$SR
SPIRE INC Stock $sr

$sr Overview Financials Valuation SEC Filings Company Website

2018 Q3 Form 10-K Financial Statement

#000156459019044464 Filed on November 26, 2019

Income Statement

Concept	2018 Q3	2018 Q2	2018 Q1
Revenue	$239.2M	$350.6M	$813.4M
YoY Change	-7.54%	8.38%	22.61%
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	$45.50M	$41.00M	$41.50M
YoY Change	14.61%	6.22%	9.21%
% of Gross Profit
Operating Expenses	$258.1M	$291.7M	$663.3M
YoY Change	0.51%	6.77%	37.33%
Operating Profit	-$18.90M	$58.90M	$150.1M
YoY Change	-1094.74%	17.1%	-16.8%
Interest Expense	-$24.40M	$24.20M	$25.40M
YoY Change	6.55%	13.08%	11.89%
% of Operating Profit		41.09%	16.92%
Other Income/Expense, Net	-$600.0K	-$3.100M	-$7.600M
YoY Change	-160.0%	-306.67%	-311.11%
Pretax Income	-$43.90M	$31.60M	$117.1M
YoY Change	119.5%	3.95%	-27.4%
Income Tax	-$11.90M	$5.700M	$18.90M
% Of Pretax Income		18.04%	16.14%
Net Earnings	-$25.90M	$25.90M	$98.20M
YoY Change	94.74%	19.35%	-9.07%
Net Earnings / Revenue	-10.83%	7.39%	12.07%
Basic Earnings Per Share	-$0.51	$0.52	$2.03
Diluted Earnings Per Share	-$0.51	$0.52	$2.03
COMMON SHARES
Basic Shares Outstanding	50.67M shares	49.60M	48.20M
Diluted Shares Outstanding		49.70M	48.40M

Balance Sheet

Concept	2018 Q3	2018 Q2	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.400M	$6.900M	$17.80M
YoY Change	-40.54%	-16.87%	-9.18%
Cash & Equivalents	$4.400M	$6.900M	$17.80M
Short-Term Investments
Other Short-Term Assets	$37.40M	$5.200M	$12.10M
YoY Change	503.23%	-97.28%	-92.66%
Inventory	$210.3M	$153.2M	$128.5M
Prepaid Expenses	$31.00M	$32.30M
Receivables	$296.8M	$246.7M	$388.0M
Other Receivables	$1.800M	$2.700M	$3.000M
Total Short-Term Assets	$659.6M	$584.9M	$718.3M
YoY Change	-9.08%	-7.03%	4.97%
LONG-TERM ASSETS
Property, Plant & Equipment	$174.5M	$143.5M	$116.9M
YoY Change	235.58%	259.65%	339.47%
Goodwill	$1.172B	$1.172B	$1.172B
YoY Change	0.0%	0.66%	0.66%
Intangibles
YoY Change
Long-Term Investments	$68.70M	$71.00M	$66.40M
YoY Change	7.01%	11.29%	5.06%
Other Assets	$128.9M	$87.00M	$81.60M
YoY Change	67.19%	-12.3%	-16.82%
Total Long-Term Assets	$6.184B	$6.000B	$5.869B
YoY Change	6.23%	5.84%	5.31%
TOTAL ASSETS
Total Short-Term Assets	$659.6M	$584.9M	$718.3M
Total Long-Term Assets	$6.184B	$6.000B	$5.869B
Total Assets	$6.844B	$6.585B	$6.587B
YoY Change	4.54%	4.55%	5.28%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$290.1M	$195.5M	$194.8M
YoY Change	12.84%	-5.28%	-10.89%
Accrued Expenses	$54.90M	$67.40M	$45.80M
YoY Change	3.0%	6.81%	3.39%
Deferred Revenue	$22.70M	$9.700M	$8.100M
YoY Change
Short-Term Debt	$553.6M	$191.0M	$391.7M
YoY Change	15.99%	-57.62%	-30.97%
Long-Term Debt Due	$175.5M	$155.5M	$105.5M
YoY Change	75.5%
Total Short-Term Liabilities	$1.322B	$814.1M	$928.0M
YoY Change	20.38%	-10.52%	-8.6%
LONG-TERM LIABILITIES
Long-Term Debt	$1.900B	$2.025B	$2.074B
YoY Change	-4.76%	5.15%	7.72%
Other Long-Term Liabilities	$66.80M	$65.80M	$70.00M
YoY Change	4.7%	-11.91%	-10.14%
Total Long-Term Liabilities	$1.967B	$2.090B	$2.144B
YoY Change	-4.46%	4.52%	7.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.322B	$814.1M	$928.0M
Total Long-Term Liabilities	$1.967B	$2.090B	$2.144B
Total Liabilities	$3.289B	$2.904B	$3.072B
YoY Change	4.18%	-0.19%	1.77%
SHAREHOLDERS EQUITY
Retained Earnings	$715.6M	$772.4M	$773.7M
YoY Change	16.51%	18.27%	17.96%
Common Stock	$50.70M	$50.70M	$48.40M
YoY Change	4.97%	5.19%	5.91%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.255B	$2.308B	$2.154B
YoY Change
Total Liabilities & Shareholders Equity	$6.844B	$6.585B	$6.587B
YoY Change	4.54%	4.55%	5.28%

Cashflow Statement

Concept	2018 Q3	2018 Q2	2018 Q1
OPERATING ACTIVITIES
Net Income	-$25.90M	$25.90M	$98.20M
YoY Change	94.74%	19.35%	-9.07%
Depreciation, Depletion And Amortization	$45.50M	$41.00M	$41.50M
YoY Change	14.61%	6.22%	9.21%
Cash From Operating Activities	-$54.70M	$201.7M	$291.7M
YoY Change	68.83%	113.21%	35.17%
INVESTING ACTIVITIES
Capital Expenditures	-$165.1M	-$118.5M	-$105.0M
YoY Change	18.35%	6.47%	7.14%
Acquisitions
YoY Change
Other Investing Activities	$4.700M	-$19.50M	-$1.600M
YoY Change	-1666.67%	-4000.0%	-260.0%
Cash From Investing Activities	-$160.4M	-$138.0M	-$106.6M
YoY Change	14.74%	24.55%	9.9%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	229.6M	-74.60M	-174.0M
YoY Change	34.03%	-1622.45%	58.47%
NET CHANGE
Cash From Operating Activities	-54.70M	201.7M	291.7M
Cash From Investing Activities	-160.4M	-138.0M	-106.6M
Cash From Financing Activities	229.6M	-74.60M	-174.0M
Net Change In Cash	14.50M	-10.90M	11.10M
YoY Change	-1711.11%	-3.54%	23.33%
FREE CASH FLOW
Cash From Operating Activities	-$54.70M	$201.7M	$291.7M
Capital Expenditures	-$165.1M	-$118.5M	-$105.0M
Free Cash Flow	$110.4M	$320.2M	$396.7M
YoY Change	3.08%	55.51%	26.42%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.53
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	1399800000
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.37
CY2018Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	31000000.0
CY2018Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	669800000
CY2019Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	767600000
CY2017	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1600000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	184600000
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	3900000
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	11500000
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.35
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.52
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.33
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.43
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	120500000
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-800000
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	96200000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	1650100000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	294100000
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	340900000
CY2011Q1	sr	Postretirement Benefit Plans Recovery In Rates Base Allowance PostretirementBenefitPlansRecoveryInRatesBaseAllowance	9500000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	161600000
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax	-46400000
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit	0
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50800000
CY2017	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	11800000
CY2018	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	600000
CY2017	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	4400000
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-400000
CY2017	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-100000
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-48500000
CY2018	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	3100000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	7400000
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	-400000
CY2019	us-gaap	Revenue Practical Expedient Remaining Performance Obligation RevenuePracticalExpedientRemainingPerformanceObligation	true
CY2018	sr	Defined Benefit Plan Medical Insurance Offered Post Early Retirement Until Age Maximum DefinedBenefitPlanMedicalInsuranceOfferedPostEarlyRetirementUntilAgeMaximum	P65Y
CY2019	sr	Implementation Period Used To Calculate Return On Plan Assets ImplementationPeriodUsedToCalculateReturnOnPlanAssets	P4Y
CY2019	sr	Implementation Period Used To Calculate Return On Plan Assets ImplementationPeriodUsedToCalculateReturnOnPlanAssets	P4Y
CY2019Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2018Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2019	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1859200000
CY2018	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1888000000.0
CY2017	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	1660000000.0
CY2019	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	93200000
CY2018	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	77000000.0
CY2017	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	80700000
CY2019	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1952400000
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CY2017	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1740700000
CY2019	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	698200000
CY2018	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	770100000
CY2017	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	570500000
CY2019	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	432300000
CY2018	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	441200000
CY2017	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	385800000
CY2019	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	179400000
CY2018	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	167000000.0
CY2017	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	153500000
CY2019	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	151700000
CY2018	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	152500000
CY2017	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	137800000
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CY2017	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	1247600000
CY2019	sr	Non Regulated Gas Marketing And Other Operating Expenses NonRegulatedGasMarketingAndOtherOperatingExpenses	188500000
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CY2017	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesBeforeTaxPortionAttributableToParent	11500000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	-900000
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CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax	400000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPortionAttributableToParent	900000
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	100000
CY2018	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	300000
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CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	21200000
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34500000
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CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	5300000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	400000
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	500000
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	400000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	178900000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	213700000
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CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50700000
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CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2500000
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CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	169000000.0
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CY2018Q3	sr	Other Investments Other Property OtherInvestmentsOtherProperty	68700000
CY2019Q3	sr	Other Property And Investments OtherPropertyAndInvestments	550100000
CY2018Q3	sr	Other Property And Investments OtherPropertyAndInvestments	243200000
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CY2019Q3	us-gaap	Assets Assets	7619200000
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CY2019Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	25.00
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CY2019Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	10000000.0
CY2019Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	10000000.0
CY2019Q3	us-gaap	Preferred Stock Value PreferredStockValue	242000000.0
CY2018Q3	us-gaap	Preferred Stock Value PreferredStockValue	0
CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	128900000
CY2019Q3	us-gaap	Other Assets Current OtherAssetsCurrent	10500000
CY2018Q3	us-gaap	Other Assets Current OtherAssetsCurrent	37400000
CY2018Q3	us-gaap	Assets Current AssetsCurrent	659600000
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000.0
CY2018Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000.0
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51000000.0
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	51000000.0
CY2018Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50700000
CY2018Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	50700000
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	51000000.0
CY2018Q3	us-gaap	Common Stock Value CommonStockValue	50700000
CY2019Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1505800000
CY2018Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1482700000
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	775500000
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	715600000
CY2019Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-31300000
CY2018Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	6400000
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2543000000.0
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	2255400000
CY2019Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	3400000
CY2018Q3	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	7900000
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2082600000
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1900100000
CY2019Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	4629000000.0
CY2018Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	4163400000
CY2019Q3	sr	Long Term Debt Current Maturities Excluding Notes Payable LongTermDebtCurrentMaturitiesExcludingNotesPayable	40000000.0
CY2018Q3	sr	Long Term Debt Current Maturities Excluding Notes Payable LongTermDebtCurrentMaturitiesExcludingNotesPayable	175500000
CY2019Q3	us-gaap	Notes Payable Current NotesPayableCurrent	743200000
CY2018Q3	us-gaap	Notes Payable Current NotesPayableCurrent	553600000
CY2019Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	301500000
CY2018Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	290100000
CY2019Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	32600000
CY2018Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	22700000
CY2019Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	45700000
CY2018Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	39700000
CY2019Q3	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	35600000
CY2018Q3	us-gaap	Contract With Customer Refund Liability Current ContractWithCustomerRefundLiabilityCurrent	35500000
CY2019Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	68500000
CY2018Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	65400000
CY2019Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	60800000
CY2018Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	35700000
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	140900000
CY2018Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	103500000
CY2019Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1468800000
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	1321700000
CY2019Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	451400000
CY2018Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	435800000
CY2019Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	264800000
CY2018Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	180200000
CY2019Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	337600000
CY2018Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	321100000
CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	399000000.0
CY2018Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	354600000
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	68600000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-37700000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	214200000
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	2543000000.0
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	66800000
CY2019Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1521400000
CY2018Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	1358500000
CY2019Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7619200000
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6843600000
CY2016Q3	us-gaap	Stockholders Equity StockholdersEquity	1768200000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	161600000
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	145500000
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8300000
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	100000
CY2017	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2200000
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	99200000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	7400000
CY2018	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	1600000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7700000
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2800000
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	112100000
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	2255400000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	184600000
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	14400000
CY2019	sr	Preferred Stock Value Issued PreferredStockValueIssued	242000000.0
CY2018	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	153000000.0
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	2.25
CY2017	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	154100000
CY2017Q3	us-gaap	Stockholders Equity StockholdersEquity	1991300000
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3400000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	161600000
CY2019	us-gaap	Preferred Stock Dividends Per Share Declared PreferredStockDividendsPerShareDeclared	0.344
CY2019Q3	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	29100000
CY2018Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	78600000
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	146900000
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-12400000
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	12800000
CY2017	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	40000000.0
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	2000000.0
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-3800000
CY2018	us-gaap	Payments To Acquire Business Two Net Of Cash Acquired PaymentsToAcquireBusinessTwoNetOfCashAcquired	28100000
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	242000000.0
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	189600000
CY2018	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	76300000
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt Maturing In Three Months Or Less ProceedsFromRepaymentsOfShortTermDebtMaturingInThreeMonthsOrLess	78600000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-433500000
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	420000000.0
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	393800000
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<p style="margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-family:Georgia;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">USE OF ESTIMATES <span style="font-weight:normal;">– 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.</span></p>
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	80600000
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	62100000
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	41000000.0
CY2018Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	321100000
CY2017Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	296600000
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	10800000
CY2018	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	5500000
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	8300000
CY2018	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	11200000
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	13000000.0
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	12700000
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	1000000.0
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	16900000
CY2019	sr	Asset Retirement Obligation Business Combinationsand Acquisitions Retirement Obligation AssetRetirementObligationBusinessCombinationsandAcquisitionsRetirementObligation	0
CY2018	sr	Asset Retirement Obligation Business Combinationsand Acquisitions Retirement Obligation AssetRetirementObligationBusinessCombinationsandAcquisitionsRetirementObligation	600000
CY2019Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	337600000
CY2018Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	321100000
CY2019	sr	Difference Between Replacement Cost Of Gas Storage And Inventory Basis Amount DifferenceBetweenReplacementCostOfGasStorageAndInventoryBasisAmount	17000000.0
CY2018	sr	Difference Between Replacement Cost Of Gas Storage And Inventory Basis Amount DifferenceBetweenReplacementCostOfGasStorageAndInventoryBasisAmount	14500000
CY2019Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	0
CY2019	sr	Numberof Monthsofthe Original Maturityof Debt Instruments Purchased NumberofMonthsoftheOriginalMaturityofDebtInstrumentsPurchased	P3M
CY2019Q3	us-gaap	Restricted Cash RestrictedCash	17000000.0
CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	22400000
CY2017Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	18300000
CY2016Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	20500000
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	16900000
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	14600000
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	10600000
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-16300000
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-10500000
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-12800000
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	23000000.0
CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	22400000
CY2017Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	18300000
CY2019Q3	us-gaap	Notes Receivable Net NotesReceivableNet	11700000
CY2018Q3	us-gaap	Notes Receivable Net NotesReceivableNet	13100000
CY2019	sr	Gross Receipts Tax Amounts Included Operating Revenues GrossReceiptsTaxAmountsIncludedOperatingRevenues	99300000
CY2018	sr	Gross Receipts Tax Amounts Included Operating Revenues GrossReceiptsTaxAmountsIncludedOperatingRevenues	98400000
CY2017	sr	Gross Receipts Tax Amounts Included Operating Revenues GrossReceiptsTaxAmountsIncludedOperatingRevenues	83100000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1000000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0288
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0176
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0139
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.170
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.160
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.163
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y10M24D
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P2Y9M18D
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019	sr	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Total Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTotalAmount	8600000
CY2018	sr	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Total Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTotalAmount	6900000
CY2017	sr	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Total Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTotalAmount	7400000
CY2019	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1400000
CY2018	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	1300000
CY2017	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	3300000
CY2019	sr	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Prior Period Disallowed Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsPriorPeriodDisallowedCapitalizedAmount	0
CY2018	sr	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Prior Period Disallowed Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsPriorPeriodDisallowedCapitalizedAmount	6900000
CY2017	sr	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Prior Period Disallowed Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsPriorPeriodDisallowedCapitalizedAmount	0
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7200000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	12500000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	4100000
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1700000
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	4000000.0
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1500000
CY2019	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	5500000
CY2018	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	8500000
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	2600000
CY2019Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	10900000
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y9M18D
CY2019	us-gaap	Net Income Loss NetIncomeLoss	184600000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	214200000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	161600000
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	5300000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	400000
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	500000
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	400000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	178900000
CY2019Q2	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	213700000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	161200000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50700000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49100000
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46900000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.53
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.35
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.44
CY2019	us-gaap	Net Income Loss NetIncomeLoss	184600000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	214200000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	161600000
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	5300000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	400000
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	500000
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	400000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	178900000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	213700000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	161200000
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49100000
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	46900000
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	100000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50800000
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49300000
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	47000000.0
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.52
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.33
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.43
CY2018Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2019Q2	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.0590
CY2019Q2	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.0590
CY2019	us-gaap	Preferred Stock Redemption Date PreferredStockRedemptionDate	2024-08-15
CY2019	us-gaap	Preferred Stock Voting Rights PreferredStockVotingRights	Shareholders of the Preferred Stock generally have no voting rights with respect to matters that generally require the approval of voting stockholders. The limited voting rights of holders of the Preferred Stock include the right to vote on certain matters that may affect the preference or special rights of the Preferred Stock. In addition, if and whenever dividends on any shares of Preferred Stock have not been declared and paid for at least six dividend periods, whether or not consecutive, the number of directors then constituting the Board shall automatically be increased by two (to be elected by the holders of the Preferred Stock) until all accumulated and unpaid dividends on the Preferred Stock have been paid in full.
CY2019Q3	sr	Number Of Shares Authorized For Issuance Under Dividend Reinvestment And Stock Purchase Program In Shares NumberOfSharesAuthorizedForIssuanceUnderDividendReinvestmentAndStockPurchaseProgramInShares	250000
CY2019Q3	sr	Number Of Shares Remaining And Available For Issuance Under Dividend Reinvestment And Stock Purchase Program In Shares NumberOfSharesRemainingAndAvailableForIssuanceUnderDividendReinvestmentAndStockPurchaseProgramInShares	158373
CY2019Q3	sr	Retained Earnings Dividend Restrictions Formula Component Fixed Amount RetainedEarningsDividendRestrictionsFormulaComponentFixedAmount	8000000.0
CY2019Q3	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	1182400000
CY2018Q3	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	1097600000
CY2019Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2137000000.0
CY2018Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2092000000.0
CY2019Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	14400000
CY2018Q3	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	16400000
CY2019Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	40000000.0
CY2018Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	175500000
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	2082600000
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1900100000
CY2019Q3	sr	Nonmonetary Notional Amount Of Natural Gas Derivative Contracts Not Designated As Normal Purchases Or Normal Sales NonmonetaryNotionalAmountOfNaturalGasDerivativeContractsNotDesignatedAsNormalPurchasesOrNormalSales	323400000
CY2019Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Next Twelve Months NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInNextTwelveMonths	245200000
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	40000000.0
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	55000000.0
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	150000000.0
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	330000000.0
CY2019Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	150000000.0
CY2019Q3	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2137000000.0
CY2019	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	6800000
CY2018	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	2600000
CY2017	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	800000
CY2019Q3	us-gaap	Long Term Debt LongTermDebt	975000000.0
CY2019Q3	us-gaap	Line Of Credit LineOfCredit	0
CY2018Q3	us-gaap	Line Of Credit LineOfCredit	0
CY2019Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Two NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearTwo	68500000
CY2019Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Three NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearThree	8700000
CY2019Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Four NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearFour	900000
CY2019Q3	sr	Notional Amount Of Non Exchange Traded Natural Gas Commodity Contracts To Be Settled In Year Five NotionalAmountOfNonExchangeTradedNaturalGasCommodityContractsToBeSettledInYearFive	100000
CY2019Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	24200000
CY2018Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	27400000
CY2018Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	21000000.0
CY2019Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	24200000
CY2018Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	27400000
CY2019Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	14300000
CY2018Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	6400000
CY2019Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	23700000
CY2018Q3	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	14800000
CY2019Q3	us-gaap	Derivative Assets DerivativeAssets	14800000
CY2018Q3	us-gaap	Derivative Assets DerivativeAssets	19000000.0
CY2019Q3	sr	Derivative Assets Other Current DerivativeAssetsOtherCurrent	4200000
CY2018Q3	sr	Derivative Assets Other Current DerivativeAssetsOtherCurrent	13300000
CY2019Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	10600000
CY2018Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	5700000
CY2019Q3	us-gaap	Derivative Assets DerivativeAssets	14800000
CY2018Q3	us-gaap	Derivative Assets DerivativeAssets	19000000.0
CY2019Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	78500000
CY2018Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	21000000.0
CY2019Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	23700000
CY2018Q3	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	14800000
CY2019Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	54800000
CY2018Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	6200000
CY2019Q3	sr	Derivative Liabilities Other Current DerivativeLiabilitiesOtherCurrent	50000000.0
CY2018Q3	sr	Derivative Liabilities Other Current DerivativeLiabilitiesOtherCurrent	6000000.0
CY2019Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	4800000
CY2018Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	200000
CY2019Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	54800000
CY2018Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	6200000
CY2019Q3	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	8100000
CY2018Q3	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	4100000
CY2019	sr	Number Of Subsegments With Potential To Affect Overall Exposure NumberOfSubsegmentsWithPotentialToAffectOverallExposure	3
CY2019Q3	sr	Number Of Counterparties For Which Credit Risk Is Disclosed NumberOfCounterpartiesForWhichCreditRiskIsDisclosed	5
CY2019Q3	sr	Number Of Counterparties Investment Grade Rated Or Owned By Investment Grade Rated Integrated Utilities NumberOfCounterpartiesInvestmentGradeRatedOrOwnedByInvestmentGradeRatedIntegratedUtilities	4
CY2017Q4	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2500000
CY2018Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	3900000
CY2019Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0
CY2018Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0
CY2019Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	0
CY2018Q3	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	0
CY2019	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
CY2019Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	751400000
CY2018Q3	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	664600000
CY2019Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	712900000
CY2018Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Accumulated Benefit Obligation DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation	636000000.0
CY2019Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	521800000
CY2018Q3	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	499200000
CY2019	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
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	13800000
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	12500000
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	11500000
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2019	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1952400000
CY2019	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1952400000
CY2019	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	698200000
CY2019	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	432300000
CY2019	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	179400000
CY2019	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	151700000
CY2019	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	1461600000
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit	-60100000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	161600000
CY2019	sr	Non Regulated Gas Marketing And Other Operating Expenses NonRegulatedGasMarketingAndOtherOperatingExpenses	188500000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	1650100000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	302300000
CY2019	sr	Net Economic Earnings NetEconomicEarnings	195100000
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	823300000
CY2018	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1965000000.0
CY2018	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1965000000.0
CY2018	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	770100000
CY2018	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	441200000
CY2018	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	167000000.0
CY2018	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	152500000
CY2018	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	1530800000
CY2018	sr	Non Regulated Gas Marketing And Other Operating Expenses NonRegulatedGasMarketingAndOtherOperatingExpenses	140100000
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	1670900000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	294100000
CY2018	sr	Net Economic Earnings NetEconomicEarnings	183700000
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	499400000
CY2017	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1740700000
CY2017	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1740700000
CY2017	us-gaap	Utilities Operating Expense Gas And Petroleum Purchased UtilitiesOperatingExpenseGasAndPetroleumPurchased	570500000
CY2017	us-gaap	Utilities Operating Expense Maintenance Operations And Other Costs And Expenses UtilitiesOperatingExpenseMaintenanceOperationsAndOtherCostsAndExpenses	385800000
CY2017	us-gaap	Utilities Operating Expense Depreciation And Amortization UtilitiesOperatingExpenseDepreciationAndAmortization	153500000
CY2017	us-gaap	Utilities Operating Expense Taxes UtilitiesOperatingExpenseTaxes	137800000
CY2017	us-gaap	Utilities Operating Expense UtilitiesOperatingExpense	1247600000
CY2017	sr	Non Regulated Gas Marketing And Other Operating Expenses NonRegulatedGasMarketingAndOtherOperatingExpenses	152200000
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	1399800000
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	340900000
CY2017	sr	Net Economic Earnings NetEconomicEarnings	167600000
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	438100000
CY2019Q3	us-gaap	Assets Assets	7619200000
CY2018Q3	us-gaap	Assets Assets	6843600000
CY2017Q3	us-gaap	Assets Assets	6546700000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	184600000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	214200000
CY2019	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	12200000
CY2018	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	0
CY2017	us-gaap	Loss Contingency Accrual Provision LossContingencyAccrualProvision	0
CY2019	sr	Public Utilities Approved Rate Increase Decrease Regulatory Costs PublicUtilitiesApprovedRateIncreaseDecreaseRegulatoryCosts	0
CY2018	sr	Public Utilities Approved Rate Increase Decrease Regulatory Costs PublicUtilitiesApprovedRateIncreaseDecreaseRegulatoryCosts	30600000
CY2017	sr	Public Utilities Approved Rate Increase Decrease Regulatory Costs PublicUtilitiesApprovedRateIncreaseDecreaseRegulatoryCosts	0
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1200000
CY2018	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	4000000.0
CY2017	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-6000000.0
CY2019	sr	Realized Gain Loss On Economic Hedges Prior To Sale Of Physical Commodity Net Of Tax RealizedGainLossOnEconomicHedgesPriorToSaleOfPhysicalCommodityNetOfTax	0
CY2018	sr	Realized Gain Loss On Economic Hedges Prior To Sale Of Physical Commodity Net Of Tax RealizedGainLossOnEconomicHedgesPriorToSaleOfPhysicalCommodityNetOfTax	300000
CY2017	sr	Realized Gain Loss On Economic Hedges Prior To Sale Of Physical Commodity Net Of Tax RealizedGainLossOnEconomicHedgesPriorToSaleOfPhysicalCommodityNetOfTax	300000
CY2019	sr	Acquisition Divestiture And Restructuring Activities AcquisitionDivestitureAndRestructuringActivities	400000
CY2018	sr	Acquisition Divestiture And Restructuring Activities AcquisitionDivestitureAndRestructuringActivities	13600000
CY2017	sr	Acquisition Divestiture And Restructuring Activities AcquisitionDivestitureAndRestructuringActivities	4000000.0
CY2019	sr	Net Economic Earnings Reconciliation Adjustments Income Tax Effect NetEconomicEarningsReconciliationAdjustmentsIncomeTaxEffect	-3300000
CY2018	sr	Net Economic Earnings Reconciliation Adjustments Income Tax Effect NetEconomicEarningsReconciliationAdjustmentsIncomeTaxEffect	-10300000
CY2017	sr	Net Economic Earnings Reconciliation Adjustments Income Tax Effect NetEconomicEarningsReconciliationAdjustmentsIncomeTaxEffect	-3700000
CY2019	us-gaap	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit	0
CY2019	sr	Net Economic Earnings NetEconomicEarnings	195100000
CY2018	sr	Net Economic Earnings NetEconomicEarnings	183700000
CY2017	sr	Net Economic Earnings NetEconomicEarnings	167600000
CY2019Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	78600000
CY2018Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	72800000
CY2019Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	767600000
CY2018Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	669800000
CY2019Q3	us-gaap	Regulatory Assets RegulatoryAssets	846200000
CY2018Q3	us-gaap	Regulatory Assets RegulatoryAssets	742600000
CY2019Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	60800000
CY2018Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	35700000
CY2019Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	399000000.0
CY2018Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	354600000
CY2019Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	459800000
CY2018Q3	us-gaap	Regulatory Liabilities RegulatoryLiabilities	390300000
CY2019Q3	us-gaap	Remaining Amounts Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	334200000
CY2018Q3	us-gaap	Remaining Amounts Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	259800000
CY2019	sr	Remaining Recovery Period Of Certain Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided RemainingRecoveryPeriodOfCertainRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided	P20Y
CY2019	us-gaap	Remaining Recovery Period Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided1 RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1	P15Y
CY2019Q3	sr	Customer Share CustomerShare	0.75
CY2019	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	1495000000.0
CY2019Q3	us-gaap	Mortgage Loans On Real Estate MortgageLoansOnRealEstate	1200000
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	10900000
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	10000000.0
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	9700000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8200000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	7000000.0
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	6800000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	6100000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4800000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	36500000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	69400000
CY2019	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	2100000
CY2018	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	2100000
CY2017	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	2100000
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	500000
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	58900000
CY2018Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	602000000.0
CY2019Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	803500000
CY2019Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	321300000
CY2019Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	225600000
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	105100000
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	209500000
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	13300000
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-25600000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	67300000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	154600000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-3000000.0
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	-34300000
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.05
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.75
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.32
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.04
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.74
CY2017Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	561800000
CY2018Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	813400000
CY2018Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	350600000
CY2018Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	239200000
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	104000000.0
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	150100000
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-18900000
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	116000000.0
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	98200000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	25900000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-25900000
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.40
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.03
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.51
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.39
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.03
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.51

Files In Submission

Name	View Source	Status
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0001564590-19-044464-index.html	Edgar Link	pending
0001564590-19-044464.txt	Edgar Link	pending
0001564590-19-044464-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gtil3yofh0sd000001.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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$SR
SPIRE INC Stock $sr

2018 Q3 Form 10-K Financial Statement

#000156459019044464 Filed on November 26, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SR SPIRE INC Stock $sr

2018 Q3 Form 10-K Financial Statement

#000156459019044464 Filed on November 26, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SR
SPIRE INC Stock $sr