loss) Income, Before Tax Current period comprehensive (loss) income Other Assets Other Assets Noncurrent Excluding Property Plant And Equipment [Abstract] Other assets noncurrent excluding property plant and equipment. Schedule of Inventory, Current [Table Text Block] Major Classes of Inventories, Net of Reserves Reverse: Allocation of earnings and dividends to participating securities Reverse Participating Securities Distributed And Undistributed Earnings Loss Basic Reverse participating securities distributed and undistributed earnings loss basic. Derivative Instruments And Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Paid-in capital Additional Paid in Capital, Common Stock Percentage of prejudgment interest on damages awarded Percentage of Prejudgment Interest on Loss Contingency Damages Awarded Percentage of prejudgment interest on loss contingency damages awarded. 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Stock compensation expense and other deferred compensation, shares granted less shares returned for taxes Prior service cost Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax Net Change in Cash and Cash Equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Subsequent Event Type [Domain] Shares excluded from the calculation of diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Plan amendments Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Schedule Of Pension And Other Postretirement Benefits Expected Benefit Payments [Table] Schedule Of Pension And Other Postretirement Benefits Expected Benefit Payments [Table] Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Table] GBP Denominated Debt GBP Denominated Debt [Member] GBP denominated debt. Common stock, par value Common Stock, Par or Stated Value Per Share Unsecured Term Loan due August 1, 2025 Unsecured Term Loan Due August One Twenty Twenty Five [Member] Unsecured term loan due august one twenty twenty five. Accounting Standards Update [Domain] Base Rate Base Rate [Member] Goodwill [Line Items] Goodwill [Line Items] AOCI, Derivative Qualifying as Hedge, Excluded Component, after Tax Cash flow hedges accounting reserve balance within AOCI Weighted-average remaining contractual life of options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Shares expected to vest, weighted-average exercise price Share Based Compensation Arrangement By Share Based Payment Award Options Expected To Vest Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Expected To Vest Weighted Average Exercise Price Available-for-Sale Debt Securities, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Domain] Other Borrowings Other Borrowings [Member] Other Borrowings [Member] Currency exchange rate changes Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Other Foreign Tax Jurisdiction, Other [Member] Available-for-Sale Debt Securities, Fair Value (Net Carrying Amount) Available-for-sale debt securities, fair value Total available-for-sale securities Available-for-sale debt securities Corporate Segment and Other Operating Segment [Member] Corporate/Other Unsecured Senior Notes Four Point Eight Four Percent [Member] Unsecured Senior Notes 4.84%. Unsecured 4.84% notes Total RPM International Inc. Equity Parent [Member] Percentage of change in Net Contract Assets/(Liabilities) Percentage Of Contract With Customer Asset Liability Percentage of contract with customer asset liability. Document Financial Statement Error Correction [Flag] Pretax gain/(loss) reclassified from AOCI into income, net investment Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), Reclassification, before Tax Options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Shares released from restriction Borrowings Debt Disclosure [Abstract] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Total Unrealized (loss) on derivatives, net of tax Defined Benefit Plans And Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Net Loss (Gain) on Marketable Securities Marketable Security, Gain (Loss) [Abstract] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Current total expected costs Restructuring and Related Cost, Expected Cost, Total Total Expected Costs Restructuring and Related Cost, Expected Cost Performance Earned Restricted Stock Awards and Performance Stock Units Performance Earned Restricted Stock Awards And Performance Stock Units [Member] Performance - earned restricted stock awards and performance stock units. Interest Income Interest Income [Member] Margin Margin [Member] Margin. Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Settlements Unsecured $250M Term Loan due August 1, 2025 Unsecured Two Hundred and Fifty Million Term Loan Due August One Twenty Twenty Five [Member] Unsecured two hundred and fifty million term loan due august one twenty twenty five. 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Significant Of Accounting Policies [Table] Significant Of Accounting Policies [Table] Significant Of Accounting Policies [Table] Initial Aggregate Principal Initial Aggregate Principal [Member] Initial aggregate principal. Other long-term assets Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent Schedule Of Goodwill And Intangible Assets [Table] Schedule Of Goodwill And Intangible Assets [Table] Schedule of goodwill and intangible assets. California CALIFORNIA Repurchase of common stock price per shares Repurchase Of Common Stock Price Per Share Range Repurchase of common stock, price per share range Advertising Costs Advertising Cost [Policy Text Block] Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Entity Address, State or Province Entity Address, State or Province Beginning balance Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Increase (Decrease) in Accounts and Other Receivables Change in trade accounts receivable, less allowances Credit facility, available liquidity Line of Credit Facility, Remaining Borrowing Capacity Increase (Decrease) in Other Accrued Liabilities Increase in other accrued liabilities Health Care Cost Trend Rates Assumptions [Line Items] Health Care Cost Trend Rates Assumptions [Line Items] Health Care Cost Trend Rates Assumptions [Line Items] Current period comprehensive income (loss) Comprehensive Income Attributable to RPM International Inc. Stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Available-for-Sale Debt Securities, Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Research and Development Research and Development Expense, Policy [Policy Text Block] Shares available for future issuance Common Stock, Capital Shares Reserved for Future Issuance Insurance Contracts Insurance Contracts [Member] Insurance Contracts [Member] Weighted-Average Assumptions used to Determine Benefit Obligations and Net Periodic and Postretirement Costs Defined Benefit Plan, Assumptions [Table Text Block] Geographical Geographical [Axis] Performance Stock Units Performance Stock Units [Member] Performance stock units. Contract liabilities, revenue recognized Contract with Customer, Liability, Revenue Recognized Derivatives designated as hedges, liabilities recognized Fair Value Hedge Liabilities Performance Earned Restricted Stock Awards Performance Earned Restricted Stock Awards [Member] Performance earned restricted stock awards. Revenue, Practical Expedient, Financing Component [true false] Revenue, Practical Expedient, Financing Component [true false] Net issuable common share equivalents Weighted Average Number of Shares, Contingently Issuable Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Stockholders' Equity Attributable to Noncontrolling Interest, Total Noncontrolling Interest Equity, Attributable to Noncontrolling Interest Internal Credit Assessment Internal Credit Assessment [Axis] State and local income taxes, net Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Changes in plan assets and benefit obligations recognized in other comprehensive loss (income): Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Add: Income effect of contingently issuable shares Effect Of Dilutive Securities On Net Income Loss Effect of dilutive securities on net income (loss). Increase (Decrease) In Deferred Tax Assets, Foreign Tax Credit Carryforwards Increase (decrease) in deferred tax assets, foreign tax credit carryforwards. Increase to deferred income tax assets for U.S. foreign tax credit carryforwards Deferred tax adjustment to U.S. foreign tax credit carryforwards Deferred tax adjustment to U.S. foreign tax credit carryforwards Payments for (Proceeds from) Businesses and Interest in Affiliates, Total Acquisition of businesses, net of cash acquired Payments for (Proceeds from) Businesses and Interest in Affiliates Significant Components of Deferred Income Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss), net of tax: Deferred Income Tax Assets, Net, Total Deferred income taxes Deferred Income Tax Assets, Net Postretirement Benefits Other Postretirement Benefits Plan [Member] Proceeds from Sale and Maturity of Marketable Securities, Total Proceeds from sales of marketable securities Proceeds from Sale and Maturity of Marketable Securities Subsequent Event Subsequent Event [Member] Additional shares of common stock authorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Other Assets, Noncurrent, Total Other Other Assets, Noncurrent Debt Securities, Available-for-Sale, Current Available-for-sale debt securities current Inventories Deferred Tax Assets, Inventory Antidilutive Securities Antidilutive Securities [Axis] 3.450% Notes due 2022 Three Point Four Five Zero Percent Notes Due Two Thousand Twenty Two [Member] Three Point Four Five Zero Percent Notes Due Two Thousand Twenty Two [Member] Vesting percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Total fair value of shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Fair value of restricted shares vested Foreign Income Tax Paid, Foreign, after Refund Received Income Tax Paid, Foreign, after Refund Received, Total Total stock-based compensation cost, net of tax Share-Based Payment Arrangement, Expense, after Tax Income Tax [Line Items] Income Tax [Line Items] Income Tax [Line Items] State and Local Jurisdiction [Member] Stock-Based Compensation Expense Included in Consolidated Statements of Income Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] The industrial coatings group reporting unit. The Industrial Coatings Group Reporting Unit [Member] The Industrial Coatings Group Reporting Unit Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement, Total Settlements Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement Customer Customer [Domain] Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Cash Cash [Member] Goodwill impairment Impairments Goodwill Impairment Goodwill impairments Postretirement Benefits Postemployment Benefits Disclosure [Text Block] Unamortized expense recognized weighted average period Unamortized Expense Expected to Be Recognized Weighted Average Period Unamortized Expense Expected to Be Recognized Weighted Average Period Business Combination, Consideration Transferred, Total Acquisition aggregate consideration Business Combination, Consideration Transferred Lessee, operating lease, option to extend description Lessee, Operating Lease, Option to Extend Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Preferred stock, par value $0.01; authorized 50,000 shares; none issued Preferred Stock, Value, Issued Loss Contingency Accrual, Payments Accrual payments Goodwill Acquisitions and Purchase Price Allocation Adjustments Goodwill acquisitions and purchase price allocation adjustments. Acquisitions and purchase price allocation adjustments Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total Other intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Selling, General and Administrative Expense, Total Selling, general and administrative expense Selling, General and Administrative Expenses Less: Selling, General and Administrative Expenses Debt, due date Debt Instrument, Maturity Date Maturity date Health Care Cost Trend Rates Assumptions [Table] Health Care Cost Trend Rates Assumptions [Table] Health Care Cost Trend Rates Assumptions [Table] Additional Aggregate Principal Additional Aggregate Principal [Member] Additional aggregate principal. Minimum Minimum Minimum [Member] Two Thousand And Twenty Four Omnibus Incentive Plan [member] Two thousand and twenty four omnibus incentive plan . 2024 Omnibus Incentive Plan Weighted-average grant date fair value Granted Shares granted Vested Restricted Stock Vested Restricted Stock Member Vested Restricted Stock Member Financial Instrument Financial Instrument [Axis] Current Assets Assets, Current [Abstract] Effective Income Tax Rate Reconciliation, Withholding Tax, Percent Effective income tax rate reconciliation, withholding tax, percent. Withholding tax, Percent Real Estate Real Estate [Member] Other Comprehensive Income (Loss), Tax, Total Other Comprehensive Income (Loss), Tax Income Tax (Benefit) Expense Related to Components of Other Comprehensive Income Income taxes associated with current period comprehensive income (loss) Effective Income Tax Rate Reconciliation, GILTI, Amount Impact of GILTI provisions Net Periodic Postretirement Cost, Current healthcare cost trend rate Health Care Cost Trend Rate Used To Determine Net Period Benefit Cost Health Care Cost Trend Rate used to Determine Net Period Benefit Cost Amortization of Intangible Assets, Total Intangible asset amortization expense Amortization of Intangible Assets Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Segment Reporting [Abstract] Total Assets Acquired Business Combination, Recognized Asset Acquired, Asset PCG Segment Performance Coatings Group Segment [Member] Performance Coatings Group Segment. 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Amounts recognized as a component of net periodic benefit cost: Other Comprehensive Income Defined Benefit Plans Amortization Recognized As Net Periodic Pension And Postretirement Cost Benefit [Abstract] Other Comprehensive Income, Defined Benefit Plan's Adjustment, Amortization recognized as net periodic pension and postretirement (cost) benefit [Abstract] Beginning Balance (in shares) Ending Balance (in shares) Shares, Outstanding Summary of Available-for-Sale Debt Securities in Unrealized Loss Position and Included in Accumulated Other Comprehensive (Loss), Aggregated by Length of Time Investments Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Investment Grade Internal Investment Grade [Member] Plan settlements/curtailments Defined Benefit Plan Settlements And Curtailments Plan Assets Defined benefit plan settlements and curtailments plan assets. Operating Loss Carryforwards, Total Net operating loss carryforwards Operating Loss Carryforwards 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 $39,179 and $42,844, respectively) Lessee, operating lease, renewal term Lessee, Operating Lease, Renewal Term Income Tax Paid, by Individual Jurisdiction [Abstract] Reporting Unit [Axis] Contingencies and Accrued Losses (Note P) Commitments and Contingencies Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Total Accrued compensation and benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits SEC Schedule, 12-09, Valuation Allowances and Reserves SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Service cost Service cost Defined Benefit Plan, Service Cost Performance goals attainment period for PSUs awards Share Based Compensation Arrangement By Share Based Payment Awards Performance Period Share Based Compensation Arrangement by Share Based Payment Awards Performance Period Weighted-average grant date fair value Beginning balance Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Euro-Rate Eurodollar [Member] Bad debt provision Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Forward Contracts Held to Purchase Foreign Currencies Forward Contracts Held To Purchase Foreign Currencies [Member] Forward contracts held to purchase foreign currencies. Operating Lease, Liability, Total Total present value of lease liabilities Operating Lease, Liability Auditor Firm ID Long-term debt including finance lease Long-Term Debt and Lease Obligation, Including Current Maturities Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Forecast [Member] Changes in Carrying Amount of Goodwill, by Reportable Segment Schedule of Goodwill [Table Text Block] Revenue performance obligation description of payment terms Revenue, Performance Obligation, Description of Payment Terms Fair value adjustments to contingent earnout obligations. Fair Value Adjustments To Contingent Earnout Obligations Fair value adjustments to contingent earnout obligations Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Unsecured 3.75% notes due March 15, 2027 Unsecured Senior Notes Three Point Seven Five Percent Due March Fifteen Twenty Twenty Seven [Member] Unsecured senior notes three point seven five percent due march fifteen twenty twenty seven. 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Schedule of Income Taxes Paid Net Net Income Net Income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Consolidated Income Before Income Taxes Schedule Of Intangible Assets By Major Class [Table] Schedule Of Intangible Assets By Major Class [Table] Schedule of Intangible Assets by Major Class [Table] Long-term Debt, Type Long-Term Debt, Type [Domain] Cybersecurity Risk Management Positions or Committees Responsible [Text Block] Loss Contingencies [Table] Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items] Schedule Of Pension And Other Postretirement Benefits Expected Benefit Payments [Line Items] Schedule of Pension and Other Postretirement Benefits Expected Benefit Payments [Line Items] Weighted Average Number of Shares Outstanding, Basic, Total Basic weighted average common shares Basic Weighted Average Number of Shares Outstanding, Basic Shipping Costs Shipping Costs Policy [Text Block] Disclosure of accounting policy for shipping costs. Scenario Scenario [Axis] Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] Schedule Of Net Periodic Benefit Costs And Assumptions For Defined Benefit Postretirement Plans [Line Items] Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Line Items] Aggregate intrinsic value of options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Available-for-Sale Debt Securities, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] General Contracting And Roofing Services General Contracting And Roofing Services [Member] General contracting and roofing services. Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount, Total Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Reconciliation of Income Tax Expense (Benefit) Weighted-Average Grant-Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Stock Options And Stock Appreciation Rights Stock Options And Stock Appreciation Rights [Member] Stock options and stock appreciation rights. Unrealized losses with a loss position for more than 12 months, gross unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Segments Segments [Axis] 2020 Contingent Performance Stock Units Two Thousand And Twenty Contingent Performance Stock Units [Member] Two thousand and twenty contingent performance stock units. Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total Options granted Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Unsecured 5.25% notes due June 1, 2045 Unsecured Senior Notes Five Point Two Five Percent Due June First Twenty Forty Five [Member] Unsecured senior notes five point two five percent due june first twenty forty five. Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] Deferred income tax assets related to: Deferred Tax Assets, Net [Abstract] Variable Interest Rate Variable Interest Rate [Member] Variable interest rate. 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Share Repurchases Under Repurchase Program And Related Excise Tax Share repurchases under repurchase program and related excise tax Statement of Stockholders' Equity [Abstract] Supplier financing program, termination notice. Supplier Financing Program, Termination Notice Supplier financing program, termination notice Monthly unused commitment fee Debt Instrument Unused Borrowing Capacity Fee Percentage Debt instrument unused borrowing capacity fee percentage. Marketable Securities, Gain (Loss), Excluding Other-than-temporary Impairment Loss, Total Marketable Security, Gain (Loss) Net loss (gain) on marketable securities Net (gain) on marketable securities Net (gain) on marketable securities Shares outstanding Beginning Balance Ending Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Number Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options Outstanding, Number Type of Restructuring Type of Restructuring [Domain] Schedule Of Net Periodic Benefit Costs And Assumptions For Defined Benefit Postretirement Plans [Table] Schedule Of Net Periodic Benefit Costs And Assumptions For Defined Benefit Postretirement Plans [Table] Schedule of Net Periodic Benefit Costs and Assumptions for Defined Benefit Postretirement Plans [Table] Other Liabilities Disclosure [Abstract] Use of Estimates Use of Estimates, Policy [Policy Text Block] Trademarks and Trade Names Trademarks and Trade Name [Member] Trademarks and trade name. Internal Credit Assessment Internal Credit Assessment [Domain] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment, Total Property, plant and equipment Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment Fixed income securities Fixed Income Securities [Member] Treasury Stock, Common [Member] Treasury Stock Reductions of long-term and short-term debt Reductions Of Long Term And Short Term Debt The cash outflow associated with the aggregate amount paid by the entity to reduce long-term or short-term debt. Long-Term Debt, Maturity, Year Five Maturities of long-term debt in 2031 Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Foreign Currency Transaction Gain (Loss), before Tax, Total Net transactional foreign exchange losses gains Gain (Loss), Foreign Currency Transaction, before Tax Defined Benefit Plan, Funding Status [Extensible Enumeration] Fair Value Measurements Fair Value Disclosures [Text Block] Deferred tax assets credit net operating interest and capital loss carryforwards. Deferred Tax Assets Credit Net Operating Interest And Capital Loss Carryforwards Credit, net operating, interest and capital loss carryforwards Two point nine five zero note due in two thousand thirty two. Two Point Nine Five Zero Note Due in Two Thousand Thirty Two [Member] 2.950% Notes due 2032 Capital loss carryforwards expiration year Capital Loss Carryforwards Expiration Year End Capital loss carryforwards expiration year end. U.S. Plans Domestic UNITED STATES Pension And Other Postretirement Benefit Liability Adjustments, Net of Tax Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Noncontrolling Interests Noncontrolling Interest [Member] Deferred Tax Liabilities, Unrealized Gains on Trading Securities Net unrealized gain on securities Net unrealized gain on securities Number of Shares Under Option Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Accrued Loss Reserves Schedule of Accrued Liabilities [Table Text Block] Debt Instrument, Name Debt Instrument, Name [Domain] Long-Term Debt, Maturity, Year Four Maturities of long-term debt in 2030 Translation adjustments Accounts Receivable Allowance For Credit Loss Translation Adjustments Accounts receivable allowance for credit loss 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 Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Activity Related to Unrecognized Tax Benefits Derivative Instruments and Hedging Activities Disclosure [Abstract] Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Schedule Of Activity Related To Restricted Shares And Restricted Share [Table] Schedule Of Activity Related To Restricted Shares And Restricted Share [Table] Schedule Of Activity Related To Restricted Shares And Restricted Share [Table] Loss Contingency, Damages Awarded, Value New jury awarded damages value to distributor Segment Reporting, Other Segment Item, Amount Less: Other Segment Items Plan Name Plan Name [Domain] Interest Expense, Total Interest Expense Interest Expense, Operating and Nonoperating 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] Allowance for Credit Losses Receivable [Policy Text Block] Mutual funds Mutual Fund [Member] Entity Entity [Domain] After ten years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Credit Facility Credit Facility [Axis] Cost of Goods and Services Sold, Total Cost of Sales Cost of Product and Service Sold Less: Cost of Sales Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block] Schedule Of Activity Related To Restricted Shares And Restricted Share [Line Items] Schedule Of Activity Related To Restricted Shares And Restricted Share [Line Items] Schedule Of Activity Related To Restricted Shares And Restricted Share [Line Items] Consolidation, Noncontrolling Interests and Basis of Presentation Basis Of Presentation And Principles Of Consolidation Policy [Text Block] Basis of Presentation and Principles of Consolidation [Policy Text Block] Impairments for definite-lived long-lived assets Impairment, Long-Lived Asset, Held-for-Use, Total Property, plant and equipment impairment Impairment charge of held and used long-lived assets State and local Current State and Local Tax Expense (Benefit) Cybersecurity Risk Management Expertise of Management Responsible [Text Block] Contribution to retirement plans in the next fiscal year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Other Assets (Long-Term) Other Noncurrent Assets [Member] Restructuring Plan Restructuring Plan [Axis] Marketable Security, Realized Gain (Loss) Realized (gains) on marketable equity securities Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other adjustments Foreign Foreign Tax Jurisdiction [Member] Pension Benefits Pension Plan [Member] Property, Plant & Equipment Property, Plant and Equipment, Policy [Policy Text Block] Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Net (gain) loss arising during the year Beginning Balance Ending Balance Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price Pretax gain/(loss) recognized in AOCI Derivative Instruments Designated As Hedges Pretax Gain Loss Recognized In Accumulated Other Comprehensive Income Derivative instruments designated as hedges pretax gain (loss) recognized in accumulated other comprehensive income. Foreign Currency Exchange (Cash Flow) Foreign Exchange Contract [Member] Entity Address, City or Town Entity Address, City or Town Current liabilities Other Postretirement Defined Benefit Plan Current Liabilities For classified balance sheets this represents the current liability recognized in the balance sheet that is associated with other postretirement defined benefit plans (excluding pension plans). (The current liability will be separate, but it will normally be small, if there is even any at all.) For unclassified balance sheets, this represents the entire liability recognized in the balance sheet that is associated with the plans. Undistributed Earnings, Basic, Total Add: Undistributed earnings reallocated to unvested shareholders Undistributed Earnings, Basic Region Reporting Information By Region Region Reporting Information By Region [Axis] 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. Number of reportable segments Number of Reportable Segments Security Exchange Name Security Exchange Name Credit Facility Credit Facility [Domain] Europe Europe [Member] Indefinite-lived intangible assets, net other intangible assets Indefinite-lived Intangible Assets (Excluding Goodwill), Ending Balance Indefinite-lived Intangible Assets (Excluding Goodwill), Beginning Balance Indefinite-lived Intangible Assets (Excluding Goodwill), Total Indefinite-Lived Intangible Assets (Excluding Goodwill) Outstanding debt Long-Term Debt, Gross Paid down outstanding amount Home Depot [Member] Home Depot Home Depot [Member] Other adjustments, Percent Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total Total property, plant and equipment, at cost Property, Plant and Equipment, at Cost Property, Plant and Equipment, Gross Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Debt And Financial Instruments [Abstract] Debt and Financial Instruments [Abstract] Subsidiary’s appeal, including available contractual arguments. Subsidiary's Appeal, Including Available Contractual Arguments [Member] Subsidiary's Appeal, Including Available Contractual Arguments Income (Loss) Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income Before Income Taxes Concentration Risk Type Concentration Risk Type [Domain] Percentage of indirect economic interest held in SPE Percentage Of Economic Interest Owned Percentage of economic interest owned. Formulae Formulae [Member] Formulae [Member] Contract with Customer, Duration Contract with Customer, Duration [Domain] Two Thousand Twenty Four Performance Stock Units [member] Two thousand twenty four performance stock units . 2024 PSUs Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Non-U.S. Plans Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Axis] Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Statutory tax rate difference between Canada and United States, Percent Inventories Inventory, Net Total Inventory, Net of Reserves Property Plant And Equipment Estimated Useful Lives [Table] Property Plant And Equipment Estimated Useful Lives [Table] Property Plant and Equipment Estimated Useful Lives [Table] Interest Interest Paid, Excluding Capitalized Interest, Operating Activity Measurement Basis Measurement Basis [Axis] Statistical Measurement Statistical Measurement [Domain] 4.550% Notes due 2029 Unsecured 4.55% senior notes due March 1, 2029 Unsecured Senior Notes Four Point Five Five Percent Due March One Twenty Twenty Nine [Member] Unsecured senior notes four point five five percent due march one twenty twenty nine. Total current assets Assets, Current Stock-based compensation expense Share-Based Payment Arrangement, Expense Total stock-based compensation cost Schedule Of Weighted Average Assumptions [Line Items] Schedule Of Weighted Average Assumptions [Line Items] Schedule of weighted average assumptions. Document Period End Date Document Period End Date Other Income and Expenses [Abstract] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Supplemental Balance Sheet And Other Required Disclosures Table [Text Block] Supplemental balance sheet and other required disclosures. Summary of Supplemental Balance Sheet and Other Required Disclosures Unremitted foreign earnings Undistributed Earnings of Foreign Subsidiaries Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Exercisable at May 31, 2025 Impairment charge of indefinite lived intangible assets Impairment charge of indefinite lived intangible assets Impairment of indefinite-lived assets Benefit payments Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Plans with projected benefit obligations in excess of plan assets, plan asset Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Less: Allocation of earnings and dividends to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Weighted-average other intangible asset amortization life (in years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Statement of Financial Position [Abstract] Cash paid during the year for: Cash Paid During Period For [Abstract] Cash Paid During Period For [Abstract] Intangible Assets by Major Class [Line Items] Intangible Assets By Major Class [Line Items] Intangible Assets by Major Class [Line Items] Revenue Recognition Revenue [Policy Text Block] Earnings Before Interest Taxes Margin Earnings Before Interest Taxes Margin [Member] Earnings before interest taxes margin. Note Interest payment frequency, term Interest Payment Frequency Interest payment frequency. Defined Benefit Plan, Funding Status Defined Benefit Plan, Funding Status [Axis] United States Dollar Denominated Debt United States Dollar Denominated Debt [Member] United states dollar denominated debt. Lessee, operating lease, existence of option to terminate Lessee, Operating Lease, Existence of Option to Terminate [true false] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Vesting [Axis] Vesting Deferred Tax Liabilities, Net, Total Deferred Income Tax Assets (Liabilities), Net Deferred Tax Liabilities, Net Loss Contingency, Range of Possible Loss, Portion Not Accrued Maximum range of reasonably possible loss 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] Participant contributions Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Weighted-Average Actual and Target Allocation of Plan Assets Schedule Of Defined Benefit Target And Weighted Average Plan Assets Allocation Table [Text Block] Schedule of Defined Benefit Target and Weighted Average Plan Assets Allocation [Table Text Block] Total Current Current Income Tax Expense (Benefit) Plans with accumulated benefit obligations in excess of plan assets, plan asset Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets Changes Recognized in Other Comprehensive loss (Income) Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Cybersecurity Risk Management, Strategy, and Governance [Line Items] Sale Leaseback Transaction [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Derivatives Not Designated as Hedging Instruments Derivatives Not Designated as Hedges Not Designated as Hedging Instrument [Member] Lessee, Operating Lease, Discount Rate Operating lease, borrowing rate Divestiture of businesses Proceeds from divestiture of businesses, net of cash disposed Proceeds from Divestiture of Businesses, Net of Cash Divested Proceeds from Divestiture of Businesses, Net of Cash Divested, Total Percentage of controlled subsidiary's earnings Percentage Of Subsidiary Earnings Included In Consolidation Percentage of subsidiary earnings included in consolidation. Financial Instruments Financial Instruments [Domain] Sale leaseback agreement expiration date. Sale leaseback agreement expiration date Sale leaseback agreement expiration date Restructuring costs Restructuring and Related Cost, Incurred Cost Summary of Supplemental Cash Flow, Balance Sheet, and Other Required Disclosures Supplemental Cash Flow Balance Sheet And Other Required Disclosures Table [Text Block] Supplemental cash Flow, balance sheet, and other required disclosures. Gain on business interruption insurance recovery Gain on Business Interruption Insurance Recovery Deferred income and other long-term liabilities Deferred Tax Assets Deferred Income And Other Long Term Liabilities Deferred tax assets deferred income and other long-term liabilities. Loss contingency, estimate of possible loss Loss Contingency, Estimate of Possible Loss Statutory tax rate difference between Canada and United States Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Lessee, Operating Lease, Liability, to be Paid, Year Two 2028 Advertising cost Advertising Expense Restricted Stock Restricted Stock [Member] Provision for deferred income taxes Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries Variable Rate Variable Rate [Axis] Indefinite-lived Intangible Assets, Major Class Name Indefinite-Lived Intangible Assets, Major Class Name [Domain] Balance at Beginning of Period Balance at End of Period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Finite-Lived Intangible Assets, Gross, Total Amortized intangible assets, gross carrying amount Finite-Lived Intangible Assets, Gross Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Unrealized losses with a loss position for less than 12 months, gross unrealized losses Total shares for diluted earnings per share Diluted Weighted Average Number of Shares Outstanding, Diluted Entity File Number Entity File Number Shares expected to vest Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Number Contract With Customer Net Asset Liability Contract with customer net asset liability. Net Contract Assets Net Contract Assets Employee Incentive Plan 2007 Employee Incentive Plan Twenty Zero Seven [Member] Employee Incentive Plan Twenty Zero Seven [Member] U.S. Plans Domestic Plan [Member] ASU 2023-07 Accounting Standards Update 2023-07 [Member] 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. Cover [Abstract] Consumer Segment Consumer Segment [Member] Consumer segment. Supplier Finance Program [Line Items] Foreign Borrower R P M New Horizons Netherlands B V [Member] RPM New Horizons Netherlands, B.V Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Forfeited Shares forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Investments Investments [Domain] Reclassification from AOCI, Current Period, Tax, Total Reclassification adjustments for gains (losses) included in net income, taxes Reclassification from AOCI, Current Period, Tax Income taxes reclassified into earnings Derivative Instruments And Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Sales Revenue Benchmark [Member] Scenario [Domain] Noncurrent liabilities Liability, Defined Benefit Pension Plan, Noncurrent Shares of common stock authorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Number of operating segments Number of Operating Segments Segment Information Segment Reporting Disclosure [Text Block] Average compensation with accrued benefits vesting period Defined Benefit Plan Vesting Period Defined Benefit Plan Vesting Period Relationship between Plans Benefit Obligations and Assets Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] Number of cross currency swaps executed Number Of Cross Currency Swaps Executed Number of cross currency swaps executed. Contract with Customer, Duration Contract with Customer, Duration [Axis] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Mortgage-backed securities Collateralized Mortgage-Backed Securities [Member] Corporate/Other Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Valuation And Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Shares expected to vest, weighted-average grant-date fair value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expected To Vest Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value Dividend (income) Investment Income, Dividend Stock repurchase program expiration date Share Repurchase Program, Expiration Date Assets (liabilities) at fair value Assets And Liabilities Fair Value Disclosure 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). 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Unrealized gain on securities and other, net of tax Additions charged to expense Restructuring charges Current Year Charges Restructuring Charges, Total Restructuring Expense Equity Mutual Funds Equity Mutual Funds [Member] Equity Mutual Funds [Member] Property Plant and equipment useful life Property, Plant and Equipment, Useful Life Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Future Undiscounted Cash Flows and Reconciliation to Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Rollforward [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Rollforward [Abstract] Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent Foreign tax credit, Percent Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Summary of Share-Based Performance Earned Restricted Stock Activity and Restricted Stock Units Contract liabilities - short-term Contract with Customer, Liability, Current (Gain) on Sales of Assets and Business, Net Gain (Loss) on Disposition of Assets, Total Gain (Loss) on Disposition of Assets Net gain sales of assets Net (gain) on sales of assets and businesses Number of new reporting units Number of new reporting units. 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Withholding tax Increase (Decrease) in Inventories, Total Increase (Decrease) in Inventories Decrease (increase) in inventory Debt and Equity Securities, Gain (Loss), Total Debt and Equity Securities, Gain (Loss) Net loss (gain) on marketable securities Net (gain) on marketable securities Other Other Nonoperating Income Operating lease expense Operating Lease, Cost Pension and other postretirement benefits Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions And Other Postretirement Benefits Deferred tax assets, tax deferred expense, compensation and benefits, pensions and other postretirement benefits. 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Operating cash outflows from operating leases Operating Lease, Payments Standard and Extended Product Warranty Accrual, Increase for Warranties Issued, Total Provision charged to expense Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Assets Assets [Abstract] New Credit Facility Term Loan Credit Facility [Member] Term loan credit facility. Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Increase (Decrease) in Prepaid Expense and Other Assets, Total Increase (Decrease) in Prepaid Expense and Other Assets (Increase) decrease in prepaid expenses and other current and long-term assets Restructuring and Related Activities [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Asia Pacific Asia Pacific [Member] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Accumulated Other Comprehensive Income (Loss) Debt conversion, common stock shares issued Debt Conversion, Converted Instrument, Shares Issued Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Significant Of Accounting Policies [Line Items] Significant Of Accounting Policies [Line Items] Significant Of Accounting Policies [Line Items] Goodwill And Intangible Assets [Line Items] Goodwill And Intangible Assets [Line Items] Goodwill and intangible assets. Cash Flows From Investing Activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Retirement Benefits [Abstract] Accounts Payable, Current, Total Accounts payable Accounts Payable, Current Fair value of SARS vested Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Sale Leaseback Transaction, Description [Axis] Income before Income Taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Marketable Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Total stock-based compensation cost Allocated Sharebased Compensation Expense Including Selling General And Administrative Expense And Restructuring Expense Allocated sharebased compensation expense including selling general and administrative expense and restructuring expense. 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Restructuring and Related Cost Expected Cost, Decreased Total expected costs decreased, amount Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Finite-Lived Intangible Asset, Expected Amortization, Year One Future amortization expense of intangible asset in 2027 Fair Value Hedge Assets Derivatives designated as hedges, assets recognized Gain on sale of assets. Gain On Sale Of Assets [Abstract] Year-End Benefit Obligations, Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Canada CANADA Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Lessee, Operating Lease, Liability, to be Paid, Year One 2027 Covenant leverage ratio Debt Covenant Leverage Ratio Debt covenant leverage ratio. The Star Brands Group [Member] The Star Brands Group. The Star Brands Group Net income available to common shareholders - basic Net Income (Loss) Available to Common Stockholders, Basic Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Net Assets Acquired Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) Effective Income Tax Rate Reconciliation [Line Items] Long-term Line of Credit, Total Outstanding balance Long-Term Line of Credit Debt Instrument Debt Instrument [Axis] Derivative Instrument Derivative Instrument [Axis] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Interest cost Interest cost Defined Benefit Plan, Interest Cost Share-Based Payment Arrangement [Abstract] Unamortized Expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total Unamortized stock-based compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 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 (loss) on sales of assets and business, net. Gain (Loss) On Sales Of Assets And Business, Net (Gain) 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. Percentage of net sales Concentration Risk, Percentage Long-term Debt and Lease Obligation, Current, Total Less: current portion Long-Term Debt and Lease Obligation, Current Estimated benefits payable in the first year Defined Benefit Plan, Expected Future Benefit Payment, Year One Debt Instrument, Fair Value Disclosure, Total Long-term debt, including current portion Debt Instrument, Fair Value Disclosure Percentage of change in contract assets Percentage Of Contract With Customer Asset Net Percentage of contract with customer asset net. Cash (Used For) Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Title of 12(b) Security Title of 12(b) Security Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] DayGlo and kirker reporting units. DayGlo and Kirker Reporting Units [Member] DayGlo and Kirker Reporting Units Stocks Stocks [Member] Stocks. Stock repurchase program, remaining authorized repurchase, value Share Repurchase Program, Remaining Authorized, Amount Income Tax Paid, by Individual Jurisdiction [Table] Forfeited Shares forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value One year through five years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Maturities of long-term debt thereafter Long-Term Debt, Maturity, after Year Five Restructuring and related cost expected cost increased. Restructuring and Related Cost Expected Cost Increased Restructuring and Related Cost Expected Cost Increased Total expected costs increased, amount Income Taxes Income Tax Disclosure [Text Block] Accrued product liability reserves Product Liability Risks [Member] Product Liability Risks [Member] Multi-class Multi Class Securities [Member] Multi-Class securities. CAD Denominated Debt CAD Denominated Debt [Member] CAD denominated debt. Fair value of derivatives assets Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Other Liabilities, Noncurrent, Total Other long-term liabilities Other Liabilities, Noncurrent Restructuring Plan Restructuring Plan [Domain] Legal Entity Legal Entity [Axis] One year through five years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Changes in assets and liabilities, net of effect from purchases and sales of businesses: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Beginning balance Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Defined Benefit Plan, Plan Assets, Amount, Total Actual Asset Allocation Defined Benefit Plan, Pension plans with Plan Assets Balance at Beginning of Period Balance at End of Period Defined Benefit Plan, Plan Assets, Amount Payments of acquisition-related contingent consideration Payment Of Acquisition Related Contingent Consideration Payment of acquisition related contingent consideration. Income Tax Disclosure [Abstract] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Accrued Product Liability Reserves, Current Accrued Product Liability Reserves Current [Member] Accrued product liability reserves current. Business Combination [Text Block] Acquisitions and Divestitures Unrecognized tax benefits, beginning balance Unrecognized tax benefits, ending balance Unrecognized Tax Benefits Paid-In Capital Additional Paid-in Capital [Member] Nondeductible goodwill impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Issuance of Debt Issuance Of Long Term Debt [Member] Issuance of long term debt. Two Thousand Twenty Three Performance Stock Units Two Thousand Twenty Three Performance Stock Units [Member] 2023 PSUs United Kingdom UNITED KINGDOM Measurement Frequency Measurement Frequency [Domain] Income Statement Location Statement of Income Location, Balance [Axis] Change in accounting principle, accounting standards update, adoption date Change in Accounting Principle, Accounting Standards Update, Adoption Date Trading Symbol Trading Symbol Accounts Receivable Securitization Facility [Member] Accounts receivable securitization facility. Accounts Receivable Securitization Program with Two Banks, through May 19, 2025 Accounts Receivable Securitization Program with Two Banks, through April 30, 2028 Equity securities Total marketable equity securities Marketable equity securities CPG Segment Construction Products Group Segment [Member] Construction Products Group Segment. Less than one year, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Gain on Business Interruption Insurance Recovery, Statement of Income or Comprehensive Income [Extensible Enumeration] Nontaxable or nondeductible items, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total Subsequent Event Type [Axis] Employee-related Liabilities, Current, Total Accrued compensation and benefits Employee-related Liabilities, Current Tax credit carryforwards expiration year Tax Credit Carry Forward Expiration Year End Tax credit carry forward expiration year end. Cash Flows From Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Stock appreciation rights expected term Expected life of option Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Fair Value, Measurements, Recurring Fair Value, Recurring [Member] Total lease payments Lessee, Operating Lease, Liability, to be Paid Operating lease, future minimum lease payments Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Other Restructuring [Member] Other Restructuring Costs Increase (decrease) in net contract assets Net contract assets (liabilities) Change in Net Contract Assets (Liabilities) Change in net contract with customer asset liability. Change in Net Contract Assets (Liabilities) Increase in net contract assets Increase (decrease) in net contract assets Equity Components Equity Components [Axis] Percentage of accounts receivable net. Percentage Of Accounts Receivable Net Percentage of change in trade accounts receivable, less allowances Plans with assets in excess of accumulated benefit obligations, plan asset Defined Benefit Plan Plans With Plan Assets In Excess Of Accumulated Benefit Obligation Aggregate Fair Value Of Plan Assets Defined Benefit Plan Plans With Plan Assets In Excess Of Accumulated Benefit Obligation Aggregate Fair Value Of Plan Assets Less: Corporate/Other Expense Nonoperating Income (Expense) Nonoperating Income (Expense), Total Net Periodic Postretirement Cost, Ultimate healthcare cost trend rate Defined Benefit Plan Ultimate Health Care Cost Trend Rate Net Periodic Postretirement Benefit Cost Defined Benefit Plan, Ultimate Health Care Cost Trend Rate, Net Periodic Postretirement Benefit Cost Equity Component Equity Component [Domain] Construction Products, Performance Coatings Groups and Consumer Segment [Member] Construction products, performance coatings groups and consumer segment. CPG, PCG and Consumer Goodwill and Intangible Assets Disclosure [Abstract] Other states State and Local Tax Jurisdiction, Other [Member] Standard and Extended Product Warranty Accrual, Total Beginning Balance Ending Balance Standard and Extended Product Warranty Accrual Plan settlements/curtailments Defined Benefit Plan Settlements And Curtailments Benefit Obligation Defined benefit plan settlements and curtailments benefit obligation. Schedule of Asset Acquired and Liabilities Assumed on Acquisition Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] 2022 PSUs Two Thousand Twenty Two Performance Stock Units Member Two thousand twenty two performance stock units member. Document Annual Report Document Annual Report Defined Benefit Plan Plan Assets Plan Combination Defined benefit plan plan assets plan combination. Assets related to plan combinations Goodwill, Transfers Goodwill transferred Transfers Business Acquisition Business Combination [Axis] Two Thousand Twenty Five Acquisitions [Member] Two thousand twenty five acquisitions. 2025 Acquisitions Six years through ten years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Net Periodic Pension Cost, Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Asset Acquired and Liabilities Assumed on Acquisition Schedule Of Purchase Price Allocations Table [Text Block] Schedule Of Purchase Price Allocations [Table Text Block] Machinery and Equipment Machinery and Equipment [Member] Postemployment Benefits [Abstract] Loss Contingency Trial Commencement Date Loss contingency trial commencement date. Loss contingency, trial commencement date Customer Customer [Axis] Universal Sealants Universal Sealants [Member] Universal sealants. Schedule Of Accrued Liabilities [Table] Schedule Of Accrued Liabilities [Table] Schedule of Accrued Liabilities [Table] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring, Incurred Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation and Amortization Depreciation, Depletion and Amortization, Nonproduction U.S. Treasury and other government US Treasury and Government [Member] Statement of Comprehensive Income [Abstract] Investment Income, Net [Abstract] Authorization of stock repurchase program Shares Repurchased Authorization Date Shares repurchased authorization date. Maximum Maximum Maximum [Member] Contingent consideration Liabilities, Fair Value Disclosure Liabilities, Fair Value Disclosure, Total Derivatives Designated as Hedging Instruments Designated as Hedging Instrument [Member] Statistical Measurement Statistical Measurement [Axis] SPG Segments SPG reportable segment Specialty Products Group Segment [Member] Specialty products group segment. Options exercised Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Shares released from restriction Long-term deferred revenue Contract with Customer, Liability, Noncurrent Amortized intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Currency exchange rate changes Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Unsecured 4.25% notes due January 15, 2048 Unsecured 4.25% notes due January 15, 2048 Unsecured Senior Notes Four Point Two Five Percent Due January Fifteen Twenty Forty Eight [Member] Unsecured senior notes four point two five percent due january fifteen twenty forty eight. Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Total Common Stock, Value, Issued Common stock, par value $0.01; authorized 300,000 shares; issued 146,578 and outstanding 127,643 as of May 2026;issued 146,246 and outstanding 128,269 as of May 2025 Upon Achievement of Performance Goals Upon Achievement Of Performance Goals [Member] Upon achievement of performance goals. Other Nonoperating Income Expense Table [Text Block] Other nonoperating income expense. Other (Income) Expense, Net Net income available to common shareholders - diluted Net Income (Loss) Available to Common Stockholders, Diluted Credit facility expiration date Line of Credit Facility, Expiration Date Omnibus Incentive Plan Omnibus Incentive Plan [Member] Omnibus Incentive Plan [Member] Litigation Status [Domain] Beginning Balance Total equity Ending Balance Equity, Including Portion Attributable to Noncontrolling Interest Secured Overnight Financing Rate (SOFR) [Member] SOFR Australian Dollar Denominated Debt Australian Dollar Denominated Debt [Member] Australian Dollar Denominated Debt [Member] Two Thousand And Fourteen And Two Thousand And Twenty Four Omnibus Plan [Member] Two thousand and fourteen and two thousand and twenty four omnibus plan. 2014 Omnibus Plan and 2024 Omnibus Plan Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] Tax Credit Carryforward Tax Credit Carryforward [Axis] State and local income taxes, net, Percent Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Other Accrued Liabilities Other Accrued Liabilities [Member] Other accrued liabilities Subsidiary potential arguments on appeal. Subsidiary Potential Arguments On Appeal [Member] Subsidiary Potential Arguments On Appeal Entity Public Float Entity Public Float Expected volatility rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Preferred stock, authorized Preferred Stock, Shares Authorized Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total Less: Comprehensive Income Attributable to Noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Effective Income Tax Rate Reconciliation, Intragroup Asset Transfer, Percent Effective income tax rate reconciliation, intragroup asset transfer, percent. Intragroup asset transfer, Percent Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total Total investments with unrealized losses, gross unrealized losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Income Tax Reconciliation Changes In Unrecognized Tax Benefits, Percent Income tax reconciliation changes in unrecognized tax benefits, percent. Changes in unrecognized tax benefits, Percent Leaseback Agreement Leaseback agreement. Leaseback Agreement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Effect of cross border tax laws, Percent Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent, Total Effect of cross border tax laws, Percent Revenue Revenue from Contract with Customer [Text Block] Business Combination [Table] Entity Registrant Name Entity Registrant Name Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total Accrued interest and penalties related to unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Borrowings Debt Disclosure [Text Block] Pretax gain/(loss) reclassified from AOCI into income Other Comprehensive Income Loss Pretax Gain Loss Reclassified From Accumulated Other Comprehensive Income Into Income Other comprehensive income (loss), pretax gain (loss) reclassified from accumulated other comprehensive income into income. Deferred Tax Liabilities, Goodwill and Intangible Assets, Total Amortization of intangibles Deferred Tax Liabilities, Goodwill and Intangible Assets Futures contracts Future [Member] Available-for-Sale Debt Securities, Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Entity Voluntary Filers Entity Voluntary Filers Customer Concentration Risk Customer Concentration Risk [Member] Finite-Lived Intangible Asset, Expected Amortization, Year Two Future amortization expense of intangible asset in 2028 Share repurchases under repurchase program (in shares) Shares repurchased Treasury Stock, Shares, Acquired Other Nonoperating Income (Expense), Total Other Nonoperating Income (Expense) Other (Income) Expense, Net Other (Income) Expense, Net Debt Mutual Funds Debt Mutual Funds [Member] Debt Mutual Funds [Member] Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] State and local Deferred State and Local Income Tax Expense (Benefit) Changes in unrecognized tax benefits Income Tax Reconciliation Changes In Unrecognized Tax Benefits Income tax reconciliation, changes in unrecognized tax benefits. SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Building And Leasehold Improvements [Member] Building and leasehold improvements. Building and Leasehold Improvements Cybersecurity Risk Management Positions or Committees Responsible [Flag] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Finite-Lived Intangible Asset, Expected Amortization, Year Three Future amortization expense of intangible asset in 2029 Provision for Income Taxes Provision for Income Taxes Income Tax Expense (Benefit) 2025 PSUs Two Thousand Twenty Five Performance Stock Units [Member] 2025 performance stock units. Measurement Frequency Measurement Frequency [Axis] Payments to Acquire Productive Assets, Total Capital expenditures Payments to Acquire Productive Assets Estimated benefits payable in the fifth year Defined Benefit Plan, Expected Future Benefit Payment, Year Five Net operating loss carryforwards indefinite carry forward period Operating Loss Carryforwards Indefinite Period Operating Loss Carryforwards, Indefinite Period Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Actual Return (Loss) on Plan Assets Still Held Actual (Loss) Return on Plan Assets For Assets Still Held at Reporting Date Judicial Ruling [Member] Judicial Ruling Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Investment Income [Table Text Block] Investment (Income), Net Useful Lives Property Plant And Equipment Useful Life Table [Text Block] Property, Plant and Equipment, Useful Life [Table Text Block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Liability Class Liability Class [Axis] Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Consolidation Items Consolidation Items [Axis] Dividends declared and paid per share Common Stock Dividends Declared And Paid Per Share Common stock dividends declared and paid per share. Full Value Stock Award Full Value Stock Award [Member] Full Value Stock Award [Member] Uncollectible accounts written off, net of recoveries Accounts Receivable, Allowance for Credit Loss, Writeoff Cash payments charged against reserve Payments for Restructuring Other Payment for (Proceeds from) Other Investing Activity Unfunded-Health-Care-Benefit Plans Defined Benefit Plan, Underfunded Plan [Member] Granted Shares Granted Shares granted Identifiable Assets Total Assets Assets Net operating loss carryforwards beginning expiration year Operating Loss Carryforwards Beginning Expiration Year Operating Loss Carryforwards, Beginning Expiration Year Inventories Inventory, Policy [Policy Text Block] Invoices confirmed during the year Supplier Finance Program, Obligation, Addition Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] State and local: Income Tax Paid, State and Local, after Refund Received Income Tax Paid, State and Local, after Refund Received, Total Non Vested Restricted Stock [Member] Nonvested Restricted Stock Non vested restricted stock. Weighted-average remaining contractual life of options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Income Statement [Abstract] Schedule Of Restructuring And Related Costs [Table] Restructuring Cost [Table] Investment (income) expense, net Net Investment Income And Other Income 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. Investment (income), net Allocated Share Based Compensation Expense Selling General And Administrative Expense Allocated share-based compensation expense selling general and administrative expense. Stock-based compensation expense, included in SG&A Reductions for tax positions of prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Total intrinsic value of restricted shares converted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Net actuarial losses recognized Defined Benefit Plan, Amortization of Gain (Loss) Net actuarial losses (gains) Legal Fees Attorney's fees and costs awarding the distributor Incentive plan approval date Incentive Plan Approval Date Incentive plan approval date. Total Deferred Deferred income taxes Deferred Income Tax Expense (Benefit) SG&A Selling, General and Administrative Expenses [Member] Deferred tax liability for unremitted foreign earnings Income Tax Reconciliation Repatriation Of Foreign Earnings Loss Income tax reconciliation repatriation of foreign earnings (loss). Shares expected to vest Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Options Expected To Vest Number Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Options Expected To Vest Number Vested Shares vested Shares of restricted stock vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Pension Plan Assets Categorized using Fair Value Hierarchy Schedule of Allocation of Plan Assets [Table Text Block] Diluted Earnings Per Share of Common Stock Earnings Per Share, Diluted, Total Diluted Initial Proposed Penalty Initial proposed penalty. Initial proposed penalty Schedule of Segment Reporting Information, by Segment [Table Text Block] Summary of Results of Reportable Segments and Disaggregation of Revenues by Geography 2.25% Convertible Senior Notes Convertible Senior Notes Two Point Two Five Percent [Member] Convertible senior notes two point two five percent. Operating Segments Operating Segments [Member] Finite-Lived Intangible Asset, Expected Amortization, Year Five Future amortization expense of intangible asset in 2031 Effective Income Tax Rate Reconciliation, Percent [Abstract] Income tax reconciliation, Percent Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount Foreign tax credit Dividends, Common Stock, Total Dividends declared and paid Dividends, Common Stock City Area Code City Area Code Capital Loss Carryforwards Capital Loss Carryforward [Member] Capital Losses Net Amount Recognized Net Amount Recognized Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Total other comprehensive income Debt instrument redemption date Debt Instrument Redemption Date Debt instrument redemption date. Auditor Name Total recognized in accumulated other comprehensive income not affecting retained earnings Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Issuance of note Debt Debt Instrument, Face Amount United States Dollar Denominated Swingline Account [Member] United states dollar denominated swingline account. United States Dollar Denominated Swingline Account United states dollar denominated revolver. United States Dollar Denominated Revolver [Member] United States Dollar Denominated Revolver Credit facility borrowing maximum capacity Line of Credit Facility, Maximum Borrowing Capacity Business Combination [Line Items] Schedule Of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Other Intangible Assets Other Intangible Assets [Member] Derivative Instruments in Hedges, Assets, at Fair Value, Total Fair value of derivatives assets Derivative Instruments in Hedges, Assets, at Fair Value Variable lease expense Variable Lease, Cost Net Periodic Postretirement Cost, Year ultimate healthcare cost trend rate will be realized Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate Intrinsic value of restricted shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Operating Lease, Weighted Average Remaining Lease Term Weighted average remaining lease term for operating leases (in years) Equity-based compensation Income Tax Reconciliation Deductible Expense Equity Based Compensation Cost Income tax reconciliation deductible expense equity based compensation cost Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent Other, Tax credits, Percent Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Supply chain financing. Supply Chain Financing [Policy Text Block] Supply Chain Financing Property, plant and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net Estimated benefits payable in the third year Defined Benefit Plan, Expected Future Benefit Payment, Year Three Foreign Deferred Foreign Income Tax Expense (Benefit) Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash and Cash Equivalents at Beginning of Period Cash and Cash Equivalents at End of Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Net Periodic Postretirement Cost, Discount rate Net Periodic Pension Cost, Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Net Sales and Long Lived Assets by Regions Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Retained Earnings Retained Earnings [Member] Defined Benefit Plan, Funding Status Defined Benefit Plan, Funding Status [Domain] Number of business acquisition Business Acquisition Number Of Entities Acquired During Period Business Acquisition, Number of Entities Acquired During Period Pretax gain/(loss) reclassified from AOCI into income, cash flow Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Plans with accumulated benefit obligations in excess of plan assets, benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Capital Expenditures Payments To Acquire Productive Assets And Accounts Payable Related To Capital Expenditure Payments to acquire productive assets and accounts payable related to capital expenditure. Other noncontrolling interest activity Minority Interest Increase Decrease Other Minority Interest Increase (Decrease), Other Total long-term liabilities Liabilities, Noncurrent Unrealized losses with a loss position for less than 12 months, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Long-term Debt and Lease Obligation, Total Long-term debt, less current maturities Long-Term Debt and Lease Obligation Operating Lease, Weighted Average Discount Rate, Percent Weighted average discount rate for operating leases Operating lease liabilities Operating Lease, Liability, Noncurrent Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash (Used For) Provided By Financing Activities Premiums paid Defined Benefit Plan Expenses And Premiums Paid Defined Benefit Plan Expenses And Premiums Paid Summary of Lease Costs Lease, Cost [Table Text Block] Change in accounting principle, accounting standards update, adopted [true false] Change in Accounting Principle, Accounting Standards Update, Adopted [true false] Unamortized Debt Issuance Expense Unamortized debt issuance costs Unamortized debt issuance costs Customer-Related Intangible Assets Customer-related Intangibles Customer-Related Intangible Assets [Member] Auditor Location Deferred Income Tax Liabilities, Net, Total Deferred income taxes Deferred Income Tax Liabilities, Net Effective Income Tax Rate Reconciliation, FDII, Amount Impact of foreign derived intangible income deduction Six years through ten years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Net Investment Income Expense And Other Income Expense 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. Investment (Income), Net Accrued warranty reserves SEC Schedule, 12-09, Reserve, Warranty [Member] Marketable Securities [Table Text Block] Net (Gain) on Marketable Securities Derivative Contract [Domain] Derivative Contract Earnings Per Share of Common Stock Attributable to RPM International Inc. Stockholders: Earnings per Share of Common Stock Attributable to RPM International Inc. Stockholders: Earnings Per Share Reconciliation [Abstract] Schedule Of Goodwill [Table] Goodwill [Table] MAP 2025 Margin Achievement Plan Twenty Twenty Five [Member] Margin achievement plan twenty twenty five. 2019 Contingent Performance Stock Units Two Thousand And Nineteen Contingent Performance Stock Units [Member] Two thousand and nineteen contingent performance stock units. Foreign Non-US [Member] Fair value of derivatives liabilities Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Corporate bonds Corporate Debt Securities [Member] Income Tax Authority Income Tax Jurisdiction [Domain] Debt Securities Available For Sale [Table] Debt Securities, Available-for-Sale [Table] Entity Interactive Data Current Entity Interactive Data Current MAP to Growth MAP to Growth Margin Acceleration Plan To Growth Plan [Member] Margin acceleration plan to growth plan. Defined Benefit Plan, Plan Assets, Category Defined Benefit Plan, Plan Assets, Category [Axis] Deferred income tax (liabilities) related to: Deferred Tax Liabilities, Gross [Abstract] Pension Non Service Costs Pension non-service costs. Pension non-service (credits) costs Change in contract liabilities Increase (Decrease) in Contract with Customer, Liability Income Statement Location Statement of Income Location, Balance [Domain] Two thousand and twenty one contingent performance stock units. Two Thousand And Twenty One Contingent Performance Stock Units [Member] 2021 Contingent Performance Stock Units Accrued Environmental Reserves, Noncurrent Accrued Environmental Reserves Noncurrent [Member] Accrued environmental reserves noncurrent. Fair Value Measurement Fair Value Measurement [Domain] Cash Flows From Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other Accrued and Prepaid Expenses, Net Deferred tax assets, tax deferred expense, reserves and accruals, other accrued and prepaid expenses, net. Other accrued and prepaid expenses, net Accrued losses Loss Contingency, Accrual, Current Accrued Loss Reserves - Current Loss Contingency, Compensatory and Punitive Damages Loss contingency, compensatory and punitive damages. Loss contingency, compensatory and punitive damages Effect of exchange rates on amounts included in AOCI Other Comprehensive Income Loss Defined Benefit Plan Foreign Currency Translation Adjustment Net Of Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Foreign Currency Translation Adjustment, Net of Tax Increase Decrease In Accrued Loss Reserves 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 in accrued losses Contract with Customer, Asset, after Allowance for Credit Loss, Total Contract assets Contract with Customer, Asset, after Allowance for Credit Loss Stock-based compensation expense, included in restructuring expense Allocated Share Based Compensation Expense Restructuring Expense Represents the expense recognized during the period arising from restructuring activities that have accelerated equity-based compensation arrangements. Stock Repurchase Programs [Table] Stock Repurchase Programs [Table] Stock Repurchase Programs [Table] Income tax (benefit) Share-Based Payment Arrangement, Expense, Tax Benefit Entity Tax Identification Number Entity Tax Identification Number Stockholders' Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Land Land [Member] Long-term Debt, Type Long-Term Debt, Type [Axis] Sale Leaseback Transaction [Table] Marketable Securities, Unrealized Gain (Loss), Total Marketable Security, Unrealized Gain (Loss) Unrealized (gains) losses on marketable equity securities Two Thousand Twenty Six Acquisitions [Member] Two Thousand Twenty Six Acquisitions. 2026 Acquisitions 2021 PSUs Two Thousand Twenty One Performance Stock Units Member Two thousand twenty one performance stock units member. Income Tax [Table] Income Tax [Table] Income Tax [Table] Local Phone Number Local Phone Number Unsecured $300M Term Loan due February 21, 2023 Unsecured Three Hundred Million Term Loan Due February Twenty One Twenty Twenty Three [Member] Unsecured three hundred million term loan due february twenty one twenty twenty three. Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Net Pension Cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Short-term lease expense Short-Term Lease, Cost Denominator for basic and diluted earnings per share: Average Number of Shares of Common Stock Outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] State and Municipal Debt Obligations State And Municipal Debt Obligations [Member] State and Municipal Debt Obligations [Member] Amortization or settlement recognition of net (loss) Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Amortization or settlement recognition of net (loss) gain Auditor Opinion Auditor Opinion [Text Block] Changes in Benefit Obligations and Plan Assets Schedule of Net Funded Status [Table Text Block] Change in Contract with Customer, Asset and Liability [Abstract] Change in Contract with Customer, Asset and Liability [Abstract] Other Foreign Other Foreign Country [Member] Other Foreign Country [Member] Trade names Trademarks [Member] Pension Plans Disclosure. Pension Plans Disclosure [Text Block] Pension Plans Euro Denominated Debt Euro Denominated Debt [Member] Euro Denominated Debt [Member] Business acquisition cash acquired Cash Acquired from Acquisition Accounting Policies [Abstract] Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Unremitted foreign earnings Deferred income tax liability Deferred Tax Liabilities, Undistributed Foreign Earnings Revenue from Contract with Customer, Excluding Assessed Tax, Total Net Sales Revenue from Contract with Customer, Excluding Assessed Tax 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) Facility and Other Closure Costs Facility Closing [Member] Facility Closure and Other Related Costs Unrealized Gain (Loss) On Securities, Net of Tax AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Average diluted options and awards Incremental Common Shares Attributable to Dilutive Effect of Written Put Options EUR LIBOR E U R London Interbank Offered Rate L I B O R [Member] EUR London interbank offered rate. Lessee, Operating Lease, Liability, to be Paid, Year Four 2030 Cash and Cash Equivalents Cash and Cash Equivalents [Member] Shares of common stock available for grant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Unamortized stock-based compensation expense expected recognition period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Accumulated goodwill impairment losses Goodwill, Impaired, Accumulated Impairment Loss Entity Emerging Growth Company Entity Emerging Growth Company Other Income Expense Net Policy [Text Block] Other Income (Expense), Net [Policy Text Block] Other (Income) Expense, Net Indefinite-lived Intangible Assets Indefinite-Lived Intangible Assets [Axis] Tax Credit Carryforward, Name Tax Credit Carryforward, Name [Domain]