10-Q Filing
Filing Information
| Form Type | 10-Q |
| Accession Number | 0000731802-24-000006 |
| Period End Date | 20231231 |
| Filing Date | 20240206 |
| Fiscal Year | 2024 |
| Fiscal Period | Q1 |
| XBRL Instance | ato-20231231_htm.xml |
Filing Contents
This filing contains the following financial statements:
Balance Sheet
78 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Common stock stated value (USD per share) |
CommonStockParOrStatedValuePerShare
|
$0.01 | USD | Point-in-time |
| Common stock stated value (USD per share) |
CommonStockParOrStatedValuePerShare
|
$0.01 | USD | Point-in-time |
| Common stock authorized (in shares) |
CommonStockSharesAuthorized
|
200.00M | shares | Point-in-time |
| Property, plant and equipment |
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
$23.68B | USD | Point-in-time |
| Common stock authorized (in shares) |
CommonStockSharesAuthorized
|
200.00M | shares | Point-in-time |
| Property, plant and equipment |
PublicUtilitiesPropertyPlantAndEquipmentPlantInService
|
$22.90B | USD | Point-in-time |
| Less accumulated depreciation and amortization |
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
$3.36B | USD | Point-in-time |
| Common stock issued (in shares) |
CommonStockSharesIssued
|
150.83M | shares | Point-in-time |
| Less accumulated depreciation and amortization |
PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation
|
$3.29B | USD | Point-in-time |
| Common stock issued (in shares) |
CommonStockSharesIssued
|
148.49M | shares | Point-in-time |
| Net property, plant and equipment |
PublicUtilitiesPropertyPlantAndEquipmentNet
|
$19.61B | USD | Point-in-time |
| Common stock outstanding (in shares) |
CommonStockSharesOutstanding
|
148.49M | shares | Point-in-time |
| Net property, plant and equipment |
PublicUtilitiesPropertyPlantAndEquipmentNet
|
$20.32B | USD | Point-in-time |
| Common stock outstanding (in shares) |
CommonStockSharesOutstanding
|
150.83M | shares | Point-in-time |
| Cash and cash equivalents |
CashAndCashEquivalentsAtCarryingValue
|
$278.31M | USD | Point-in-time |
| Cash and cash equivalents |
CashAndCashEquivalentsAtCarryingValue
|
$15.40M | USD | Point-in-time |
| Restricted cash and cash equivalents |
RestrictedCashAndCashEquivalents
|
$7.13M | USD | Point-in-time |
| Restricted cash and cash equivalents |
RestrictedCashAndCashEquivalents
|
$3.84M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$171.60M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$19.25M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$51.55M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$285.44M | USD | Point-in-time |
| Accounts receivable, net (See Note 6) |
AccountsReceivableNetCurrent
|
$646.40M | USD | Point-in-time |
| Accounts receivable, net (See Note 6) |
AccountsReceivableNetCurrent
|
$328.65M | USD | Point-in-time |
| Gas stored underground |
EnergyRelatedInventoryGasStoredUnderground
|
$245.83M | USD | Point-in-time |
| Gas stored underground |
EnergyRelatedInventoryGasStoredUnderground
|
$220.94M | USD | Point-in-time |
| Other current assets |
OtherAssetsCurrent
|
$292.04M | USD | Point-in-time |
| Other current assets |
OtherAssetsCurrent
|
$526.93M | USD | Point-in-time |
| Total current assets |
AssetsCurrent
|
$1.68B | USD | Point-in-time |
| Total current assets |
AssetsCurrent
|
$885.77M | USD | Point-in-time |
| Securitized intangible asset, net (See Note 9) |
FiniteLivedIntangibleAssetsNet
|
$90.04M | USD | Point-in-time |
| Securitized intangible asset, net (See Note 9) |
FiniteLivedIntangibleAssetsNet
|
$92.20M | USD | Point-in-time |
| Goodwill |
Goodwill
|
$731.26M | USD | Point-in-time |
| Goodwill |
Goodwill
|
$731.26M | USD | Point-in-time |
| Deferred charges and other assets |
OtherAssetsNoncurrent
|
$863.75M | USD | Point-in-time |
| Deferred charges and other assets |
OtherAssetsNoncurrent
|
$1.20B | USD | Point-in-time |
| Total assets |
Assets
|
$23.68B | USD | Point-in-time |
| Total assets |
Assets
|
$22.52B | USD | Point-in-time |
| Common stock, no par value (stated at $0.005 per share); 200,000,000 shares authorized; issued and outstanding: December 31, 2023 150,834,397 shares; September 30, 2023 148,492,783 shares |
CommonStockValue
|
$754.00K | USD | Point-in-time |
| Common stock, no par value (stated at $0.005 per share); 200,000,000 shares authorized; issued and outstanding: December 31, 2023 150,834,397 shares; September 30, 2023 148,492,783 shares |
CommonStockValue
|
$742.00K | USD | Point-in-time |
| Additional paid-in capital |
AdditionalPaidInCapitalCommonStock
|
$6.68B | USD | Point-in-time |
| Additional paid-in capital |
AdditionalPaidInCapitalCommonStock
|
$6.95B | USD | Point-in-time |
| Accumulated other comprehensive income |
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
$468.59M | USD | Point-in-time |
| Accumulated other comprehensive income |
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
$518.53M | USD | Point-in-time |
| Retained earnings |
RetainedEarningsAccumulatedDeficit
|
$3.86B | USD | Point-in-time |
| Retained earnings |
RetainedEarningsAccumulatedDeficit
|
$3.67B | USD | Point-in-time |
| Shareholders equity |
StockholdersEquity
|
$11.27B | USD | Point-in-time |
| Shareholders equity |
StockholdersEquity
|
$10.87B | USD | Point-in-time |
| Shareholders equity |
StockholdersEquity
|
$9.42B | USD | Point-in-time |
| Shareholders equity |
StockholdersEquity
|
$9.84B | USD | Point-in-time |
| Long-term debt, net |
LongTermDebtAndCapitalLeaseObligations
|
$7.44B | USD | Point-in-time |
| Long-term debt, net |
LongTermDebtAndCapitalLeaseObligations
|
$6.55B | USD | Point-in-time |
| Securitized long-term debt (See Note 9) |
SecuritizedLongTermDebtExcludingCurrentMaturities
|
$85.08M | USD | Point-in-time |
| Securitized long-term debt (See Note 9) |
SecuritizedLongTermDebtExcludingCurrentMaturities
|
$85.08M | USD | Point-in-time |
| Total capitalization |
CapitalizationLongtermDebtAndEquity
|
$18.80B | USD | Point-in-time |
| Total capitalization |
CapitalizationLongtermDebtAndEquity
|
$17.51B | USD | Point-in-time |
| Accounts payable and accrued liabilities |
AccountsPayableAndAccruedLiabilitiesCurrent
|
$336.08M | USD | Point-in-time |
| Accounts payable and accrued liabilities |
AccountsPayableAndAccruedLiabilitiesCurrent
|
$416.69M | USD | Point-in-time |
| Other current liabilities |
OtherLiabilitiesCurrent
|
$742.30M | USD | Point-in-time |
| Other current liabilities |
OtherLiabilitiesCurrent
|
$763.09M | USD | Point-in-time |
| Short-term debt |
ShortTermBorrowings
|
- | USD | Point-in-time |
| Short-term debt |
ShortTermBorrowings
|
$241.93M | USD | Point-in-time |
| Current maturities of long-term debt |
LongTermDebtAndCapitalLeaseObligationsCurrent
|
$1.57M | USD | Point-in-time |
| Current maturities of long-term debt |
LongTermDebtAndCapitalLeaseObligationsCurrent
|
$1.56M | USD | Point-in-time |
| Current maturities of securitized long-term debt (See Note 9) |
SecuritizedLongTermDebtCurrentMaturities
|
$9.92M | USD | Point-in-time |
| Current maturities of securitized long-term debt (See Note 9) |
SecuritizedLongTermDebtCurrentMaturities
|
$9.92M | USD | Point-in-time |
| Total current liabilities |
LiabilitiesCurrent
|
$1.35B | USD | Point-in-time |
| Total current liabilities |
LiabilitiesCurrent
|
$1.17B | USD | Point-in-time |
| Deferred income taxes |
DeferredIncomeTaxLiabilitiesNet
|
$2.30B | USD | Point-in-time |
| Deferred income taxes |
DeferredIncomeTaxLiabilitiesNet
|
$2.38B | USD | Point-in-time |
| Regulatory excess deferred taxes |
ChangeinTaxRateDeferredTaxLiability
|
$253.21M | USD | Point-in-time |
| Regulatory excess deferred taxes |
ChangeinTaxRateDeferredTaxLiability
|
$231.98M | USD | Point-in-time |
| Regulatory cost of removal obligation |
RegulatoryCostOfRemovalLiabilityNoncurrent
|
$498.13M | USD | Point-in-time |
| Regulatory cost of removal obligation |
RegulatoryCostOfRemovalLiabilityNoncurrent
|
$497.02M | USD | Point-in-time |
| Deferred credits and other liabilities |
OtherLiabilitiesNoncurrent
|
$599.90M | USD | Point-in-time |
| Deferred credits and other liabilities |
OtherLiabilitiesNoncurrent
|
$601.74M | USD | Point-in-time |
| Total capitalization and liabilities |
LiabilitiesAndStockholdersEquity
|
$22.52B | USD | Point-in-time |
| Total capitalization and liabilities |
LiabilitiesAndStockholdersEquity
|
$23.68B | USD | Point-in-time |
Income Statement
44 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Net unrealized holding gains on available-for-sale securities, tax |
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
$86.00K | USD | 1 Quarter |
| Net unrealized holding gains on available-for-sale securities, tax |
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
|
$25.00K | USD | 1 Quarter |
| Amortization and unrealized gains (losses) on interest rate agreements, tax |
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent
|
$6.40M | USD | 1 Quarter |
| Amortization and unrealized gains (losses) on interest rate agreements, tax |
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent
|
$-14.52M | USD | 1 Quarter |
| Operating revenues |
Revenues
|
$1.48B | USD | 1 Quarter |
| Operating revenues |
Revenues
|
$1.16B | USD | 1 Quarter |
| Purchased gas cost |
CostOfRevenue
|
$738.25M | USD | 1 Quarter |
| Purchased gas cost |
CostOfRevenue
|
$338.87M | USD | 1 Quarter |
| Operation and maintenance expense |
OtherSellingGeneralAndAdministrativeExpense
|
$185.02M | USD | 1 Quarter |
| Operation and maintenance expense |
OtherSellingGeneralAndAdministrativeExpense
|
$166.34M | USD | 1 Quarter |
| Depreciation and amortization expense |
DepreciationAndAmortization
|
$146.02M | USD | 1 Quarter |
| Depreciation and amortization expense |
DepreciationAndAmortization
|
$164.61M | USD | 1 Quarter |
| Taxes, other than income |
TaxesOther
|
$93.54M | USD | 1 Quarter |
| Taxes, other than income |
TaxesOther
|
$89.54M | USD | 1 Quarter |
| Operating income |
OperatingIncomeLoss
|
$399.11M | USD | 1 Quarter |
| Operating income |
OperatingIncomeLoss
|
$321.19M | USD | 1 Quarter |
| Other non-operating income |
OtherNonoperatingIncomeExpense
|
$21.19M | USD | 1 Quarter |
| Other non-operating income |
OtherNonoperatingIncomeExpense
|
$17.89M | USD | 1 Quarter |
| Interest charges |
InterestExpense
|
$36.76M | USD | 1 Quarter |
| Interest charges |
InterestExpense
|
$51.88M | USD | 1 Quarter |
| Income before income taxes |
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
$305.62M | USD | 1 Quarter |
| Income before income taxes |
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
$365.12M | USD | 1 Quarter |
| Income tax expense |
IncomeTaxExpenseBenefit
|
$33.76M | USD | 1 Quarter |
| Income tax expense |
IncomeTaxExpenseBenefit
|
$53.82M | USD | 1 Quarter |
| Net income |
NetIncomeLoss
|
$271.86M | USD | 1 Quarter |
| Net income |
NetIncomeLoss
|
$311.29M | USD | 1 Quarter |
| Basic net income per share (USD per share) |
EarningsPerShareBasic
|
$1.92 | USD | 1 Quarter |
| Basic net income per share (USD per share) |
EarningsPerShareBasic
|
$2.08 | USD | 1 Quarter |
| Diluted net income per share (USD per share) |
EarningsPerShareDiluted
|
$1.91 | USD | 1 Quarter |
| Diluted net income per share (USD per share) |
EarningsPerShareDiluted
|
$2.08 | USD | 1 Quarter |
| Cash dividends per share (USD per share) |
CommonStockDividendsPerShareCashPaid
|
$0.81 | USD | 1 Quarter |
| Cash dividends per share (USD per share) |
CommonStockDividendsPerShareCashPaid
|
$0.74 | USD | 1 Quarter |
| Basic weighted average shares outstanding (in shares) |
WeightedAverageNumberOfSharesOutstandingBasic
|
141.82M | shares | 1 Quarter |
| Basic weighted average shares outstanding (in shares) |
WeightedAverageNumberOfSharesOutstandingBasic
|
149.80M | shares | 1 Quarter |
| Diluted weighted average shares outstanding (in shares) |
WeightedAverageNumberOfDilutedSharesOutstanding
|
141.94M | shares | 1 Quarter |
| Diluted weighted average shares outstanding (in shares) |
WeightedAverageNumberOfDilutedSharesOutstanding
|
149.80M | shares | 1 Quarter |
| Net unrealized holding gains on available-for-sale securities, net of tax of $86 and $25 |
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
$87.00K | USD | 1 Quarter |
| Net unrealized holding gains on available-for-sale securities, net of tax of $86 and $25 |
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
|
$296.00K | USD | 1 Quarter |
| Amortization and unrealized gains (losses) on interest rate agreements, net of tax of $(14,519) and $6,397 |
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent
|
$-50.23M | USD | 1 Quarter |
| Amortization and unrealized gains (losses) on interest rate agreements, net of tax of $(14,519) and $6,397 |
OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent
|
$22.13M | USD | 1 Quarter |
| Total other comprehensive income (loss) |
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
$22.22M | USD | 1 Quarter |
| Total other comprehensive income (loss) |
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
$-49.94M | USD | 1 Quarter |
| Total comprehensive income |
ComprehensiveIncomeNetOfTax
|
$261.36M | USD | 1 Quarter |
| Total comprehensive income |
ComprehensiveIncomeNetOfTax
|
$294.08M | USD | 1 Quarter |
Cash Flow Statement
46 line items
| Line Item | Tag | Value | Unit | Period |
|---|---|---|---|---|
| Net income |
NetIncomeLoss
|
$271.86M | USD | 1 Quarter |
| Net income |
NetIncomeLoss
|
$311.29M | USD | 1 Quarter |
| Depreciation and amortization expense |
DepreciationDepletionAndAmortization
|
$146.02M | USD | 1 Quarter |
| Depreciation and amortization expense |
DepreciationDepletionAndAmortization
|
$164.61M | USD | 1 Quarter |
| Deferred income taxes |
DeferredIncomeTaxExpenseBenefit
|
$29.69M | USD | 1 Quarter |
| Deferred income taxes |
DeferredIncomeTaxExpenseBenefit
|
$44.11M | USD | 1 Quarter |
| Other |
OtherNoncashIncomeExpense
|
$17.51M | USD | 1 Quarter |
| Other |
OtherNoncashIncomeExpense
|
$16.84M | USD | 1 Quarter |
| Net assets / liabilities from risk management activities |
IncreaseDecreaseInCommodityContractAssetsAndLiabilities
|
$-5.59M | USD | 1 Quarter |
| Net assets / liabilities from risk management activities |
IncreaseDecreaseInCommodityContractAssetsAndLiabilities
|
$-218.00K | USD | 1 Quarter |
| Net change in other operating assets and liabilities |
IncreaseDecreaseInOtherOperatingCapitalNet
|
$241.38M | USD | 1 Quarter |
| Net change in other operating assets and liabilities |
IncreaseDecreaseInOtherOperatingCapitalNet
|
$263.48M | USD | 1 Quarter |
| Net cash provided by operating activities |
NetCashProvidedByUsedInOperatingActivities
|
$188.90M | USD | 1 Quarter |
| Net cash provided by operating activities |
NetCashProvidedByUsedInOperatingActivities
|
$245.28M | USD | 1 Quarter |
| Capital expenditures |
PaymentsToAcquireProductiveAssets
|
$795.66M | USD | 1 Quarter |
| Capital expenditures |
PaymentsToAcquireProductiveAssets
|
$769.65M | USD | 1 Quarter |
| Debt and equity securities activities, net |
PaymentsForProceedsFromInvestments
|
$78.00K | USD | 1 Quarter |
| Debt and equity securities activities, net |
PaymentsForProceedsFromInvestments
|
$2.47M | USD | 1 Quarter |
| Other, net |
PaymentsForProceedsFromOtherInvestingActivities
|
$-5.35M | USD | 1 Quarter |
| Other, net |
PaymentsForProceedsFromOtherInvestingActivities
|
$-5.62M | USD | 1 Quarter |
| Net cash used in investing activities |
NetCashProvidedByUsedInInvestingActivities
|
$-792.51M | USD | 1 Quarter |
| Net cash used in investing activities |
NetCashProvidedByUsedInInvestingActivities
|
$-764.38M | USD | 1 Quarter |
| Net decrease in short-term debt |
ProceedsFromRepaymentsOfShortTermDebt
|
$-184.97M | USD | 1 Quarter |
| Net decrease in short-term debt |
ProceedsFromRepaymentsOfShortTermDebt
|
$-241.93M | USD | 1 Quarter |
| Net proceeds from equity issuances |
ProceedsFromIssuanceOfCommonStock
|
$254.02M | USD | 1 Quarter |
| Net proceeds from equity issuances |
ProceedsFromIssuanceOfCommonStock
|
$220.00M | USD | 1 Quarter |
| Issuance of common stock through stock purchase and employee retirement plans |
ProceedsFromStockPlans
|
$3.78M | USD | 1 Quarter |
| Issuance of common stock through stock purchase and employee retirement plans |
ProceedsFromStockPlans
|
$3.75M | USD | 1 Quarter |
| Proceeds from issuance of long-term debt |
ProceedsFromIssuanceOfLongTermDebt
|
$797.26M | USD | 1 Quarter |
| Proceeds from issuance of long-term debt |
ProceedsFromIssuanceOfLongTermDebt
|
$898.27M | USD | 1 Quarter |
| Cash dividends paid |
PaymentsOfDividendsCommonStock
|
$104.55M | USD | 1 Quarter |
| Cash dividends paid |
PaymentsOfDividendsCommonStock
|
$119.90M | USD | 1 Quarter |
| Debt issuance costs |
PaymentsOfDebtIssuanceCosts
|
$8.92M | USD | 1 Quarter |
| Debt issuance costs |
PaymentsOfDebtIssuanceCosts
|
$7.86M | USD | 1 Quarter |
| Net cash provided by financing activities |
NetCashProvidedByUsedInFinancingActivities
|
$723.65M | USD | 1 Quarter |
| Net cash provided by financing activities |
NetCashProvidedByUsedInFinancingActivities
|
$785.29M | USD | 1 Quarter |
| Net increase in cash and cash equivalents and restricted cash and cash equivalents |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
$266.20M | USD | 1 Quarter |
| Net increase in cash and cash equivalents and restricted cash and cash equivalents |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
|
$120.04M | USD | 1 Quarter |
| Cash and cash equivalents and restricted cash and cash equivalents at beginning of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$171.60M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at beginning of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$19.25M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at beginning of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$51.55M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at beginning of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$285.44M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at end of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$171.60M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at end of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$19.25M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at end of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$51.55M | USD | Point-in-time |
| Cash and cash equivalents and restricted cash and cash equivalents at end of period |
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
$285.44M | USD | Point-in-time |
Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.