10-K Filing

AMERICAN STATES WATER CO CIK: 1056903 FY 2016

Filing Information

Form Type	10-K
Accession Number	`0001056903-17-000003`
Period End Date	20161231
Filing Date	20170223
Fiscal Year	2016
Fiscal Period	FY
XBRL Instance	awr-20161231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 106 Income Statement 93 Cash Flow Statement 116 Stockholders Equity 37

Balance Sheet 106 line items

Line Item	Tag	Value	Unit	Period
Water	`UtilitiesWaterPropertyPlantAndEquipmentGross`	$1.51B	USD	Point-in-time
Water	`UtilitiesWaterPropertyPlantAndEquipmentGross`	$1.43B	USD	Point-in-time
Electric	`UtilitiesElectricPropertyPlantAndEquipmentGross`	$88.48M	USD	Point-in-time
Electric	`UtilitiesElectricPropertyPlantAndEquipmentGross`	$94.01M	USD	Point-in-time
Total	`UtilitiesPropertyPlantAndEquipmentGross`	$1.52B	USD	Point-in-time
Total	`UtilitiesPropertyPlantAndEquipmentGross`	$1.61B	USD	Point-in-time
Non-regulated utility property, at cost	`NonUtilitiesPropertyPlantAndEquipmentGross`	$11.90M	USD	Point-in-time
Non-regulated utility property, at cost	`NonUtilitiesPropertyPlantAndEquipmentGross`	$11.03M	USD	Point-in-time
Total utility plant, at cost	`PropertyPlantAndEquipmentGross`	$1.62B	USD	Point-in-time
Total utility plant, at cost	`PropertyPlantAndEquipmentGross`	$1.53B	USD	Point-in-time
Less accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$529.70M	USD	Point-in-time
Less accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$532.75M	USD	Point-in-time
Utility plant before construction work in progress	`PropertyPlantAndEquipmentBeforeConstructionWorkInProgress`	$997.84M	USD	Point-in-time
Utility plant before construction work in progress	`PropertyPlantAndEquipmentBeforeConstructionWorkInProgress`	$1.09B	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$63.35M	USD	Point-in-time
Construction work in progress	`ConstructionInProgressGross`	$62.95M	USD	Point-in-time
Net utility plant	`PropertyPlantAndEquipmentNet`	$1.15B	USD	Point-in-time
Net utility plant	`PropertyPlantAndEquipmentNet`	$1.00B	USD	Point-in-time
Net utility plant	`PropertyPlantAndEquipmentNet`	$1.06B	USD	Point-in-time
Goodwill	`Goodwill`	$1.12M	USD	Point-in-time
Goodwill	`Goodwill`	$1.12M	USD	Point-in-time
Other property and investments	`PropertyPlantAndEquipmentAndInvestmentsOtherNet`	$20.84M	USD	Point-in-time
Other property and investments	`PropertyPlantAndEquipmentAndInvestmentsOtherNet`	$18.71M	USD	Point-in-time
Total other property and investments	`PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet`	$19.83M	USD	Point-in-time
Total other property and investments	`PropertyPlantAndEquipmentAndInvestmentsOtherAndGoodwillNet`	$21.95M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$75.99M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.36M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$436.00K	USD	Point-in-time
Accounts receivable-customers, less allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$18.94M	USD	Point-in-time
Accounts receivable-customers, less allowance for doubtful accounts	`AccountsReceivableNetCurrent`	$19.99M	USD	Point-in-time
Unbilled revenue	`UnbilledReceivablesCurrent`	$24.39M	USD	Point-in-time
Unbilled revenue	`UnbilledReceivablesCurrent`	$19.49M	USD	Point-in-time
Receivable from U.S. government, less allowance for doubtful accounts	`AccountsReceivableFromUSGovernmentNetCurrent`	$8.47M	USD	Point-in-time
Receivable from U.S. government, less allowance for doubtful accounts	`AccountsReceivableFromUSGovernmentNetCurrent`	$5.86M	USD	Point-in-time
Other accounts receivable, less allowance for doubtful accounts	`AccountsAndOtherReceivablesNetCurrent`	$3.15M	USD	Point-in-time
Other accounts receivable, less allowance for doubtful accounts	`AccountsAndOtherReceivablesNetCurrent`	$2.30M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$17.87M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$10.79M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSupplies`	$4.29M	USD	Point-in-time
Materials and supplies	`InventoryRawMaterialsAndSupplies`	$5.42M	USD	Point-in-time
Regulatory assets current	`RegulatoryAssetsCurrent`	$30.13M	USD	Point-in-time
Regulatory assets current	`RegulatoryAssetsCurrent`	$43.30M	USD	Point-in-time
Prepayments and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$3.23M	USD	Point-in-time
Prepayments and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$3.73M	USD	Point-in-time
Costs and estimated earnings in excess of billings on contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$41.24M	USD	Point-in-time
Costs and estimated earnings in excess of billings on contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear`	$32.17M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$166.88M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$132.70M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$102.56M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$102.98M	USD	Point-in-time
Costs and estimated earnings in excess of billings on contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear`	$21.33M	USD	Point-in-time
Costs and estimated earnings in excess of billings on contracts	`CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedAfterOneYear`	$22.69M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$6.75M	USD	Point-in-time
Other	`OtherAssetsNoncurrent`	$5.07M	USD	Point-in-time
Total regulatory and other assets	`RegulatoryAndOtherAssets`	$130.74M	USD	Point-in-time
Total regulatory and other assets	`RegulatoryAndOtherAssets`	$130.64M	USD	Point-in-time
Total Assets	`Assets`	$1.47B	USD	Point-in-time
Total Assets	`Assets`	$1.34B	USD	Point-in-time
Common shareholders equity	`StockholdersEquity`	$494.30M	USD	Point-in-time
Common shareholders equity	`StockholdersEquity`	$506.80M	USD	Point-in-time
Common shareholders equity	`StockholdersEquity`	$465.94M	USD	Point-in-time
Common shareholders equity	`StockholdersEquity`	$492.40M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$320.90M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$320.98M	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$786.85M	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$815.28M	USD	Point-in-time
Notes payable to banks	`NotesPayableToBankCurrent`	$90.00M	USD	Point-in-time
Notes payable to banks	`NotesPayableToBankCurrent`	$28.00M	USD	Point-in-time
Long-term debt current	`LongTermDebtCurrent`	$312.00K	USD	Point-in-time
Long-term debt current	`LongTermDebtCurrent`	$330.00K	USD	Point-in-time
Income taxes payable	`TaxesPayableCurrent`	$68.00K	USD	Point-in-time
Income taxes payable	`TaxesPayableCurrent`	$149.00K	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$50.59M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$43.72M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$8.14M	USD	Point-in-time
Accrued other taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$9.11M	USD	Point-in-time
Accrued other taxes	`EmployeeRelatedLiabilitiesCurrent`	$12.30M	USD	Point-in-time
Accrued other taxes	`EmployeeRelatedLiabilitiesCurrent`	$11.75M	USD	Point-in-time
Accrued employee expenses	`AccruedLiabilitiesCurrent`	$3.63M	USD	Point-in-time
Accrued employee expenses	`AccruedLiabilitiesCurrent`	$3.86M	USD	Point-in-time
Accrued interest	`AccumulatedUnrealizedLossOnEnergyContracts`	$4.90M	USD	Point-in-time
Accrued interest	`AccumulatedUnrealizedLossOnEnergyContracts`	$7.05M	USD	Point-in-time
Billings in excess of costs and estimated earnings on contracts	`BillingsInExcessOfCostCurrent`	$2.26M	USD	Point-in-time
Billings in excess of costs and estimated earnings on contracts	`BillingsInExcessOfCostCurrent`	$3.76M	USD	Point-in-time
Unrealized loss on purchased power contracts	`OtherLiabilitiesCurrent`	$10.21M	USD	Point-in-time
Unrealized loss on purchased power contracts	`OtherLiabilitiesCurrent`	$11.30M	USD	Point-in-time
Other	`LiabilitiesCurrent`	$123.51M	USD	Point-in-time
Other	`LiabilitiesCurrent`	$177.94M	USD	Point-in-time
Other Credits	`CustomerAdvancesForConstruction`	$69.72M	USD	Point-in-time
Other Credits	`CustomerAdvancesForConstruction`	$68.04M	USD	Point-in-time
Advances for construction	`ContributionsInAidOfConstruction`	$120.52M	USD	Point-in-time
Advances for construction	`ContributionsInAidOfConstruction`	$117.81M	USD	Point-in-time
Contributions in aid of construction net	`DeferredTaxLiabilitiesNoncurrent`	$192.85M	USD	Point-in-time
Contributions in aid of construction net	`DeferredTaxLiabilitiesNoncurrent`	$224.53M	USD	Point-in-time
Deferred income taxes	`AccumulatedDeferredInvestmentTaxCredit`	$1.53M	USD	Point-in-time
Deferred income taxes	`AccumulatedDeferredInvestmentTaxCredit`	$1.61M	USD	Point-in-time
Unamortized investment tax credits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$42.67M	USD	Point-in-time
Unamortized investment tax credits	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$49.86M	USD	Point-in-time
Accrued pension and other post-retirement benefits	`OtherLiabilitiesNoncurrent`	$11.12M	USD	Point-in-time
Accrued pension and other post-retirement benefits	`OtherLiabilitiesNoncurrent`	$10.63M	USD	Point-in-time
Other	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$477.27M	USD	Point-in-time
Other	`LiabilitiesOtherThanLongtermDebtNoncurrent`	$433.61M	USD	Point-in-time
Commitments and Contingencies (Notes 13 and 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies (Notes 13 and 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$1.47B	USD	Point-in-time
Total Capitalization and Liabilities	`LiabilitiesAndStockholdersEquity`	$1.34B	USD	Point-in-time

Income Statement 93 line items

Line Item	Tag	Value	Unit	Period
Water	`RegulatedOperatingRevenueWater`	$302.93M	USD	Annual
Water	`RegulatedOperatingRevenueWater`	$328.51M	USD	Annual
Water	`RegulatedOperatingRevenueWater`	$326.67M	USD	Annual
Electric	`ElectricDomesticRegulatedRevenue`	$35.77M	USD	Annual
Electric	`ElectricDomesticRegulatedRevenue`	$34.39M	USD	Annual
Electric	`ElectricDomesticRegulatedRevenue`	$36.04M	USD	Annual
Contracted services	`ContractsRevenue`	$94.09M	USD	Annual
Contracted services	`ContractsRevenue`	$97.39M	USD	Annual
Contracted services	`ContractsRevenue`	$104.73M	USD	Annual
Total operating revenues	`SalesRevenueNet`	$436.09M	USD	Annual
Total operating revenues	`SalesRevenueNet`	$465.79M	USD	Annual
Total operating revenues	`SalesRevenueNet`	$458.64M	USD	Annual
Water purchased	`CostOfPurchasedWater`	$57.79M	USD	Annual
Water purchased	`CostOfPurchasedWater`	$64.44M	USD	Annual
Water purchased	`CostOfPurchasedWater`	$62.73M	USD	Annual
Power purchased for pumping	`PowerPurchasedForPumping`	$8.66M	USD	Annual
Power purchased for pumping	`PowerPurchasedForPumping`	$8.99M	USD	Annual
Power purchased for pumping	`PowerPurchasedForPumping`	$10.70M	USD	Annual
Groundwater production assessment	`GroundwaterProductionAssessment`	$13.65M	USD	Annual
Groundwater production assessment	`GroundwaterProductionAssessment`	$16.45M	USD	Annual
Groundwater production assessment	`GroundwaterProductionAssessment`	$14.99M	USD	Annual
Power purchased for resale	`CostOfPurchasedPower`	$9.65M	USD	Annual
Power purchased for resale	`CostOfPurchasedPower`	$10.39M	USD	Annual
Power purchased for resale	`CostOfPurchasedPower`	$10.39M	USD	Annual
Supply cost balancing accounts	`SupplyCostBalancingAccounts`	$7.79M	USD	Annual
Supply cost balancing accounts	`SupplyCostBalancingAccounts`	$-12.21M	USD	Annual
Supply cost balancing accounts	`SupplyCostBalancingAccounts`	$6.35M	USD	Annual
Other operation	`OtherCostAndExpenseOperating`	$28.29M	USD	Annual
Other operation	`OtherCostAndExpenseOperating`	$28.43M	USD	Annual
Other operation	`OtherCostAndExpenseOperating`	$28.26M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$80.99M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$79.82M	USD	Annual
Administrative and general	`GeneralAndAdministrativeExpense`	$78.27M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$41.07M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$42.03M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$38.85M	USD	Annual
Maintenance	`CostOfPropertyRepairsAndMaintenance`	$16.09M	USD	Annual
Maintenance	`CostOfPropertyRepairsAndMaintenance`	$16.89M	USD	Annual
Maintenance	`CostOfPropertyRepairsAndMaintenance`	$16.47M	USD	Annual
Property and other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$16.72M	USD	Annual
Property and other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$16.64M	USD	Annual
Property and other taxes	`TaxesExcludingIncomeAndExciseTaxes`	$16.80M	USD	Annual
Construction and Development Costs	`ConstructionAndDevelopmentCosts`	$65.37M	USD	Annual
Construction and Development Costs	`ConstructionAndDevelopmentCosts`	$53.72M	USD	Annual
Construction and Development Costs	`ConstructionAndDevelopmentCosts`	$52.81M	USD	Annual
Total operating expenses	`OperatingExpenses`	$340.15M	USD	Annual
Total operating expenses	`OperatingExpenses`	$321.37M	USD	Annual
Total operating expenses	`OperatingExpenses`	$346.75M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$114.72M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$118.49M	USD	Annual
Operating Income	`OperatingIncomeLoss`	$119.05M	USD	Annual
Interest expense	`InterestExpense`	$21.09M	USD	Annual
Interest expense	`InterestExpense`	$21.62M	USD	Annual
Interest expense	`InterestExpense`	$21.99M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$927.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$757.00K	USD	Annual
Interest income	`InvestmentIncomeInterest`	$458.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$356.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$997.00K	USD	Annual
Other, net	`OtherNonoperatingIncomeExpense`	$751.00K	USD	Annual
Total other income and expenses	`NonoperatingIncomeExpense`	$-20.27M	USD	Annual
Total other income and expenses	`NonoperatingIncomeExpense`	$-20.24M	USD	Annual
Total other income and expenses	`NonoperatingIncomeExpense`	$-19.94M	USD	Annual
Income from operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$94.48M	USD	Annual
Income from operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$98.22M	USD	Annual
Income from operations before income tax expense	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$99.11M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$34.73M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$37.73M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$38.05M	USD	Annual
Net Income	`NetIncomeLoss`	$61.06M	USD	Annual
Net Income	`NetIncomeLoss`	$60.48M	USD	Annual
Net Income	`NetIncomeLoss`	$59.74M	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.57	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.61	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.63	USD	Annual
Net Income (in dollars per share)	`EarningsPerShareBasic`	$1.57	USD	Annual
Net Income (in dollars per share)	`EarningsPerShareBasic`	$1.61	USD	Annual
Net Income (in dollars per share)	`EarningsPerShareBasic`	$1.63	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.62	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.60	USD	Annual
Income from continuing operations (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.57	USD	Annual
Net Income (in dollars per share)	`EarningsPerShareDiluted`	$1.60	USD	Annual
Net Income (in dollars per share)	`EarningsPerShareDiluted`	$1.62	USD	Annual
Net Income (in dollars per share)	`EarningsPerShareDiluted`	$1.57	USD	Annual
Weighted Average Number of Shares Outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	37.39M	shares	Annual
Weighted Average Number of Shares Outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	38.66M	shares	Annual
Weighted Average Number of Shares Outstanding (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	36.55M	shares	Annual
Weighted Average Number of Diluted Shares (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	37.61M	shares	Annual
Weighted Average Number of Diluted Shares (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	38.88M	shares	Annual
Weighted Average Number of Diluted Shares (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	36.75M	shares	Annual
Dividends Declared Per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.83	USD	Annual
Dividends Declared Per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.91	USD	Annual
Dividends Declared Per Common Share (in dollars per share)	`CommonStockDividendsPerShareDeclared`	$0.87	USD	Annual

Cash Flow Statement 116 line items

Line Item	Tag	Value	Unit	Period
Net Income	`NetIncomeLoss`	$61.06M	USD	Annual
Net Income	`NetIncomeLoss`	$60.48M	USD	Annual
Net Income	`NetIncomeLoss`	$59.74M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$39.11M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$42.67M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$41.75M	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$991.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$870.00K	USD	Annual
Provision for doubtful accounts	`ProvisionForDoubtfulAccounts`	$619.00K	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$27.64M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$10.42M	USD	Annual
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndTaxCredits`	$32.32M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$2.22M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$2.54M	USD	Annual
Stock-based compensation expense	`ShareBasedCompensation`	$2.75M	USD	Annual
Other - net	`OtherNoncashIncomeExpense`	$-838.00K	USD	Annual
Other - net	`OtherNoncashIncomeExpense`	$397.00K	USD	Annual
Other - net	`OtherNoncashIncomeExpense`	-	USD	Annual
Accounts receivable - customers	`IncreaseDecreaseInAccountsReceivable`	$923.00K	USD	Annual
Accounts receivable - customers	`IncreaseDecreaseInAccountsReceivable`	$1.75M	USD	Annual
Accounts receivable - customers	`IncreaseDecreaseInAccountsReceivable`	$-3.98M	USD	Annual
Unbilled revenue	`IncreaseDecreaseInUnbilledReceivables`	$4.90M	USD	Annual
Unbilled revenue	`IncreaseDecreaseInUnbilledReceivables`	$2.87M	USD	Annual
Unbilled revenue	`IncreaseDecreaseInUnbilledReceivables`	$-1.93M	USD	Annual
Other accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-1.03M	USD	Annual
Other accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$1.23M	USD	Annual
Other accounts receivable	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-1.24M	USD	Annual
Receivables from the U.S. government	`IncreaseDecreaseReceivableFromGovernment`	$-848.00K	USD	Annual
Receivables from the U.S. government	`IncreaseDecreaseReceivableFromGovernment`	$-397.00K	USD	Annual
Receivables from the U.S. government	`IncreaseDecreaseReceivableFromGovernment`	$2.61M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$-1.12M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$1.83M	USD	Annual
Materials and supplies	`IncreaseDecreaseInMaterialsAndSupplies`	$-970.00K	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-2.24M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-1.58M	USD	Annual
Prepayments and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-973.00K	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrPrograms`	$3.22M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrPrograms`	$10.43M	USD	Annual
Costs and estimated earnings in excess of billings on uncompleted contracts	`IncreaseDecreaseInCostsInExcessOfBillingsOnUncompletedContractsOrPrograms`	$-6.16M	USD	Annual
Increase (Decrease) in Regulatory Assets and Liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$-26.39M	USD	Annual
Increase (Decrease) in Regulatory Assets and Liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$26.42M	USD	Annual
Increase (Decrease) in Regulatory Assets and Liabilities	`IncreaseDecreaseInRegulatoryAssetsAndLiabilities`	$5.61M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$679.00K	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-3.44M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-1.62M	USD	Annual
Income taxes receivable/payable	`IncreaseDecreaseInIncomeTaxes`	$-11.65M	USD	Annual
Income taxes receivable/payable	`IncreaseDecreaseInIncomeTaxes`	$9.63M	USD	Annual
Income taxes receivable/payable	`IncreaseDecreaseInIncomeTaxes`	$-6.99M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$4.88M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$-1.50M	USD	Annual
Billings in excess of costs and estimated earnings on uncompleted contracts	`IncreaseDecreaseInBillingInExcessOfCostOfEarnings`	$-7.97M	USD	Annual
Increase (Decrease) in Pension and Postretirement Obligations	`IncreaseDecreaseInPensionAndPostretirementObligations`	$616.00K	USD	Annual
Increase (Decrease) in Pension and Postretirement Obligations	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-289.00K	USD	Annual
Increase (Decrease) in Pension and Postretirement Obligations	`IncreaseDecreaseInPensionAndPostretirementObligations`	$-2.36M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-1.35M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$3.10M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$941.00K	USD	Annual
Net cash provided	`NetCashProvidedByUsedInOperatingActivities`	$95.14M	USD	Annual
Net cash provided	`NetCashProvidedByUsedInOperatingActivities`	$96.95M	USD	Annual
Net cash provided	`NetCashProvidedByUsedInOperatingActivities`	$163.27M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$129.87M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$72.55M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$87.32M	USD	Annual
Payments to Acquire Investments	`PaymentsToAcquireInvestments`	$1.35M	USD	Annual
Payments to Acquire Investments	`PaymentsToAcquireInvestments`	$1.57M	USD	Annual
Payments to Acquire Investments	`PaymentsToAcquireInvestments`	$2.87M	USD	Annual
Proceeds from Sale of Property, Plant, and Equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$62.00K	USD	Annual
Proceeds from Sale of Property, Plant, and Equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$54.00K	USD	Annual
Proceeds from Sale of Property, Plant, and Equipment	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	Annual
Net cash used	`NetCashProvidedByUsedInInvestingActivities`	$-90.14M	USD	Annual
Net cash used	`NetCashProvidedByUsedInInvestingActivities`	$-131.22M	USD	Annual
Net cash used	`NetCashProvidedByUsedInInvestingActivities`	$-74.06M	USD	Annual
Proceeds from Issuance of Common Shares and Stock Option Exercises	`ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises`	$589.00K	USD	Annual
Proceeds from Issuance of Common Shares and Stock Option Exercises	`ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises`	$235.00K	USD	Annual
Proceeds from Issuance of Common Shares and Stock Option Exercises	`ProceedsFromIssuanceOfCommonSharesAndStockOptionExercises`	$1.20M	USD	Annual
Payments for Repurchase of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$17.18M	USD	Annual
Payments for Repurchase of Common Stock	`PaymentsForRepurchaseOfCommonStock`	$72.89M	USD	Annual
Payments for Repurchase of Common Stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Tax benefits from exercise of stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$877.00K	USD	Annual
Tax benefits from exercise of stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$581.00K	USD	Annual
Tax benefits from exercise of stock-based awards	`ExcessTaxBenefitFromShareBasedCompensationFinancingActivities`	$533.00K	USD	Annual
Receipt of advances for and contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$6.66M	USD	Annual
Receipt of advances for and contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$3.73M	USD	Annual
Receipt of advances for and contributions in aid of construction	`ProceedsFromContributionInAidOfConstruction`	$7.60M	USD	Annual
Refunds on advances for construction	`RepaymentsOfAdvancesForConstruction`	$3.66M	USD	Annual
Refunds on advances for construction	`RepaymentsOfAdvancesForConstruction`	$3.92M	USD	Annual
Refunds on advances for construction	`RepaymentsOfAdvancesForConstruction`	$3.47M	USD	Annual
Retirement or repayments of long-term debt	`RepaymentsOfLongTermDebt`	$313.00K	USD	Annual
Retirement or repayments of long-term debt	`RepaymentsOfLongTermDebt`	$237.00K	USD	Annual
Retirement or repayments of long-term debt	`RepaymentsOfLongTermDebt`	$21.29M	USD	Annual
Proceeds from issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$14.85M	USD	Annual
Proceeds from issuance of long-term debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Net change in notes payable to banks	`PaymentsForProceedsFromNotesPayableToBank`	$-62.00M	USD	Annual
Net change in notes payable to banks	`PaymentsForProceedsFromNotesPayableToBank`	-	USD	Annual
Net change in notes payable to banks	`PaymentsForProceedsFromNotesPayableToBank`	$-28.00M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$32.69M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$33.41M	USD	Annual
Dividends paid	`PaymentsOfDividends`	$32.11M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-957.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.49M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-968.00K	USD	Annual
Net cash provided (used)	`NetCashProvidedByUsedInFinancingActivities`	$-76.63M	USD	Annual
Net cash provided (used)	`NetCashProvidedByUsedInFinancingActivities`	$30.34M	USD	Annual
Net cash provided (used)	`NetCashProvidedByUsedInFinancingActivities`	$-51.45M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-71.62M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-3.93M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$37.76M	USD	Annual
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$75.99M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$436.00K	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$4.36M	USD	Point-in-time
Cash and cash equivalents, beginning of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$38.23M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$75.99M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$436.00K	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$4.36M	USD	Point-in-time
Cash and cash equivalents, end of year	`CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations`	$38.23M	USD	Point-in-time

Stockholders Equity 37 line items

Line Item	Tag	Value	Unit	Period
Balances	`StockholdersEquity`	$494.30M	USD	Point-in-time
Balances	`StockholdersEquity`	$506.80M	USD	Point-in-time
Balances	`StockholdersEquity`	$465.94M	USD	Point-in-time
Balances	`StockholdersEquity`	$492.40M	USD	Point-in-time
Net Income	`NetIncomeLoss`	$61.06M	USD	Annual
Net Income	`NetIncomeLoss`	$60.48M	USD	Annual
Net Income	`NetIncomeLoss`	$59.74M	USD	Annual
Issuance of Common Shares	`StockIssuedDuringPeriodValueNewIssues`	$589.00K	USD	Annual
Issuance of Common Shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	74,145.00	shares	Annual
Issuance of Common Shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	56,900.00	shares	Annual
Issuance of Common Shares (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	53,612.00	shares	Annual
Exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	37,006.00	shares	Annual
Exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	66,458.00	shares	Annual
Exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	12,546.00	shares	Annual
Exercise of stock options and other issuance of Common Shares	`StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised`	$235.00K	USD	Annual
Exercise of stock options and other issuance of Common Shares	`StockIssuedDuringPeriodValueNewIssuesAndStockOptionsExercised`	$1.20M	USD	Annual
Tax benefit from employee stock-based awards	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$581.00K	USD	Annual
Tax benefit from employee stock-based awards	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$877.00K	USD	Annual
Tax benefit from employee stock-based awards	`AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation`	$533.00K	USD	Annual
Compensation on stock-based awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.17M	USD	Annual
Compensation on stock-based awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.20M	USD	Annual
Compensation on stock-based awards	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$1.51M	USD	Annual
Dividend equivalent rights on stock-based awards not paid in cash	`DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax`	$197.00K	USD	Annual
Dividend equivalent rights on stock-based awards not paid in cash	`DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax`	$270.00K	USD	Annual
Dividend equivalent rights on stock-based awards not paid in cash	`DividendsEquivalentRightsOnShareBasedCompensationNotPaidInCashNetOfTax`	$193.00K	USD	Annual
Stock Repurchased During Period, Value	`StockRepurchasedDuringPeriodValue`	$17.18M	USD	Annual
Stock Repurchased During Period, Value	`StockRepurchasedDuringPeriodValue`	$72.89M	USD	Annual
Dividends on Common Shares	`DividendsCommonStock`	$32.69M	USD	Annual
Dividends on Common Shares	`DividendsCommonStock`	$32.11M	USD	Annual
Dividends on Common Shares	`DividendsCommonStock`	$33.41M	USD	Annual
Dividend equivalent rights on stock-based awards	`DividendsEquivalentRightsOnShareBasedCompensationNetOfTax`	$197.00K	USD	Annual
Dividend equivalent rights on stock-based awards	`DividendsEquivalentRightsOnShareBasedCompensationNetOfTax`	$270.00K	USD	Annual
Dividend equivalent rights on stock-based awards	`DividendsEquivalentRightsOnShareBasedCompensationNetOfTax`	$193.00K	USD	Annual
Balances	`StockholdersEquity`	$494.30M	USD	Point-in-time
Balances	`StockholdersEquity`	$506.80M	USD	Point-in-time
Balances	`StockholdersEquity`	$465.94M	USD	Point-in-time
Balances	`StockholdersEquity`	$492.40M	USD	Point-in-time

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.