3.26.1 html 136 277 1 false 41 0 false 7 false false R1.htm 995200090 - Document - Document and Entity Information Sheet http://www.matson.com/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 995200100 - Statement - Condensed Consolidated Statements of Income and Comprehensive Income Sheet http://www.matson.com/role/StatementCondensedConsolidatedStatementsOfIncomeAndComprehensiveIncome Condensed Consolidated Statements of Income and Comprehensive Income Statements 2 false false R3.htm 995200200 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.matson.com/role/StatementCondensedConsolidatedBalanceSheets Condensed Consolidated Balance Sheets Statements 3 false false R4.htm 995200205 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.matson.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical Condensed Consolidated Balance Sheets (Parenthetical) Statements 4 false false R5.htm 995200300 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.matson.com/role/StatementCondensedConsolidatedStatementsOfCashFlows Condensed Consolidated Statements of Cash Flows Statements 5 false false R6.htm 995200400 - Statement - Condensed Consolidated Statements of Shareholders' Equity Sheet http://www.matson.com/role/StatementCondensedConsolidatedStatementsOfShareholdersEquity Condensed Consolidated Statements of Shareholders' Equity Statements 6 false false R7.htm 995200405 - Statement - Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) Sheet http://www.matson.com/role/StatementCondensedConsolidatedStatementsOfShareholdersEquityParenthetical Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) Statements 7 false false R8.htm 995210101 - Disclosure - DESCRIPTION OF THE BUSINESS Sheet http://www.matson.com/role/DisclosureDescriptionOfBusiness DESCRIPTION OF THE BUSINESS Notes 8 false false R9.htm 995210201 - Disclosure - GENERAL AND SIGNIFICANT ACCOUNTING POLICIES Sheet http://www.matson.com/role/DisclosureGeneralAndSignificantAccountingPolicies GENERAL AND SIGNIFICANT ACCOUNTING POLICIES Notes 9 false false R10.htm 995210301 - Disclosure - REPORTABLE SEGMENTS Sheet http://www.matson.com/role/DisclosureReportableSegments REPORTABLE SEGMENTS Notes 10 false false R11.htm 995210401 - Disclosure - INVESTMENT IN SSAT Sheet http://www.matson.com/role/DisclosureInvestmentInSsat INVESTMENT IN SSAT Notes 11 false false R12.htm 995210501 - Disclosure - PROPERTY AND EQUIPMENT Sheet http://www.matson.com/role/DisclosurePropertyAndEquipment PROPERTY AND EQUIPMENT Notes 12 false false R13.htm 995210601 - Disclosure - GOODWILL AND INTANGIBLE ASSETS Sheet http://www.matson.com/role/DisclosureGoodwillAndIntangibleAssets GOODWILL AND INTANGIBLE ASSETS Notes 13 false false R14.htm 995210701 - Disclosure - CAPITAL CONSTRUCTION FUND Sheet http://www.matson.com/role/DisclosureCapitalConstructionFund CAPITAL CONSTRUCTION FUND Notes 14 false false R15.htm 995210801 - Disclosure - DEBT Sheet http://www.matson.com/role/DisclosureDebt DEBT Notes 15 false false R16.htm 995210901 - Disclosure - LEASES Sheet http://www.matson.com/role/DisclosureLeases LEASES Notes 16 false false R17.htm 995211001 - Disclosure - INCOME TAXES Sheet http://www.matson.com/role/DisclosureIncomeTaxes INCOME TAXES Notes 17 false false R18.htm 995211101 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Sheet http://www.matson.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Notes 18 false false R19.htm 995211201 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS Sheet http://www.matson.com/role/DisclosureFairValueOfFinancialInstruments FAIR VALUE OF FINANCIAL INSTRUMENTS Notes 19 false false R20.htm 995211301 - Disclosure - EARNINGS PER SHARE Sheet http://www.matson.com/role/DisclosureEarningsPerShare EARNINGS PER SHARE Notes 20 false false R21.htm 995211401 - Disclosure - SHARE-BASED AWARDS Sheet http://www.matson.com/role/DisclosureShareBasedAwards SHARE-BASED AWARDS Notes 21 false false R22.htm 995211501 - Disclosure - PENSION AND POST-RETIREMENT PLANS Sheet http://www.matson.com/role/DisclosurePensionAndPostRetirementPlans PENSION AND POST-RETIREMENT PLANS Notes 22 false false R23.htm 995211601 - Disclosure - COMMITMENTS AND CONTINGENCIES Sheet http://www.matson.com/role/DisclosureCommitmentsAndContingencies COMMITMENTS AND CONTINGENCIES Notes 23 false false R24.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 24 false false R25.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 25 false false R26.htm 99920202 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies) Sheet http://www.matson.com/role/DisclosureSignificantAccountingPoliciesPolicies SIGNIFICANT ACCOUNTING POLICIES (Policies) Policies 26 false false R27.htm 99930203 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables) Sheet http://www.matson.com/role/DisclosureSignificantAccountingPoliciesTables SIGNIFICANT ACCOUNTING POLICIES (Tables) Tables 27 false false R28.htm 99930303 - Disclosure - REPORTABLE SEGMENTS (Tables) Sheet http://www.matson.com/role/DisclosureReportableSegmentsTables REPORTABLE SEGMENTS (Tables) Tables http://www.matson.com/role/DisclosureReportableSegments 28 false false R29.htm 99930403 - Disclosure - INVESTMENT IN SSAT (Tables) Sheet http://www.matson.com/role/DisclosureInvestmentInSsatTables INVESTMENT IN SSAT (Tables) Tables http://www.matson.com/role/DisclosureInvestmentInSsat 29 false false R30.htm 99930503 - Disclosure - PROPERTY AND EQUIPMENT (Tables) Sheet http://www.matson.com/role/DisclosurePropertyAndEquipmentTables PROPERTY AND EQUIPMENT (Tables) Tables http://www.matson.com/role/DisclosurePropertyAndEquipment 30 false false R31.htm 99930603 - Disclosure - GOODWILL AND INTANGIBLE ASSETS (Tables) Sheet http://www.matson.com/role/DisclosureGoodwillAndIntangibleAssetsTables GOODWILL AND INTANGIBLE ASSETS (Tables) Tables http://www.matson.com/role/DisclosureGoodwillAndIntangibleAssets 31 false false R32.htm 99930703 - Disclosure - CAPITAL CONSTRUCTION FUND (Tables) Sheet http://www.matson.com/role/DisclosureCapitalConstructionFundTables CAPITAL CONSTRUCTION FUND (Tables) Tables http://www.matson.com/role/DisclosureCapitalConstructionFund 32 false false R33.htm 99930803 - Disclosure - DEBT (Tables) Sheet http://www.matson.com/role/DisclosureDebtTables DEBT (Tables) Tables http://www.matson.com/role/DisclosureDebt 33 false false R34.htm 99930903 - Disclosure - LEASES (Tables) Sheet http://www.matson.com/role/DisclosureLeasesTables LEASES (Tables) Tables http://www.matson.com/role/DisclosureLeases 34 false false R35.htm 99931003 - Disclosure - INCOME TAXES (Tables) Sheet http://www.matson.com/role/DisclosureIncomeTaxesTables INCOME TAXES (Tables) Tables http://www.matson.com/role/DisclosureIncomeTaxes 35 false false R36.htm 99931103 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) Sheet http://www.matson.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) Tables http://www.matson.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLoss 36 false false R37.htm 99931203 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) Sheet http://www.matson.com/role/DisclosureFairValueOfFinancialInstrumentsTables FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) Tables http://www.matson.com/role/DisclosureFairValueOfFinancialInstruments 37 false false R38.htm 99931303 - Disclosure - EARNINGS PER SHARE (Tables) Sheet http://www.matson.com/role/DisclosureEarningsPerShareTables EARNINGS PER SHARE (Tables) Tables http://www.matson.com/role/DisclosureEarningsPerShare 38 false false R39.htm 99931503 - Disclosure - PENSION AND POST-RETIREMENT PLANS (Tables) Sheet http://www.matson.com/role/DisclosurePensionAndPostRetirementPlansTables PENSION AND POST-RETIREMENT PLANS (Tables) Tables http://www.matson.com/role/DisclosurePensionAndPostRetirementPlans 39 false false R40.htm 99940101 - Disclosure - DESCRIPTION OF THE BUSINESS (Details) Sheet http://www.matson.com/role/DisclosureDescriptionOfBusinessDetails DESCRIPTION OF THE BUSINESS (Details) Details http://www.matson.com/role/DisclosureDescriptionOfBusiness 40 false false R41.htm 99940201 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - PREPAID EXPENSES AND OTHER ASSETS (Details) Sheet http://www.matson.com/role/DisclosureSignificantAccountingPoliciesPrepaidExpensesAndOtherAssetsDetails SIGNIFICANT ACCOUNTING POLICIES - PREPAID EXPENSES AND OTHER ASSETS (Details) Details 41 false false R42.htm 99940202 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - RECOGNITION OF REVENUES AND EXPENSES (Details) Sheet http://www.matson.com/role/DisclosureSignificantAccountingPoliciesRecognitionOfRevenuesAndExpensesDetails SIGNIFICANT ACCOUNTING POLICIES - RECOGNITION OF REVENUES AND EXPENSES (Details) Details 42 false false R43.htm 99940203 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - CAPITALIZED INTEREST (Details) Sheet http://www.matson.com/role/DisclosureSignificantAccountingPoliciesCapitalizedInterestDetails SIGNIFICANT ACCOUNTING POLICIES - CAPITALIZED INTEREST (Details) Details 43 false false R44.htm 99940204 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - DIVIDENDS AND OTHERS (Details) Sheet http://www.matson.com/role/DisclosureSignificantAccountingPoliciesDividendsAndOthersDetails SIGNIFICANT ACCOUNTING POLICIES - DIVIDENDS AND OTHERS (Details) Details 44 false false R45.htm 99940301 - Disclosure - REPORTABLE SEGMENTS (Details) Sheet http://www.matson.com/role/DisclosureReportableSegmentsDetails REPORTABLE SEGMENTS (Details) Details http://www.matson.com/role/DisclosureReportableSegmentsTables 45 false false R46.htm 99940401 - Disclosure - INVESTMENT IN SSAT (Details) Sheet http://www.matson.com/role/DisclosureInvestmentInSsatDetails INVESTMENT IN SSAT (Details) Details http://www.matson.com/role/DisclosureInvestmentInSsatTables 46 false false R47.htm 99940501 - Disclosure - PROPERTY AND EQUIPMENT (Details) Sheet http://www.matson.com/role/DisclosurePropertyAndEquipmentDetails PROPERTY AND EQUIPMENT (Details) Details http://www.matson.com/role/DisclosurePropertyAndEquipmentTables 47 false false R48.htm 99940601 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - GOODWILL (Details) Sheet http://www.matson.com/role/DisclosureGoodwillAndIntangibleAssetsGoodwillDetails GOODWILL AND INTANGIBLE ASSETS - GOODWILL (Details) Details 48 false false R49.htm 99940602 - Disclosure - GOODWILL AND INTANGIBLE ASSETS - INTANGIBLE ASSETS (Details) Sheet http://www.matson.com/role/DisclosureGoodwillAndIntangibleAssetsIntangibleAssetsDetails GOODWILL AND INTANGIBLE ASSETS - INTANGIBLE ASSETS (Details) Details 49 false false R50.htm 99940701 - Disclosure - CAPITAL CONSTRUCTION FUND - CCF CASH and CASH EQUIVALENTS, and INVESTMENT ACCOUNT (Details) Sheet http://www.matson.com/role/DisclosureCapitalConstructionFundCcfCashAndCashEquivalentsAndInvestmentAccountDetails CAPITAL CONSTRUCTION FUND - CCF CASH and CASH EQUIVALENTS, and INVESTMENT ACCOUNT (Details) Details 50 false false R51.htm 99940702 - Disclosure - CAPITAL CONSTRUCTION FUND - INVESTMENT MATURITY (Details) Sheet http://www.matson.com/role/DisclosureCapitalConstructionFundInvestmentMaturityDetails CAPITAL CONSTRUCTION FUND - INVESTMENT MATURITY (Details) Details 51 false false R52.htm 99940703 - Disclosure - CAPITAL CONSTRUCTION FUND (Details) Sheet http://www.matson.com/role/DisclosureCapitalConstructionFundDetails CAPITAL CONSTRUCTION FUND (Details) Details http://www.matson.com/role/DisclosureCapitalConstructionFundTables 52 false false R53.htm 99940801 - Disclosure - DEBT - SUMMARY (Details) Sheet http://www.matson.com/role/DisclosureDebtSummaryDetails DEBT - SUMMARY (Details) Details 53 false false R54.htm 99940802 - Disclosure - DEBT - REVOLVING CREDIT FACILITY (Details) Sheet http://www.matson.com/role/DisclosureDebtRevolvingCreditFacilityDetails DEBT - REVOLVING CREDIT FACILITY (Details) Details 54 false false R55.htm 99940803 - Disclosure - DEBT - MATURITIES (Details) Sheet http://www.matson.com/role/DisclosureDebtMaturitiesDetails DEBT - MATURITIES (Details) Details 55 false false R56.htm 99940901 - Disclosure - LEASES - COMPONENTS OF LEASE COST (Details) Sheet http://www.matson.com/role/DisclosureLeasesComponentsOfLeaseCostDetails LEASES - COMPONENTS OF LEASE COST (Details) Details 56 false false R57.htm 99940902 - Disclosure - LEASES - MATURITIES OF OPERATING LEASE LIABILITIES (Details) Sheet http://www.matson.com/role/DisclosureLeasesMaturitiesOfOperatingLeaseLiabilitiesDetails LEASES - MATURITIES OF OPERATING LEASE LIABILITIES (Details) Details 57 false false R58.htm 99941001 - Disclosure - INCOME TAXES - INCOME TAX EXPENSE (Details) Sheet http://www.matson.com/role/DisclosureIncomeTaxesIncomeTaxExpenseDetails INCOME TAXES - INCOME TAX EXPENSE (Details) Details 58 false false R59.htm 99941002 - Disclosure - INCOME TAXES - INCOME TAXES PAID, NET OF INCOME TAX REFUNDS BY JURISDICTION (Details) Sheet http://www.matson.com/role/DisclosureIncomeTaxesIncomeTaxesPaidNetOfIncomeTaxRefundsByJurisdictionDetails INCOME TAXES - INCOME TAXES PAID, NET OF INCOME TAX REFUNDS BY JURISDICTION (Details) Details 59 false false R60.htm 99941101 - Disclosure - ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) Sheet http://www.matson.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossDetails ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) Details http://www.matson.com/role/DisclosureAccumulatedOtherComprehensiveIncomeLossTables 60 false false R61.htm 99941201 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) Sheet http://www.matson.com/role/DisclosureFairValueOfFinancialInstrumentsDetails FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) Details http://www.matson.com/role/DisclosureFairValueOfFinancialInstrumentsTables 61 false false R62.htm 99941301 - Disclosure - EARNINGS PER SHARE (Details) Sheet http://www.matson.com/role/DisclosureEarningsPerShareDetails EARNINGS PER SHARE (Details) Details http://www.matson.com/role/DisclosureEarningsPerShareTables 62 false false R63.htm 99941401 - Disclosure - SHARE-BASED COMPENSATION (Details) Sheet http://www.matson.com/role/DisclosureShareBasedCompensationDetails SHARE-BASED COMPENSATION (Details) Details 63 false false R64.htm 99941501 - Disclosure - PENSION AND POST-RETIREMENT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) Sheet http://www.matson.com/role/DisclosurePensionAndPostRetirementPlansComponentsOfNetPeriodicBenefitCostDetails PENSION AND POST-RETIREMENT PLANS - COMPONENTS OF NET PERIODIC BENEFIT COST (Details) Details 64 false false All Reports Book All Reports matx-20260331.xsd matx-20260331_cal.xml matx-20260331_def.xml matx-20260331_lab.xml matx-20260331_pre.xml matx-20260331x10q.htm http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 true true