10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q3 2020

Filing Information

Form Type	10-Q
Accession Number	`0001692115-20-000064`
Period End Date	20200930
Filing Date	20201105
Fiscal Year	2020
Fiscal Period	Q3
XBRL Instance	swx-20200930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 88 Income Statement 134 Cash Flow Statement 150 Stockholders Equity 20 Comprehensive Income 84

Balance Sheet 88 line items

Line Item	Tag	Value	Unit	Period
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	55.01M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	56.46M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	56.46M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	55.01M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$7.81B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$8.22B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.31B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.39B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$231.22M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$185.03M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.06B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.69B	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$784.17M	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$825.07M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$23.95M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$49.54M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$474.10M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$513.02M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$79.10M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$36.50M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$31.75M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$7.93M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$44.41M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	-	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$180.96M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$151.43M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$859.86M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$732.83M	USD	Point-in-time
Goodwill	`Goodwill`	$343.02M	USD	Point-in-time
Goodwill	`Goodwill`	$340.20M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$856.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$841.00K	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$496.94M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$475.04M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$840.82M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$816.08M	USD	Point-in-time
Total assets	`Assets`	$8.43B	USD	Point-in-time
Total assets	`Assets`	$8.17B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 56,459,346 and 55,007,433 shares)	`CommonStockValue`	$58.09M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 56,459,346 and 55,007,433 shares)	`CommonStockValue`	$56.64M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.47B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.56B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-56.73M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-52.78M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.05B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.04B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.51B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.62B	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$107.28M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$84.54M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$2.69B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$2.30B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$5.41B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$4.89B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$163.51M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$44.90M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$211.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$54.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$238.92M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$175.51M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$69.12M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$69.17M	USD	Point-in-time
Income taxes payable, net	`AccruedIncomeTaxesCurrent`	$1.08M	USD	Point-in-time
Income taxes payable, net	`AccruedIncomeTaxesCurrent`	$2.07M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$59.96M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$48.16M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$35.48M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$21.33M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$76.24M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$60.76M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$264.95M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$322.93M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$839.22M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.08B	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$599.84M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$639.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$401.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$395.00M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.20B	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.14B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.20B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.18B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$8.17B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$8.43B	USD	Point-in-time

Income Statement 134 line items

Line Item	Tag	Value	Unit	Period
Gas operating revenues	`RegulatedOperatingRevenueGas`	$989.37M	USD	3 Qtrs
Gas operating revenues	`RegulatedOperatingRevenueGas`	$210.83M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$209.98M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$976.10M	USD	3 Qtrs
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.36B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.36B	USD	Annual
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$203.08M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$200.26M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.35B	USD	Annual
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.37B	USD	Annual
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$966.94M	USD	3 Qtrs
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.01B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.23B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$791.23M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.38B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$725.23M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.27B	USD	3 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.06B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$393.14M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$292.85M	USD	3 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$356.93M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$264.62M	USD	3 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$35.07M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$36.32M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$109.65M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$407.92M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$304.96M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$321.19M	USD	3 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$414.29M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$101.76M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$325.00M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$80.14M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$286.52M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$75.37M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$245.01M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$223.25M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$47.51M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$63.20M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$61.58M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$46.64M	USD	3 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$15.79M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$15.31M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.67B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.53B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.15B	USD	3 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.25B	USD	3 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$451.57M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$502.95M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.82B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.69B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.11B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$686.97M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.04B	USD	3 Qtrs
Total operating expenses	`CostsAndExpenses`	$736.96M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$368.46M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$54.26M	USD	1 Quarter
Operating income (loss)	`OperatingIncomeLoss`	$233.61M	USD	3 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$408.41M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$270.21M	USD	3 Qtrs
Operating income (loss)	`OperatingIncomeLoss`	$38.26M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$106.50M	USD	Annual
Net interest deductions	`InterestExpense`	$28.31M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$111.70M	USD	Annual
Net interest deductions	`InterestExpense`	$83.14M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$80.66M	USD	3 Qtrs
Net interest deductions	`InterestExpense`	$27.43M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-11.05M	USD	3 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-7.79M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-1.16M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$1.80M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-4.45M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$6.83M	USD	3 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-119.49M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-28.59M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-94.19M	USD	3 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-73.83M	USD	3 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-26.51M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-110.95M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$257.51M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$176.02M	USD	3 Qtrs
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$288.92M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$9.67M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$27.75M	USD	1 Quarter
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$159.77M	USD	3 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$63.29M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$3.14M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$42.07M	USD	3 Qtrs
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$63.06M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$6.69M	USD	1 Quarter
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$35.03M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$133.95M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$6.53M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$225.85M	USD	Annual
Net income (loss)	`ProfitLoss`	$124.74M	USD	3 Qtrs
Net income (loss)	`ProfitLoss`	$194.22M	USD	Annual
Net income (loss)	`ProfitLoss`	$21.06M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.17M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.69M	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.17M	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.79M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.52M	USD	3 Qtrs
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.36M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$122.22M	USD	3 Qtrs
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$220.50M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$220.50M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$191.52M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$191.52M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$128.78M	USD	3 Qtrs
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$5.35M	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$18.27M	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$0.32	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$2.31	USD	3 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$0.10	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$3.97	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$3.60	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$2.26	USD	3 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.32	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.26	USD	3 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.59	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.97	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.10	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.31	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	54.67M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	56.27M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	55.68M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	53.22M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	55.51M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	54.00M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.36M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.75M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.06M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	53.29M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.75M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.58M	shares	Annual

Cash Flow Statement 150 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$133.95M	USD	3 Qtrs
Net income	`ProfitLoss`	$6.53M	USD	1 Quarter
Net income	`ProfitLoss`	$225.85M	USD	Annual
Net income	`ProfitLoss`	$124.74M	USD	3 Qtrs
Net income	`ProfitLoss`	$194.22M	USD	Annual
Net income	`ProfitLoss`	$21.06M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$325.00M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$80.14M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$286.52M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$75.37M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$245.01M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$223.25M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-46.10M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-45.81M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-37.75M	USD	3 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-60.93M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$33.82M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$42.14M	USD	3 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$19.61M	USD	3 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$76.77M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$700.00K	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-42.60M	USD	3 Qtrs
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-41.40M	USD	3 Qtrs
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$1.20M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$36.61M	USD	3 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$54.80M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-59.90M	USD	3 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-38.02M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-59.03M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$14.32M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-14.82M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-46.08M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxes`	$17.99M	USD	3 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxes`	$-4.96M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxes`	$26.07M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxes`	$-2.84M	USD	3 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-18.73M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-121.19M	USD	3 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-74.05M	USD	3 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-121.27M	USD	Annual
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$3.16M	USD	3 Qtrs
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$3.86M	USD	Annual
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$581.00K	USD	3 Qtrs
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$2.90M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.62M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.49M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$5.79M	USD	3 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.07M	USD	3 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$5.77M	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$3.18M	USD	3 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$4.39M	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$3.41M	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$19.17M	USD	3 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$11.10M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$24.37M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$15.86M	USD	3 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$33.24M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-55.00M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-9.79M	USD	3 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-52.02M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$499.95M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$609.70M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$487.82M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$378.49M	USD	3 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$719.39M	USD	3 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$925.13M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$851.24M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$632.47M	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$19.53M	USD	3 Qtrs
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$266.70M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$28.36M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$250.00K	USD	3 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$17.46M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$15.05M	USD	3 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$7.69M	USD	3 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$11.64M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-12.86M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-8.81M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-6.52M	USD	3 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-13.38M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.16B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-711.01M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-859.14M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-618.51M	USD	3 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$119.24M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$90.64M	USD	3 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$391.51M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$129.34M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$93.32M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$86.34M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$123.10M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$112.05M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$566.79M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$650.62M	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$482.61M	USD	3 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$699.60M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$375.91M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$289.30M	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$127.17M	USD	3 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$221.18M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	-	USD	3 Qtrs
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	-	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-92.00M	USD	3 Qtrs
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-92.00M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$24.00M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-1.50M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-157.00M	USD	3 Qtrs
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-122.00M	USD	3 Qtrs
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$161.00K	USD	3 Qtrs
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$387.00K	USD	Annual
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$151.00K	USD	3 Qtrs
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$202.00K	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.86M	USD	3 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.74M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.09M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.74M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.17M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.45M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-456.00K	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.89M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$105.31M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$620.64M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$275.58M	USD	3 Qtrs
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$245.01M	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$58.00K	USD	3 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-109.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-209.00K	USD	3 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-289.00K	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-56.88M	USD	3 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-4.54M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-25.59M	USD	3 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-40.69M	USD	Annual
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.36M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$69.17M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.95M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.54M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.48M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.36M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$69.17M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$23.95M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.54M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.48M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$103.84M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$99.16M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$63.74M	USD	3 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$62.16M	USD	3 Qtrs
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$-13.62M	USD	Annual
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$-16.67M	USD	Annual
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$-16.01M	USD	3 Qtrs
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$371.00K	USD	3 Qtrs

Stockholders Equity 20 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	56.46M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	55.01M	shares	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.62B	USD	Point-in-time
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-783.00K	USD	1 Quarter
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.69M	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.91M	USD	3 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.54M	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.05M	USD	3 Qtrs
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-635.00K	USD	1 Quarter
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$17.60M	USD	1 Quarter
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$17.57M	USD	3 Qtrs
Ending balance (in shares)	`CommonStockSharesOutstanding`	56.46M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	55.01M	shares	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.42B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.62B	USD	Point-in-time
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.71	USD	3 Qtrs
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.55	USD	1 Quarter
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.57	USD	1 Quarter
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$1.64	USD	3 Qtrs

Comprehensive Income 84 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$133.95M	USD	3 Qtrs
Net income	`ProfitLoss`	$6.53M	USD	1 Quarter
Net income	`ProfitLoss`	$225.85M	USD	Annual
Net income	`ProfitLoss`	$124.74M	USD	3 Qtrs
Net income	`ProfitLoss`	$194.22M	USD	Annual
Net income	`ProfitLoss`	$21.06M	USD	1 Quarter
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-54.03M	USD	Annual
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-15.52M	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$977.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$724.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$220.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$241.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$659.00K	USD	3 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$901.00K	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-13.32M	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.44M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-26.00M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-19.71M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-21.56M	USD	3 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-7.19M	USD	1 Quarter
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	3 Qtrs
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$1.43M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$4.07M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$12.19M	USD	3 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$19.14M	USD	3 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$-21.13M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$1.21M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$6.38M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.03M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.86M	USD	3 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-618.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.08M	USD	3 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$7.42M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-3.95M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-783.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.69M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.91M	USD	3 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.54M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.05M	USD	3 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-635.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$2.54M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$2.69M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$783.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$2.05M	USD	3 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$635.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$1.91M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.02M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-877.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-447.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.19M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-280.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$1.13M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.83M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-5.01M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$806.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.62M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.89M	USD	3 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$3.95M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$220.85M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$23.90M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$7.33M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$199.83M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$137.90M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$129.63M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.79M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.17M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.69M	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.17M	USD	1 Quarter
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.52M	USD	3 Qtrs
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.36M	USD	Annual
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$197.14M	USD	Annual
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$215.49M	USD	Annual
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$21.11M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$6.16M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$127.11M	USD	3 Qtrs
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$132.73M	USD	3 Qtrs

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