10-Q Filing

SOUTHWEST GAS CORP CIK: 92416 Q1 2011

Filing Information

Form Type	10-Q
Accession Number	`0001193125-11-132111`
Period End Date	20110331
Filing Date	20110509
Fiscal Year	2011
Fiscal Period	Q1
XBRL Instance	swx-20110331.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 89 Income Statement 94 Cash Flow Statement 129

Balance Sheet 89 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`	45.60M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$4.60B	USD	Point-in-time
Common stock, issued	`CommonStockSharesIssued`	45.84M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$4.57B	USD	Point-in-time
Common stock, outstanding	`CommonStockSharesOutstanding`	45.84M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.56B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$1.54B	USD	Point-in-time
Common stock, outstanding	`CommonStockSharesOutstanding`	45.60M	shares	Point-in-time
Acquisition adjustments, net	`PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments`	$-1.23M	USD	Point-in-time
Acquisition adjustments, net	`PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments`	$-1.27M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$30.67M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$37.49M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$3.07B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$3.07B	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$134.65M	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$151.71M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$37.78M	USD	Point-in-time
Restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$37.78M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$108.38M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$116.10M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$65.31M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$39.01M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$23.78M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$147.60M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$169.04M	USD	Point-in-time
Accrued utility revenue	`OtherReceivables`	$64.40M	USD	Point-in-time
Accrued utility revenue	`OtherReceivables`	$41.50M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$21.51M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$8.05M	USD	Point-in-time
Deferred income taxes	`DeferredTaxAssetsNetCurrent`	$10.03M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$356.00K	USD	Point-in-time
Prepaids and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$61.36M	USD	Point-in-time
Prepaids and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$87.88M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$445.89M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$390.30M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$293.19M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$293.43M	USD	Point-in-time
Total assets	`Assets`	$3.98B	USD	Point-in-time
Total assets	`Assets`	$3.94B	USD	Point-in-time
Common stock, $1 par (authorized - 60,000,000 shares; issued and outstanding - 45,843,792 and 45,599,036 shares)	`CommonStockValue`	$47.23M	USD	Point-in-time
Common stock, $1 par (authorized - 60,000,000 shares; issued and outstanding - 45,843,792 and 45,599,036 shares)	`CommonStockValue`	$47.47M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$807.88M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$814.63M	USD	Point-in-time
Accumulated other comprehensive income (loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-29.87M	USD	Point-in-time
Accumulated other comprehensive income (loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-30.78M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$343.13M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$399.34M	USD	Point-in-time
Total Southwest Gas Corporation equity	`StockholdersEquity`	$1.17B	USD	Point-in-time
Total Southwest Gas Corporation equity	`StockholdersEquity`	$1.23B	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-660.00K	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-465.00K	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.23B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$1.12B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$1.12B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.35B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$2.29B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$75.08M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$114.46M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$165.54M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$86.89M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$88.07M	USD	Point-in-time
Income taxes payable	`TaxesPayableCurrent`	$15.39M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$54.95M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$40.44M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$20.16M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$19.54M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$123.34M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$90.84M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$85.51M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$94.45M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$477.69M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$596.96M	USD	Point-in-time
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$466.63M	USD	Point-in-time
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$483.12M	USD	Point-in-time
Taxes payable	`TaxesPayableNoncurrent`	$1.23M	USD	Point-in-time
Taxes payable	`TaxesPayableNoncurrent`	$2.58M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$216.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$211.00M	USD	Point-in-time
Other deferred credits	`OtherDeferredCreditsNoncurrent`	$408.93M	USD	Point-in-time
Other deferred credits	`OtherDeferredCreditsNoncurrent`	$416.69M	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$1.10B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$1.11B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$3.94B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$3.98B	USD	Point-in-time

Income Statement 94 line items

Line Item	Tag	Value	Unit	Period
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.45B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$614.51M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.59B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$553.85M	USD	1 Quarter
Construction revenues	`ConstructionRevenue`	$278.47M	USD	Annual
Construction revenues	`ConstructionRevenue`	$338.81M	USD	Annual
Construction revenues	`ConstructionRevenue`	$54.24M	USD	1 Quarter
Construction revenues	`ConstructionRevenue`	$74.59M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$628.44M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.87B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.79B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$668.75M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$823.08M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$352.25M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$283.81M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$667.73M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$90.95M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$350.99M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$359.19M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$86.70M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$191.63M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$48.86M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$189.26M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$47.70M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$36.97M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$9.87M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$9.77M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$38.97M	USD	Annual
Construction expenses	`ConstructionAndDevelopmentCosts`	$295.82M	USD	Annual
Construction expenses	`ConstructionAndDevelopmentCosts`	$245.03M	USD	Annual
Construction expenses	`ConstructionAndDevelopmentCosts`	$50.60M	USD	1 Quarter
Construction expenses	`ConstructionAndDevelopmentCosts`	$68.62M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.55B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$547.02M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$502.11M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.65B	USD	Annual
Operating income	`OperatingIncomeLoss`	$227.39M	USD	Annual
Operating income	`OperatingIncomeLoss`	$126.33M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$121.73M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$236.72M	USD	Annual
Net interest deductions	`InterestExpense`	$17.96M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$18.18M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$74.86M	USD	Annual
Net interest deductions	`InterestExpense`	$75.46M	USD	Annual
Net interest deductions on subordinated debentures	`InterestExpenseDebt`	$7.71M	USD	Annual
Net interest deductions on subordinated debentures	`InterestExpenseDebt`	$1.91M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-523.00K	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$4.09M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$7.83M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-278.00K	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-18.24M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-74.74M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-20.61M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-71.37M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$101.12M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$152.66M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$108.10M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$165.35M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$51.06M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$58.01M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$39.74M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$36.66M	USD	1 Quarter
Net income	`ProfitLoss`	$68.35M	USD	1 Quarter
Net income	`ProfitLoss`	$101.60M	USD	Annual
Net income	`ProfitLoss`	$107.35M	USD	Annual
Net income	`ProfitLoss`	$64.46M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-195.00K	USD	1 Quarter
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-431.00K	USD	Annual
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-188.00K	USD	1 Quarter
Net income (loss) attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-552.00K	USD	Annual
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$107.78M	USD	Annual
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$64.65M	USD	1 Quarter
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$68.55M	USD	1 Quarter
Net income attributable to Southwest Gas Corporation	`NetIncomeLoss`	$102.15M	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$1.50	USD	1 Quarter
Basic earnings per share	`EarningsPerShareBasic`	$2.37	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$2.27	USD	Annual
Basic earnings per share	`EarningsPerShareBasic`	$1.43	USD	1 Quarter
Diluted earnings per share	`EarningsPerShareDiluted`	$1.42	USD	1 Quarter
Diluted earnings per share	`EarningsPerShareDiluted`	$2.26	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$2.34	USD	Annual
Diluted earnings per share	`EarningsPerShareDiluted`	$1.48	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.25	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.96	USD	Annual
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$0.27	USD	1 Quarter
Dividends declared per share	`CommonStockDividendsPerShareDeclared`	$1.01	USD	Annual
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	45.22M	shares	1 Quarter
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	45.76M	shares	1 Quarter
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	45.54M	shares	Annual
Average number of common shares outstanding	`WeightedAverageNumberOfSharesOutstandingBasic`	44.95M	shares	Annual
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	45.59M	shares	1 Quarter
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	45.97M	shares	Annual
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	46.18M	shares	1 Quarter
Average shares outstanding (assuming dilution)	`WeightedAverageNumberOfDilutedSharesOutstanding`	45.29M	shares	Annual

Cash Flow Statement 129 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$68.35M	USD	1 Quarter
Net income	`ProfitLoss`	$101.60M	USD	Annual
Net income	`ProfitLoss`	$107.35M	USD	Annual
Net income	`ProfitLoss`	$64.46M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$189.26M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$47.70M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$191.63M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$48.86M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$1.20M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$13.95M	USD	1 Quarter
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$34.52M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$62.86M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$18.48M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$2.64M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-7.17M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$21.43M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$-800.00K	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$-28.00M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$-22.90M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInOtherReceivables`	$-2.20M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-3.37M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$32.15M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$2.51M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-73.63M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-51.08M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-5.87M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$4.21M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-38.53M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$57.88M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$52.75M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$-20.37M	USD	Annual
Accrued taxes	`IncreaseDecreaseInPropertyAndOtherTaxesPayable`	$40.17M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-16.64M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-25.54M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$2.10M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherOperatingCapitalNet`	$-29.28M	USD	1 Quarter
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$232.00K	USD	1 Quarter
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$2.20M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$2.46M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$885.00K	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$2.69M	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$4.41M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$4.58M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$2.84M	USD	1 Quarter
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$278.00K	USD	1 Quarter
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.03M	USD	Annual
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$791.00K	USD	Annual
AFUDC and property-related changes	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$124.00K	USD	1 Quarter
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$3.57M	USD	1 Quarter
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$6.63M	USD	1 Quarter
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$18.57M	USD	Annual
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$15.33M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-6.20M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-7.12M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$4.15M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-1.91M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$419.88M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$339.16M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$130.79M	USD	1 Quarter
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$162.62M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$198.69M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$34.15M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$51.82M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$233.10M	USD	Annual
Change in restricted cash	`IncreaseDecreaseInRestrictedCash`	$-11.99M	USD	Annual
Change in restricted cash	`IncreaseDecreaseInRestrictedCash`	$7.00K	USD	1 Quarter
Change in restricted cash	`IncreaseDecreaseInRestrictedCash`	$49.78M	USD	Annual
Changes in customer advances	`ChangeInCustomerAdvances`	$-880.00K	USD	1 Quarter
Changes in customer advances	`ChangeInCustomerAdvances`	$-1.26M	USD	1 Quarter
Changes in customer advances	`ChangeInCustomerAdvances`	$-446.00K	USD	Annual
Changes in customer advances	`ChangeInCustomerAdvances`	$-1.97M	USD	Annual
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$1.37M	USD	1 Quarter
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$6.47M	USD	Annual
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$957.00K	USD	1 Quarter
Miscellaneous inflows	`ProceedsFromOtherInvestingActivities`	$4.49M	USD	Annual
Miscellaneous outflows	`PaymentsForOtherInvestingActivities`	$2.50M	USD	1 Quarter
Miscellaneous outflows	`PaymentsForOtherInvestingActivities`	$5.30M	USD	Annual
Miscellaneous outflows	`PaymentsForOtherInvestingActivities`	$2.45M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-222.37M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-53.83M	USD	1 Quarter
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-246.42M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-34.47M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$4.01M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$14.26M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$4.00M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$11.10M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$42.69M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$45.55M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$10.74M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$11.45M	USD	1 Quarter
Interest rate swap settlement	`InterestRateSwapSettlement`	$11.69M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$49.83M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$248.96M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$125.00M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$202.24M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$328.00K	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$10.64M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$205.24M	USD	Annual
Redemption of subordinated debentures	`RepaymentsOfSubordinatedDebt`	$100.00M	USD	1 Quarter
Redemption of subordinated debentures	`RepaymentsOfSubordinatedDebt`	$100.00M	USD	Annual
Change in long-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-47.40M	USD	1 Quarter
Change in long-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-69.00M	USD	Annual
Change in long-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-45.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-47.43M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-154.46M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-158.24M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-84.69M	USD	1 Quarter
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-26.31M	USD	1 Quarter
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-7.72M	USD	1 Quarter
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$69.37M	USD	Annual
Change in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$15.22M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$23.78M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$39.01M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$108.38M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$116.10M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$65.31M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$108.38M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$116.10M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$65.31M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$39.01M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$23.78M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$20.68M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$17.71M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$80.12M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$84.04M	USD	Annual
Income taxes paid (received)	`IncomeTaxesPaidNet`	$-16.86M	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$-3.65M	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$-25.36M	USD	Annual
Income taxes paid (received)	`IncomeTaxesPaidNet`	$6.00M	USD	Annual

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