MSEX


Line plots across dimensions of each concept
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:StatementEquityComponents
us-gaap:SharesOutstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesAuthorized

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:RegulatedAndUnregulatedOperatingRevenue
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:OperatingExpenses

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments

us-gaap:InterestExpense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:StatementBusinessSegments

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:LiabilitiesCurrent

us-gaap:NotesPayableCurrent

us-gaap:LongTermDebtCurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedIncomeTaxesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:DebtInstrument

us-gaap:LongTermDebtNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:CommonStockValue

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:ProceedsFromIssuanceOfLongTermDebt
dei:LegalEntity

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:RepaymentsOfLongTermDebt

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

msex:ChangeInUnbilledRevenues

msex:CommercialOperatingRevenues

msex:CostOfTreatedWater

msex:CostOfUntreatedWater

msex:IndustrialOperatingRevenues

msex:InterSegmentEliminationOperatingRevenues

msex:NonregualtedContractOperationsRevenue

msex:OperationsAndMaintenance

msex:OtherNonregulatedRevenues

msex:ResidentialCommercialIndustrialAndFireProtectionRevenue

msex:ResidentialOperatingRevenues

msex:WholesaleMunicipalRevenue

us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:ContributionOfProperty
us-gaap:StatementClassOfStock
us-gaap:ConvertiblePreferredDividendsNetOfTax

us-gaap:CostOfPurchasedWater
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStockCash
us-gaap:StatementEquityComponents

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInDeferredRevenue

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories
us-gaap:StatementClassOfStock
us-gaap:IncrementalCommonSharesAttributableToConversionOfPreferredStock

us-gaap:InterestPaidCapitalized

us-gaap:InterestPaidNet

us-gaap:LeaseAndRentalExpense

us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod

us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod
us-gaap:PurchaseCommitmentExcludingLongtermCommitment
us-gaap:LongTermPurchaseCommitmentMinimumQuantityRequired

us-gaap:NumberOfReportableSegments

us-gaap:PaymentsOfDebtIssuanceCosts

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsOfStockIssuanceCosts
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementBenefitContributions

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
us-gaap:RegulatoryAgency, dei:LegalEntity
us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount

us-gaap:RegulatedOperatingRevenueOther

us-gaap:StockIssuedDuringPeriodSharesDividendReinvestmentPlan
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityOther
us-gaap:StatementEquityComponents

us-gaap:TaxesOther

msex:AccumulatedDeferredIncomeTaxes

msex:ConstructionAdvances
dei:LegalEntity
msex:ConstructionLoanMaximumBorrowingCapacity
us-gaap:LineOfCreditFacility
us-gaap:LongtermDebtType

msex:DeferredChargesAndOtherAssets
us-gaap:FairValueByMeasurementBasis
msex:FirstMortgageBondsFairValueDisclosure

msex:NonUtilityAssetsNet
us-gaap:RegulatoryAgency, dei:LegalEntity
msex:OtherLoanSourceMaximumBorrowingCapacity

msex:PreliminarySurveyAndInvestigationCharges
us-gaap:TaxPeriod
msex:ReserveProvision

msex:RightOfUseAssetsAccumulatedAmortization

msex:RightOfUseAssetsCurrent

msex:TotalCommonEquity
us-gaap:StatementEquityComponents

us-gaap:CapitalizationLongtermDebtAndEquity

us-gaap:ContributionsInAidOfConstruction

us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtInstrumentUnamortizedPremium

us-gaap:DeferredRevenueCurrent

us-gaap:GuarantyLiabilities

us-gaap:InterestPayableCurrent

us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
us-gaap:LineOfCreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:LineOfCreditFacility
us-gaap:SubsequentEventType

us-gaap:OperatingLeaseLiability

us-gaap:OtherLongTermDebt

us-gaap:OtherLongTermDebtCurrent

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesOutstanding
us-gaap:StatementClassOfStock

us-gaap:PreferredStockValue
us-gaap:StatementClassOfStock

us-gaap:PrepaidExpenseCurrent

us-gaap:PublicUtilitiesInventory

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution

us-gaap:RegulatoryAssetsNoncurrent

us-gaap:RegulatoryLiabilityNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:UnbilledReceivablesCurrent

Tables

  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ███▃▂▂▁▁▁▁▁▁▁▁216.365215.6215.125170.562165.138160.142157.354156.741156.251155.58155.12154.626154.075153.506
 us-gaap:SharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStock███▃▂▂▁▁▁▁▁17.46417.43917.43416.6716.55416.45116.40316.39816.39216.35816.352NANANA
us-gaap:CommonStockSharesOutstanding ███▃▃▂▂▂▂▁▁▁▁▁17.46417.43917.43416.6716.55416.45116.40316.39816.39216.35816.35216.34516.33616.303
us-gaap:CommonStockSharesAuthorized ▄▄▄▄▄▄▄▄▄▄▄▄▄▄40.040.040.040.040.040.040.040.040.040.040.040.040.040.0
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding █▁17.57717.552NA16.75716.67516.584NA16.5516.54416.51NA16.49616.4880.016455
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁17.46217.437NA16.6116.51916.428NA16.39416.38816.354NA16.3416.3320.016299
us-gaap:EarningsPerShareBasic ▅▃▄▇▄▃▃█▅▁▂▄▂▁0.550.440.460.670.490.40.430.750.530.270.320.470.330.27
us-gaap:EarningsPerShareDiluted ▅▄▄▇▄▃▃█▅▁▂▄▂▁0.550.440.460.660.490.390.430.740.520.270.320.460.330.27
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax ▅▂▃▇▄▁▄█▅▂▂▆▃▁35.24131.73332.70237.73533.35830.66333.23138.6834.88631.14331.41736.14232.98230.092
us-gaap:RegulatedAndUnregulatedOperatingRevenue ▅▂▃▇▄▁▄█▅▂▂▆▃▁35.27731.76932.73837.76933.39330.69833.26838.71334.91931.17731.45636.17433.01430.131
us-gaap:OperatingExpenses █▆▆▇▅▃█▇▄▆▂▃▃▁25.89225.24225.18125.78624.44323.6726.11525.79524.19824.82722.98523.36823.45122.351
us-gaap:OperatingIncomeLoss ▄▁▂▇▄▂▂█▆▁▃█▄▃9.3856.5277.55911.9838.957.0287.15312.91810.7216.358.47112.8069.5637.78
us-gaap:InterestExpense ▆▅█▆▅▂▆▅▇▂▄▄▄▁1946000.01669000.02280000.01996000.01788000.01200000.01829000.01723000.02068000.01138000.01541000.01493000.01469000.01003000.0
us-gaap:OtherNonoperatingIncomeExpense ▅▆▁▄▃▃▅▆▇▅█▄▄▄334000.0385000.0-512000.0-4000.0-80000.0-57000.0353000.0409000.0571000.0297000.0846000.043000.047000.06000.0
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▂▁▇▃▂▂█▅▁▃▇▄▂8.5686.3665.88210.8547.7256.2866.23412.0289.4385.6767.18311.538.2996.897
us-gaap:NonoperatingIncomeExpense ▆█▃▅▃▃▅▅▄▃▂▁▁▁1129000.01508000.0604000.0867000.0563000.0458000.0910000.0833000.0785000.0464000.0253000.0217000.0205000.0120000.0
us-gaap:IncomeTaxExpenseBenefit ▂▂▁▃▃▃▃▃▄▅▆█▇▆-1.145-1.302-2.188-0.265-0.421-0.266-0.759-0.2620.7631.1821.8373.8882.9182.456
us-gaap:IncomeTaxesPaidNet ▂▁▆▂█▂▃▃0.3750.0023.5870.915.0270.8151.4981.202NANA1.2920.748NANA
us-gaap:NetIncomeLoss ▆▄▄▇▄▃▃█▅▁▂▄▂▁9.7137.6688.07111.1198.1466.5526.99312.298.6754.4945.3457.6425.3814.441
us-gaap:PreferredStockDividendsIncomeStatementImpact ▁▁▁▁██████████30000.030000.030000.030000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.0
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▄▄▇▄▃▃█▅▁▂▄▂▁9.6837.6388.0411.0898.116.5166.95712.2548.6394.4585.317.6065.3454.405
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted 9.7NA8.05711.1068.1336.5396.9812.2778.6624.4815.3337.6295.3684.428
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 Operating Margin us-gaap:StatementBusinessSegments us-gaap:RegulatedOperation▆▃▄█▄▂▃█▅▂▂▆▃▁32289000.028937000.029736000.035000000.030444000.027898000.028899000.034628000.031168000.027206000.027431000.032252000.029278000.026493000.0
 Operating Margin us-gaap:StatementBusinessSegments us-gaap:UnregulatedOperation▂▁▂▁▂▁█▇▅▆▇▆▅▅3180000.02961000.03145000.03020000.03087000.02925000.04492000.04304000.03882000.04100000.04157000.04142000.03863000.03750000.0
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ██▇▇▅▄▄▄▃▃▂▂▁▁950.87935.316909.878887.353807.571782.973767.83752.798729.744705.002661.14651.919638.73627.261
us-gaap:LiabilitiesAndStockholdersEquity ██▇▇▅▄▄▄▃▃▂▂▁▁950.87935.316909.878887.353807.571782.973767.83752.798729.744705.002661.14651.919638.73627.261
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AssetsCurrent █▇▂▅▄▃▃▅▃▁▃▃▃▂43.98940.0129.13334.71132.28329.6530.81535.37231.05925.16329.24730.08829.71927.008
us-gaap:CashAndCashEquivalentsAtCarryingValue ▇█▁▂▂▃▂▂▁▁▃▁▂▃13.19615.4192.233.1512.994.9863.7053.5792.6731.9944.9372.7013.6895.592
us-gaap:AccountsReceivableNetCurrent ▇▄▆█▅▃▅█▄▃▄▅▃▁12.61910.82311.90813.40711.7569.98211.76213.54411.0119.9710.78511.739.9538.846
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:OperatingLeaseRightOfUseAsset ▁▂▄▅▇█5573000.05757000.05944000.06133000.06323000.06517000.0NANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▆▇▇████▁▂▁▁▁▁▂1408000.01837000.01899000.01954000.01983000.02010000.02093000.094000.0435000.0148000.0177000.0196000.0226000.0252000.0
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LiabilitiesCurrent ▆▅▃██▇▇▇▅▃▃▂▂▁84.29480.53964.981103.475102.53293.24694.36394.4181.57564.02664.53759.01255.41749.503
us-gaap:NotesPayableCurrent ▅▄▂██▆▆▆▅▃▃▃▁▁37.533.520.058.559.449.548.548.539.027.528.024.517.014.5
us-gaap:LongTermDebtCurrent █▇▇▇████▇▆▅▃▁▁7.347.1717.1787.1617.3537.3367.3437.3277.2366.9826.8656.5476.1646.148
us-gaap:AccountsPayableCurrent ▇██▆▅▃▆▆▄▂▃▂▄▁22.80324.11623.30620.17818.05613.97619.32519.53516.41311.01413.92912.11315.0458.987
us-gaap:AccruedIncomeTaxesCurrent ▃▄▁▄▄█▆▆▆▆▄▄▅▇10.10611.1657.63512.13212.3917.46614.2314.81814.714.60311.41811.88113.13716.11
us-gaap:OtherLiabilitiesCurrent ▆▃██▅▇▄▄▁▃▂▄▁▃3124000.02515000.03620000.03657000.03007000.03356000.02640000.02646000.01993000.02459000.02281000.02618000.02026000.02425000.0
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:LongTermDebt ██▇▇▃▃▂▂▂▁▁▁▁▁241.83238.466234.397231.82173.634168.466162.904151.104151.276149.005147.852144.294144.421144.1
us-gaap:LongTermDebtNoncurrent ███▇▃▃▂▁▁▁▁▁▁▁237.939234.789230.777228.272163.574158.422152.851141.083142.129140.061139.045135.806136.429136.156
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▆▆▆▁▂▃▃▆▇▇█▆▆▇33.73134.15734.67127.82629.3129.97630.66133.88235.12836.04136.68633.54434.65135.738
us-gaap:OtherLiabilitiesNoncurrent ▇▇▇▇▇▇█▁▁▁▂▂▂▂2480000.02500000.02546000.02567000.02612000.02530000.02730000.01199000.01250000.01250000.01315000.01348000.01378000.01410000.0
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ███▃▂▂▁▁▁▁▁▁▁▁216.365215.6215.125170.562165.138160.142157.354156.741156.251155.58155.12154.626154.075153.506
us-gaap:RetainedEarningsAccumulatedDeficit █▇▇▆▅▅▄▄▃▂▂▂▁▁117.008111.8108.667105.23398.14694.091.43388.41379.82674.85474.05572.40368.24966.354
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▆▅▁▃▆▇▅▄▇▄▅▅4.68116.13812.70511.7283.9567.66413.00113.6410.2428.98114.1948.47810.08210.089
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▂▁▂▃▇▃▄▅█▅▆▇█-20270000.0-25147000.0-27905000.0-25522000.0-23374000.0-12324000.0-22576000.0-21141000.0-18366000.0-10011000.0-16152000.0-14005000.0-11588000.0-9577000.0
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▂█▃▂▂▂▂▁▂▂▁▁4.4215.8114.62166.71216.795.7879.7017.20611.182-2.5954.1944.539-0.3971.201
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█-11.1696.802NANA-2.6281.127NANANANANANANANA
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁█▆▅▁▃▆▇▅▄▇▄▅▅4.68116.13812.70511.7283.9567.66413.00113.6410.2428.98114.1948.47810.08210.089
us-gaap:NetIncomeLoss ▆▄▄▇▄▃▃█▅▁▂▄▂▁9.7137.6688.07111.1198.1466.5526.99312.298.6754.4945.3457.6425.3814.441
us-gaap:DepreciationDepletionAndAmortization ██▅▅▄▄▃▃▃▂▄▂▁▁5.1965.1084.3744.4034.2654.194.0373.954.0223.7714.1693.793.4763.411
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▃▆█▁▆▄▅▃▅▄▆▇▆-653000.0-1187000.0106000.0939000.0-2075000.0164000.0-690000.0-498000.0-1105000.0-296000.0-605000.064000.0723000.0-13000.0
us-gaap:IncreaseDecreaseInAccountsReceivable ▇▂▁▇▇▁▁█▆▃▂▇▆▂1796000.0-1085000.0-1499000.01651000.01774000.0-1780000.0-1782000.02533000.01041000.0-815000.0-945000.01777000.01107000.0-1283000.0
us-gaap:DeferredIncomeTaxExpenseBenefit ▁▁▁▁▂▂▂▂▂▅▄█▇▅-3.776-3.43-3.34-3.304-2.756-2.319-2.749-3.215-2.8770.117-0.453.9993.3781.017
us-gaap:ShareBasedCompensation █▅▆▁█▆▇▆▇▅▅▆▆▅470000.0162000.0228000.0-294000.0474000.0229000.0327000.0222000.0362000.0173000.0167000.0236000.0277000.0160000.0
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▄▂▁▂▃▇▃▄▅█▅▆▇█-20270000.0-25147000.0-27905000.0-25522000.0-23374000.0-12324000.0-22576000.0-21141000.0-18366000.0-10011000.0-16152000.0-14005000.0-11588000.0-9577000.0
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▁█20.2725.147NA25.52223.37412.324NA21.14118.36610.011NA14.0051.5889.577
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▂█▃▂▂▂▂▁▂▂▁▁4.4215.8114.62166.71216.795.7879.7017.20611.182-2.5954.1944.539-0.3971.201
us-gaap:ProceedsFromIssuanceOfLongTermDebt ▂▂▁█▂▂▃▂▂▂▂▂▁▂4.3235.398-3.47969.2296.3186.89912.8113.6983.2742.2934.5552.9211.3092.738
us-gaap:RepaymentsOfLongTermDebt ▁▂▁█▁▂▁█▁▁▁▆▁▁0.9581.331.0283.9591.0191.3371.0113.8691.0031.1410.9963.0480.9891.126
us-gaap:PaymentsOfDividendsCommonStock ██▇▅▅▄▄▃▃▂▂▁▁▁4.4744.4684.2723.9873.9633.9433.9373.6683.6663.6593.6583.4513.453.443
  2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:RepaymentsOfLongTermDebt ▁▂▁█▁▂▁█▁▁▁▆▁▁0.9581.331.0283.9591.0191.3371.0113.8691.0031.1410.9963.0480.9891.126

Common Stock Value

us-gaap:CommonStockValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value216215215170165160157156156155155154154153153152152151150150149149148148147146146145144144143143142142141141140139
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.823.123.619.220.420.520.520.821.422.123.523.724.124.524.724.925.325.825.824.925.525.725.827.327.427.627.626.326.226.425.626.126.226.526.327.828.028.5

Shares Outstanding

us-gaap:StatementEquityComponents

us-gaap:SharesOutstanding

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value1717171616161616161616160.0162250.0161240.0159631515151313
Percentage of SharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value17171716161616161616161616161616160.01624161616161616161515151515150.0157520.015731515150.0156110.015566
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value40404040404040404040404040404040400.04404040404040404040404040400.040.044040400.040.04
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value171716161616161616160.01645516160.01638916161616161616161616150.015955150.0158610.015839150.014235
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value171716161616161616160.01629916160.01623316161616161515151515150.015692150.0155980.015576150.013972
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.550.440.460.670.490.40.430.750.530.270.320.470.330.270.20.540.360.290.290.410.310.220.230.420.290.20.20.360.280.20.170.390.230.110.120.330.230.170.150.370.31
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.550.440.460.660.490.390.430.740.520.270.320.460.330.270.190.540.360.290.280.410.310.220.220.420.290.20.190.360.280.20.170.380.230.110.120.320.230.170.160.360.31
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3531323733303338343131363230
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Regulated And Unregulated Operating Revenue

us-gaap:RegulatedAndUnregulatedOperatingRevenue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value3531323733303338343131363330313732303034312828322927273129272732272323282623242926
Percentage of RegulatedAndUnregulatedOperatingRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.1100.1100.1100.1100.1100.1100.1100.1100.1100.1100.1100.1100.1100.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-0.192-0.129-0.142-0.251-0.138-0.125-0.123-0.219-0.131-0.129-0.132-0.22-0.127-0.112-0.115-0.144-0.136-0.104-0.117-0.116-0.11-0.117-0.121-0.169
Percentage of RegulatedAndUnregulatedOperatingRevenue-0.5-0.4-0.4-0.7-0.4-0.4-0.4-0.6-0.4-0.4-0.4-0.6-0.4-0.4-0.4-0.4-0.4-0.3-0.4-0.3-0.3-0.4-0.4-0.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-0.5-0.4-0.4-0.7-0.4-0.4-0.4-0.6-0.4-0.4-0.4-0.6-0.4-0.40.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:IntersegmentElimination0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value32282935302728343127273229262833282627312724242925232327252323292420202623
Percentage of RegulatedAndUnregulatedOperatingRevenue91.591.190.892.791.290.986.989.489.387.387.289.288.787.988.789.988.288.188.189.888.386.588.489.888.187.087.089.488.186.687.389.989.288.689.291.689.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax91.691.290.992.891.391.087.089.589.387.487.389.288.888.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RegulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnregulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3.182.9613.1453.023.0872.9254.4924.3043.8824.14.1574.1423.8633.753.7033.9494.0023.7343.7933.653.8043.9923.3913.4923.6243.6373.6763.473.583.7363.5633.4413.0892.7582.5852.6052.774
Percentage of RegulatedAndUnregulatedOperatingRevenue9.09.39.68.09.29.513.511.111.113.213.211.511.712.411.610.412.212.212.310.512.013.912.110.712.413.413.411.112.313.813.210.611.311.711.19.110.6
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax9.09.39.68.09.39.513.511.111.113.213.211.511.712.50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:UnregulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Expenses

us-gaap:OperatingExpenses



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2525252524232625242422232322232322222223222220212021202120212121201919201919191918
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax73.579.577.068.373.377.278.666.769.479.773.264.771.174.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.3856.5277.559118.957.0287.15312106.358.471129.5637.787.84614108.3028.46119.2356.6858.058118.7475.9676.664108.1715.8655.717107.213.8774.1798.5166.7384.7685.393107.894
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.620.623.131.826.822.921.533.430.720.427.035.429.025.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value8.6395.8436.868117.9036.0346.3129.9885.6257.757128.8777.227.261139.6947.7337.829108.6726.1657.415118.1435.4046.0459.6857.6785.3385.146106.8783.5033.8678.2416.317
Percentage of OperatingIncomeLoss92.189.590.991.888.385.988.194.693.288.691.694.592.892.892.595.593.993.192.595.493.992.292.095.093.190.690.794.394.091.090.096.195.490.492.596.893.8
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax24.518.421.029.223.719.719.031.628.618.124.733.526.924.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RegulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnregulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.7460.6840.690.9821.0470.9940.8530.7040.7330.7250.7140.7080.6860.560.5860.640.6340.5690.6330.5220.5630.520.6440.5810.6040.5630.6190.5850.4930.5270.5710.4260.3320.3740.3120.2750.421
Percentage of OperatingIncomeLoss7.910.59.18.211.714.111.95.46.811.48.45.57.27.27.54.56.16.97.54.66.17.88.05.06.99.49.35.76.09.010.03.94.69.67.53.26.2
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2.12.22.12.63.13.22.61.82.12.32.32.02.11.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:UnregulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Expense

us-gaap:InterestExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1946000.01669000.02280000.01996000.01788000.01200000.01829000.01723000.02068000.01138000.01541000.01493000.01469000.01003000.01452000.01427000.01436000.0978000.01496000.01505000.01496000.01058000.01473000.01516000.01515000.01103000.01573000.01541000.01538000.01155000.01784000.01808000.01779000.01354000.01745000.01703000.01714000.01214000.01800000.01819000.01882000.0
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax5.55.37.05.35.43.95.54.55.93.74.94.14.53.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-302014-09-30
Value334000.0385000.0-512000.0-4000.0-80000.0-57000.0353000.0409000.0571000.0297000.0846000.043000.047000.06000.0-1600000.0400000.025000.048000.0108000.05000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.91.2-1.6-0.0-0.2-0.21.11.11.61.02.70.10.10.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value8.5686.3665.882107.7256.2866.234129.4385.6767.183118.2996.8974.697139.0297.4156.854107.8675.6825.993107.2784.9224.8498.8596.7114.8354.1399.247
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax24.320.118.028.823.220.518.831.127.118.222.931.925.222.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1129000.01508000.0604000.0867000.0563000.0458000.0910000.0833000.0785000.0464000.0253000.0217000.0205000.0120000.0-1698000.0607000.0137000.091000.0-112000.0221000.0128000.055000.0-593000.085000.046000.058000.0-242000.0130000.078000.0125000.0206000.0212000.0251000.0188000.0585000.0974000.0288000.0302000.0308000.0186000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax3.24.81.82.31.71.52.72.22.31.50.80.60.60.40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-1.145-1.302-2.188-0.265-0.421-0.266-0.759-0.2620.7631.1821.8373.8882.9182.4561.4774.5233.112.6252.2933.4332.7782.0462.2023.4312.551.7531.6813.0522.231.6581.4133.1091.9570.9040.972.6441.6871.2261.2912.6522.092
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-3.2-4.1-6.7-0.7-1.3-0.9-2.3-0.72.23.85.810.88.88.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312014-09-302013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.3750.0023.5870.915.0270.8151.4981.2021.2920.7481.7180.883.130.0010.2550.2352.1281.561.841.9792.061.131.036
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.10.011.02.415.12.74.53.14.12.10.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value9.7137.6688.071118.1466.5526.993128.6754.4945.3457.6425.3814.4413.228.8135.9194.794.566.7435.0893.6363.796.7584.7283.1693.1685.8074.4813.1772.7266.1383.7251.807
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax27.624.224.729.524.421.421.031.824.914.417.021.116.314.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value9.1927.1817.902107.4235.8686.501118.1513.9835.1067.2324.9724.1394.1278.1545.5834.4924.2366.4664.8093.3773.4966.4584.4162.8812.8565.5054.2352.912.435.926
Percentage of NetIncomeLoss94.693.697.993.691.189.693.095.894.088.695.594.692.493.2128.292.594.393.892.995.994.592.992.295.693.490.990.294.894.591.689.196.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.122.624.227.622.319.119.630.423.412.816.320.015.113.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RegulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnregulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.5210.4870.1680.710.7230.6840.4920.520.5240.5110.240.410.4090.302-0.9070.6590.3360.2980.3250.2770.280.2590.2950.30.3120.2880.3120.3020.2460.2670.2960.212
Percentage of NetIncomeLoss5.46.42.16.48.910.47.04.26.011.44.55.47.66.8-28.27.55.76.27.14.15.57.17.84.46.69.19.85.25.58.410.93.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.51.50.51.92.22.21.51.31.51.60.81.11.21.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:UnregulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.7137.6688.07118.1466.5526.993128.6754.494
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax27.624.224.729.524.421.421.031.824.914.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.0

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value30000.030000.030000.030000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.043000.043000.044000.051000.052000.051000.052000.051000.052000.051000.052000.051000.052000.051000.052000.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value9.6837.6388.04118.116.5166.957128.6394.4585.317.6065.3454.4053.1848.7775.8834.7544.5256.7075.0533.63.7556.7224.6923.1263.1255.7634.433.1252.6756.0863.6741.7551.9985.0913.5742.5782.5595.6844.372
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax27.524.124.629.424.321.320.931.724.814.316.921.016.214.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted



Period End2020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value9.78.057118.1336.5396.98128.6624.4815.3337.6295.3684.4283.2078.85.9064.7774.5486.735.0763.6233.7786.7454.7153.1563.1555.7934.4683.1632.7136.1243.7121.7932.0365.1293.612
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax27.524.629.424.421.321.031.724.814.417.021.116.314.70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value950935909887807782767752729705661651638627620612600585584603586579575542538530530553552546561548545536537507502489
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ConsolidationItems

us-gaap:IntersegmentElimination



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value-12.9831.462-9.889-8.52-8.543-6.431-5.913-8.461-9.667-7.474-7.769-9.101-10.677-9.257-5.999-5.999-4.199-4.199-6.374-4.364-6.334
Percentage of Assets-1.40.2-1.1-1.0-1.1-0.8-0.8-1.1-1.3-1.1-1.2-1.4-1.7-1.5-1.0-1.0-0.7-0.7-1.1-0.7-1.1
Percentage of Assets-1.40.2-1.1-1.0-1.1-0.8-0.8-1.1-1.3-1.1-1.2-1.4-1.7-1.5-1.0-1.0-0.7-0.7-1.1-0.7-1.1
Percentage of Assets us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value953924910886807780764754732705661654642629619611597582584600582578574540537529529555551545560546544539
Percentage of Assets100.398.8100.099.999.999.799.6100.2100.4100.1100.1100.4100.6100.4100.099.899.599.4100.099.699.499.799.899.799.899.899.8100.499.799.899.799.899.9100.4
Percentage of Assets100.398.8100.099.999.999.799.6100.2100.4100.1100.1100.4100.6100.4100.099.899.599.4100.099.699.499.799.899.799.899.899.8100.499.799.899.799.899.9100.4
Percentage of Assets us-gaap:RegulatedOperation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnregulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value109.3789.6869.5939.0939.0878.9946.956.8196.9877.0936.7726.6816.856.2457.0477.3987.7546.4366.9918.158.057.2528.2627.8319.0338.8878.106111111111010
Percentage of Assets1.11.01.11.11.11.21.20.90.91.01.11.01.01.11.01.21.21.31.11.21.41.41.31.51.51.71.71.52.12.02.12.12.01.9
Percentage of Assets1.11.01.11.11.11.21.20.90.91.01.11.01.01.11.01.21.21.31.11.21.41.41.31.51.51.71.71.52.12.02.12.12.01.9
Percentage of Assets us-gaap:UnregulatedOperation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value950935909887807782767752729705661651638627620612600585584603586579575542538530530553552546561548545536537507489
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets Current

us-gaap:AssetsCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value4340293432293035312529302927263028242430292522282825252726252425231922272522
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.64.33.23.94.03.84.04.74.33.64.44.64.74.34.35.04.74.24.25.15.04.44.05.35.34.84.94.94.74.64.44.74.33.64.35.55.14.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value13152.233.1512.994.9863.7053.5792.6731.9944.9372.7013.6895.5923.8791.4531.2293.6463.4694.6515.7745.0462.6735.0525.0715.9024.8342.9372.9924.5083.0251.7982.7270.8543.1064.1344.2832.4532.4533.094.0384.2783.288
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.60.20.40.40.60.50.50.40.30.70.40.60.90.60.20.20.60.60.81.00.90.50.90.91.10.90.50.50.80.50.30.50.20.60.80.90.00.50.00.00.00.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value12101113119.9821113119.9710119.9538.8461013109.531012101010111110111211111213101011131011
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.31.21.31.51.51.31.51.81.51.41.61.81.61.41.62.21.81.61.72.11.81.81.72.12.12.02.22.32.12.12.22.41.92.02.12.62.12.4

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5573000.05757000.05944000.06133000.06323000.06517000.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.70.70.80.8

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1408000.01837000.01899000.01954000.01983000.02010000.02093000.094000.0435000.0148000.0177000.0196000.0226000.0252000.0293000.0311000.0343000.0341000.0385000.0433000.0453000.0483000.0518000.0683000.0703000.0714000.0727000.0731000.0390000.0408000.0448000.0432000.0594000.0647000.0630000.0622000.0579000.0387000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.30.30.00.10.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1

Liabilities Current

us-gaap:LiabilitiesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value848064103102939494816464595549474439302846494343565452525252515549484546484340
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.98.67.111.712.711.912.312.511.29.19.89.18.77.97.67.36.55.24.87.88.47.57.610.410.19.99.99.59.49.510.09.18.98.68.79.58.78.3

Notes Payable Current

us-gaap:NotesPayableCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value37332058594948483927282417141213102.03.018181519302827283027
Percentage of NotesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.93.62.26.67.46.36.36.45.33.94.23.82.72.31.92.21.70.30.53.03.12.63.35.65.25.25.45.55.0

Long Term Debt Current

us-gaap:LongTermDebtCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value7.347.1717.1787.1617.3537.3367.3437.3277.2366.9826.8656.5476.1646.1486.1596.1445.8695.6915.7395.7255.6926.0925.915.6345.525.3775.3865.3735.2855.122115.0644.9964.7394.5694.5644.4484.432
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.80.80.90.91.01.01.01.01.01.01.01.01.01.01.01.01.00.91.01.11.01.01.01.01.01.01.00.92.00.90.90.90.80.90.90.9

Accounts Payable Current

us-gaap:AccountsPayableCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value222423201813191916111312158.98712109.5896.56.5258.6098.9256.9546.3547.1936.6755.5956.3284.3745.1334.5263.8084.2424.7974.8265.7065.7895.7046.403
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.62.62.32.21.82.52.62.21.62.11.92.41.42.01.71.61.11.11.41.51.21.11.31.21.11.20.80.90.80.70.80.90.91.11.11.11.3

Accrued Income Taxes Current

us-gaap:AccruedIncomeTaxesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value10117.635121217141414141111131612109.439129.1261112128.948109.952118.1329.2249.796119.2669.249.252107.847109.2378.752
Percentage of AccruedIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.20.81.41.52.21.92.02.02.11.71.82.12.62.01.71.62.21.61.92.12.21.61.91.82.11.51.71.82.11.61.71.71.91.52.11.81.8

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value3124000.02515000.03620000.03657000.03007000.03356000.02640000.02646000.01993000.02459000.02281000.02618000.02026000.02425000.02162000.02403000.01735000.02159000.01945000.01946000.02318000.01752000.01687000.01518000.02399000.01563000.02394000.01673000.01950000.01416000.02067000.01489000.01875000.01400000.01953000.01412000.01691000.0
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.40.40.40.40.30.40.30.30.30.40.30.40.30.40.30.40.30.30.40.30.30.30.40.30.50.30.40.30.40.30.30.30.40.30.3

Long Term Debt

us-gaap:LongTermDebt



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value241238234231173168162151151149147144144144142138138138140139139142140132135132133133133130131132135131132132133
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.425.525.826.121.521.521.220.120.721.122.422.122.623.023.022.723.123.724.023.123.924.524.324.525.224.925.124.224.223.923.424.224.824.624.626.227.4

us-gaap:DebtInstrument

msex:FirstMortgage10



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.6210.6210.6320.6330.710.710.7230.7230.7990.7990.8130.8130.8870.8870.9030.9030.9760.9760.9930.9931.0641.0641.0831.0831.1521.1521.1711.1711.262
Percentage of LongTermDebt0.30.30.30.30.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.70.80.70.80.80.80.90.90.91.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage11



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.710.710.710.710.7950.7950.7950.7950.880.880.880.880.960.960.960.961.021.021.31.31.391.391.391.391.4751.4751.4751.4751.56
Percentage of LongTermDebt0.30.30.30.30.50.50.50.50.60.60.60.60.70.70.70.70.70.70.90.91.01.01.01.01.11.11.11.11.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.3
Percentage of Assets msex:FirstMortgage110.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage12



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.4160.4160.4290.4290.5060.5060.520.520.5940.5940.610.610.6830.6830.70.70.7710.7710.7890.7890.8610.8610.8810.8810.950.950.9710.9711.06
Percentage of LongTermDebt0.20.20.20.20.30.30.30.30.40.40.40.40.50.50.50.50.60.60.60.60.60.60.60.70.70.70.70.70.8
Percentage of Assets0.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage120.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage13



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.5880.5880.5880.5880.6710.6710.6710.6710.750.750.750.750.8240.8240.8240.8240.9040.9041.011.011.091.091.091.091.1651.1651.1651.1651.235
Percentage of LongTermDebt0.20.20.30.30.40.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.80.80.80.80.90.90.90.90.9
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage130.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage14



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.790.7910.8070.8070.880.880.8980.8980.9690.9690.9880.9881.0581.0581.0781.0781.1461.1461.1671.1671.2331.2331.2551.2551.3221.3221.3461.3461.435
Percentage of LongTermDebt0.30.30.30.30.50.50.60.60.60.70.70.70.70.70.80.80.80.80.80.80.90.90.90.91.01.01.01.01.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.20.3
Percentage of Assets msex:FirstMortgage140.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage15



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.9280.9280.9280.9281.011.011.011.011.0951.0951.0951.0951.1751.1751.1751.1751.251.3651.3651.3651.4351.4351.4351.4351.5051.5051.5051.5051.57
Percentage of LongTermDebt0.40.40.40.40.60.60.60.70.70.70.70.80.80.80.80.80.91.01.01.01.01.01.01.11.11.11.11.11.2
Percentage of Assets0.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.3
Percentage of Assets msex:FirstMortgage150.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage16



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.0031.0031.0371.0371.1031.1031.1371.1371.2031.2031.2371.2371.3041.3041.3371.3371.4041.4041.4371.4371.5041.5041.5371.5371.6041.6041.6371.6371.801
Percentage of LongTermDebt0.40.40.40.40.60.70.70.80.80.80.80.90.90.90.91.01.01.01.01.01.11.11.11.21.21.21.21.21.4
Percentage of Assets0.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.3
Percentage of Assets msex:FirstMortgage160.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage17



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.191.191.191.191.2851.4151.4151.4151.5051.5051.5051.5051.591.591.591.591.6751.6751.6751.6751.7551.7551.7551.7551.8351.8351.8351.8351.91
Percentage of LongTermDebt0.50.50.50.50.70.80.90.91.01.01.01.01.11.11.11.11.21.21.21.21.31.21.31.31.41.41.41.41.5
Percentage of Assets0.10.10.10.10.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.3
Percentage of Assets msex:FirstMortgage170.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage18



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.7561.7561.8061.8061.9061.9061.9561.9572.0572.0572.1072.1072.2072.2072.2582.2582.3582.3582.4082.4082.5082.5082.5592.5592.6592.6592.7092.7092.86
Percentage of LongTermDebt0.70.70.80.81.11.11.21.31.41.41.41.51.51.51.61.61.71.71.71.71.81.81.81.92.02.02.02.02.2
Percentage of Assets0.20.20.20.20.20.20.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.40.50.50.50.50.50.5
Percentage of Assets msex:FirstMortgage180.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage19



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.660.660.660.660.70.70.70.70.740.740.740.740.780.780.780.780.8150.8150.8150.8150.850.850.850.850.8850.8850.8850.8850.915
Percentage of LongTermDebt0.30.30.30.30.40.40.40.50.50.50.50.50.50.50.50.60.60.60.60.60.60.60.60.60.70.70.70.70.7
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage190.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage23



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value1.9061.9061.9571.9572.0572.0572.1072.1072.2082.2082.2582.2582.3582.3582.4082.4082.5082.5092.5592.5592.6592.6592.7092.7092.8092.8092.862.86
Percentage of LongTermDebt0.80.80.80.81.21.21.31.41.51.51.51.61.61.61.71.71.81.81.81.81.91.91.92.02.12.12.12.1
Percentage of Assets0.20.20.20.20.30.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.50.50.50.50.50.50.50.5
Percentage of Assets msex:FirstMortgage230.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage24



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value0.7550.7550.7550.7550.80.80.80.80.8450.8450.8450.8450.890.890.890.890.9350.9350.9350.9350.9750.9750.9750.9751.0151.0151.0151.015
Percentage of LongTermDebt0.30.30.30.30.50.50.50.50.60.60.60.60.60.60.60.60.70.70.70.70.70.70.70.70.70.80.80.8
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage240.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage25



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value1.9561.9562.0042.0032.0992.12.1472.1472.2432.2432.292.292.3862.3862.4332.4332.5292.5292.5772.5772.6722.6722.722.722.815
Percentage of LongTermDebt0.80.80.90.91.21.21.31.41.51.51.51.61.71.71.71.81.81.81.81.91.91.91.92.02.1
Percentage of Assets0.20.20.20.20.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.50.50.50.50.5
Percentage of Assets msex:FirstMortgage250.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage26



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value0.7550.7550.7550.7550.7950.7950.7950.7950.830.830.830.830.8650.8650.8650.8650.90.90.90.90.9350.9350.9350.9350.935
Percentage of LongTermDebt0.30.30.30.30.50.50.50.50.50.60.60.60.60.60.60.60.60.60.60.60.70.70.70.70.7
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.10.20.20.20.20.2
Percentage of Assets msex:FirstMortgage260.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage27



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1010101010101111111111
Percentage of LongTermDebt4.34.44.54.66.36.56.87.37.47.67.6
Percentage of Assets1.11.11.21.21.31.41.41.51.51.61.7
Percentage of Assets msex:FirstMortgage270.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage28



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3.7853.7853.7853.7853.863.863.863.863.863.863.86
Percentage of LongTermDebt1.61.61.61.62.22.32.42.62.62.62.6
Percentage of Assets0.40.40.40.40.50.50.50.50.50.50.6
Percentage of Assets msex:FirstMortgage280.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage29



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value6.5996.5996.6786.6786.8376.8376.9176.9177.076
Percentage of LongTermDebt2.72.82.82.93.94.14.24.64.7
Percentage of Assets0.70.70.70.80.80.90.90.91.0
Percentage of Assets msex:FirstMortgage290.00.00.00.00.00.00.00.00.0

msex:FirstMortgage31



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2.322.32322.322.3652.3652.3652.3652.365
Percentage of LongTermDebt1.01.013.91.01.41.41.51.61.6
Percentage of Assets0.20.23.60.30.30.30.30.30.3
Percentage of Assets msex:FirstMortgage310.00.00.00.00.00.00.00.00.0

msex:FirstMortgage32



Period End2020-06-302020-03-312019-12-312019-09-30
Value32322132
Percentage of LongTermDebt13.413.69.014.0
Percentage of Assets3.43.52.33.7
Percentage of Assets msex:FirstMortgage320.00.00.00.0

msex:FirstMortgage5



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.2350.2350.2410.2410.3540.3540.3620.3620.4710.4710.4820.4820.590.590.6030.6030.7080.7080.7230.7230.8270.8270.8450.8450.9450.9450.9650.9651.085
Percentage of LongTermDebt0.10.10.10.10.20.20.20.20.30.30.30.30.40.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.8
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage6



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.3310.3310.3310.3310.4890.4890.4890.4890.6360.6360.6360.6360.7790.7790.7790.7790.8750.8750.8950.8951.0251.0251.0251.0251.1451.1451.1451.1451.275
Percentage of LongTermDebt0.10.10.10.10.30.30.30.30.40.40.40.40.50.50.50.60.60.60.60.60.70.70.70.80.80.90.90.91.0
Percentage of Assets0.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.10.20.20.20.20.20.20.20.20.2
Percentage of Assets msex:FirstMortgage60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage8



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.4071.4071.4561.4551.8181.8191.8761.8762.2312.2312.2962.2962.6412.6412.7132.7133.0553.0553.1323.1323.4683.4683.553.553.8823.8823.9683.9684.386
Percentage of LongTermDebt0.60.60.60.61.01.11.21.21.51.51.61.61.81.81.92.02.22.22.22.22.52.42.52.72.92.93.03.03.3
Percentage of Assets0.10.20.20.20.20.20.20.20.30.30.30.40.40.40.40.40.50.50.50.50.60.60.60.70.70.70.70.70.8
Percentage of Assets msex:FirstMortgage80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:FirstMortgage9



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2.442.442.442.442.982.982.982.983.4953.4953.4953.4953.693.693.693.693.693.693.693.693.694.94.94.95.3355.3355.3355.3355.755
Percentage of LongTermDebt1.01.01.01.11.71.81.82.02.32.32.42.42.62.62.62.72.72.72.62.72.63.43.53.73.94.04.04.04.4
Percentage of Assets0.30.30.30.30.40.40.40.40.50.50.50.50.60.60.60.60.60.60.60.60.60.80.90.91.01.01.01.01.0
Percentage of Assets msex:FirstMortgage90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:NewConstructionLoans



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value494540382923163.6986.1673.8741411107.472.788
Percentage of LongTermDebt20.619.117.316.517.113.910.12.44.12.610.08.07.15.22.0
Percentage of Assets5.24.94.44.33.73.02.20.50.90.62.21.81.61.20.5
Percentage of Assets msex:NewConstructionLoans0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt1



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.3253.433.5353.643.7453.853.9554.064.1654.274.3754.484.5854.694.7954.95.0055.115.2155.325.4255.535.6355.745.8455.956.0556.166.475
Percentage of LongTermDebt1.41.41.51.62.22.32.42.72.82.93.03.13.23.33.43.53.63.73.73.83.93.94.04.34.34.54.54.64.9
Percentage of Assets0.30.40.40.40.50.50.50.50.60.60.70.70.70.70.80.80.80.90.90.90.91.01.01.11.11.11.11.11.2
Percentage of Assets msex:SecuredDebt10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt2



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2.8472.9172.9873.0573.1273.1973.2673.3373.4073.4773.5473.6173.6873.7573.8273.8973.9674.0374.1074.1774.2474.3174.3874.4574.5274.5974.6674.7374.947
Percentage of LongTermDebt1.21.21.31.31.81.92.02.22.32.32.42.52.62.62.72.82.92.92.93.03.03.03.13.43.33.53.53.53.8
Percentage of Assets0.30.30.30.30.40.40.40.40.50.50.50.60.60.60.60.60.70.70.70.70.70.70.80.80.80.90.90.90.9
Percentage of Assets msex:SecuredDebt20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt3



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.1273.1973.2673.3373.4073.4773.5473.6173.6873.7573.8273.8973.9674.0374.1074.1774.2474.3174.3874.4574.5274.5974.6674.7374.8074.8774.9475.0175.227
Percentage of LongTermDebt1.31.31.41.42.02.12.22.42.42.52.62.72.72.82.93.03.13.13.13.23.23.23.33.63.53.73.73.74.0
Percentage of Assets0.30.30.40.40.40.40.50.50.50.50.60.60.60.60.70.70.70.70.80.70.80.80.80.90.90.90.90.90.9
Percentage of Assets msex:SecuredDebt30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt4



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value3.0813.1683.2553.3433.433.5173.6043.6913.7793.8663.9534.044.1274.2154.3024.3894.4764.5634.6514.7384.8254.9124.9995.0875.1745.2615.3485.4365.697
Percentage of LongTermDebt1.31.31.41.42.02.12.22.42.52.62.72.82.92.93.03.23.23.33.33.43.43.53.63.83.84.04.04.14.3
Percentage of Assets0.30.30.40.40.40.40.50.50.50.50.60.60.60.70.70.70.70.80.80.80.80.80.90.91.01.01.01.01.0
Percentage of Assets msex:SecuredDebt40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt5



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2.3962.4582.5212.5832.6462.7082.7712.8332.8962.9593.0213.0833.1463.2083.2713.3333.3963.4583.5213.5833.6463.7083.7713.8333.8963.9584.0214.0834.271
Percentage of LongTermDebt1.01.01.11.11.51.61.71.91.92.02.02.12.22.22.32.42.52.52.52.62.62.62.72.92.93.03.03.13.2
Percentage of Assets0.30.30.30.30.30.30.40.40.40.40.50.50.50.50.50.50.60.60.60.60.60.60.70.70.70.70.80.70.8
Percentage of Assets msex:SecuredDebt50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt6



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value4.9155.0435.1715.2995.4275.5555.6845.8125.946.0686.1976.3256.4536.5816.7096.8386.9667.0947.2227.357.4797.6077.7357.8637.9918.128.2488.3768.761
Percentage of LongTermDebt2.02.12.22.33.13.33.53.83.94.14.24.44.54.64.74.95.05.15.15.35.35.45.55.95.96.16.26.36.7
Percentage of Assets0.50.50.60.60.70.70.70.80.80.90.91.01.01.01.11.11.21.21.21.21.31.31.31.41.51.51.61.51.6
Percentage of Assets msex:SecuredDebt60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt7



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value8.7278.8378.9469.0579.1679.2779.3879.4979.6079.7179.8279.9371014141414141210118.0
Percentage of LongTermDebt3.63.73.83.95.35.55.86.36.46.56.66.97.09.910.310.410.510.59.27.87.75.7
Percentage of Assets0.90.91.01.01.11.21.21.31.31.41.51.51.62.32.32.42.52.52.11.91.91.4
Percentage of Assets msex:SecuredDebt70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebt8



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value3.2383.2793.323.3613.4013.4423.4833.5243.5663.6063.6463.6873.7283.809
Percentage of LongTermDebt1.31.41.41.42.02.02.12.32.42.42.52.62.62.7
Percentage of Assets0.30.40.40.40.40.40.50.50.50.50.60.60.60.6
Percentage of Assets msex:SecuredDebt80.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:SecuredDebtZero



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.4930.5690.6430.7150.7860.8560.9240.991.0551.1181.181.2411.31.3581.4151.471.5251.5781.629
Percentage of LongTermDebt0.20.20.30.30.50.50.60.70.70.80.80.90.90.91.01.11.11.11.2
Percentage of Assets0.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.30.30.3
Percentage of Assets msex:SecuredDebtZero0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustBond



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.060.060.060.060.1110.1110.1110.1110.1620.1620.1620.1620.2130.2130.2130.2130.2470.2470.2540.2540.2990.2990.2990.2990.3440.3430.3430.3440.388
Percentage of LongTermDebt0.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.30.30.30.30.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustBond0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustBond1



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.0480.0480.050.050.0850.0850.0880.0880.1240.1240.1280.1280.1620.1620.1660.1660.1980.1980.2030.2030.2360.2360.2410.2410.2750.2750.2810.2810.32
Percentage of LongTermDebt0.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustBond10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.1470.1750.1750.2020.2020.2280.2280.2540.2530.2790.2790.3040.3040.3290.3290.3530.3530.3760.3760.3990.3990.4210.4210.4430.4430.4650.4650.4860.506
Percentage of LongTermDebt0.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.40.30.40.4
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustNote0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote1



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.2881.4051.4051.5191.5191.6321.6321.7431.7431.8511.8511.9581.9582.0632.0622.1652.1662.2672.2672.3662.3662.4642.4632.5592.5592.6542.6543.2873.413
Percentage of LongTermDebt0.50.60.60.70.91.01.01.21.21.21.31.41.41.41.41.61.61.61.61.71.71.71.81.91.92.02.02.52.6
Percentage of Assets0.10.20.20.20.20.20.20.20.20.30.30.30.30.30.30.40.40.40.40.40.40.40.40.50.50.50.50.60.6
Percentage of Assets msex:StateRevolvingTrustNote10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote10



Period End2020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-31
Value0.9870.9871.0131.0131.0641.1151.115
Percentage of LongTermDebt0.40.40.40.40.70.80.8
Percentage of Assets0.10.10.10.10.10.20.2
Percentage of Assets msex:StateRevolvingTrustNote100.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote11



Period End2020-06-302020-03-312019-12-31
Value1.5791.5391.309
Percentage of LongTermDebt0.70.60.6
Percentage of Assets0.20.20.1
Percentage of Assets msex:StateRevolvingTrustNote110.00.00.0

msex:StateRevolvingTrustNote2



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.3280.3280.3490.3490.3690.3690.3890.3890.4080.4080.4270.4270.4460.4460.4650.4650.4830.4830.5010.5010.5180.5180.5360.5360.5530.5530.5690.5690.602
Percentage of LongTermDebt0.10.10.10.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.40.5
Percentage of Assets0.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustNote20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote3



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.4190.4470.4460.4740.4740.5010.5010.5270.5270.5530.5530.5780.5780.6030.6030.6270.6270.6510.6510.6740.6740.6970.6970.720.7420.7420.7420.7630.784
Percentage of LongTermDebt0.20.20.20.20.30.30.30.30.30.40.40.40.40.40.40.50.50.50.50.50.50.50.50.50.50.60.60.60.6
Percentage of Assets0.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustNote30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote4



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.2140.2140.2140.2250.2250.2350.2350.2460.2460.2560.2560.2660.2660.2750.2760.2850.2850.2940.2940.3040.3040.3130.3130.3220.3220.330.330.3390.347
Percentage of LongTermDebt0.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustNote40.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote5



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.0690.0690.0690.0730.0730.0770.0770.080.080.0840.0840.0870.0870.0910.0910.0940.0940.0970.0970.1010.1010.1040.1040.1070.1070.110.110.1130.116
Percentage of LongTermDebt0.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets msex:StateRevolvingTrustNote50.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote6



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.8220.8220.8510.8510.880.8790.9070.9070.9350.9350.9620.9620.9890.9891.0151.0151.041.041.0661.0661.091.091.1151.1151.1150.6770.4670.410.397
Percentage of LongTermDebt0.30.30.40.40.50.50.60.60.60.60.70.70.70.70.70.70.80.70.80.80.80.80.80.80.80.50.40.30.3
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustNote60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote7



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1.8291.8291.8291.8921.8921.9541.9542.0152.0152.0752.0752.1342.1332.1912.1912.2482.2482.3032.3032.3572.3572.4112.4112.4632.4632.5152.5152.5652.615
Percentage of LongTermDebt0.80.80.80.81.11.21.21.31.31.41.41.51.51.51.51.61.61.71.61.71.71.71.71.91.81.91.91.92.0
Percentage of Assets0.20.20.20.20.20.20.30.30.30.30.30.30.30.30.40.40.40.40.40.40.40.40.40.50.50.50.50.50.5
Percentage of Assets msex:StateRevolvingTrustNote70.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote8



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.9190.9550.9550.990.991.0241.0241.0571.0571.091.091.1231.1231.1541.1541.1861.1851.2161.2161.2461.2461.2761.2761.3041.3041.3331.3331.3611.388
Percentage of LongTermDebt0.40.40.40.40.60.60.60.70.70.70.70.80.80.80.80.90.90.90.90.90.90.90.91.01.01.01.01.01.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.20.2
Percentage of Assets msex:StateRevolvingTrustNote80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

msex:StateRevolvingTrustNote9



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value0.2880.2880.3090.3090.330.330.3510.3510.3720.3720.3920.3920.4110.4110.4310.4310.450.450.4690.4690.4870.4880.5060.5060.5240.5240.5410.576
Percentage of LongTermDebt0.10.10.10.10.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.30.40.40.40.40.40.4
Percentage of Assets0.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets msex:StateRevolvingTrustNote90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value237234230228163158152141142140139135136136134130130131136135136137136129132129129130133130131132135131132132134133
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets25.025.125.425.720.320.219.918.719.519.921.020.821.421.721.721.421.822.423.322.423.223.823.623.824.624.324.523.624.223.923.424.224.824.624.626.226.827.4

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3334342729293033353636333435363435363643444545182020214244435448515051262828
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.53.73.83.13.63.84.04.54.85.15.55.15.45.75.85.65.96.26.27.27.57.97.83.43.73.94.07.68.08.09.78.99.49.49.55.15.75.8

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value2480000.02500000.02546000.02567000.02612000.02530000.02730000.01199000.01250000.01250000.01315000.01348000.01378000.01410000.01443000.01487000.02094000.02006000.01597000.01638000.01659000.01234000.01277000.01322000.01337000.01347000.01348000.01348000.0991000.0972000.0973000.0977000.0974000.0997000.0995000.0617000.0182000.0154000.0
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.30.40.20.20.20.20.20.20.20.20.20.30.30.30.30.30.20.20.20.20.30.30.20.20.20.20.20.20.20.20.10.00.0

Common Stock Value

us-gaap:CommonStockValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value216215215170165160157156156155155154154153153152152151150150149149148148147146146145144144143143142142141141140139
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets22.823.123.619.220.420.520.520.821.422.123.523.724.124.524.724.925.325.825.824.925.525.725.827.327.427.627.626.326.226.425.626.126.226.526.327.828.028.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value11711110810598949188797474726866656560575554514948474442424239383838353435363433
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.312.011.911.912.212.011.911.710.910.611.211.110.710.610.510.710.09.89.69.18.78.58.48.88.28.08.07.77.27.06.87.06.56.46.67.26.86.9

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.6811612113.9567.6641313108.981148.4781010165.941108.395.3698.6667.1475.7654.9874.0268.0589.8223.961
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.350.938.931.111.925.039.135.329.428.845.223.530.633.50.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-20270000.0-25147000.0-27905000.0-25522000.0-23374000.0-12324000.0-22576000.0-21141000.0-18366000.0-10011000.0-16152000.0-14005000.0-11588000.0-9577000.0-13229000.0-8699000.0-5158000.0-2635000.0-4027000.0-9961000.0-5691000.0-4923000.0-5249000.0-5858000.0-4036000.0-9676000.0-6086000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-57.5-79.2-85.3-67.6-70.1-40.2-67.9-54.7-52.6-32.1-51.4-38.7-35.1-31.80.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.42154.62166165.7879.7017.20611-2.5954.1944.539-0.3971.201-0.7561.242-3.614-4.528-2.2713.168-3.708-1.870.1132.319-2.679-0.7831.177
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.549.814.1176.850.318.929.218.632.1-8.313.312.6-1.24.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect



Period End2020-06-302020-03-312019-06-302019-03-31
Value-11.1696.802-2.6281.127
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-31.721.4-7.93.7

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.6811612113.9567.6641313108.981148.4781010165.941108.395.3698.6667.1475.7654.9874.0268.0589.8223.961
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax13.350.938.931.111.925.039.135.329.428.845.223.530.633.50.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value9.7137.6688.071118.1466.5526.993128.6754.4945.3457.6425.3814.4413.228.8135.9194.794.566.7435.0893.6363.796.7584.7283.1693.1685.8074.4813.1772.7266.1383.7251.807
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax27.624.224.729.524.421.421.031.824.914.417.021.116.314.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value9.1927.1817.902107.4235.8686.501118.1513.9835.1067.2324.9724.1394.1278.1545.5834.4924.2366.4664.8093.3773.4966.4584.4162.8812.8565.5054.2352.912.435.926
Percentage of NetIncomeLoss94.693.697.993.691.189.693.095.894.088.695.594.692.493.2128.292.594.393.892.995.994.592.992.295.693.490.990.294.894.591.689.196.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax26.122.624.227.622.319.119.630.423.412.816.320.015.113.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RegulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:UnregulatedOperation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.5210.4870.1680.710.7230.6840.4920.520.5240.5110.240.410.4090.302-0.9070.6590.3360.2980.3250.2770.280.2590.2950.30.3120.2880.3120.3020.2460.2670.2960.212
Percentage of NetIncomeLoss5.46.42.16.48.910.47.04.26.011.44.55.47.66.8-28.27.55.76.27.14.15.57.17.84.46.69.19.85.25.58.410.93.5
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax1.51.50.51.92.22.21.51.31.51.60.81.11.21.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:UnregulatedOperation0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.7137.6688.07118.1466.5526.993128.6754.494
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax27.624.224.729.524.421.421.031.824.914.4
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value5.1965.1084.3744.4034.2654.194.0373.954.0223.7714.1693.793.4763.4113.483.2523.4443.3563.0973.313.4243.2563.13.0533.0283.013.0253.1282.8392.8662.8832.862.8692.623.1822.4212.4172.5843.1312.3872.236
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-653000.0-1187000.0106000.0939000.0-2075000.0164000.0-690000.0-498000.0-1105000.0-296000.0-605000.064000.0723000.0-13000.0-1320000.0-1115000.0818000.0281000.0871000.0-418000.0-507000.0200000.0-864000.0810000.0-694000.0886000.0-1116000.0298000.0-603000.0589000.0-449000.0617000.01201000.0-334000.0381000.0245000.0453000.0-540000.01825000.0-96000.0
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1796000.0-1085000.0-1499000.01651000.01774000.0-1780000.0-1782000.02533000.01041000.0-815000.0-945000.01777000.01107000.0-1283000.0-3144000.02365000.01378000.0-530000.0-2698000.02330000.0-202000.0618000.0-1263000.0109000.0-9000.0-787000.0-1066000.01148000.0-59000.0-1224000.0-921000.02681000.0-5196000.0995000.0550000.0-2405000.0-96000.01923000.01281000.0-3037000.0
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-3.776-3.43-3.34-3.304-2.756-2.319-2.749-3.215-2.8770.117-0.453.9993.3781.017-1.8292.0612.0061.315-1.878160.5120.5811.0230.7720.6780.6570.3791.4610.3640.7110.6082.3610.4760.5140.8010.8750.2140.2080.516-0.465
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation

us-gaap:ShareBasedCompensation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value470000.0162000.0228000.0-294000.0474000.0229000.0327000.0222000.0362000.0173000.0167000.0236000.0277000.0160000.0180000.0181000.0327000.0141000.0165000.0131000.0221000.0116000.0109000.0131000.0202000.097000.0136000.088000.0192000.077000.097000.084000.0198000.0174000.079000.081000.0152000.082000.046000.084000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-20270000.0-25147000.0-27905000.0-25522000.0-23374000.0-12324000.0-22576000.0-21141000.0-18366000.0-10011000.0-16152000.0-14005000.0-11588000.0-9577000.0-13229000.0-8699000.0-5158000.0-2635000.0-4027000.0-9961000.0-5691000.0-4923000.0-5249000.0-5858000.0-4036000.0-9676000.0-6086000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax-57.5-79.2-85.3-67.6-70.1-40.2-67.9-54.7-52.6-32.1-51.4-38.7-35.1-31.80.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value2025252312211810141.5889.57714136.6726.6517.7614.8857.2784.3394.165
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementBusinessSegments

us-gaap:RegulatedOperation



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-31
Value192425231221189.97813119.57214136.666.6137.7344.8857.2114.3394.134
Percentage of PaymentsToAcquirePropertyPlantAndEquipment98.299.399.799.599.7100.099.999.7100.0729.799.999.898.999.899.499.7100.099.1100.099.3

us-gaap:UnregulatedOperation



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302014-09-302014-06-302014-03-31
Value0.3570.1790.0850.1060.0310.00.0160.0330.0070.00.0050.0240.1490.0120.0380.0270.0670.00.031
Percentage of PaymentsToAcquirePropertyPlantAndEquipment1.80.70.30.50.30.00.10.30.00.00.10.21.10.20.60.30.90.00.7

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.42154.62166165.7879.7017.20611-2.5954.1944.539-0.3971.201-0.7561.242-3.614-4.528-2.2713.168-3.708-1.870.1132.319-2.679-0.7831.177
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax12.549.814.1176.850.318.929.218.632.1-8.313.312.6-1.24.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Proceeds From Issuance Of Long Term Debt

us-gaap:ProceedsFromIssuanceOfLongTermDebt



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.3235.398-3.479696.3186.899123.6983.2742.2934.5552.9211.3092.7384.6823.0422.02.00.03.07.8480.04.1870.2110.0580.03.9760.011550.04.3530.5760.70.4322.3080.0073.970.0
Percentage of ProceedsFromIssuanceOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0

dei:LegalEntity

msex:FirstMortgageBonds



Period End2020-03-312019-12-31
Value239.7
Percentage of ProceedsFromIssuanceOfLongTermDebt433.5-278.8

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.9581.331.0283.9591.0191.3371.0113.8691.0031.1410.9963.0480.9891.1260.9812.7811.0441.0920.9262.6231.6891.0460.8032.9520.7970.9290.792.7160.8376.887522.6010.7460.8440.6095.252-2.2620.8280.5945.205
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.4744.4684.2723.9873.9633.9433.9373.6683.6663.6593.6583.4513.453.4433.4423.2413.2283.2263.2223.1193.1073.1053.1013.0593.0373.0343.0412.9722.9672.9632.9592.9112.9072.9022.89914-8.532.8422.83812
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.9581.331.0283.9591.0191.3371.0113.8691.0031.1410.9963.0480.9891.1260.9812.7811.0441.0920.9262.6231.6891.0460.8032.9520.7970.9290.792.7160.8376.887522.6010.7460.8440.6095.252-2.2620.8280.5945.205
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents



Period End2020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312017-12-312016-12-312015-12-31
Value4253464.166.7885.6616.3974.3183.908
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value4.013-38.5-0.99.91.00.09.511-0.53.57.52.52.5-1.63.18.5-1.0-15.00.03.0-4.0-11.52.50.5-0.95-2.0-0.50.22.52.0-1.00.04.02.450.8-1.85.3
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

msex:ChangeInUnbilledRevenues



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value2237000.0-481000.01172000.01305000.0-353000.0353000.01752000.0-7000.0
Percentage of ChangeInUnbilledRevenues100.0100.0100.0100.0100.0100.0100.0100.0

msex:CommercialOperatingRevenues



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.6493.3693.6594.4873.7443.3093.5464.4183.7713.1093.4354.0743.4932.954
Percentage of CommercialOperatingRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:CostOfTreatedWater



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value932000.0793000.0785000.0818000.0827000.0770000.0773000.0836000.0703000.0888000.0935000.0791000.0795000.0779000.0840000.0804000.0754000.0801000.0229000.0775000.0766000.0730000.056000.0764000.0802000.0778000.097000.0780000.0762000.0761000.0134000.0772000.0775000.0
Percentage of CostOfTreatedWater100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:CostOfUntreatedWater



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value782000.0870000.0879000.0878000.0782000.0861000.0872000.0948000.0850000.0930000.0895000.0673000.0573000.0659000.0689000.0675000.0570000.0666000.01231000.0674000.0552000.0642000.01337000.0642000.0515000.0606000.01461000.0618000.0515000.0606000.01309000.0663000.0516000.0
Percentage of CostOfUntreatedWater100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:IndustrialOperatingRevenues



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.1752.0812.1482.7232.3212.1982.3142.8682.6892.3122.1562.5872.3952.183
Percentage of IndustrialOperatingRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:InterSegmentEliminationOperatingRevenues



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-192000.0-129000.0-142000.0-251000.0-138000.0-125000.0-123000.0-219000.0-131000.0-129000.0-132000.0-220000.0-127000.0-112000.0
Percentage of InterSegmentEliminationOperatingRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:NonregualtedContractOperationsRevenue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.0762.8593.0442.9192.9862.8244.3914.2033.7813.9994.0564.0413.7623.649
Percentage of NonregualtedContractOperationsRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:OperationsAndMaintenance



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value171717171616181816171616161517161515161616161414141515151515151514
Percentage of OperationsAndMaintenance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:OtherNonregulatedRevenues



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value104000.0103000.0101000.0101000.0100000.0102000.0101000.0101000.0101000.0101000.0102000.090000.0111000.0101000.0
Percentage of OtherNonregulatedRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:ResidentialCommercialIndustrialAndFireProtectionRevenue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.063.0453.083.13.0983.0133.0543.0843.0732.8882.9783.012.9112.913
Percentage of ResidentialCommercialIndustrialAndFireProtectionRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:ResidentialOperatingRevenues



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1916172017151619171515181715
Percentage of ResidentialOperatingRevenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:WholesaleMunicipalRevenue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value3.8273.6983.7373.8133.4293.3393.4444.3193.683.2123.2883.6343.3973.234
Percentage of WholesaleMunicipalRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForFundsUsedDuringConstructionInvestingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value306000.0429000.0449000.0317000.0215000.0168000.0176000.0142000.073000.052000.071000.056000.056000.038000.070000.064000.041000.021000.034000.046000.040000.032000.035000.026000.025000.024000.032000.036000.031000.014000.034000.0
Percentage of AllowanceForFundsUsedDuringConstructionInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareCashPaid



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.25630.25630.25630.240.240.240.240.22380.22380.22380.22380.21130.21130.21130.21170.19880.19880.19880.19850.19250.19250.19250.1930.190.190.190.19050.18750.18750.18750.1880.1850.1850.1850.18550.18250.18250.18250.1830.180.18
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContributionOfProperty



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2374000.01422000.02395000.01550000.02220000.01605000.0807000.0964000.01780000.0284000.0540000.02107000.0472000.0659000.0222000.0-178000.0504000.0891000.0819000.0408000.0448000.0766000.04801000.0667000.01086000.044000.01852000.01033000.0-106000.0397000.0187000.0
Percentage of ContributionOfProperty100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:ConvertiblePreferredDividendsNetOfTax

us-gaap:ConvertiblePreferredStock



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value17000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.017000.024000.024000.025000.024000.024000.0
Percentage of ConvertiblePreferredDividendsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CostOfPurchasedWater



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value1714000.01663000.01664000.01696000.01609000.01631000.01645000.01784000.01553000.01818000.01830000.01464000.01368000.01438000.01529000.01479000.01324000.01467000.01460000.01449000.01318000.01372000.01393000.01406000.01317000.01384000.01558000.01398000.01277000.01367000.01443000.01435000.01291000.01331000.01332000.01354000.01168000.0
Percentage of CostOfPurchasedWater100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:OtherPensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-338000.0-338000.0-330000.0-330000.0-330000.0-330000.0-447000.0-447000.0-447000.0-447000.0-445000.0-445000.0-445000.0-445000.0-443000.0-443000.0-443000.0-443000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-515000.0-515000.0-405000.0-404000.0-404000.0-404000.0-414000.0-415000.0-415000.0-415000.0-392000.0-391000.0-391000.0-391000.0-356000.0-357000.0-357000.0-357000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses152.4152.4122.7122.4122.4122.492.692.892.892.888.187.987.987.980.480.680.680.6

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:OtherPensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value721000.0721000.0613000.0613000.0613000.0613000.0638000.0637000.0637000.0637000.0602000.0601000.0601000.0601000.0539000.0558000.0558000.0558000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1409000.01409000.01174000.01173000.01173000.01173000.01218000.01218000.01218000.01218000.01122000.01122000.01122000.01122000.01003000.01004000.01004000.01004000.0
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets195.4195.4191.5191.4191.4191.4190.9191.2191.2191.2186.4186.7186.7186.7186.1179.9179.9179.9

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value425000.0425000.0496000.0496000.0496000.0496000.0475000.0474000.0474000.0474000.0491000.0491000.0491000.0491000.0488000.0488000.0488000.0488000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value775000.0775000.0856000.0857000.0857000.0857000.0765000.0765000.0765000.0765000.0786000.0786000.0786000.0786000.0762000.0761000.0761000.0761000.0
Percentage of DefinedBenefitPlanInterestCost182.4182.4172.6172.8172.8172.8161.1161.4161.4161.4160.1160.1160.1160.1156.1155.9155.9155.9

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value290000.0290000.0422000.0423000.0423000.0423000.0166000.0166000.0166000.0166000.0174000.0175000.0175000.0175000.0235000.0216000.0216000.0216000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value490000.0490000.0630000.0631000.0631000.0631000.0567000.0569000.0569000.0569000.0656000.0655000.0655000.0655000.0692000.0691000.0691000.0691000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost169.0169.0149.3149.2149.2149.2341.6342.8342.8342.8377.0374.3374.3374.3294.5319.9319.9319.9

us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:OtherPensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value248000.0248000.0209000.0210000.0210000.0210000.0284000.0284000.0284000.0284000.0272000.0272000.0272000.0272000.0275000.0275000.0275000.0275000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value609000.0609000.0543000.0543000.0543000.0543000.0606000.0607000.0607000.0607000.0600000.0600000.0600000.0600000.0577000.0577000.0577000.0577000.0
Percentage of DefinedBenefitPlanServiceCost245.6245.6259.8258.6258.6258.6213.4213.7213.7213.7220.6220.6220.6220.6209.8209.8209.8209.8

us-gaap:Depreciation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value4.6294.4484.3014.2464.1234.0463.93.7923.7363.6093.6423.5873.3853.308
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.4754.4684.2723.9873.9643.9433.9373.6673.6663.659
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.4754.4684.2723.9873.9643.9433.9373.6673.6663.659
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value30000.030000.030000.030000.036000.036000.036000.036000.036000.036000.0
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value30000.030000.030000.030000.036000.036000.036000.036000.036000.036000.0
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-1313000.0810000.03128000.02122000.04080000.0-5349000.0-210000.03122000.05399000.0-2915000.01816000.0-2932000.06058000.0-3356000.02012000.0742000.03089000.0-25000.0-2084000.0-316000.01971000.0600000.0-841000.0520000.01080000.0-733000.01954000.0-759000.0607000.0718000.0-434000.0-555000.0-29000.0-880000.0-83000.085000.0534000.0-1233000.0887000.0293000.0
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value-1059000.03530000.0-4497000.0-258000.0-5076000.03236000.0-588000.0118000.097000.03185000.0-463000.0-1256000.0-2973000.03725000.01753000.01193000.0-3438000.03751000.0-2211000.0-1163000.0-41000.03593000.0-1615000.0611000.0-1301000.03121000.0-1092000.0-572000.0-1439000.01969000.026000.0-12000.0-892000.02297000.0-2824000.01434000.0-1926000.02411000.0-872000.0
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredRevenue



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value119000.0-1000.01000.022000.0-11000.062000.08000.015000.0-11000.0-5000.043000.01000.019000.05000.09000.010000.08000.011000.010000.012000.0-13000.074000.0-3000.0-56000.082000.0-4000.07000.0-4000.03000.010000.059000.0-50000.0-17000.0-115000.0-28000.030000.0-56000.0
Percentage of IncreaseDecreaseInDeferredRevenue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value1230000.0-1169000.01232000.0-480000.0692000.0-702000.0741000.0-711000.0757000.0-591000.0702000.0-687000.0667000.0-673000.0683000.0-690000.0673000.0-686000.0693000.0-707000.0664000.0-680000.0703000.0-719000.0699000.0-700000.0709000.0-702000.0-125000.0314000.0-366000.0-301000.0716000.0-722000.0733000.0-785000.0842000.0-760000.0771000.0-780000.0
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPensionAndPostretirementObligations



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value390000.0450000.0-472000.02164000.0-2830000.026000.0-688000.01052000.0-1890000.0-588000.0-558000.0-722000.0-702000.062000.0-432000.0-589000.0-599000.019000.02993000.0-3273000.0-849000.01000000.0-523000.0-1488000.0-737000.0-495000.0-107000.0-1800000.0861000.0-94000.088000.0-1664000.01746000.0100000.0-365000.0-2117000.0737000.0154000.0-1724000.0-430000.0
Percentage of IncreaseDecreaseInPensionAndPostretirementObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value2171000.0-577000.0-1210000.0-340000.01654000.0-381000.0-875000.0-286000.01753000.0-356000.0-180000.0-324000.01361000.0-473000.0-789000.0-429000.01250000.0-43000.0-701000.0-144000.01337000.0-446000.0-992000.0-57000.01577000.0-267000.0-963000.0-43000.0993000.0-514000.0-7000.020000.0119000.0501000.0501000.0114000.0-713000.0-123000.0196000.0-30000.0
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value-2000.0-169000.0286000.0-216000.0-104000.068000.0-222000.0807000.0671000.037000.0-323000.0-440000.0240000.0547000.0-305000.0-333000.01837000.0295000.0-81000.0358000.0107000.0-37000.0115000.0-220000.0215000.0159000.0-4000.0-116000.0128000.0573000.0-49000.0-589000.0-2000.020000.0-14000.0-60000.0-426000.0673000.0-272000.0-129000.0
Percentage of IncreaseDecreaseInRawMaterialsPackagingMaterialsAndSuppliesInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:IncrementalCommonSharesAttributableToConversionOfPreferredStock

us-gaap:ConvertiblePreferredStock



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value115000.0115000.0115000.0115000.0115000.0115000.0115000.0115000.0115000.0115000.0115.0115000.0115000.0115.0115000.0115000.0115000.0115000.0140000.0163.0167.0166830.0167.0167.0
Percentage of IncrementalCommonSharesAttributableToConversionOfPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidCapitalized



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value306000.0429000.0449000.0317000.0215000.0168000.0176000.0142000.073000.052000.071000.056000.056000.038000.070000.064000.041000.021000.034000.046000.040000.032000.035000.026000.025000.024000.032000.0126000.0-31000.0-14000.0-316000.0244000.0-49000.0-54000.0-78000.0-352000.0193000.0-62000.0-62000.0-543000.0
Percentage of InterestPaidCapitalized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPaidNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value732000.03022000.01009000.02528000.01104000.02297000.01023000.02379000.0878000.01833000.0841000.02181000.0805000.01789000.0772000.02120000.0764000.01774000.0805000.02214000.0836000.01847000.0774000.02201000.0840000.01930000.0868000.02248000.01695000.0932000.02261000.02068000.01021000.02187000.0971000.02447000.0830000.02088000.0988000.0
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseAndRentalExpense



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value200000.0200000.0200000.0200000.0100000.0100000.0200000.0200000.0100000.0100000.000
Percentage of LeaseAndRentalExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:LifeInsuranceCorporateOrBankOwnedChangeInValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value252000.0-205000.065000.0-13000.077000.0123000.0-146000.059000.058000.02000.048000.047000.062000.052000.012000.045000.025000.0-45000.048000.048000.027000.011000.049000.021000.052000.062000.053000.059000.019000.042000.0158000.0-68000.0-50000.0-128000.0131000.0-45000.0-55000.0
Percentage of LifeInsuranceCorporateOrBankOwnedChangeInValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityInterestRateDuringPeriod



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value0.01650.0258-0.00120.03260.03520.03640.00080.03240.0310.02740.00080.02280.02080.01780.00020.01540.01520.01410.00010.01190.01180.0117-0.00030.01440.01420.01450.00060.01320.01340.0140.00020.01520.01380.0131-0.00060.01320.0159
Percentage of LineOfCreditFacilityInterestRateDuringPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod



Period End2020-06-302020-03-312019-06-302019-03-31
Value36215050
Percentage of LineOfCreditFacilityMaximumAmountOutstandingDuringPeriod100.0100.0100.0100.0

us-gaap:PurchaseCommitmentExcludingLongtermCommitment

us-gaap:LongTermPurchaseCommitmentMinimumQuantityRequired

msex:PurchaseCommitment1



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.03.00.00.00.03.0-2.9970.00.03.0-2.9970.00.00.03.02.9999970.0
Percentage of LongTermPurchaseCommitmentMinimumQuantityRequired0.0100.00.00.00.0100.0100.00.00.0100.0100.00.00.00.0100.0100.00.0

msex:PurchaseCommitment2



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302015-06-302015-03-31
Value0.0150.00.00.015-14.9850.00.015-14.9850.00.00.015
Percentage of LongTermPurchaseCommitmentMinimumQuantityRequired0.0500.00.00.00.0500.0500.00.00.0500.0500.00.00.00.0500.0

us-gaap:PurchaseCommitment



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value0.0270.00.00.027-26.9730.00.027-26.9730.00.00.027260.0
Percentage of LongTermPurchaseCommitmentMinimumQuantityRequired0.0900.00.00.00.0900.0900.00.00.0900.0900.00.00.00.0900.0900.00.0

us-gaap:NumberOfReportableSegments



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.02.02.02.02.02.02.00002.0
Percentage of NumberOfReportableSegments100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0

us-gaap:PaymentsOfDebtIssuanceCosts



Period End2020-06-302020-03-312019-12-312019-09-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302013-12-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-31
Value9000.024000.015000.0753000.018000.0787000.055000.020000.086000.0111000.030000.03000.0-6000.0143000.0-1000.062000.072000.061000.02000.01138000.003000.015000.0019000.018000.0
Percentage of PaymentsOfDebtIssuanceCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value30000.030000.030000.030000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.036000.043000.043000.044000.051000.052000.051000.0
Percentage of PaymentsOfDividendsPreferredStockAndPreferenceStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsOfStockIssuanceCosts



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312015-12-312010-12-312010-09-30
Value037000.0335000.017000.0-1000.06000.000244000.0
Percentage of PaymentsOfStockIssuanceCosts0.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementBenefitContributions

us-gaap:OtherPensionPlansDefinedBenefit



Period End2020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value300000.0300000.0200000.0200000.0200000.0900000.0200000.0200000.0200000.0900000.0200000.0200000.0200000.0200000.0500000.0200000.0
Percentage of PensionAndOtherPostretirementBenefitContributions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.2950.313445.3684.5222.5590.2860.2680.310.2860.3260.3160.2910.3010.2940.3290.3970.4330.3470.3810.3620.3720.3730.4010.3340.3850.1110.3740.4760.4070.3940.4050.3860.4020.3360.3930.3890.3860.3760.367
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1273000.02489000.0862000.01761000.01068000.0651000.01606000.02100000.0858000.0182000.0589000.0448000.08000.0270000.0321000.074000.01177000.0-565000.071000.020000.073000.0-335000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value795000.01123000.01116000.0871000.0643000.0515000.0557000.0424000.0214000.0167000.0229000.0174000.0180000.0119000.0232000.0207000.0119000.061000.083000.0113000.0103000.082000.0104000.080000.066000.067000.084000.0104000.089000.038000.0101000.0110000.0137000.0136000.0195000.0235000.0197000.0194000.0185000.0143000.0348000.0
Percentage of PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value488000.0694000.0667000.0555000.0428000.0347000.0381000.0282000.0141000.0115000.0158000.0118000.0124000.081000.0162000.0143000.078000.040000.049000.066000.063000.050000.069000.054000.041000.043000.052000.067000.058000.024000.067000.0
Percentage of PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RegulatoryAgency, dei:LegalEntity

us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount

msex:NewJerseyBoardOfPublicUtilities, msex:Middlesex



Period End2020-06-302020-03-31
Value0600000.0
Percentage of PublicUtilitiesApprovedRateIncreaseDecreaseAmount0.0100.0

msex:PennsylvaniaPublicUtilitiesCommissio, msex:TwinLakes



Period End2020-06-302020-03-312019-07-31
Value0100000.0200000.0
Percentage of PublicUtilitiesApprovedRateIncreaseDecreaseAmount0.016.70.0

us-gaap:RegulatedOperatingRevenueOther



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value124000.062000.078000.0184000.073000.058000.059000.0151000.063000.062000.069000.0162000.048000.050000.0
Percentage of RegulatedOperatingRevenueOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesDividendReinvestmentPlan



Period End2020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.0476490.0918830.0820260.0476490.0059750.0073610.0076650.00820.0081090.0078450.0089160.0109460.0154881516160.0195490.0161590.0189190.0182710.0243870.020991
Percentage of StockIssuedDuringPeriodSharesDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0040.0050.0040.0920.0820.0480.0060.0080.0070.008
Percentage of StockIssuedDuringPeriodSharesDividendReinvestmentPlan0.010.50.0100.1100.0100.70.0133.995.1104.4

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardGross

us-gaap:CommonStock



Period End2020-06-30
Value4000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardGross100.0

us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock



Period End2020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-30
Value17000.001000.017000.0-1000.0023000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.00.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueDividendReinvestmentPlan



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.2940.3130.2895.3684.5222.5590.250.2660.310.30.3340.30.30.30.2530.40.40.40.3620.40.30.40.3930.40.30.40.3530.40.50.40.387
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.2940.3130.2895.3684.5222.5590.2860.2660.310.286
Percentage of StockIssuedDuringPeriodValueDividendReinvestmentPlan100.0100.0100.0100.0100.0100.0114.4100.0100.095.3

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardGross



Period End2020-06-30
Value245000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-30
Value245000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardGross100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value226000.0162000.0228000.0172000.0278000.0229000.0347000.0242000.0214000.0174000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value226000.0162000.0228000.0172000.0278000.0229000.0347000.0242000.0214000.0174000.0
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockholdersEquityOther



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000.037000.0334000.015000.0-1000.06000.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1000.037000.0334000.015000.0-1000.06000.0
Percentage of StockholdersEquityOther100.0100.0100.0100.0100.0100.0

us-gaap:TaxesOther



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value3.6433.6023.4693.8713.5393.5043.4183.8893.6373.3843.2383.6033.4153.3093.4073.7963.4283.3123.2963.393.223.0612.9643.2133.0432.9542.9253.1233.0583.0342.9943.281
Percentage of TaxesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

msex:AccumulatedDeferredIncomeTaxes



Period End2020-06-302020-03-312019-12-31
Value575554
Percentage of AccumulatedDeferredIncomeTaxes100.0100.0100.0

msex:ConstructionAdvances



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2424232223222221
Percentage of ConstructionAdvances100.0100.0100.0100.0100.0100.0100.0100.0

dei:LegalEntity

msex:ConstructionLoanMaximumBorrowingCapacity

msex:FirstMortgageBonds



Period End2020-03-312019-12-312019-09-302019-08-31
Value60606053
Percentage of ConstructionLoanMaximumBorrowingCapacity100.0100.0100.0100.0

msex:Middlesex



Period End2020-06-302020-03-312019-09-30
Value0.4133730
Percentage of ConstructionLoanMaximumBorrowingCapacity0.060.949.7

us-gaap:LineOfCreditFacility

msex:DelawareStateRevolvingFund



Period End2020-03-312019-04-30
Value1.51.7
Percentage of ConstructionLoanMaximumBorrowingCapacity2.50.0

us-gaap:LongtermDebtType

msex:FirstMortgageBonds



Period End2020-06-302019-08-31
Value0.6080.537
Percentage of ConstructionLoanMaximumBorrowingCapacity0.01.0

msex:DeferredChargesAndOtherAssets



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312011-06-302010-12-31
Value16016817517412112411811811811574767575757574747894838587586467
Percentage of DeferredChargesAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueByMeasurementBasis

msex:FirstMortgageBondsFairValueDisclosure

us-gaap:CarryingReportedAmountFairValueDisclosure



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-31
Value150150151151100100101101104959580828282828484858587888888908787878991
Percentage of FirstMortgageBondsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EstimateOfFairValueFairValueDisclosure



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302012-12-31
Value1621601601541031031021011069698828484848688878787869090888981798493
Percentage of FirstMortgageBondsFairValueDisclosure107.5106.4106.2102.0102.7102.3101.4100.3101.7101.6102.8103.0102.5102.5102.5104.6105.4103.8103.3102.299.8102.6101.799.998.393.791.294.0101.8

msex:NonUtilityAssetsNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-06-302010-12-31
Value1010101010109.9899.6519.5989.5679.4789.2769.2529.2539.1319.419.3899.2549.1999.2369.2929.2649.1979.2549.2599.4829.4411119.8827.4557.122
Percentage of NonUtilityAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RegulatoryAgency, dei:LegalEntity

msex:OtherLoanSourceMaximumBorrowingCapacity

msex:NewJerseyBoardOfPublicUtilities, msex:Middlesex



Period End2020-06-302020-02-28
Value1.0100
Percentage of OtherLoanSourceMaximumBorrowingCapacity100.0100.0

msex:PreliminarySurveyAndInvestigationCharges



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-06-302012-12-312011-06-302010-12-31
Value2670000.02208000.02054000.02252000.02116000.05359000.05254000.05049000.04859000.04647000.04676000.03832000.03142000.02876000.02365000.02690000.02424000.02278000.02199000.05024000.05117000.05687000.07023000.0
Percentage of PreliminarySurveyAndInvestigationCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TaxPeriod

msex:ReserveProvision

us-gaap:TaxYear2014



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value500000.0500000.0500000.02400000.03100000.03100000.04100000.0
Percentage of ReserveProvision100.0100.0100.0100.0100.0100.0100.0

msex:RightOfUseAssetsAccumulatedAmortization



Period End2020-06-302020-03-312019-12-31
Value1700000.01500000.01400000.0
Percentage of RightOfUseAssetsAccumulatedAmortization100.0100.0100.0

msex:RightOfUseAssetsCurrent



Period End2020-06-302020-03-312019-12-31
Value5600000.05800000.05900000.0
Percentage of RightOfUseAssetsCurrent100.0100.0100.0

msex:TotalCommonEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312011-06-302010-12-31
Value333327323275263254248245236230229227222219218218212208206204200198197196191189188188184181176174173
Percentage of TotalCommonEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementEquityComponents

us-gaap:CommonStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value216215215170165160157156156155155153150148146143141139
Percentage of TotalCommonEquity64.965.966.461.862.763.063.263.966.267.567.770.172.975.477.579.079.980.5

us-gaap:RetainedEarnings



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1171111081059894918879747465554842383533
Percentage of TotalCommonEquity35.134.133.638.237.337.036.836.133.832.532.329.927.124.622.521.020.119.5

us-gaap:CapitalizationLongtermDebtAndEquity



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value573564556506429414404388380372370365361358355351345342345342339338335321
Percentage of CapitalizationLongtermDebtAndEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContributionsInAidOfConstruction



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value104101979591898785828079787676757474737371706969646362616160605959595858565649
Percentage of ContributionsInAidOfConstruction100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscount



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value4417000.04470000.04506000.04551000.03857000.03912000.03969000.04008000.03280000.03276000.03309000.03276000.03216000.03238000.03287000.03338000.03248000.03284000.03339000.0
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedPremium



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value7866000.07964000.08064000.08164000.01150000.01204000.01259000.01314000.01369000.01314000.01367000.01335000.01388000.01442000.01495000.01548000.01602000.01654000.01707000.01760000.01814000.01867000.01920000.01972000.01967000.02017000.02072000.02124000.02236000.0
Percentage of DebtInstrumentUnamortizedPremium100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredRevenueCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1329000.01210000.01211000.01048000.01047000.01025000.01036000.01036000.0974000.0966000.0951000.0962000.0967000.0922000.0923000.0904000.0899000.0890000.0880000.0872000.0861000.0851000.0839000.0852000.0778000.0781000.0837000.0755000.0759000.0752000.0756000.0753000.0743000.0684000.0734000.0751000.0866000.0864000.0
Percentage of DeferredRevenueCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GuarantyLiabilities



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value1300000.01400000.01400000.01400000.01500000.01500000.01500000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0100000.0200000.0200000.0200000.0200000.0300000.0300000.0300000.0300000.0300000.0400000.0
Percentage of GuarantyLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2092000.0862000.02031000.0799000.01279000.0587000.01289000.0548000.01259000.0502000.01093000.0391000.01078000.0411000.01084000.0401000.01091000.0418000.01104000.0411000.01118000.0454000.01134000.0431000.01150000.0451000.01151000.0442000.0955000.0
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-31
Value18818919018118318518218418518714614914514314214214113913714112712712694
Percentage of LiabilitiesOtherThanLongtermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity



Period End2020-06-302020-03-31
Value3733
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0100.0

us-gaap:LineOfCreditFacility

msex:BankOfAmerica



Period End2020-06-302020-03-31
Value1.011
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity2.732.8

msex:CoBank



Period End2020-06-302020-03-31
Value7.52.0
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity20.06.0

msex:PncBank



Period End2020-06-302020-03-31
Value2920
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity77.361.2

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity



Period End2020-06-302020-03-31
Value102106
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0

us-gaap:LineOfCreditFacility

msex:BankOfAmerica



Period End2020-06-302020-03-31
Value5949
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity57.646.0

msex:CoBank



Period End2020-06-302020-03-31
Value4.510.0
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity4.49.4

msex:PncBank



Period End2020-06-302020-03-31
Value3947
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity38.044.6

us-gaap:SubsequentEventType

us-gaap:SubsequentEvent



Period End2020-07-312020-04-30
Value106106
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity0.00.0

us-gaap:OperatingLeaseLiability



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5329000.05558000.05732000.05908000.06084000.06260000.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:OtherLongTermDebt



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value91878380729676149465452646261595653535453525350434444454546474749
Percentage of OtherLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLongTermDebtCurrent



Period End2020-06-302020-03-312019-12-312018-12-31
Value7340000.07171000.07178000.07343000.0
Percentage of OtherLongTermDebtCurrent100.0100.0100.0100.0

us-gaap:PreferredStockSharesAuthorized



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value120000.0120000.0120000.0123000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126000.0126.0126000.0126000.0126000.0126000.0126000.0130000.0130000.0130000.0130000.0130000.0130000.0
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PreferredStockSharesOutstanding



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value20000.020000.020000.020000.023000.023000.023000.023000.024000.024000.024000.024000.024000.024000.024000.024000.024000.024.024000.024000.024000.024000.024000.024000.024000.028000.028000.028000.028000.0
Percentage of PreferredStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

msex:NonredeemablePreferredStock1



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value10000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.04750.04750.010000.010000.010.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.0
Percentage of PreferredStockSharesOutstanding50.050.050.050.043.543.543.543.541.741.741.741.741.719.819.841.741.741.741.741.741.741.741.741.741.735.735.735.735.7

us-gaap:ConvertiblePreferredStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value10000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.010000.07000.07000.010000.010000.010.010000.010000.010000.010000.010000.010000.010000.014000.014000.014000.014000.0
Percentage of PreferredStockSharesOutstanding50.050.050.050.043.543.543.543.541.741.741.741.741.729.229.241.741.741.741.741.741.741.741.741.741.750.050.050.050.0

us-gaap:NonredeemablePreferredStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1000.01000.01000.01000.01000.01000.01000.01000.01000.01000.01000.01000.01000.07000.07000.01000.01000.01.01000.01000.01000.01000.01000.01000.01000.01000.01000.01000.01000.0
Percentage of PreferredStockSharesOutstanding5.05.05.05.04.34.34.34.34.24.24.24.24.229.229.24.24.24.24.24.24.24.24.24.24.23.63.63.63.6

us-gaap:PreferredStockValue



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value2084000.02084000.02084000.02084000.02433000.02433000.02433000.02433000.02433000.02433000.02433000.02433000.02435000.02436000.02436000.02436000.02436000.02436000.02436000.02436000.02436000.02436000.02436000.02436000.02435000.02859000.02886000.02886000.03353000.0
Percentage of PreferredStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StatementClassOfStock

us-gaap:ConvertiblePreferredStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value1005000.01005000.01005000.01005000.01005000.01005000.01005000.01005000.01005000.01005000.01005000.01005000.01007000.01007000.01007000.01007000.01007000.01007000.01007000.01007000.01007000.01007000.01007000.01007000.01006000.01429000.01457000.01457000.01457000.0
Percentage of PreferredStockValue48.248.248.248.241.341.341.341.341.341.341.341.341.441.341.341.341.341.341.341.341.341.341.341.341.350.050.550.543.5

us-gaap:NonredeemablePreferredStock



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value79000.079000.079000.079000.079000.079000.079000.078000.079000.078000.078000.079000.079000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.080000.0
Percentage of PreferredStockValue3.83.83.83.83.23.23.23.23.23.23.23.23.23.33.33.33.33.33.33.33.33.33.33.33.32.82.82.82.4

us-gaap:PrepaidExpenseCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value3961000.01790000.02367000.03577000.03917000.02263000.02644000.03519000.03805000.02052000.02408000.02588000.02912000.01551000.02024000.02813000.03242000.01992000.02035000.02736000.02880000.01543000.01989000.02981000.03038000.01461000.01728000.02691000.02734000.01741000.02255000.02262000.02242000.01121000.01622000.02123000.02237000.01401000.0
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesInventory



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value5274000.05276000.05445000.05159000.05375000.05479000.05411000.05633000.04826000.04155000.04118000.04441000.04881000.04641000.04094000.04399000.04732000.02895000.02600000.02681000.02323000.02216000.02253000.02138000.02358000.02143000.01984000.01988000.02104000.01976000.01403000.01452000.02041000.02003000.02023000.02009000.01949000.02196000.0
Percentage of PublicUtilitiesInventory100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value17717317016616316015715415114914614314013813513313112912612412112011711511311111010710410210098959392908884
Percentage of PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value61487569564032372618112113141220149.5285.734129.527108.145116.7746.2018.411012117.834129.941412161411
Percentage of PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value161161160157157156156155154154153149149147146146144143142140140138138136135133132131130130129129129128127125124118
Percentage of PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentNet



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value746726705677654628618599580564557545533524517506497486481477473468465456451447446442440437435433429425422417412398
Percentage of PublicUtilitiesPropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8282838078777471706969676766636262616160595858575756555555545453544847454444
Percentage of PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentPlantInService



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value923900875844818789775753732713703688673662653640628615608601595588583572564559556550545540535531525519514507500483
Percentage of PublicUtilitiesPropertyPlantAndEquipmentPlantInService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value617607556536525515512489480471468449443435430411407401398388386380378366364362359352346343343334332329326320317308
Percentage of PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RegulatoryAssetsNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value111110110100999899101999958606060605758585865646566343434345859607265666667373738
Percentage of RegulatoryAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RegulatoryLiabilityNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value6467697273767981838443111111111111111010101010109.8289.6139.6399.4498.811
Percentage of RegulatoryLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value283744531.171.8021.9561.9563.1570.7781.460.4390.4390.4390.4390.4390.4390.4390.4390.4390.4551.5962.5733.4384.9371.8862.4733.0915.3622.6349.0194.0535.8382.5183.264.5525.9117.056
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnbilledReceivablesCurrent



Period End2020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value8939000.06702000.07183000.09417000.08245000.06940000.07293000.09097000.08744000.06992000.06999000.08628000.08284000.06378000.06590000.08531000.08154000.06539000.06246000.07991000.07592000.06187000.05937000.07427000.07054000.05306000.05652000.06993000.05483000.0
Percentage of UnbilledReceivablesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


us-gaap:RegulatedAndUnregulatedOperatingRevenue
us-gaap:StatementBusinessSegments
(None,)

us-gaap:OperatingIncomeLoss
us-gaap:StatementBusinessSegments
(None,)

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments
(None,)

Operating Margin
us-gaap:StatementBusinessSegments
(None,)

us-gaap:Assets
us-gaap:StatementBusinessSegments
(None,)

us-gaap:LongTermDebt
us-gaap:DebtInstrument
(None,)

us-gaap:NetIncomeLoss
us-gaap:StatementBusinessSegments
(None,)

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
us-gaap:StatementBusinessSegments
(None,)