3.25.4 html 266 283 1 true 72 0 false 7 false false R1.htm 0000001 - Document - Cover Sheet http://www.unfi.com/role/Cover Cover Cover 1 false false R2.htm 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSunaudited CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) Statements 2 false false R3.htm 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSunauditedParenthetical CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) Statements 3 false false R4.htm 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSunaudited CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) Statements 4 false false R5.htm 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSunaudited CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) Statements 5 false false R6.htm 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) (Parenthetical) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSSunauditedParenthetical CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) (Parenthetical) Statements 6 false false R7.htm 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITYunaudited CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (unaudited) Statements 7 false false R8.htm 9952157 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) Sheet http://www.unfi.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSunaudited CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) Statements 8 false false R9.htm 9952158 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.unfi.com/role/SIGNIFICANTACCOUNTINGPOLICIES SIGNIFICANT ACCOUNTING POLICIES Notes 9 false false R10.htm 9952159 - Disclosure - RECENTLY ADOPTED AND ISSUED ACCOUNTING PRONOUNCEMENTS Sheet http://www.unfi.com/role/RECENTLYADOPTEDANDISSUEDACCOUNTINGPRONOUNCEMENTS RECENTLY ADOPTED AND ISSUED ACCOUNTING PRONOUNCEMENTS Notes 10 false false R11.htm 9952160 - Disclosure - REVENUE RECOGNITION Sheet http://www.unfi.com/role/REVENUERECOGNITION REVENUE RECOGNITION Notes 11 false false R12.htm 9952161 - Disclosure - RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES Sheet http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSES RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES Notes 12 false false R13.htm 9952162 - Disclosure - ASSET IMPAIRMENT CHARGES Sheet http://www.unfi.com/role/ASSETIMPAIRMENTCHARGES ASSET IMPAIRMENT CHARGES Notes 13 false false R14.htm 9952163 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET Sheet http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNET GOODWILL AND INTANGIBLE ASSETS, NET Notes 14 false false R15.htm 9952164 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS Sheet http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTS FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS Notes 15 false false R16.htm 9952165 - Disclosure - DERIVATIVES Sheet http://www.unfi.com/role/DERIVATIVES DERIVATIVES Notes 16 false false R17.htm 9952166 - Disclosure - LONG-TERM DEBT Sheet http://www.unfi.com/role/LONGTERMDEBT LONG-TERM DEBT Notes 17 false false R18.htm 9952167 - Disclosure - COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS Sheet http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSS COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS Notes 18 false false R19.htm 9952168 - Disclosure - BENEFIT PLANS Sheet http://www.unfi.com/role/BENEFITPLANS BENEFIT PLANS Notes 19 false false R20.htm 9952169 - Disclosure - INCOME TAXES Sheet http://www.unfi.com/role/INCOMETAXES INCOME TAXES Notes 20 false false R21.htm 9952170 - Disclosure - EARNINGS (LOSS) PER SHARE Sheet http://www.unfi.com/role/EARNINGSLOSSPERSHARE EARNINGS (LOSS) PER SHARE Notes 21 false false R22.htm 9952171 - Disclosure - BUSINESS SEGMENTS Sheet http://www.unfi.com/role/BUSINESSSEGMENTS BUSINESS SEGMENTS Notes 22 false false R23.htm 9952172 - Disclosure - COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS Sheet http://www.unfi.com/role/COMMITMENTSCONTINGENCIESANDOFFBALANCESHEETARRANGEMENTS COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS Notes 23 false false R24.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 24 false false R25.htm 9955511 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.unfi.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 25 false false R26.htm 9955512 - Disclosure - REVENUE RECOGNITION (Tables) Sheet http://www.unfi.com/role/REVENUERECOGNITIONTables REVENUE RECOGNITION (Tables) Tables http://www.unfi.com/role/REVENUERECOGNITION 26 false false R27.htm 9955513 - Disclosure - RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES (Tables) Sheet http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESTables RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES (Tables) Tables http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSES 27 false false R28.htm 9955514 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET (Tables) Sheet http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNETTables GOODWILL AND INTANGIBLE ASSETS, NET (Tables) Tables http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNET 28 false false R29.htm 9955515 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS (Tables) Sheet http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSTables FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS (Tables) Tables http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTS 29 false false R30.htm 9955516 - Disclosure - DERIVATIVES (Tables) Sheet http://www.unfi.com/role/DERIVATIVESTables DERIVATIVES (Tables) Tables http://www.unfi.com/role/DERIVATIVES 30 false false R31.htm 9955517 - Disclosure - LONG-TERM DEBT (Tables) Sheet http://www.unfi.com/role/LONGTERMDEBTTables LONG-TERM DEBT (Tables) Tables http://www.unfi.com/role/LONGTERMDEBT 31 false false R32.htm 9955518 - Disclosure - COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) Sheet http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSTables COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) Tables http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSS 32 false false R33.htm 9955519 - Disclosure - BENEFIT PLANS (Tables) Sheet http://www.unfi.com/role/BENEFITPLANSTables BENEFIT PLANS (Tables) Tables http://www.unfi.com/role/BENEFITPLANS 33 false false R34.htm 9955520 - Disclosure - EARNINGS (LOSS) PER SHARE (Tables) Sheet http://www.unfi.com/role/EARNINGSLOSSPERSHARETables EARNINGS (LOSS) PER SHARE (Tables) Tables http://www.unfi.com/role/EARNINGSLOSSPERSHARE 34 false false R35.htm 9955521 - Disclosure - BUSINESS SEGMENTS (Tables) Sheet http://www.unfi.com/role/BUSINESSSEGMENTSTables BUSINESS SEGMENTS (Tables) Tables http://www.unfi.com/role/BUSINESSSEGMENTS 35 false false R36.htm 9955522 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details) Sheet http://www.unfi.com/role/SIGNIFICANTACCOUNTINGPOLICIESDetails SIGNIFICANT ACCOUNTING POLICIES (Details) Details http://www.unfi.com/role/SIGNIFICANTACCOUNTINGPOLICIESPolicies 36 false false R37.htm 9955523 - Disclosure - REVENUE RECOGNITION - Accounts Receivable (Details) Sheet http://www.unfi.com/role/REVENUERECOGNITIONAccountsReceivableDetails REVENUE RECOGNITION - Accounts Receivable (Details) Details 37 false false R38.htm 9955524 - Disclosure - REVENUE RECOGNITION - Narrative (Details) Sheet http://www.unfi.com/role/REVENUERECOGNITIONNarrativeDetails REVENUE RECOGNITION - Narrative (Details) Details 38 false false R39.htm 9955525 - Disclosure - RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Schedule of Expense (Details) Sheet http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESScheduleofExpenseDetails RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Schedule of Expense (Details) Details 39 false false R40.htm 9955526 - Disclosure - RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Schedule of Restructuring Liabilities (Details) Sheet http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESScheduleofRestructuringLiabilitiesDetails RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Schedule of Restructuring Liabilities (Details) Details 40 false false R41.htm 9955527 - Disclosure - RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Narrative (Details) Sheet http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESNarrativeDetails RESTRUCTURING, ACQUISITION AND INTEGRATION RELATED EXPENSES - Narrative (Details) Details http://www.unfi.com/role/RESTRUCTURINGACQUISITIONANDINTEGRATIONRELATEDEXPENSESTables 41 false false R42.htm 9955528 - Disclosure - ASSET IMPAIRMENT CHARGES (Details) Sheet http://www.unfi.com/role/ASSETIMPAIRMENTCHARGESDetails ASSET IMPAIRMENT CHARGES (Details) Details http://www.unfi.com/role/ASSETIMPAIRMENTCHARGES 42 false false R43.htm 9955529 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details) Sheet http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNETNarrativeDetails GOODWILL AND INTANGIBLE ASSETS, NET - Narrative (Details) Details 43 false false R44.htm 9955530 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET - Identifiable Intangible Assets (Details) Sheet http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNETIdentifiableIntangibleAssetsDetails GOODWILL AND INTANGIBLE ASSETS, NET - Identifiable Intangible Assets (Details) Details 44 false false R45.htm 9955531 - Disclosure - GOODWILL AND INTANGIBLE ASSETS, NET - Estimated Future Amortization Expense (Details) Sheet http://www.unfi.com/role/GOODWILLANDINTANGIBLEASSETSNETEstimatedFutureAmortizationExpenseDetails GOODWILL AND INTANGIBLE ASSETS, NET - Estimated Future Amortization Expense (Details) Details 45 false false R46.htm 9955532 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Recurring Fair Value Measurements (Details) Sheet http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSRecurringFairValueMeasurementsDetails FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Recurring Fair Value Measurements (Details) Details 46 false false R47.htm 9955533 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Narrative (Details) Sheet http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSNarrativeDetails FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Narrative (Details) Details http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSTables 47 false false R48.htm 9955534 - Disclosure - FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Fair Value Estimates (Details) Sheet http://www.unfi.com/role/FAIRVALUEMEASUREMENTSOFFINANCIALINSTRUMENTSFairValueEstimatesDetails FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Fair Value Estimates (Details) Details 48 false false R49.htm 9955535 - Disclosure - DERIVATIVES - Outstanding Swap Contracts (Details) Sheet http://www.unfi.com/role/DERIVATIVESOutstandingSwapContractsDetails DERIVATIVES - Outstanding Swap Contracts (Details) Details 49 false false R50.htm 9955536 - Disclosure - DERIVATIVES - Interest Rate Swap Contracts (Details) Sheet http://www.unfi.com/role/DERIVATIVESInterestRateSwapContractsDetails DERIVATIVES - Interest Rate Swap Contracts (Details) Details 50 false false R51.htm 9955537 - Disclosure - LONG-TERM DEBT - Schedule of Debt (Details) Sheet http://www.unfi.com/role/LONGTERMDEBTScheduleofDebtDetails LONG-TERM DEBT - Schedule of Debt (Details) Details 51 false false R52.htm 9955538 - Disclosure - LONG-TERM DEBT - Term Loan Facility (Details) Sheet http://www.unfi.com/role/LONGTERMDEBTTermLoanFacilityDetails LONG-TERM DEBT - Term Loan Facility (Details) Details 52 false false R53.htm 9955539 - Disclosure - LONG-TERM DEBT - ABL Credit Facility (Details) Sheet http://www.unfi.com/role/LONGTERMDEBTABLCreditFacilityDetails LONG-TERM DEBT - ABL Credit Facility (Details) Details 53 false false R54.htm 9955540 - Disclosure - LONG-TERM DEBT - Applicable Margins and Fees (Details) Sheet http://www.unfi.com/role/LONGTERMDEBTApplicableMarginsandFeesDetails LONG-TERM DEBT - Applicable Margins and Fees (Details) Details 54 false false R55.htm 9955541 - Disclosure - LONG-TERM DEBT - Unused Credit under the ABL Facilities (Details) Sheet http://www.unfi.com/role/LONGTERMDEBTUnusedCreditundertheABLFacilitiesDetails LONG-TERM DEBT - Unused Credit under the ABL Facilities (Details) Details 55 false false R56.htm 9955542 - Disclosure - LONG-TERM DEBT - Senior Notes (Details) Notes http://www.unfi.com/role/LONGTERMDEBTSeniorNotesDetails LONG-TERM DEBT - Senior Notes (Details) Details 56 false false R57.htm 9955543 - Disclosure - COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes by Component (Details) Sheet http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSChangesbyComponentDetails COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Changes by Component (Details) Details 57 false false R58.htm 9955544 - Disclosure - COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) Sheet http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSReclassificationoutofOtherComprehensiveLossDetails COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) Details 58 false false R59.htm 9955545 - Disclosure - COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Narrative (Details) Sheet http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSNarrativeDetails COMPREHENSIVE LOSS AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Narrative (Details) Details http://www.unfi.com/role/COMPREHENSIVELOSSANDACCUMULATEDOTHERCOMPREHENSIVELOSSTables 59 false false R60.htm 9955546 - Disclosure - BENEFIT PLANS - Net Periodic Benefit (Income) Costs for Defined Benefit Pension Plans (Details) Sheet http://www.unfi.com/role/BENEFITPLANSNetPeriodicBenefitIncomeCostsforDefinedBenefitPensionPlansDetails BENEFIT PLANS - Net Periodic Benefit (Income) Costs for Defined Benefit Pension Plans (Details) Details 60 false false R61.htm 9955547 - Disclosure - BENEFIT PLANS - Narrative (Details) Sheet http://www.unfi.com/role/BENEFITPLANSNarrativeDetails BENEFIT PLANS - Narrative (Details) Details 61 false false R62.htm 9955548 - Disclosure - INCOME TAXES (Details) Sheet http://www.unfi.com/role/INCOMETAXESDetails INCOME TAXES (Details) Details http://www.unfi.com/role/INCOMETAXES 62 false false R63.htm 9955549 - Disclosure - EARNINGS (LOSS) PER SHARE (Details) Sheet http://www.unfi.com/role/EARNINGSLOSSPERSHAREDetails EARNINGS (LOSS) PER SHARE (Details) Details http://www.unfi.com/role/EARNINGSLOSSPERSHARETables 63 false false R64.htm 9955550 - Disclosure - BUSINESS SEGMENTS - Narrative (Details) Sheet http://www.unfi.com/role/BUSINESSSEGMENTSNarrativeDetails BUSINESS SEGMENTS - Narrative (Details) Details 64 false false R65.htm 9955551 - Disclosure - BUSINESS SEGMENTS - Segment Information (Details) Sheet http://www.unfi.com/role/BUSINESSSEGMENTSSegmentInformationDetails BUSINESS SEGMENTS - Segment Information (Details) Details 65 false false R66.htm 9955552 - Disclosure - BUSINESS SEGMENTS - Reportable Segments Including Depreciation and Amortization and Payments For Capital Expenditures (Details) Sheet http://www.unfi.com/role/BUSINESSSEGMENTSReportableSegmentsIncludingDepreciationandAmortizationandPaymentsForCapitalExpendituresDetails BUSINESS SEGMENTS - Reportable Segments Including Depreciation and Amortization and Payments For Capital Expenditures (Details) Details 66 false false R67.htm 9955553 - Disclosure - COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS (Details) Sheet http://www.unfi.com/role/COMMITMENTSCONTINGENCIESANDOFFBALANCESHEETARRANGEMENTSDetails COMMITMENTS, CONTINGENCIES AND OFF-BALANCE SHEET ARRANGEMENTS (Details) Details http://www.unfi.com/role/COMMITMENTSCONTINGENCIESANDOFFBALANCESHEETARRANGEMENTS 67 false false All Reports Book All Reports unfi-20260131.htm unfi-20260131.xsd unfi-20260131_cal.xml unfi-20260131_def.xml unfi-20260131_lab.xml unfi-20260131_pre.xml unfi-20260131_g1.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true