10-K Filing

Northwest Natural Holding Co CIK: 1733998 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001733998-19-000004`
Period End Date	20181231
Filing Date	20190301
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	nwn-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 110 Income Statement 180 Cash Flow Statement 127 Stockholders Equity 26 Comprehensive Income 6

Balance Sheet 110 line items

Line Item	Tag	Value	Unit	Period
Par Value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Par Value (in dollars per share)	`CommonStockNoParValue`	-	USD	Point-in-time
Shares Authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Shares Authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Shares outstanding (in shares)	`CommonStockSharesOutstanding`	28.74M	shares	Point-in-time
Shares outstanding (in shares)	`CommonStockSharesOutstanding`	28.88M	shares	Point-in-time
Shares issued (in shares)	`CommonStockSharesIssued`	28.88M	shares	Point-in-time
Shares issued (in shares)	`CommonStockSharesIssued`	28.74M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.47M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$4.21M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$12.63M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.52M	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$66.24M	USD	Point-in-time
Accounts receivable	`AccountsReceivableGrossCurrent`	$66.97M	USD	Point-in-time
Accrued unbilled revenue	`UnbilledReceivablesCurrent`	$62.38M	USD	Point-in-time
Accrued unbilled revenue	`UnbilledReceivablesCurrent`	$57.83M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.29M	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$956.00K	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$977.00K	USD	Point-in-time
Allowance for uncollectible accounts	`AllowanceForDoubtfulAccountsReceivableCurrent`	$870.00K	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$45.78M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsCurrent`	$41.93M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsCurrent`	$1.74M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsCurrent`	$9.00M	USD	Point-in-time
Inventories	`PublicUtilitiesInventory`	$44.15M	USD	Point-in-time
Inventories	`PublicUtilitiesInventory`	$47.58M	USD	Point-in-time
Gas reserves	`DeferredGasCost`	$16.65M	USD	Point-in-time
Gas reserves	`DeferredGasCost`	$15.70M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	-	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$6.00M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$24.95M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$28.47M	USD	Point-in-time
Discontinued operations - current assets	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$13.27M	USD	Point-in-time
Discontinued operations - current assets	`AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$3.06M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$269.94M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$295.92M	USD	Point-in-time
Property, plant, and equipment	`PropertyPlantAndEquipmentGross`	$3.41B	USD	Point-in-time
Property, plant, and equipment	`PropertyPlantAndEquipmentGross`	$3.20B	USD	Point-in-time
Less: Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$960.48M	USD	Point-in-time
Less: Accumulated depreciation	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$993.12M	USD	Point-in-time
Total property, plant, and equipment, net	`PropertyPlantAndEquipmentNet`	$2.42B	USD	Point-in-time
Total property, plant, and equipment, net	`PropertyPlantAndEquipmentNet`	$2.24B	USD	Point-in-time
Gas reserves	`InventoryGasInStorageUndergroundNoncurrent`	$66.20M	USD	Point-in-time
Gas reserves	`InventoryGasInStorageUndergroundNoncurrent`	$84.05M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$371.79M	USD	Point-in-time
Regulatory assets	`RegulatoryAssetsNoncurrent`	$356.61M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsNoncurrent`	$1.31M	USD	Point-in-time
Derivative instruments	`DerivativeAssetsNoncurrent`	$725.00K	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$63.56M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$66.36M	USD	Point-in-time
Goodwill	`Goodwill`	-	USD	Point-in-time
Goodwill	`Goodwill`	$8.95M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$6.50M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$14.15M	USD	Point-in-time
Discontinued operations - non-current assets	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$210.40M	USD	Point-in-time
Discontinued operations - non-current assets	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	-	USD	Point-in-time
Discontinued operations - non-current assets	`DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent`	$10.82M	USD	Point-in-time
Total non-current assets	`AssetsNoncurrent`	$2.77B	USD	Point-in-time
Total non-current assets	`AssetsNoncurrent`	$2.95B	USD	Point-in-time
Total assets	`Assets`	$3.04B	USD	Point-in-time
Total assets	`Assets`	$3.24B	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$217.62M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$54.20M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$29.99M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$96.70M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$115.88M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$111.02M	USD	Point-in-time
Taxes accrued	`AccruedIncomeTaxesCurrent`	$18.88M	USD	Point-in-time
Taxes accrued	`AccruedIncomeTaxesCurrent`	$11.02M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$6.77M	USD	Point-in-time
Interest accrued	`InterestPayableCurrent`	$7.31M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$34.01M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityCurrent`	$47.44M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesCurrent`	$12.38M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesCurrent`	$18.72M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$39.94M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$54.49M	USD	Point-in-time
Discontinued operations - current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$1.59M	USD	Point-in-time
Discontinued operations - current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$12.96M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$381.85M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$509.08M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$706.25M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$683.18M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$270.53M	USD	Point-in-time
Deferred tax liabilities	`DeferredTaxLiabilitiesNoncurrent`	$280.46M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$586.09M	USD	Point-in-time
Regulatory liabilities	`RegulatoryLiabilityNoncurrent`	$611.56M	USD	Point-in-time
Pension and other postretirement benefit liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$221.89M	USD	Point-in-time
Pension and other postretirement benefit liabilities	`PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent`	$223.33M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesNoncurrent`	$4.65M	USD	Point-in-time
Derivative instruments	`DerivativeLiabilitiesNoncurrent`	$3.02M	USD	Point-in-time
Discontinued operations - non-current liabilities	`AssetsOfDisposalGroupIncludingDiscontinuedOperation`	$13.90M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$135.29M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$147.76M	USD	Point-in-time
Discontinued operations - non-current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	-	USD	Point-in-time
Discontinued operations - non-current liabilities	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent`	$12.04M	USD	Point-in-time
Total deferred credits and other non-current liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.23B	USD	Point-in-time
Total deferred credits and other non-current liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.26B	USD	Point-in-time
Commitments and contingencies (see Note 16 and Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 16 and Note 17)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock - no par value; authorized 100,000 shares; issued and outstanding 28,880 and 28,736 at December 31, 2018 and 2017, respectively	`CommonStockValue`	$457.64M	USD	Point-in-time
Common stock - no par value; authorized 100,000 shares; issued and outstanding 28,880 and 28,736 at December 31, 2018 and 2017, respectively	`CommonStockValue`	$448.87M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$302.35M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$312.18M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-7.19M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-8.44M	USD	Point-in-time
Total equity	`StockholdersEquity`	$742.78M	USD	Point-in-time
Total equity	`StockholdersEquity`	$762.63M	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$3.04B	USD	Point-in-time
Total liabilities and equity	`LiabilitiesAndStockholdersEquity`	$3.24B	USD	Point-in-time

Income Statement 180 line items

Line Item	Tag	Value	Unit	Period
Operating revenues	`Revenues`	$86.21M	USD	1 Quarter
Operating revenues	`Revenues`	$706.14M	USD	Annual
Operating revenues	`Revenues`	$295.72M	USD	1 Quarter
Operating revenues	`Revenues`	$91.24M	USD	1 Quarter
Operating revenues	`Revenues`	$755.04M	USD	Annual
Operating revenues	`Revenues`	$263.63M	USD	1 Quarter
Operating revenues	`Revenues`	$226.70M	USD	1 Quarter
Operating revenues	`Revenues`	$668.17M	USD	Annual
Operating revenues	`Revenues`	$124.57M	USD	1 Quarter
Operating revenues	`Revenues`	$238.63M	USD	1 Quarter
Operating revenues	`Revenues`	$134.48M	USD	1 Quarter
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$255.52M	USD	Annual
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$260.59M	USD	Annual
Cost of gas	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$324.80M	USD	Annual
Operations and maintenance	`OperatingCostsAndExpenses`	$156.70M	USD	Annual
Operations and maintenance	`OperatingCostsAndExpenses`	$136.72M	USD	Annual
Operations and maintenance	`OperatingCostsAndExpenses`	$152.36M	USD	Annual
Environmental remediation	`EnvironmentalRemediationExpense`	$15.29M	USD	Annual
Environmental remediation	`EnvironmentalRemediationExpense`	$13.30M	USD	Annual
Environmental remediation	`EnvironmentalRemediationExpense`	$11.13M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$30.64M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$29.24M	USD	Annual
General taxes	`TaxesExcludingIncomeAndExciseTaxes`	$32.17M	USD	Annual
Revenue taxes	`ExciseAndSalesTaxes`	-	USD	Annual
Revenue taxes	`ExciseAndSalesTaxes`	$30.08M	USD	Annual
Revenue taxes	`ExciseAndSalesTaxes`	-	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$85.16M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$81.05M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$77.60M	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	-	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	-	USD	Annual
Other operating expenses	`OtherCostAndExpenseOperating`	$3.23M	USD	Annual
Total operating expenses	`OperatingExpenses`	$604.14M	USD	Annual
Total operating expenses	`OperatingExpenses`	$573.98M	USD	Annual
Total operating expenses	`OperatingExpenses`	$517.46M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$150.72M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$132.16M	USD	Annual
Income from operations	`OperatingIncomeLoss`	$150.90M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-295.00K	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-3.60M	USD	Annual
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-7.15M	USD	Annual
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-38.14M	USD	Annual
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-37.06M	USD	Annual
Interest expense, net	`InterestIncomeExpenseNonoperatingNet`	$-37.53M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$91.50M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$113.08M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$105.43M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$24.19M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$41.01M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$43.01M	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$62.42M	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$34.49M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$41.40M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$4.08M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$72.07M	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$36.78M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$-339.00K	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$67.31M	USD	Annual
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$-11.14M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$42.01M	USD	1 Quarter
Net income from continuing operations	`IncomeLossFromContinuingOperations`	$-7.89M	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-127.70M	USD	Annual
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-124.66M	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-959.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-3.52M	USD	Annual
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-2.74M	USD	Annual
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-608.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-474.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-1.35M	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-659.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-650.00K	USD	1 Quarter
Loss from discontinued operations, net of tax	`IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity`	$-1.09M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$41.54M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-55.62M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$64.57M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$40.31M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-90.17M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$35.82M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$58.90M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-8.49M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$2.73M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-998.00K	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-11.79M	USD	1 Quarter
Change in employee benefit plan liability, net of taxes of ($166) for 2018, $735 for 2017, and $452 for 2016	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$476.00K	USD	Annual
Change in employee benefit plan liability, net of taxes of ($166) for 2018, $735 for 2017, and $452 for 2016	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-744.00K	USD	Annual
Change in employee benefit plan liability, net of taxes of ($166) for 2018, $735 for 2017, and $452 for 2016	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-2.06M	USD	Annual
Amortization of non-qualified employee benefit plan liability, net of taxes of ($278) for 2018, ($374) for 2017, and ($624) for 2016	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$774.00K	USD	Annual
Amortization of non-qualified employee benefit plan liability, net of taxes of ($278) for 2018, ($374) for 2017, and ($624) for 2016	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$955.00K	USD	Annual
Amortization of non-qualified employee benefit plan liability, net of taxes of ($278) for 2018, ($374) for 2017, and ($624) for 2016	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax`	$572.00K	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$59.11M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$65.82M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$-57.11M	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.82M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.79M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	27.65M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.68M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.80M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.63M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.65M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.67M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.85M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.72M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.75M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.80M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.72M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.72M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.82M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.79M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.75M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	27.78M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.87M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.94M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.68M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.80M	shares	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.46	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.26	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.27	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$0.14	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.45	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.34	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$1.20	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.39	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.28	USD	1 Quarter
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$2.51	USD	Annual
Basic (in dollars per share)	`IncomeLossFromContinuingOperationsPerBasicShare`	$-0.01	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.28	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.39	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.44	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.51	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.33	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$0.14	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$-0.01	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.46	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.27	USD	1 Quarter
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$2.25	USD	Annual
Diluted (in dollars per share)	`IncomeLossFromContinuingOperationsPerDilutedShare`	$1.20	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-4.45	USD	Annual
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.13	USD	Annual
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.03	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.04	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-4.34	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.10	USD	Annual
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.04	USD	1 Quarter
Basic (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-4.33	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.04	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.09	USD	Annual
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-4.44	USD	Annual
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.02	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.03	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.04	USD	1 Quarter
Diluted (in dollars per share)	`DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare`	$-0.13	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$-3.14	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.03	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.44	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-1.94	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.41	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.30	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$-0.41	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.24	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.13	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.24	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.41	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.12	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-3.13	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.40	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-1.93	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.03	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.24	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.30	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.24	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.44	USD	1 Quarter

Cash Flow Statement 127 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`NetIncomeLoss`	$41.54M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-55.62M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$64.57M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$40.31M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-90.17M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$35.82M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$58.90M	USD	Annual
Net income (loss)	`NetIncomeLoss`	$-8.49M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$2.73M	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-998.00K	USD	1 Quarter
Net income (loss)	`NetIncomeLoss`	$-11.79M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$85.16M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$81.05M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$77.60M	USD	Annual
Regulatory amortization of gas reserves	`AmortizationOfRegulatoryAsset`	$15.53M	USD	Annual
Regulatory amortization of gas reserves	`AmortizationOfRegulatoryAsset`	$16.68M	USD	Annual
Regulatory amortization of gas reserves	`AmortizationOfRegulatoryAsset`	$16.35M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$-52.41M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$32.06M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$14.36M	USD	Annual
Qualified defined benefit pension plan expense	`PensionExpense`	$8.11M	USD	Annual
Qualified defined benefit pension plan expense	`PensionExpense`	$5.27M	USD	Annual
Qualified defined benefit pension plan expense	`PensionExpense`	$5.36M	USD	Annual
Contributions to qualified defined benefit pension plans	`PensionContributions`	$15.54M	USD	Annual
Contributions to qualified defined benefit pension plans	`PensionContributions`	$19.43M	USD	Annual
Contributions to qualified defined benefit pension plans	`PensionContributions`	$14.47M	USD	Annual
Deferred environmental expenditures, net	`OtherIncreaseDecreaseInEnvironmentalLiabilities`	$-13.72M	USD	Annual
Deferred environmental expenditures, net	`OtherIncreaseDecreaseInEnvironmentalLiabilities`	$-10.47M	USD	Annual
Deferred environmental expenditures, net	`OtherIncreaseDecreaseInEnvironmentalLiabilities`	$-14.53M	USD	Annual
Regulatory disallowance of prior environmental cost deferrals	`EnvironmentalExpenseAndLiabilities`	-	USD	Annual
Regulatory disallowance of prior environmental cost deferrals	`EnvironmentalExpenseAndLiabilities`	$3.29M	USD	Annual
Regulatory disallowance of prior environmental cost deferrals	`EnvironmentalExpenseAndLiabilities`	-	USD	Annual
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$15.29M	USD	Annual
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$13.30M	USD	Annual
Amortization of environmental remediation	`EnvironmentalRemediationExpense`	$11.13M	USD	Annual
Regulatory revenue deferral from the TCJA	`IncreaseDecreaseInRegulatoryLiabilities`	$7.93M	USD	Annual
Regulatory revenue deferral from the TCJA	`IncreaseDecreaseInRegulatoryLiabilities`	-	USD	Annual
Regulatory revenue deferral from the TCJA	`IncreaseDecreaseInRegulatoryLiabilities`	-	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-2.10M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-2.85M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-1.60M	USD	Annual
Receivables, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$6.39M	USD	Annual
Receivables, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-3.28M	USD	Annual
Receivables, net	`IncreaseDecreaseInAccountsAndOtherReceivables`	$-181.00K	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-3.21M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-16.57M	USD	Annual
Inventories	`IncreaseDecreaseInInventories`	$-5.60M	USD	Annual
Income and other taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$6.73M	USD	Annual
Income and other taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$9.47M	USD	Annual
Income and other taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-16.90M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$1.09M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$12.03M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$16.79M	USD	Annual
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$93.00K	USD	Annual
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$807.00K	USD	Annual
Interest accrued	`IncreaseDecreaseInInterestPayableNet`	$526.00K	USD	Annual
Deferred gas costs	`IncreaseDecreaseInDeferredGasCost`	$14.39M	USD	Annual
Deferred gas costs	`IncreaseDecreaseInDeferredGasCost`	$10.20M	USD	Annual
Deferred gas costs	`IncreaseDecreaseInDeferredGasCost`	$-17.12M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-11.73M	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-552.00K	USD	Annual
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$4.09M	USD	Annual
Discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$-645.00K	USD	Annual
Discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$197.18M	USD	Annual
Discontinued operations	`CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations`	$5.02M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$206.70M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$168.77M	USD	Annual
Cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$222.15M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$138.36M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$213.32M	USD	Annual
Capital expenditures	`PaymentsToAcquirePropertyPlantAndEquipment`	$214.64M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$577.00K	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$3.39M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.88M	USD	Annual
Discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-1.15M	USD	Annual
Discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$573.00K	USD	Annual
Discontinued operations	`CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations`	$-270.00K	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-136.63M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-217.45M	USD	Annual
Cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-214.17M	USD	Annual
Repurchases related to stock-based compensation	`PaymentsForRepurchaseOfCommonStock`	$2.03M	USD	Annual
Repurchases related to stock-based compensation	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchases related to stock-based compensation	`PaymentsForRepurchaseOfCommonStock`	$1.04M	USD	Annual
Proceeds from stock options exercised	`ProceedsFromStockOptionsExercised`	$8.40M	USD	Annual
Proceeds from stock options exercised	`ProceedsFromStockOptionsExercised`	$1.55M	USD	Annual
Proceeds from stock options exercised	`ProceedsFromStockOptionsExercised`	$4.82M	USD	Annual
Proceeds from common stock issued	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Proceeds from common stock issued	`ProceedsFromIssuanceOfCommonStock`	$52.76M	USD	Annual
Proceeds from common stock issued	`ProceedsFromIssuanceOfCommonStock`	-	USD	Annual
Long-term debt issued	`ProceedsFromIssuanceOfLongTermDebt`	$100.00M	USD	Annual
Long-term debt issued	`ProceedsFromIssuanceOfLongTermDebt`	$50.00M	USD	Annual
Long-term debt issued	`ProceedsFromIssuanceOfLongTermDebt`	$150.00M	USD	Annual
Long-term debt retired	`RepaymentsOfLongTermDebt`	$25.00M	USD	Annual
Long-term debt retired	`RepaymentsOfLongTermDebt`	$97.00M	USD	Annual
Long-term debt retired	`RepaymentsOfLongTermDebt`	$40.00M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-216.74M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$900.00K	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$163.27M	USD	Annual
Cash dividend payments on common stock	`PaymentsOfDividendsCommonStock`	$53.96M	USD	Annual
Cash dividend payments on common stock	`PaymentsOfDividendsCommonStock`	$51.51M	USD	Annual
Cash dividend payments on common stock	`PaymentsOfDividendsCommonStock`	$51.31M	USD	Annual
Stock purchases related to acquisitions	`PaymentsfortheRepurchaseofCommonStockRelatedtoAcquisitions`	$7.95M	USD	Annual
Stock purchases related to acquisitions	`PaymentsfortheRepurchaseofCommonStockRelatedtoAcquisitions`	-	USD	Annual
Stock purchases related to acquisitions	`PaymentsfortheRepurchaseofCommonStockRelatedtoAcquisitions`	-	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.09M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-715.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.31M	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-86.21M	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$7.42M	USD	Annual
Cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$57.84M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-49.00K	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-690.00K	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$9.16M	USD	Annual
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$3.47M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$4.21M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$12.63M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$3.52M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$3.47M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$4.21M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$12.63M	USD	Point-in-time
Cash and cash equivalents, end of period	`CashAndCashEquivalentsAtCarryingValue`	$3.52M	USD	Point-in-time
Interest paid, net of capitalization	`InterestPaid`	$36.02M	USD	Annual
Interest paid, net of capitalization	`InterestPaid`	$34.79M	USD	Annual
Interest paid, net of capitalization	`InterestPaid`	$35.32M	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$14.78M	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$27.37M	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$-7.16M	USD	Annual

Stockholders Equity 26 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$742.78M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$762.63M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$780.97M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$850.50M	USD	Point-in-time
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$59.11M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$65.82M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$-57.11M	USD	Annual
Dividends on common stock	`DividendsCommonStockCash`	$51.62M	USD	Annual
Dividends on common stock	`DividendsCommonStockCash`	$54.29M	USD	Annual
Dividends on common stock	`DividendsCommonStockCash`	$54.74M	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.88M	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$3.02M	USD	Annual
Stock-based compensation	`StockIssuedDuringPeriodValueShareBasedCompensation`	$2.92M	USD	Annual
Shares issued pursuant to equity based plans	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.17M	USD	Annual
Shares issued pursuant to equity based plans	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$6.36M	USD	Annual
Shares issued pursuant to equity based plans	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$796.00K	USD	Annual
Issuance of common stock, net of issuance costs	`StockIssuedDuringPeriodValueNewIssues`	$52.76M	USD	Annual
Cash purchase of shares for business combination	`PaymentsfortheRepurchaseofCommonStockRelatedtoAcquisitionsNetofFees`	$-7.95M	USD	Annual
Value of shares transferred for business combination	`BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable`	$8.53M	USD	Annual
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$742.78M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$762.63M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$780.97M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$850.50M	USD	Point-in-time
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.87	USD	Annual
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.89	USD	Annual
Dividends on common stock (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.88	USD	Annual

Comprehensive Income 6 line items

Line Item	Tag	Value	Unit	Period
Change in employee benefit plan liability, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$452.00K	USD	Annual
Change in employee benefit plan liability, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$735.00K	USD	Annual
Change in employee benefit plan liability, tax	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax`	$-166.00K	USD	Annual
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-374.00K	USD	Annual
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-624.00K	USD	Annual
Amortization of non-qualified employee benefit plan liability, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-278.00K	USD	Annual

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