3.26.1 html 285 270 1 false 74 0 false 7 false false R1.htm 0000001 - Document - COVER PAGE Sheet http://www.donaldson.com/role/COVERPAGE COVER PAGE Cover 1 false false R2.htm 9952151 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFEARNINGS CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS Statements 2 false false R3.htm 9952152 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Statements 3 false false R4.htm 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMEParenthetical CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) Statements 4 false false R5.htm 9952154 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS CONDENSED CONSOLIDATED BALANCE SHEETS Statements 5 false false R6.htm 9952155 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) Statements 6 false false R7.htm 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITY CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY Statements 8 false false R9.htm 9952158 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (Parenthetical) Sheet http://www.donaldson.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYParenthetical CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY (Parenthetical) Statements 9 false false R10.htm 9952159 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.donaldson.com/role/SummaryofSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 9952160 - Disclosure - Acquisitions and Equity Method Investments Sheet http://www.donaldson.com/role/AcquisitionsandEquityMethodInvestments Acquisitions and Equity Method Investments Notes 11 false false R12.htm 9952161 - Disclosure - Revenue Sheet http://www.donaldson.com/role/Revenue Revenue Notes 12 false false R13.htm 9952162 - Disclosure - Inventories, Net Sheet http://www.donaldson.com/role/InventoriesNet Inventories, Net Notes 13 false false R14.htm 9952163 - Disclosure - Property, Plant and Equipment, Net Sheet http://www.donaldson.com/role/PropertyPlantandEquipmentNet Property, Plant and Equipment, Net Notes 14 false false R15.htm 9952164 - Disclosure - Goodwill and Intangible Assets Sheet http://www.donaldson.com/role/GoodwillandIntangibleAssets Goodwill and Intangible Assets Notes 15 false false R16.htm 9952165 - Disclosure - Long-Term Debt Sheet http://www.donaldson.com/role/LongTermDebt Long-Term Debt Notes 16 false false R17.htm 9952166 - Disclosure - Income Taxes Sheet http://www.donaldson.com/role/IncomeTaxes Income Taxes Notes 17 false false R18.htm 9952167 - Disclosure - Earnings Per Share Sheet http://www.donaldson.com/role/EarningsPerShare Earnings Per Share Notes 18 false false R19.htm 9952168 - Disclosure - Stockholders' Equity Sheet http://www.donaldson.com/role/StockholdersEquity Stockholders' Equity Notes 19 false false R20.htm 9952169 - Disclosure - Accumulated Other Comprehensive Loss Sheet http://www.donaldson.com/role/AccumulatedOtherComprehensiveLoss Accumulated Other Comprehensive Loss Notes 20 false false R21.htm 9952170 - Disclosure - Stock-Based Compensation Sheet http://www.donaldson.com/role/StockBasedCompensation Stock-Based Compensation Notes 21 false false R22.htm 9952171 - Disclosure - Employee Benefit Plans Sheet http://www.donaldson.com/role/EmployeeBenefitPlans Employee Benefit Plans Notes 22 false false R23.htm 9952172 - Disclosure - Derivative Instruments and Hedging Sheet http://www.donaldson.com/role/DerivativeInstrumentsandHedging Derivative Instruments and Hedging Notes 23 false false R24.htm 9952173 - Disclosure - Fair Value Measurements Sheet http://www.donaldson.com/role/FairValueMeasurements Fair Value Measurements Notes 24 false false R25.htm 9952174 - Disclosure - Guarantees Sheet http://www.donaldson.com/role/Guarantees Guarantees Notes 25 false false R26.htm 9952175 - Disclosure - Commitments and Contingencies Sheet http://www.donaldson.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 26 false false R27.htm 9952176 - Disclosure - Segment Reporting Sheet http://www.donaldson.com/role/SegmentReporting Segment Reporting Notes 27 false false R28.htm 9952177 - Disclosure - Restructuring and Other Charges Sheet http://www.donaldson.com/role/RestructuringandOtherCharges Restructuring and Other Charges Notes 28 false false R29.htm 9952178 - Disclosure - Subsequent Event Sheet http://www.donaldson.com/role/SubsequentEvent Subsequent Event Notes 29 false false R30.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 30 false false R31.htm 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.donaldson.com/role/SummaryofSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.donaldson.com/role/SummaryofSignificantAccountingPolicies 31 false false R32.htm 9955512 - Disclosure - Revenue (Tables) Sheet http://www.donaldson.com/role/RevenueTables Revenue (Tables) Tables http://www.donaldson.com/role/Revenue 32 false false R33.htm 9955513 - Disclosure - Inventories, Net (Tables) Sheet http://www.donaldson.com/role/InventoriesNetTables Inventories, Net (Tables) Tables http://www.donaldson.com/role/InventoriesNet 33 false false R34.htm 9955514 - Disclosure - Property, Plant and Equipment, Net (Tables) Sheet http://www.donaldson.com/role/PropertyPlantandEquipmentNetTables Property, Plant and Equipment, Net (Tables) Tables http://www.donaldson.com/role/PropertyPlantandEquipmentNet 34 false false R35.htm 9955515 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.donaldson.com/role/GoodwillandIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://www.donaldson.com/role/GoodwillandIntangibleAssets 35 false false R36.htm 9955516 - Disclosure - Earnings Per Share (Tables) Sheet http://www.donaldson.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.donaldson.com/role/EarningsPerShare 36 false false R37.htm 9955517 - Disclosure - Accumulated Other Comprehensive Loss (Tables) Sheet http://www.donaldson.com/role/AccumulatedOtherComprehensiveLossTables Accumulated Other Comprehensive Loss (Tables) Tables http://www.donaldson.com/role/AccumulatedOtherComprehensiveLoss 37 false false R38.htm 9955518 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.donaldson.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.donaldson.com/role/StockBasedCompensation 38 false false R39.htm 9955519 - Disclosure - Employee Benefit Plans (Tables) Sheet http://www.donaldson.com/role/EmployeeBenefitPlansTables Employee Benefit Plans (Tables) Tables http://www.donaldson.com/role/EmployeeBenefitPlans 39 false false R40.htm 9955520 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.donaldson.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.donaldson.com/role/FairValueMeasurements 40 false false R41.htm 9955521 - Disclosure - Guarantees (Tables) Sheet http://www.donaldson.com/role/GuaranteesTables Guarantees (Tables) Tables http://www.donaldson.com/role/Guarantees 41 false false R42.htm 9955522 - Disclosure - Commitment and Contingencies (Tables) Sheet http://www.donaldson.com/role/CommitmentandContingenciesTables Commitment and Contingencies (Tables) Tables 42 false false R43.htm 9955523 - Disclosure - Segment Reporting (Tables) Sheet http://www.donaldson.com/role/SegmentReportingTables Segment Reporting (Tables) Tables http://www.donaldson.com/role/SegmentReporting 43 false false R44.htm 9955524 - Disclosure - Summary of Significant Accounting Policies (Details) Sheet http://www.donaldson.com/role/SummaryofSignificantAccountingPoliciesDetails Summary of Significant Accounting Policies (Details) Details http://www.donaldson.com/role/SummaryofSignificantAccountingPoliciesPolicies 44 false false R45.htm 9955525 - Disclosure - Acquisitions and Equity Method Investments (Details) Sheet http://www.donaldson.com/role/AcquisitionsandEquityMethodInvestmentsDetails Acquisitions and Equity Method Investments (Details) Details http://www.donaldson.com/role/AcquisitionsandEquityMethodInvestments 45 false false R46.htm 9955526 - Disclosure - Revenue (Disaggregation of Revenue by Geographical Area) (Details) Sheet http://www.donaldson.com/role/RevenueDisaggregationofRevenuebyGeographicalAreaDetails Revenue (Disaggregation of Revenue by Geographical Area) (Details) Details http://www.donaldson.com/role/RevenueTables 46 false false R47.htm 9955527 - Disclosure - Revenue (Narrative) (Details) Sheet http://www.donaldson.com/role/RevenueNarrativeDetails Revenue (Narrative) (Details) Details http://www.donaldson.com/role/RevenueTables 47 false false R48.htm 9955528 - Disclosure - Inventories, Net (Details) Sheet http://www.donaldson.com/role/InventoriesNetDetails Inventories, Net (Details) Details http://www.donaldson.com/role/InventoriesNetTables 48 false false R49.htm 9955529 - Disclosure - Property, Plant and Equipment, Net (Details) Sheet http://www.donaldson.com/role/PropertyPlantandEquipmentNetDetails Property, Plant and Equipment, Net (Details) Details http://www.donaldson.com/role/PropertyPlantandEquipmentNetTables 49 false false R50.htm 9955530 - Disclosure - Goodwill and Intangible Assets (Reconciliation of Goodwill) (Details) Sheet http://www.donaldson.com/role/GoodwillandIntangibleAssetsReconciliationofGoodwillDetails Goodwill and Intangible Assets (Reconciliation of Goodwill) (Details) Details http://www.donaldson.com/role/GoodwillandIntangibleAssetsTables 50 false false R51.htm 9955531 - Disclosure - Goodwill and Intangible Assets (Reconciliation of Intangible Assets) (Details) Sheet http://www.donaldson.com/role/GoodwillandIntangibleAssetsReconciliationofIntangibleAssetsDetails Goodwill and Intangible Assets (Reconciliation of Intangible Assets) (Details) Details http://www.donaldson.com/role/GoodwillandIntangibleAssetsTables 51 false false R52.htm 9955532 - Disclosure - Goodwill and Intangible Assets (Narrative) (Details) Sheet http://www.donaldson.com/role/GoodwillandIntangibleAssetsNarrativeDetails Goodwill and Intangible Assets (Narrative) (Details) Details http://www.donaldson.com/role/GoodwillandIntangibleAssetsTables 52 false false R53.htm 9955533 - Disclosure - Long-Term Debt (Details) Sheet http://www.donaldson.com/role/LongTermDebtDetails Long-Term Debt (Details) Details http://www.donaldson.com/role/LongTermDebt 53 false false R54.htm 9955534 - Disclosure - Income Taxes (Details) Sheet http://www.donaldson.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.donaldson.com/role/IncomeTaxes 54 false false R55.htm 9955535 - Disclosure - Earnings Per Share (Details) Sheet http://www.donaldson.com/role/EarningsPerShareDetails Earnings Per Share (Details) Details http://www.donaldson.com/role/EarningsPerShareTables 55 false false R56.htm 9955536 - Disclosure - Stockholders' Equity (Details) Sheet http://www.donaldson.com/role/StockholdersEquityDetails Stockholders' Equity (Details) Details http://www.donaldson.com/role/StockholdersEquity 56 false false R57.htm 9955537 - Disclosure - Accumulated Other Comprehensive Loss (Details) Sheet http://www.donaldson.com/role/AccumulatedOtherComprehensiveLossDetails Accumulated Other Comprehensive Loss (Details) Details http://www.donaldson.com/role/AccumulatedOtherComprehensiveLossTables 57 false false R58.htm 9955538 - Disclosure - Stock-Based Compensation (Narrative) (Details) Sheet http://www.donaldson.com/role/StockBasedCompensationNarrativeDetails Stock-Based Compensation (Narrative) (Details) Details http://www.donaldson.com/role/StockBasedCompensationTables 58 false false R59.htm 9955539 - Disclosure - Stock-Based Compensation (Stock Option Activity) (Details) Sheet http://www.donaldson.com/role/StockBasedCompensationStockOptionActivityDetails Stock-Based Compensation (Stock Option Activity) (Details) Details http://www.donaldson.com/role/StockBasedCompensationTables 59 false false R60.htm 9955540 - Disclosure - Stock-Based Compensation (Performance Award Activity) (Details) Sheet http://www.donaldson.com/role/StockBasedCompensationPerformanceAwardActivityDetails Stock-Based Compensation (Performance Award Activity) (Details) Details http://www.donaldson.com/role/StockBasedCompensationTables 60 false false R61.htm 9955541 - Disclosure - Employee Benefit Plans (Net Periodic Pension Costs) (Details) Sheet http://www.donaldson.com/role/EmployeeBenefitPlansNetPeriodicPensionCostsDetails Employee Benefit Plans (Net Periodic Pension Costs) (Details) Details http://www.donaldson.com/role/EmployeeBenefitPlansTables 61 false false R62.htm 9955542 - Disclosure - Employee Benefit Plans (Narrative) (Details) Sheet http://www.donaldson.com/role/EmployeeBenefitPlansNarrativeDetails Employee Benefit Plans (Narrative) (Details) Details http://www.donaldson.com/role/EmployeeBenefitPlansTables 62 false false R63.htm 9955543 - Disclosure - Derivative Instruments and Hedging (Details) Sheet http://www.donaldson.com/role/DerivativeInstrumentsandHedgingDetails Derivative Instruments and Hedging (Details) Details http://www.donaldson.com/role/DerivativeInstrumentsandHedging 63 false false R64.htm 9955544 - Disclosure - Fair Value Measurements (Narrative) (Details) Sheet http://www.donaldson.com/role/FairValueMeasurementsNarrativeDetails Fair Value Measurements (Narrative) (Details) Details http://www.donaldson.com/role/FairValueMeasurementsTables 64 false false R65.htm 9955545 - Disclosure - Fair Value Measurements (Derivatives on the Balance Sheet) (Details) Sheet http://www.donaldson.com/role/FairValueMeasurementsDerivativesontheBalanceSheetDetails Fair Value Measurements (Derivatives on the Balance Sheet) (Details) Details http://www.donaldson.com/role/FairValueMeasurementsTables 65 false false R66.htm 9955546 - Disclosure - Guarantees (Balance Sheet) (Details) Sheet http://www.donaldson.com/role/GuaranteesBalanceSheetDetails Guarantees (Balance Sheet) (Details) Details http://www.donaldson.com/role/GuaranteesTables 66 false false R67.htm 9955547 - Disclosure - Guarantees (Narrative) (Details) Sheet http://www.donaldson.com/role/GuaranteesNarrativeDetails Guarantees (Narrative) (Details) Details http://www.donaldson.com/role/GuaranteesTables 67 false false R68.htm 9955548 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.donaldson.com/role/CommitmentsandContingenciesDetails Commitments and Contingencies (Details) Details http://www.donaldson.com/role/CommitmentsandContingencies 68 false false R69.htm 9955549 - Disclosure - Segment Reporting (Narrative) (Details) Sheet http://www.donaldson.com/role/SegmentReportingNarrativeDetails Segment Reporting (Narrative) (Details) Details http://www.donaldson.com/role/SegmentReportingTables 69 false false R70.htm 9955550 - Disclosure - Segment Reporting (Segments) (Details) Sheet http://www.donaldson.com/role/SegmentReportingSegmentsDetails Segment Reporting (Segments) (Details) Details http://www.donaldson.com/role/SegmentReportingTables 70 false false R71.htm 9955551 - Disclosure - Segment Reporting (Segment Report) (Details) Sheet http://www.donaldson.com/role/SegmentReportingSegmentReportDetails Segment Reporting (Segment Report) (Details) Details http://www.donaldson.com/role/SegmentReportingTables 71 false false R72.htm 9955552 - Disclosure - Segment Reporting (Geographic Sales by Origination and Property, Plant and Equipment) (Details) Sheet http://www.donaldson.com/role/SegmentReportingGeographicSalesbyOriginationandPropertyPlantandEquipmentDetails Segment Reporting (Geographic Sales by Origination and Property, Plant and Equipment) (Details) Details http://www.donaldson.com/role/SegmentReportingTables 72 false false R73.htm 9955553 - Disclosure - Restructuring and Other Charges (Details) Sheet http://www.donaldson.com/role/RestructuringandOtherChargesDetails Restructuring and Other Charges (Details) Details http://www.donaldson.com/role/RestructuringandOtherCharges 73 false false R74.htm 9955554 - Disclosure - Subsequent Event (Details) Sheet http://www.donaldson.com/role/SubsequentEventDetails Subsequent Event (Details) Details http://www.donaldson.com/role/SubsequentEvent 74 false false All Reports Book All Reports dci-20260430.htm dci-20260430.xsd dci-20260430_cal.xml dci-20260430_def.xml dci-20260430_lab.xml dci-20260430_pre.xml dci-20260430_g1.jpg dci-20260430_g2.jpg dci-20260430_g3.jpg dci-20260430_g4.jpg dci-20260430_g5.jpg dci-20260430_g6.jpg dci-20260430_g7.jpg dci-20260430_g8.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true