10-Q Filing

SOUTHWEST GAS CORP CIK: 92416 Q2 2014

Filing Information

Form Type	10-Q
Accession Number	`0001193125-14-297937`
Period End Date	20140630
Filing Date	20140806
Fiscal Year	2014
Fiscal Period	Q2
XBRL Instance	swx-20140630.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 87 Income Statement 138 Cash Flow Statement 131 Stockholders Equity 69

Balance Sheet 87 line items

Line Item	Tag	Value	Unit	Period
Common stock, par	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, authorized	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, issued	`CommonStockSharesIssued`	46.50M	shares	Point-in-time
Common stock, issued	`CommonStockSharesIssued`	46.36M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$5.40B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$5.25B	USD	Point-in-time
Common stock, outstanding	`CommonStockSharesOutstanding`	46.50M	shares	Point-in-time
Common stock, outstanding	`CommonStockSharesOutstanding`	46.36M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.93B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.87B	USD	Point-in-time
Acquisition adjustments, net	`PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1`	$730.00K	USD	Point-in-time
Acquisition adjustments, net	`PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1`	$640.00K	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$74.88M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$101.41M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$3.49B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$3.55B	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$267.76M	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$260.87M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$16.65M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$32.56M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$25.53M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$26.89M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$41.08M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$17.72M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$183.47M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$219.47M	USD	Point-in-time
Accrued utility revenue	`OtherReceivables`	$31.60M	USD	Point-in-time
Accrued utility revenue	`OtherReceivables`	$72.70M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$4.28M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$3.79M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$31.13M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$80.44M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$18.22M	USD	Point-in-time
Prepaids and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$108.29M	USD	Point-in-time
Prepaids and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$83.81M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$494.67M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$410.49M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$323.52M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$322.11M	USD	Point-in-time
Total assets	`Assets`	$4.56B	USD	Point-in-time
Total assets	`Assets`	$4.57B	USD	Point-in-time
Common stock, $1 par (authorized - 60,000,000 shares; issued and outstanding - 46,503,111 and 46,356,125 shares)	`CommonStockValue`	$48.13M	USD	Point-in-time
Common stock, $1 par (authorized - 60,000,000 shares; issued and outstanding - 46,503,111 and 46,356,125 shares)	`CommonStockValue`	$47.99M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$840.52M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$844.85M	USD	Point-in-time
Accumulated other comprehensive income (loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.70M	USD	Point-in-time
Accumulated other comprehensive income (loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-39.64M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$567.71M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$613.76M	USD	Point-in-time
Total Southwest Gas Corporation equity	`StockholdersEquity`	$1.41B	USD	Point-in-time
Total Southwest Gas Corporation equity	`StockholdersEquity`	$1.47B	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-2.13M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-2.21M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.41B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.46B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$1.38B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$1.37B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.83B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.79B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$11.11M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$23.74M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$94.40M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$183.51M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$72.90M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$73.37M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$35.66M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$39.68M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$18.19M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$17.92M	USD	Point-in-time
Deferred income taxes	`DeferredTaxLiabilitiesCurrent`	$5.57M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$108.58M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$132.16M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$382.61M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$434.16M	USD	Point-in-time
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$663.47M	USD	Point-in-time
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$674.41M	USD	Point-in-time
Taxes payable	`TaxesPayableNoncurrent`	$284.00K	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$291.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$279.00M	USD	Point-in-time
Other deferred credits	`OtherDeferredCreditsNoncurrent`	$383.59M	USD	Point-in-time
Other deferred credits	`OtherDeferredCreditsNoncurrent`	$394.39M	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$1.34B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$1.35B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$4.56B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$4.57B	USD	Point-in-time

Income Statement 138 line items

Line Item	Tag	Value	Unit	Period
Gas operating revenues	`RegulatedOperatingRevenueGas`	$732.47M	USD	2 Qtrs
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.33B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.27B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$271.48M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$238.87M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$757.97M	USD	2 Qtrs
Construction revenues	`ConstructionRevenue`	$181.67M	USD	1 Quarter
Construction revenues	`ConstructionRevenue`	$303.58M	USD	2 Qtrs
Construction revenues	`ConstructionRevenue`	$172.71M	USD	1 Quarter
Construction revenues	`ConstructionRevenue`	$661.60M	USD	Annual
Construction revenues	`ConstructionRevenue`	$617.88M	USD	Annual
Construction revenues	`ConstructionRevenue`	$292.61M	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$411.57M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.06B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.99B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$453.15M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.03B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.89B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$414.89M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$289.36M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$270.00M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$69.39M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$97.98M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$455.37M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$192.02M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$200.03M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$374.27M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$97.62M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$94.94M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$392.92M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$244.39M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$117.50M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$58.57M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$125.08M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$62.19M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$231.22M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$10.96M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$11.07M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$45.10M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.13M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.87M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.42M	USD	2 Qtrs
Construction expenses	`ConstructionAndDevelopmentCosts`	$157.64M	USD	1 Quarter
Construction expenses	`ConstructionAndDevelopmentCosts`	$148.70M	USD	1 Quarter
Construction expenses	`ConstructionAndDevelopmentCosts`	$532.11M	USD	Annual
Construction expenses	`ConstructionAndDevelopmentCosts`	$255.39M	USD	2 Qtrs
Construction expenses	`ConstructionAndDevelopmentCosts`	$270.84M	USD	2 Qtrs
Construction expenses	`ConstructionAndDevelopmentCosts`	$588.74M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$907.73M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$426.40M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$382.67M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.73B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$857.78M	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$1.60B	USD	Annual
Operating income	`OperatingIncomeLoss`	$288.82M	USD	Annual
Operating income	`OperatingIncomeLoss`	$167.30M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$260.73M	USD	Annual
Operating income	`OperatingIncomeLoss`	$153.82M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$26.75M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$28.91M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$17.30M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$15.29M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$31.17M	USD	2 Qtrs
Net interest deductions	`InterestExpense`	$63.78M	USD	Annual
Net interest deductions	`InterestExpense`	$67.36M	USD	Annual
Net interest deductions	`InterestExpense`	$34.82M	USD	2 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$11.25M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$2.86M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$1.45M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$5.52M	USD	2 Qtrs
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$6.99M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$4.47M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-56.78M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-14.44M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-13.84M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-25.65M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-30.35M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-56.10M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$12.31M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$204.63M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$123.47M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$232.04M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$15.07M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$141.66M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$5.00M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$2.69M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$43.15M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$70.17M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$50.91M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$83.61M	USD	Annual
Net income	`ProfitLoss`	$148.43M	USD	Annual
Net income	`ProfitLoss`	$9.63M	USD	1 Quarter
Net income	`ProfitLoss`	$90.74M	USD	2 Qtrs
Net income	`ProfitLoss`	$10.07M	USD	1 Quarter
Net income	`ProfitLoss`	$134.46M	USD	Annual
Net income	`ProfitLoss`	$80.32M	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-393.00K	USD	Annual
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-41.00K	USD	1 Quarter
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-536.00K	USD	Annual
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-140.00K	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-86.00K	USD	2 Qtrs
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$80.41M	USD	2 Qtrs
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$9.63M	USD	1 Quarter
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$134.85M	USD	Annual
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$90.88M	USD	2 Qtrs
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$148.97M	USD	Annual
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$10.11M	USD	1 Quarter
Basic earnings per share	`EarningsPerShareBasic`	$0.22	USD	1 Quarter
Basic earnings per share	`EarningsPerShareBasic`	$1.96	USD	2 Qtrs
Basic earnings per share	`EarningsPerShareBasic`	$1.73	USD	2 Qtrs
Basic earnings per share	`EarningsPerShareBasic`	$3.22	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$0.21	USD	1 Quarter
Basic earnings per share	`EarningsPerShareBasic`	$2.91	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$0.21	USD	1 Quarter
Diluted earnings per share	`EarningsPerShareDiluted`	$1.95	USD	2 Qtrs
Diluted earnings per share	`EarningsPerShareDiluted`	$3.19	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$2.88	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$0.22	USD	1 Quarter
Diluted earnings per share	`EarningsPerShareDiluted`	$1.71	USD	2 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.66	USD	2 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.73	USD	2 Qtrs
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.33	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.36	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.25	USD	Annual
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.39	USD	Annual
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	46.50M	shares	1 Quarter
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	46.41M	shares	Annual
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	46.33M	shares	1 Quarter
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	46.29M	shares	2 Qtrs
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	46.47M	shares	2 Qtrs
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	46.21M	shares	Annual
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.70M	shares	2 Qtrs
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.76M	shares	1 Quarter
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.91M	shares	2 Qtrs
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.86M	shares	Annual
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.95M	shares	1 Quarter
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.65M	shares	Annual

Cash Flow Statement 131 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$9.63M	USD	1 Quarter
Net income	`ProfitLoss`	$90.74M	USD	2 Qtrs
Net income	`ProfitLoss`	$10.07M	USD	1 Quarter
Net income	`ProfitLoss`	$134.46M	USD	Annual
Net income	`ProfitLoss`	$80.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$148.43M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$244.39M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$58.57M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$117.50M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$231.22M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$125.08M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$62.19M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$73.82M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$24.49M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$45.78M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$47.35M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$5.44M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$23.21M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-36.65M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-36.00M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$-41.60M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$1.20M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$1.20M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$-41.10M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$88.32M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$108.99M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$64.38M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$62.22M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-53.92M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$22.75M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-10.08M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-91.67M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-4.80M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$4.10M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-1.42M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-2.45M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-24.09M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$23.20M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-46.24M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-27.23M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$5.96M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$4.14M	USD	2 Qtrs
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$7.03M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$2.29M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$3.77M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$5.84M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.87M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$3.85M	USD	2 Qtrs
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.02M	USD	2 Qtrs
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.00M	USD	2 Qtrs
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$2.30M	USD	Annual
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$2.23M	USD	Annual
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$15.15M	USD	2 Qtrs
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$22.58M	USD	Annual
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$16.39M	USD	2 Qtrs
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$20.48M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$19.46M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$41.77M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$3.93M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-4.56M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$328.44M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$197.45M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$340.09M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$215.22M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$387.84M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$175.44M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$371.21M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$151.88M	USD	2 Qtrs
Restricted cash	`IncreaseDecreaseInRestrictedCash`	$16.65M	USD	Annual
Restricted cash	`IncreaseDecreaseInRestrictedCash`	$16.65M	USD	2 Qtrs
Changes in customer advances	`ChangeInCustomerAdvances`	$13.59M	USD	Annual
Changes in customer advances	`ChangeInCustomerAdvances`	$3.13M	USD	2 Qtrs
Changes in customer advances	`ChangeInCustomerAdvances`	$8.95M	USD	2 Qtrs
Changes in customer advances	`ChangeInCustomerAdvances`	$13.90M	USD	Annual
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$7.06M	USD	2 Qtrs
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$13.77M	USD	Annual
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$4.91M	USD	2 Qtrs
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$10.62M	USD	Annual
Miscellaneous outflows	`PaymentsForOtherInvestingActivities`	$969.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-380.28M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-143.84M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-176.09M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-344.51M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$237.00K	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$1.63M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$1.36M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$515.00K	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$62.90M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$32.32M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$28.95M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$56.17M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$287.34M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$130.39M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$17.72M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$41.67M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$46.46M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$10.72M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$205.27M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$101.27M	USD	2 Qtrs
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCredit`	$8.00M	USD	2 Qtrs
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCredit`	$-119.00M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCredit`	$119.00M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCredit`	$-10.00M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-472.00K	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.53M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-79.19M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-10.43M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-35.55M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$61.01M	USD	Annual
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-14.19M	USD	2 Qtrs
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-7.81M	USD	2 Qtrs
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-14.85M	USD	Annual
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$9.17M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$32.56M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$25.53M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$26.89M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$41.08M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$17.72M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$26.89M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$41.08M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$17.72M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$25.53M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$32.56M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$61.40M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$60.10M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$31.79M	USD	2 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$29.12M	USD	2 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$12.25M	USD	2 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$4.61M	USD	Annual
Income taxes paid	`IncomeTaxesPaidNet`	$3.53M	USD	2 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$15.56M	USD	Annual

Stockholders Equity 69 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$9.63M	USD	1 Quarter
Net income	`ProfitLoss`	$90.74M	USD	2 Qtrs
Net income	`ProfitLoss`	$10.07M	USD	1 Quarter
Net income	`ProfitLoss`	$134.46M	USD	Annual
Net income	`ProfitLoss`	$80.32M	USD	2 Qtrs
Net income	`ProfitLoss`	$148.43M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$62.21M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-46.41M	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$221.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$109.00K	USD	2 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$54.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$109.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$110.00K	USD	2 Qtrs
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$55.00K	USD	1 Quarter
Amortization of transition obligation	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetTransitionAssetObligationNetOfTax`	$-270.00K	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-17.93M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-5.30M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-7.33M	USD	2 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-3.67M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-10.60M	USD	2 Qtrs
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-18.53M	USD	Annual
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$1.50M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustment`	$-24.37M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustment`	$73.67M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustment`	$9.40M	USD	2 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustment`	$4.70M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustment`	$6.42M	USD	2 Qtrs
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustment`	$3.21M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-650.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.30M	USD	2 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.02M	USD	2 Qtrs
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$4.64M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-6.70M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-511.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-519.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-1.04M	USD	2 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-519.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.07M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-1.04M	USD	2 Qtrs
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.07M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.07M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$519.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.04M	USD	2 Qtrs
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$519.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.07M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$1.04M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.06M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.03M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.56M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.34M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$1.17M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$8.77M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$10.66M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$11.24M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$93.08M	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$145.87M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$143.22M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$82.38M	USD	2 Qtrs
Comprehensive income (loss) attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-536.00K	USD	Annual
Comprehensive income (loss) attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-41.00K	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-393.00K	USD	Annual
Comprehensive income (loss) attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-86.00K	USD	2 Qtrs
Comprehensive income (loss) attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-140.00K	USD	2 Qtrs
Comprehensive income attributable to Southwest Gas Corporation	`ComprehensiveIncomeNetOfTax`	$93.22M	USD	2 Qtrs
Comprehensive income attributable to Southwest Gas Corporation	`ComprehensiveIncomeNetOfTax`	$146.41M	USD	Annual
Comprehensive income attributable to Southwest Gas Corporation	`ComprehensiveIncomeNetOfTax`	$11.28M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Corporation	`ComprehensiveIncomeNetOfTax`	$82.47M	USD	2 Qtrs
Comprehensive income attributable to Southwest Gas Corporation	`ComprehensiveIncomeNetOfTax`	$143.62M	USD	Annual
Comprehensive income attributable to Southwest Gas Corporation	`ComprehensiveIncomeNetOfTax`	$10.66M	USD	1 Quarter

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