$SR
SPIRE INC Stock $sr

$sr Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000143774922027522 Filed on November 16, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2022
Revenue	$814.0M	$314.2M	$2.199B
YoY Change	46.56%	8.27%	-1.66%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$62.10M	$61.10M	$237.3M
YoY Change	9.14%	5.89%	11.36%
% of Gross Profit
Operating Expenses	$663.8M	$284.4M	$1.790B
YoY Change	44.27%	7.93%	0.28%
Operating Profit	$150.2M	$150.2M	$408.2M
YoY Change	57.61%	57.61%	-9.33%
Interest Expense	-$43.60M	-$34.40M	$119.8M
YoY Change	52.45%	21.99%	12.38%
% of Operating Profit	-29.03%	-22.9%	29.35%
Other Income/Expense, Net	$6.000M	-$600.0K	-$8.700M
YoY Change	-18.92%	-92.94%	155.88%
Pretax Income	$112.6M	-$5.200M	$279.7M
YoY Change	51.96%	-48.0%	-17.78%
Income Tax	$21.60M	$1.900M	$58.90M
% Of Pretax Income	19.18%		21.06%
Net Earnings	$91.00M	-$7.100M	$220.8M
YoY Change	63.38%	-28.28%	-18.73%
Net Earnings / Revenue	11.18%	-2.26%	10.04%
Basic Earnings Per Share	$1.66	$1.66	$3.96
Diluted Earnings Per Share	$1.660M	-$135.8K	$3.95
COMMON SHARES
Basic Shares Outstanding	52.50M	52.49M	52.00M
Diluted Shares Outstanding	52.60M	52.60M	52.10M

Balance Sheet

Concept	2022 Q4	2022 Q3	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.800M	$6.500M	$6.500M
YoY Change	-41.46%	51.16%	51.16%
Cash & Equivalents	$4.800M	$6.500M	$6.500M
Short-Term Investments
Other Short-Term Assets	$145.2M	$122.7M	$540.5M
YoY Change	-58.81%	85.35%	31.54%
Inventory	$372.7M	$422.3M	$422.3M
Prepaid Expenses	$31.60M	$41.10M
Receivables	$779.6M	$622.7M	$622.7M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.630B	$1.592B	$1.592B
YoY Change	13.54%	20.93%	20.93%
LONG-TERM ASSETS
Property, Plant & Equipment	$508.9M	$491.4M	$5.936B
YoY Change	-90.91%	4.31%	6.23%
Goodwill	$1.172B	$1.172B
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$93.50M	$87.80M	$87.80M
YoY Change	3.43%	5.66%	5.66%
Other Assets	$260.4M	$258.1M	$1.297B
YoY Change	-80.77%	-2.57%	8.25%
Total Long-Term Assets	$8.698B	$8.492B	$8.492B
YoY Change	5.88%	5.62%	5.62%
TOTAL ASSETS
Total Short-Term Assets	$1.630B	$1.592B	$1.592B
Total Long-Term Assets	$8.698B	$8.492B	$8.492B
Total Assets	$10.33B	$10.08B	$10.08B
YoY Change	7.02%	7.77%	7.77%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$506.8M	$617.4M	$617.4M
YoY Change	18.55%	50.62%	50.62%
Accrued Expenses	$30.60M	$50.20M	$56.70M
YoY Change	2.34%	-23.94%	-14.09%
Deferred Revenue	$16.90M	$18.70M
YoY Change	-46.01%	-41.74%
Short-Term Debt	$1.227B	$1.038B	$1.038B
YoY Change	45.04%	54.39%	54.39%
Long-Term Debt Due	$256.6M	$281.2M	$281.2M
YoY Change	722.44%	403.94%	403.94%
Total Short-Term Liabilities	$2.405B	$2.354B	$2.354B
YoY Change	39.75%	46.34%	46.34%
LONG-TERM LIABILITIES
Long-Term Debt	$3.156B	$2.959B	$2.959B
YoY Change	-1.57%	0.66%	0.66%
Other Long-Term Liabilities	$156.6M	$162.8M	$1.265B
YoY Change	-89.03%	6.89%	-17.26%
Total Long-Term Liabilities	$3.313B	$3.121B	$4.223B
YoY Change	-28.52%	0.97%	-5.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.405B	$2.354B	$2.354B
Total Long-Term Liabilities	$3.313B	$3.121B	$4.223B
Total Liabilities	$5.718B	$5.475B	$7.265B
YoY Change	-18.09%	16.49%	8.46%
SHAREHOLDERS EQUITY
Retained Earnings	$953.0M	$905.5M
YoY Change	10.88%	7.41%
Common Stock	$52.50M	$52.50M
YoY Change	1.55%	1.55%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.864B	$2.819B	$2.819B
YoY Change
Total Liabilities & Shareholders Equity	$10.33B	$10.08B	$10.08B
YoY Change	7.02%	7.77%	7.77%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2022
OPERATING ACTIVITIES
Net Income	$91.00M	-$7.100M	$220.8M
YoY Change	63.38%	-28.28%	-18.73%
Depreciation, Depletion And Amortization	$62.10M	$61.10M	$237.3M
YoY Change	9.14%	5.89%	11.36%
Cash From Operating Activities	-$170.8M	-$149.6M	$55.00M
YoY Change	-25.71%	-614.09%	-77.98%
INVESTING ACTIVITIES
Capital Expenditures	$154.8M	-$149.7M	$552.2M
YoY Change	-206.25%	-7.36%	-11.62%
Acquisitions			$0.00
YoY Change
Other Investing Activities	-$3.100M	$1.300M	-$5.500M
YoY Change	-219.23%	0.0%	-296.43%
Cash From Investing Activities	-$151.7M	-$148.4M	-$546.7M
YoY Change	6.01%	-7.42%	-12.11%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$51.90M
YoY Change
Debt Paid & Issued, Net	$31.20M		$55.80M
YoY Change	-44.09%		-51.65%
Cash From Financing Activities	$321.0M	288.4M	$500.9M
YoY Change	-14.83%	143.17%	32.02%
NET CHANGE
Cash From Operating Activities	-$170.8M	-149.6M	$55.00M
Cash From Investing Activities	-$151.7M	-148.4M	-$546.7M
Cash From Financing Activities	$321.0M	288.4M	$500.9M
Net Change In Cash	-$1.500M	-9.600M	$9.200M
YoY Change	-138.46%	-23.81%	27.78%
FREE CASH FLOW
Cash From Operating Activities	-$170.8M	-$149.6M	$55.00M
Capital Expenditures	$154.8M	-$149.7M	$552.2M
Free Cash Flow	-$325.6M	$100.0K	-$497.2M
YoY Change	286.7%	-99.95%	32.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.49
CY2020	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	1.84375
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	50700000	usd
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	32100000	usd
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000.0
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000.0
CY2022Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	52500000
CY2022Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	52500000
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51700000
CY2021Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	51700000
CY2022Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.60
CY2021	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	1.475
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.74
CY2022	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	1.475
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2021Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2021Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	0	usd
CY2022	sr	Implementation Period Used To Calculate Return On Plan Assets ImplementationPeriodUsedToCalculateReturnOnPlanAssets	P4Y
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-16681
CY2022	dei	Entity Registrant Name EntityRegistrantName	Spire Inc.
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	700 Market Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	St. Louis
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	63101
CY2022	dei	City Area Code CityAreaCode	314
CY2022	dei	Local Phone Number LocalPhoneNumber	342-0500
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MO
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	74-2976504
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q1	dei	Entity Public Float EntityPublicFloat	3627663025	usd
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	52499844
CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	St. Louis, Missouri
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	St. Louis, Missouri
CY2022	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2198500000	usd
CY2021	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2235500000	usd
CY2020	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1855400000	usd
CY2022	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	923900000	usd
CY2021	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	946300000	usd
CY2020	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	696100000	usd
CY2022	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	449600000	usd
CY2021	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	465800000	usd
CY2020	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	458600000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	237300000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	213100000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	197300000	usd
CY2022	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	179500000	usd
CY2021	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	160100000	usd
CY2020	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	148400000	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	148600000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	1790300000	usd
CY2021	us-gaap	Operating Expenses OperatingExpenses	1785300000	usd
CY2020	us-gaap	Operating Expenses OperatingExpenses	1649000000.0	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	408200000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	450200000	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	206400000	usd
CY2022	us-gaap	Interest Expense InterestExpense	119800000	usd
CY2021	us-gaap	Interest Expense InterestExpense	106600000	usd
CY2020	us-gaap	Interest Expense InterestExpense	105500000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8700000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3400000	usd
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	100000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	279700000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	340200000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	101000000.0	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	58900000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	68500000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12400000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	78700000	usd
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	300000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	400000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	100000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	205700000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	256500000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	73700000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52000000.0
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CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52100000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51700000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51300000
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.96
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CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.95
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.96
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	56700000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	61200000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax	-8900000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	1200000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	1300000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax	3200000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	55500000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	59900000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Before Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTaxParent	-12100000	usd
CY2022	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-1500000	usd
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	1300000	usd
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	500000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-400000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-200000	usd
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CY2021	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	58400000	usd
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CY2021	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	13600000	usd
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CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	264400000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	316500000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	7664900000	usd
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Transmission And Distribution PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution	7225000000.0	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	2294500000	usd
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	2169300000	usd
CY2022Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	5370400000	usd
CY2021Q3	us-gaap	Public Utilities Property Plant And Equipment Net PublicUtilitiesPropertyPlantAndEquipmentNet	5055700000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	491400000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	471100000	usd
CY2022Q3	us-gaap	Other Investments OtherInvestments	87800000	usd
CY2021Q3	us-gaap	Other Investments OtherInvestments	83100000	usd
CY2022Q3	sr	Other Property And Investments OtherPropertyAndInvestments	579200000	usd
CY2021Q3	sr	Other Property And Investments OtherPropertyAndInvestments	554200000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6500000	usd
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4300000	usd
CY2022Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	210800000	usd
CY2021Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	338400000	usd
CY2022Q3	sr	Accounts Receivable Other AccountsReceivableOther	443800000	usd
CY2021Q3	sr	Accounts Receivable Other AccountsReceivableOther	288200000	usd
CY2022Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	31900000	usd
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	30300000	usd
CY2022Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	21300000	usd
CY2021Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	9200000	usd
CY2022Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	371800000	usd
CY2021Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	267700000	usd
CY2022Q3	us-gaap	Energy Related Inventory Propane Gas EnergyRelatedInventoryPropaneGas	8600000	usd
CY2021Q3	us-gaap	Energy Related Inventory Propane Gas EnergyRelatedInventoryPropaneGas	8700000	usd
CY2022Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	41900000	usd
CY2021Q3	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	28600000	usd
CY2022Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	355400000	usd
CY2021Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	306500000	usd
CY2022Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	41100000	usd
CY2021Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	29000000.0	usd
CY2022Q3	us-gaap	Other Assets Current OtherAssetsCurrent	122700000	usd
CY2021Q3	us-gaap	Other Assets Current OtherAssetsCurrent	66200000	usd
CY2022Q3	us-gaap	Assets Current AssetsCurrent	1592000000.0	usd
CY2021Q3	us-gaap	Assets Current AssetsCurrent	1316500000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	1171600000	usd
CY2021Q3	us-gaap	Goodwill Goodwill	1171600000	usd
CY2022Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1112400000	usd
CY2021Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	993500000	usd
CY2022Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	258100000	usd
CY2021Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	264900000	usd
CY2022Q3	sr	Regulatory And Other Assets Noncurrent RegulatoryAndOtherAssetsNoncurrent	2542100000	usd
CY2021Q3	sr	Regulatory And Other Assets Noncurrent RegulatoryAndOtherAssetsNoncurrent	2430000000.0	usd
CY2022Q3	us-gaap	Assets Assets	10083700000	usd
CY2021Q3	us-gaap	Assets Assets	9356400000	usd
CY2022Q3	us-gaap	Common Stock Value CommonStockValue	52500000	usd
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	51700000	usd
CY2022Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1571300000	usd
CY2021Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1517900000	usd
CY2022Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	905500000	usd
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	843000000.0	usd
CY2022Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	47200000	usd
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3600000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2818500000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2658200000	usd
CY2022Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	13100000	usd
CY2021Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	9800000	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2958500000	usd
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2939100000	usd
CY2022Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	5790100000	usd
CY2021Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	5607100000	usd
CY2022Q3	sr	Longterm Debt Current Maturities Excluding Notes Payable LongtermDebtCurrentMaturitiesExcludingNotesPayable	281200000	usd
CY2021Q3	sr	Longterm Debt Current Maturities Excluding Notes Payable LongtermDebtCurrentMaturitiesExcludingNotesPayable	55800000	usd
CY2022Q3	us-gaap	Notes Payable Current NotesPayableCurrent	1037500000	usd
CY2021Q3	us-gaap	Notes Payable Current NotesPayableCurrent	672000000.0	usd
CY2022Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	617400000	usd
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	409900000	usd
CY2022Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	18700000	usd
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	32100000	usd
CY2022Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	50200000	usd
CY2021Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	59500000	usd
CY2022Q3	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	28200000	usd
CY2021Q3	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	28900000	usd
CY2022Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	90100000	usd
CY2021Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	78800000	usd
CY2022Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	3700000	usd
CY2021Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	34600000	usd
CY2022Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	226600000	usd
CY2021Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	236700000	usd
CY2022Q3	us-gaap	Liabilities Current LiabilitiesCurrent	2353600000	usd
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1608300000	usd
CY2022Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	675100000	usd
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	612300000	usd
CY2022Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	163000000.0	usd
CY2021Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	235900000	usd
CY2022Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	520900000	usd
CY2021Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	519600000	usd
CY2022Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	418200000	usd
CY2021Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	620900000	usd
CY2022Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	162800000	usd
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	152300000	usd
CY2022Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1940000000.0	usd
CY2021Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	2141000000.0	usd
CY2022Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	10083700000	usd
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9356400000	usd
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2543000000.0	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2020	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	9200000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6000000.0	usd
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	3200000	usd
CY2020	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	3400000	usd
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	128400000	usd
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	18400000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-9900000	usd
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	2522300000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2021	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1600000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9100000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1100000	usd
CY2021	sr	Adjustments To Additional Paid In Capital Equity Stock Units Issued AdjustmentsToAdditionalPaidInCapitalEquityStockUnitsIssued	-40800000	usd
CY2021	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	1300000	usd
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	135900000	usd
CY2021	us-gaap	Dividends Preferred Stock DividendsPreferredStock	14800000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	44800000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	2658200000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2022	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1600000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4100000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	0	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1800000	usd
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	143500000	usd
CY2022	us-gaap	Dividends Preferred Stock DividendsPreferredStock	14800000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	43600000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	2818500000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	237300000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	213100000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	197300000	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	148600000	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	57900000	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	67000000.0	usd
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	9000000.0	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	26500000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	343000000.0	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-36200000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	117200000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	111000000.0	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2600000	usd
CY2022	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	409000000.0	usd
CY2021	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-76600000	usd
CY2020	us-gaap	Increase Decrease In Regulatory Assets And Liabilities IncreaseDecreaseInRegulatoryAssetsAndLiabilities	-600000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	190700000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	177700000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-43100000	usd
CY2022	sr	Increase Decrease In Delayed Advances Customer Billings IncreaseDecreaseInDelayedAdvancesCustomerBillings	-25500000	usd
CY2021	sr	Increase Decrease In Delayed Advances Customer Billings IncreaseDecreaseInDelayedAdvancesCustomerBillings	-12400000	usd
CY2020	sr	Increase Decrease In Delayed Advances Customer Billings IncreaseDecreaseInDelayedAdvancesCustomerBillings	7000000.0	usd
CY2022	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	11200000	usd
CY2021	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	8900000	usd
CY2020	us-gaap	Increase Decrease In Accrued Taxes Payable IncreaseDecreaseInAccruedTaxesPayable	2900000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	93500000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	116100000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-12000000.0	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	8800000	usd
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	17300000	usd
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	8200000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	55000000.0	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	249800000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	469900000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	552200000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	624800000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	638400000	usd
CY2022	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-5500000	usd
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2800000	usd
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-6800000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-546700000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-622000000.0	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-631600000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	300000000.0	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	629100000	usd
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	510000000.0	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	55800000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	115400000	usd
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	147000000.0	usd
CY2022	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	365500000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	24000000.0	usd
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-95200000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	51900000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1000000.0	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	41100000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	141900000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	133200000	usd
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	128000000.0	usd
CY2022	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	14800000	usd
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	14800000	usd
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	14800000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-4000000.0	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-11300000	usd
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6100000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	500900000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	379400000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	160000000.0	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9200000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	7200000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1700000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	11300000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	4100000	usd
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	5800000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	20500000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	11300000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	4100000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	119900000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	98700000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	100000000.0	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1800000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1500000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2900000	usd
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<b>USE OF ESTIMATES </b>– The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates.
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1000000
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30300000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	77800000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	59500000	usd
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	67600000	usd
CY2021Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	519600000	usd
CY2020Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	540100000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	3200000	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	11100000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	9200000	usd
CY2021	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	21900000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	21100000	usd
CY2021	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	21800000	usd
CY2022	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-13800000	usd
CY2021	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-31500000	usd
CY2022Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	520900000	usd
CY2021Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	519600000	usd
CY2022	sr	Difference Between Replacement Cost Of Gas Storage And Inventory Basis Amount DifferenceBetweenReplacementCostOfGasStorageAndInventoryBasisAmount	37300000	usd
CY2021	sr	Difference Between Replacement Cost Of Gas Storage And Inventory Basis Amount DifferenceBetweenReplacementCostOfGasStorageAndInventoryBasisAmount	14000000.0	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0157	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.322	pure
CY2022Q3	us-gaap	Restricted Cash RestrictedCash	14000000.0	usd
CY2021Q3	us-gaap	Restricted Cash RestrictedCash	7000000.0	usd
CY2020	sr	Accounts Receivable Allowance For Credit Loss Writeoff Net Of Recoveries AccountsReceivableAllowanceForCreditLossWriteoffNetOfRecoveries	12100000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	31900000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0079	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0022	pure
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30300000	usd
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	24900000	usd
CY2019Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	23000000.0	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	11600000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	14700000	usd
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	14000000.0	usd
CY2022	sr	Accounts Receivable Allowance For Credit Loss Writeoff Net Of Recoveries AccountsReceivableAllowanceForCreditLossWriteoffNetOfRecoveries	10000000.0	usd
CY2021	sr	Accounts Receivable Allowance For Credit Loss Writeoff Net Of Recoveries AccountsReceivableAllowanceForCreditLossWriteoffNetOfRecoveries	9300000	usd
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	24900000	usd
CY2022	sr	Taxes Receipt Amounts Included Operating Revenues TaxesReceiptAmountsIncludedOperatingRevenues	109800000	usd
CY2021	sr	Taxes Receipt Amounts Included Operating Revenues TaxesReceiptAmountsIncludedOperatingRevenues	94000000.0	usd
CY2020	sr	Taxes Receipt Amounts Included Operating Revenues TaxesReceiptAmountsIncludedOperatingRevenues	91500000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.314	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.168	pure
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	7500000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	16600000	usd
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	9400000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	-1100000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	-2700000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	-600000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	6400000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13900000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8800000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-1500000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-3200000	usd
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-2100000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	4900000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	10700000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	6700000	usd
CY2022Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	11200000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y8M12D
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	300000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	400000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	100000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	205700000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	256500000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	73700000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52000000.0
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51600000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51200000
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.96
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.97
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2022	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	14800000	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	300000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	400000	usd
CY2020	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	100000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	205700000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	256500000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	73700000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	52000000.0
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51600000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	51200000
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52100000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51700000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51300000
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.95
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.96
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	100000
CY2022Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2022Q3	sr	Number Of Shares Authorized For Issuance NumberOfSharesAuthorizedForIssuance	250000
CY2022Q3	sr	Number Of Shares Remaining And Available For Issuance NumberOfSharesRemainingAndAvailableForIssuance	158535
CY2022Q3	sr	Retained Earnings Dividend Restrictions Formula Component Fixed Amount RetainedEarningsDividendRestrictionsFormulaComponentFixedAmount	8000000.0	usd
CY2022Q3	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	1579400000	usd
CY2021Q3	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	1413400000	usd
CY2022Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	3258900000	usd
CY2021Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	3014600000	usd
CY2022Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	19200000	usd
CY2021Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	19700000	usd
CY2022Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	281200000	usd
CY2021Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	55800000	usd
CY2022Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2958500000	usd
CY2021Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2939100000	usd
CY2021Q3	sr	Fair Value Of Cash Margin Receivable Offset With Derivatives FairValueOfCashMarginReceivableOffsetWithDerivatives	-135400000	usd
CY2022Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	117000000.0	usd
CY2021Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	73000000.0	usd
CY2022Q3	us-gaap	Derivative Assets DerivativeAssets	116200000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	281200000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	156600000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	342000000.0	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	312500000	usd
CY2022Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	108100000	usd
CY2022Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	3258900000	usd
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	4500000	usd
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	4400000	usd
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	5800000	usd
CY2022Q3	sr	Nonmonetary Notional Amount Of Natural Gas Derivative Contracts Not Designated As Normal Purchases Or Normal Sales NonmonetaryNotionalAmountOfNaturalGasDerivativeContractsNotDesignatedAsNormalPurchasesOrNormalSales	492200000
CY2022Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Next Twelve Months NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInNextTwelveMonths	347800000
CY2022Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Two NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearTwo	88800000
CY2022Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Three NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearThree	47500000
CY2022Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Four NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearFour	7000000.0
CY2022Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Five NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearFive	1100000
CY2022Q3	us-gaap	Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax AociLossCashFlowHedgeCumulativeGainLossAfterTax	63600000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	269800000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	178500000	usd
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	266500000	usd
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	164700000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	269800000	usd
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	266500000	usd
CY2022Q3	sr	Fair Value Of Cash Margin Receivable Offset With Derivatives FairValueOfCashMarginReceivableOffsetWithDerivatives	-36600000	usd
CY2021Q3	us-gaap	Derivative Assets DerivativeAssets	58100000	usd
CY2022Q3	us-gaap	Derivative Assets DerivativeAssets	116200000	usd
CY2021Q3	us-gaap	Derivative Assets DerivativeAssets	58100000	usd
CY2022Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	178500000	usd
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	164700000	usd
CY2022Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	117000000.0	usd
CY2021Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	73000000.0	usd
CY2022Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	61500000	usd
CY2021Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	91700000	usd
CY2022Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	61500000	usd
CY2021Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	91700000	usd
CY2022Q3	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	49800000	usd
CY2021Q3	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	40800000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	33500000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	18300000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	72600000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	77400000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	0	usd
CY2021Q3	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	0	usd
CY2022Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	255100000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	264500000	usd
CY2022Q3	sr	Deferred Tax Assets Regulatory Amount Due To Customers Net DeferredTaxAssetsRegulatoryAmountDueToCustomersNet	34500000	usd
CY2021Q3	sr	Deferred Tax Assets Regulatory Amount Due To Customers Net DeferredTaxAssetsRegulatoryAmountDueToCustomersNet	33200000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	24900000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	32400000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	420600000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	425800000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	-0	usd
CY2021Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	500000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	420600000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	425300000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	740000000.0	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	693900000	usd
CY2022Q3	sr	Deferred Tax Liabilities Regulatory Pension And Other Postretirement Benefits DeferredTaxLiabilitiesRegulatoryPensionAndOtherPostretirementBenefits	92800000	usd
CY2021Q3	sr	Deferred Tax Liabilities Regulatory Pension And Other Postretirement Benefits DeferredTaxLiabilitiesRegulatoryPensionAndOtherPostretirementBenefits	95600000	usd
CY2022Q3	sr	Deferred Tax Liabilities Deferred Gas Cost DeferredTaxLiabilitiesDeferredGasCost	75800000	usd
CY2021Q3	sr	Deferred Tax Liabilities Deferred Gas Cost DeferredTaxLiabilitiesDeferredGasCost	81100000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	187100000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	167000000.0	usd
CY2022Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1095700000	usd
CY2021Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1037600000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	675100000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	612300000	usd
CY2022Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	1047700000	usd
CY2022Q3	sr	Charitable Contribution Carryforwards CharitableContributionCarryforwards	10400000	usd
CY2022Q3	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	4600000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	4000000.0	usd
CY2021Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3600000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	0	usd
CY2022	us-gaap	Defined Benefit Plan Benefit Obligation Increase Decrease For Remeasurement Due To Settlement DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement	0	usd
CY2021	us-gaap	Defined Benefit Plan Benefit Obligation Increase Decrease For Remeasurement Due To Settlement DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement	0	usd
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	464400000	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	689600000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	457100000	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	673300000	usd
CY2022Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	332700000	usd
CY2021Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	498900000	usd
CY2022	sr	Gains Or Losses Includible In Cost Amortized To Extent Exceeds Projected Benefit Obligations Or Market Related Value Of Plan Assets Percentage GainsOrLossesIncludibleInCostAmortizedToExtentExceedsProjectedBenefitObligationsOrMarketRelatedValueOfPlanAssetsPercentage	0.10	pure
CY2018Q2	sr	Postretirement Benefit Plans Recovery In Rates Base Allowance PostretirementBenefitPlansRecoveryInRatesBaseAllowance	8600000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	15500000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	15500000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13600000	usd
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CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	237300000	usd
CY2022	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	179500000	usd
CY2022	us-gaap	Operating Expenses OperatingExpenses	1790300000	usd
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CY2021	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	160100000	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
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CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	624800000	usd
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CY2020	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	148400000	usd
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	148600000	usd
CY2020	us-gaap	Operating Expenses OperatingExpenses	1649000000.0	usd
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	206400000	usd
CY2020	sr	Net Economic Earnings NetEconomicEarnings	207800000	usd
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	638400000	usd
CY2022Q3	us-gaap	Assets Assets	10083700000	usd
CY2021Q3	us-gaap	Assets Assets	9356400000	usd
CY2020Q3	us-gaap	Assets Assets	8241200000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	220800000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	271700000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	88600000	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2020	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	148600000	usd
CY2022	sr	Public Utilities Approved Rate Increase Decrease Regulatory Costs PublicUtilitiesApprovedRateIncreaseDecreaseRegulatoryCosts	-0	usd
CY2021	sr	Public Utilities Approved Rate Increase Decrease Regulatory Costs PublicUtilitiesApprovedRateIncreaseDecreaseRegulatoryCosts	9000000.0	usd
CY2020	sr	Public Utilities Approved Rate Increase Decrease Regulatory Costs PublicUtilitiesApprovedRateIncreaseDecreaseRegulatoryCosts	-0	usd
CY2022	sr	Fair Value And Timing Adjustments FairValueAndTimingAdjustments	11400000	usd
CY2021	sr	Fair Value And Timing Adjustments FairValueAndTimingAdjustments	-3300000	usd
CY2020	sr	Fair Value And Timing Adjustments FairValueAndTimingAdjustments	-2500000	usd
CY2022	sr	Acquisition Divestiture And Restructuring Activities AcquisitionDivestitureAndRestructuringActivities	0	usd
CY2021	sr	Acquisition Divestiture And Restructuring Activities AcquisitionDivestitureAndRestructuringActivities	-1300000	usd
CY2020	sr	Acquisition Divestiture And Restructuring Activities AcquisitionDivestitureAndRestructuringActivities	0	usd
CY2022	sr	Net Economic Earnings Reconciliation Adjustments Income Tax NetEconomicEarningsReconciliationAdjustmentsIncomeTax	-6900000	usd
CY2021	sr	Net Economic Earnings Reconciliation Adjustments Income Tax NetEconomicEarningsReconciliationAdjustmentsIncomeTax	-1600000	usd
CY2020	sr	Net Economic Earnings Reconciliation Adjustments Income Tax NetEconomicEarningsReconciliationAdjustmentsIncomeTax	31900000	usd
CY2022	sr	Net Economic Earnings NetEconomicEarnings	216300000	usd
CY2021	sr	Net Economic Earnings NetEconomicEarnings	266300000	usd
CY2020	sr	Net Economic Earnings NetEconomicEarnings	207800000	usd
CY2022Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	355400000	usd
CY2021Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	306500000	usd
CY2022Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	1112400000	usd
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CY2022Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	421900000	usd
CY2021Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	655500000	usd
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CY2022	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	2107100000	usd
CY2022	sr	Capital Committed To Contribute To Partnership CapitalCommittedToContributeToPartnership	10000000.0	usd
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CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	7300000	usd
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CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	71100000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P15Y
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P15Y3M18D
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.041	pure
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.042	pure
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	6700000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	7300000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	7400000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	7300000	usd
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CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	80200000	usd
CY2022	dei	Amendment Flag AmendmentFlag	false
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CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
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CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
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CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	1-16681
CY2022	dei	Entity Registrant Name EntityRegistrantName	Spire Inc.
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	700 Market Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	St. Louis
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	63101
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CY2022	dei	Auditor Firm AuditorFirmId	34
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	St. Louis, Missouri
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	St. Louis, Missouri
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CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
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CY2022	dei	Entity File Number EntityFileNumber	1-16681
CY2022	dei	Entity Registrant Name EntityRegistrantName	Spire Inc.
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CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	St. Louis
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CY2022	dei	Auditor Location AuditorLocation	St. Louis, Missouri
CY2022	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2022	dei	Auditor Location AuditorLocation	St. Louis, Missouri

Files In Submission

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$SR
SPIRE INC Stock $sr

2022 Q4 Form 10-K Financial Statement

#000143774922027522 Filed on November 16, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SR SPIRE INC Stock $sr

2022 Q4 Form 10-K Financial Statement

#000143774922027522 Filed on November 16, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SR
SPIRE INC Stock $sr