$NFG
NATIONAL FUEL GAS CO

2021 Q1 Form 10-Q Financial Statement

#000007014521000012 Filed on May 07, 2021

View on sec.gov

Income Statement

Concept 2021 Q1 2020 Q1 2019 Q4
Revenue $551.1M $491.1M $444.2M
YoY Change 12.22% -11.12% -9.4%
Cost Of Revenue $106.7M $118.3M $92.27M
YoY Change -9.82% -39.36% -33.47%
Gross Profit $444.5M $372.8M $351.9M
YoY Change 19.21% 4.28% 0.12%
Gross Profit Margin 80.65% 75.92% 79.23%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $84.34M $77.91M $74.92M
YoY Change 8.25% 18.65% 16.59%
% of Gross Profit 18.98% 20.9% 21.29%
Operating Expenses $230.4M $219.6M $296.2M
YoY Change 4.92% -44.99% -9.86%
Operating Profit $214.0M -$24.58M $148.0M
YoY Change -970.79% -116.03% -8.45%
Interest Expense -$34.80M -$27.20M -$27.00M
YoY Change 27.94% 0.37% 1.89%
% of Operating Profit -16.26% -18.24%
Other Income/Expense, Net -$10.88M -$17.48M -$3.040M
YoY Change -37.79% 195.32% -68.34%
Pretax Income $152.6M -$69.22M $118.0M
YoY Change -320.52% -157.5% -6.04%
Income Tax $40.21M $36.85M $31.40M
% Of Pretax Income 26.34% 26.61%
Net Earnings $112.4M -$106.1M $86.59M
YoY Change -206.0% -217.08% -15.65%
Net Earnings / Revenue 20.4% -21.6% 19.49%
Basic Earnings Per Share $1.23 -$1.23 $1.00
Diluted Earnings Per Share $1.23 -$1.23 $1.00
COMMON SHARES
Basic Shares Outstanding 91.16M shares 86.56M shares 86.38M shares
Diluted Shares Outstanding 91.65M shares 86.56M shares 86.88M shares

Balance Sheet

Concept 2021 Q1 2020 Q1 2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments $80.50M $111.7M $35.00M
YoY Change -27.93% 11.03% -68.12%
Cash & Equivalents $80.47M $111.7M $34.97M
Short-Term Investments
Other Short-Term Assets $56.12M $100.2M $96.83M
YoY Change -43.99% 73.98% 39.89%
Inventory $58.00M $57.00M $70.40M
Prepaid Expenses
Receivables $229.5M $172.0M $158.9M
Other Receivables $0.00 $45.90M $48.00M
Total Short-Term Assets $457.2M $496.3M $430.7M
YoY Change -7.88% -1.98% -17.62%
LONG-TERM ASSETS
Property, Plant & Equipment $6.076B $5.556B $5.646B
YoY Change 9.36% 6.52% 11.07%
Goodwill $5.476M $5.476M $5.476M
YoY Change 0.0% 0.0% 0.0%
Intangibles
YoY Change
Long-Term Investments $147.4M $137.0M $141.2M
YoY Change 7.59% 1.48% 8.87%
Other Assets $0.00 $81.00K $21.35M
YoY Change -100.0% -99.81% -49.39%
Total Long-Term Assets $6.658B $6.212B $625.7M
YoY Change 7.18% 1015.72% 7.8%
TOTAL ASSETS
Total Short-Term Assets $457.2M $496.3M $430.7M
Total Long-Term Assets $6.658B $6.212B $625.7M
Total Assets $7.116B $6.709B $6.703B
YoY Change 6.07% 6.84% 8.34%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $107.3M $106.9M $127.0M
YoY Change 0.34% -24.61% -0.74%
Accrued Expenses $176.9M $150.2M $173.6M
YoY Change 17.77% -23.27% -9.19%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $230.0M $139.8M
YoY Change -100.0%
Long-Term Debt Due $0.00 $0.00 $0.00
YoY Change
Total Short-Term Liabilities $403.0M $583.8M $546.5M
YoY Change -30.98% 34.83% 30.4%
LONG-TERM LIABILITIES
Long-Term Debt $2.627B $2.135B $2.134B
YoY Change 23.05% 0.12% 0.12%
Other Long-Term Liabilities $1.223B $1.133B $1.131B
YoY Change 8.0% 12.8% 14.15%
Total Long-Term Liabilities $1.987B $1.910B $1.840B
YoY Change 4.02% 17.68% 15.78%
TOTAL LIABILITIES
Total Short-Term Liabilities $403.0M $583.8M $546.5M
Total Long-Term Liabilities $1.987B $1.910B $1.840B
Total Liabilities $2.390B $2.494B $2.386B
YoY Change -4.17% 21.29% 18.83%
SHAREHOLDERS EQUITY
Retained Earnings $1.101B $1.177B $1.321B
YoY Change -6.47% -4.83% 12.65%
Common Stock $91.16M $86.56M $86.55M
YoY Change 5.32% 0.3% 0.33%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $2.099B $2.080B $2.182B
YoY Change
Total Liabilities & Shareholders Equity $7.116B $6.709B $6.703B
YoY Change 6.07% 6.84% 8.34%

Cashflow Statement

Concept 2021 Q1 2020 Q1 2019 Q4
OPERATING ACTIVITIES
Net Income $112.4M -$106.1M $86.59M
YoY Change -206.0% -217.08% -15.65%
Depreciation, Depletion And Amortization $84.34M $77.91M $74.92M
YoY Change 8.25% 18.65% 16.59%
Cash From Operating Activities $212.4M $223.3M $167.7M
YoY Change -4.88% -5.54% 60.72%
INVESTING ACTIVITIES
Capital Expenditures -$155.6M -$197.0M $198.5M
YoY Change -21.02% -5.74% 11.79%
Acquisitions
YoY Change
Other Investing Activities $300.0K -$1.000M -$5.212M
YoY Change -130.0% 900.0% -304.47%
Cash From Investing Activities -$155.3M -$198.0M -$193.3M
YoY Change -21.57% -5.31% 7.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -86.00M 52.60M $42.91M
YoY Change -263.5% -241.02% -195.85%
NET CHANGE
Cash From Operating Activities 212.4M 223.3M $167.7M
Cash From Investing Activities -155.3M -198.0M -$193.3M
Cash From Financing Activities -86.00M 52.60M $42.91M
Net Change In Cash -28.90M 77.90M $17.37M
YoY Change -137.1% -879.0% -114.42%
FREE CASH FLOW
Cash From Operating Activities $212.4M $223.3M $167.7M
Capital Expenditures -$155.6M -$197.0M $198.5M
Free Cash Flow $368.0M $420.3M -$30.75M
YoY Change -12.44% -5.64% -57.99%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
dei Entity Central Index Key
EntityCentralIndexKey
0000070145
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--09-30
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2021
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q2
dei Amendment Flag
AmendmentFlag
false
CY2021Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P0Y6M
CY2021Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P1Y
dei Local Phone Number
LocalPhoneNumber
857-7000
CY2021Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P1Y
CY2021Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P1Y
CY2021Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P1Y
CY2021Q1 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
dei Document Type
DocumentType
10-Q
dei Document Quarterly Report
DocumentQuarterlyReport
true
dei Document Period End Date
DocumentPeriodEndDate
2021-03-31
dei Document Transition Report
DocumentTransitionReport
false
dei Entity File Number
EntityFileNumber
1-3880
dei Entity Registrant Name
EntityRegistrantName
NATIONAL FUEL GAS COMPANY
dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
NJ
dei Entity Tax Identification Number
EntityTaxIdentificationNumber
13-1086010
dei Entity Address Address Line1
EntityAddressAddressLine1
6363 Main Street
dei Entity Address City Or Town
EntityAddressCityOrTown
Williamsville,
dei Entity Address State Or Province
EntityAddressStateOrProvince
NY
dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
14221
dei City Area Code
CityAreaCode
716
dei Entity Shell Company
EntityShellCompany
false
CY2020Q1 us-gaap Revenues
Revenues
491095000 USD
us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
158280000 USD
dei Security12b Title
Security12bTitle
Common Stock, par value $1.00 per share
dei Trading Symbol
TradingSymbol
NFG
dei Security Exchange Name
SecurityExchangeName
NYSE
dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
dei Entity Small Business
EntitySmallBusiness
false
dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
dei Entity Listing Par Value Per Share
EntityListingParValuePerShare
1.00
CY2021Q2 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
91172701 shares
CY2021Q1 us-gaap Revenues
Revenues
551115000 USD
us-gaap Revenues
Revenues
992275000 USD
us-gaap Revenues
Revenues
935283000 USD
CY2021Q1 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
106661000 USD
CY2020Q1 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
118270000 USD
us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
210542000 USD
CY2021Q1 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
23987000 USD
CY2020Q1 us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
22743000 USD
us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
46768000 USD
us-gaap Taxes Excluding Income And Excise Taxes
TaxesExcludingIncomeAndExciseTaxes
45887000 USD
CY2021Q1 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
84342000 USD
CY2020Q1 us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
77912000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
167462000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
152830000 USD
CY2021Q1 nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
0 USD
CY2020Q1 nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
177761000 USD
nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
76152000 USD
nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
177761000 USD
CY2021Q1 us-gaap Costs And Expenses
CostsAndExpenses
337076000 USD
CY2020Q1 us-gaap Costs And Expenses
CostsAndExpenses
515675000 USD
us-gaap Costs And Expenses
CostsAndExpenses
685759000 USD
us-gaap Costs And Expenses
CostsAndExpenses
811843000 USD
CY2021Q1 us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
0 USD
CY2020Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
-24580000 USD
us-gaap Operating Income Loss
OperatingIncomeLoss
357582000 USD
us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
0 USD
CY2021Q1 us-gaap Operating Income Loss
OperatingIncomeLoss
214039000 USD
CY2020Q1 us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
0 USD
us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
51066000 USD
us-gaap Operating Income Loss
OperatingIncomeLoss
123440000 USD
CY2021Q1 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-10875000 USD
CY2020Q1 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-17480000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-13051000 USD
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-20520000 USD
CY2021Q1 us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
48820000 USD
CY2020Q1 us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
25270000 USD
us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
81076000 USD
us-gaap Interest Expense Long Term Debt
InterestExpenseLongTermDebt
50713000 USD
CY2021Q1 us-gaap Interest Expense Other
InterestExpenseOther
1698000 USD
CY2020Q1 us-gaap Interest Expense Other
InterestExpenseOther
1892000 USD
us-gaap Interest Expense Other
InterestExpenseOther
3618000 USD
us-gaap Interest Expense Other
InterestExpenseOther
3443000 USD
CY2021Q1 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
152646000 USD
CY2020Q1 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
-69222000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
259837000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
48764000 USD
CY2021Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
40210000 USD
CY2020Q1 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
36846000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
69627000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
68241000 USD
CY2021Q1 us-gaap Net Income Loss
NetIncomeLoss
112436000 USD
CY2020Q1 us-gaap Net Income Loss
NetIncomeLoss
-106068000 USD
us-gaap Net Income Loss
NetIncomeLoss
190210000 USD
us-gaap Net Income Loss
NetIncomeLoss
-19477000 USD
CY2020Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1028844000 USD
CY2019Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1320592000 USD
CY2020Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
991630000 USD
CY2019Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1272601000 USD
CY2021Q1 nfg Beginning Retained Earnings Unappropriated And Current Period Net Income Loss
BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss
1141280000 USD
CY2020Q1 nfg Beginning Retained Earnings Unappropriated And Current Period Net Income Loss
BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss
1214524000 USD
nfg Beginning Retained Earnings Unappropriated And Current Period Net Income Loss
BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss
1181840000 USD
nfg Beginning Retained Earnings Unappropriated And Current Period Net Income Loss
BeginningRetainedEarningsUnappropriatedAndCurrentPeriodNetIncomeLoss
1253124000 USD
CY2021Q1 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
40562000 USD
CY2020Q1 us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
37654000 USD
us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
81122000 USD
us-gaap Dividends Common Stock Cash
DividendsCommonStockCash
75304000 USD
CY2021Q1 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1100718000 USD
CY2020Q1 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1176870000 USD
CY2021Q1 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1100718000 USD
CY2020Q1 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1176870000 USD
CY2021Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.23
CY2020Q1 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-1.23
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.09
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.23
CY2021Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.23
CY2020Q1 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-1.23
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.08
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.23
CY2021Q1 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
91163291 shares
CY2020Q1 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
86561066 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
91084620 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
86469258 shares
CY2021Q1 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
91645679 shares
CY2020Q1 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
86561066 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
91581918 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
86469258 shares
CY2021Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.445
CY2020Q1 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.435
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.890
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.870
CY2021Q1 us-gaap Net Income Loss
NetIncomeLoss
112436000 USD
CY2020Q1 us-gaap Net Income Loss
NetIncomeLoss
-106068000 USD
us-gaap Net Income Loss
NetIncomeLoss
190210000 USD
us-gaap Net Income Loss
NetIncomeLoss
-19477000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
-34373000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
76304000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
13648000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
76799000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-3666000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
25034000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-3977000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
32386000 USD
CY2021Q1 nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedging
0 USD
CY2020Q1 nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedging
0 USD
nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedging
0 USD
nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedging
1313000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
-30707000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
51270000 USD
us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
17625000 USD
us-gaap Other Comprehensive Income Loss Before Tax
OtherComprehensiveIncomeLossBeforeTax
45726000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
-9470000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
20854000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
3760000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
20974000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-1010000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
6817000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
-1096000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
8849000 USD
CY2021Q1 nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging Tax
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedgingTax
0 USD
CY2020Q1 nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging Tax
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedgingTax
0 USD
nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging Tax
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedgingTax
0 USD
nfg Other Comprehensive Income Loss Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging Tax
OtherComprehensiveIncomeLossCumulativeEffectofAdoptionofAuthoritativeGuidanceforHedgingTax
363000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
-8460000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
14037000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
12769000 USD
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
4856000 USD
us-gaap Other Comprehensive Income Loss Tax
OtherComprehensiveIncomeLossTax
12488000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-22247000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
37233000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
33238000 USD
CY2021Q1 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
90189000 USD
CY2020Q1 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-68835000 USD
us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
202979000 USD
us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
13761000 USD
CY2021Q1 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
12648604000 USD
CY2020Q3 us-gaap Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
12351852000 USD
CY2021Q1 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
6572534000 USD
CY2020Q3 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
6353785000 USD
CY2021Q1 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
6076070000 USD
CY2020Q3 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
5998067000 USD
CY2021Q1 us-gaap Assets Held For Sale Not Part Of Disposal Group
AssetsHeldForSaleNotPartOfDisposalGroup
0 USD
CY2020Q3 us-gaap Assets Held For Sale Not Part Of Disposal Group
AssetsHeldForSaleNotPartOfDisposalGroup
53424000 USD
CY2021Q1 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
80467000 USD
CY2021Q1 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
80467000 USD
CY2020Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
20541000 USD
CY2020Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
20541000 USD
CY2021Q1 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
30128000 USD
CY2020Q3 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
22810000 USD
CY2021Q1 us-gaap Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
229479000 USD
CY2020Q3 us-gaap Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
143583000 USD
CY2021Q1 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
32685000 USD
CY2020Q3 us-gaap Unbilled Receivables Current
UnbilledReceivablesCurrent
17302000 USD
CY2021Q1 us-gaap Energy Related Inventory Gas Stored Underground
EnergyRelatedInventoryGasStoredUnderground
5745000 USD
CY2020Q3 us-gaap Energy Related Inventory Gas Stored Underground
EnergyRelatedInventoryGasStoredUnderground
33338000 USD
CY2021Q1 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
52212000 USD
CY2020Q3 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
51877000 USD
CY2021Q1 us-gaap Unrecovered Costs For Purchased Gas Amount
UnrecoveredCostsForPurchasedGasAmount
479000 USD
CY2020Q3 us-gaap Unrecovered Costs For Purchased Gas Amount
UnrecoveredCostsForPurchasedGasAmount
0 USD
CY2021Q1 us-gaap Other Assets Current
OtherAssetsCurrent
56117000 USD
CY2020Q3 us-gaap Other Assets Current
OtherAssetsCurrent
47557000 USD
CY2021Q1 us-gaap Assets Current
AssetsCurrent
457184000 USD
CY2020Q3 us-gaap Assets Current
AssetsCurrent
314198000 USD
CY2021Q1 nfg Recoverable Future Taxes
RecoverableFutureTaxes
117300000 USD
CY2020Q3 nfg Recoverable Future Taxes
RecoverableFutureTaxes
118310000 USD
CY2021Q1 us-gaap Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
11443000 USD
CY2020Q3 us-gaap Unamortized Loss Reacquired Debt Noncurrent
UnamortizedLossReacquiredDebtNoncurrent
12297000 USD
CY2021Q1 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
147099000 USD
CY2020Q3 us-gaap Regulatory Assets Noncurrent
RegulatoryAssetsNoncurrent
156106000 USD
CY2021Q1 us-gaap Deferred Costs
DeferredCosts
60454000 USD
CY2020Q3 us-gaap Deferred Costs
DeferredCosts
67131000 USD
CY2021Q1 us-gaap Other Investments
OtherInvestments
147421000 USD
CY2020Q3 us-gaap Other Investments
OtherInvestments
154502000 USD
CY2021Q1 us-gaap Goodwill
Goodwill
5476000 USD
CY2020Q3 us-gaap Goodwill
Goodwill
5476000 USD
CY2021Q1 us-gaap Defined Benefit Plan Assets For Plan Benefits Noncurrent
DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
89101000 USD
CY2020Q3 us-gaap Defined Benefit Plan Assets For Plan Benefits Noncurrent
DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent
76035000 USD
CY2021Q1 us-gaap Derivative Instruments And Hedges Noncurrent
DerivativeInstrumentsAndHedgesNoncurrent
4104000 USD
CY2020Q3 us-gaap Derivative Instruments And Hedges Noncurrent
DerivativeInstrumentsAndHedgesNoncurrent
9308000 USD
CY2021Q1 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
0 USD
CY2020Q3 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
81000 USD
CY2021Q1 nfg Total Other Assets
TotalOtherAssets
582398000 USD
CY2020Q3 nfg Total Other Assets
TotalOtherAssets
599246000 USD
CY2021Q1 us-gaap Assets
Assets
7115652000 USD
CY2020Q3 us-gaap Assets
Assets
6964935000 USD
CY2020Q3 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1
CY2021Q1 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
1
CY2020Q3 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
200000000 shares
CY2021Q1 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
200000000 shares
CY2021Q1 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
91163797 shares
CY2021Q1 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
91163797 shares
CY2020Q3 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
90954696 shares
CY2020Q3 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
90954696 shares
CY2021Q1 us-gaap Common Stock Value
CommonStockValue
91164000 USD
CY2020Q3 us-gaap Common Stock Value
CommonStockValue
90955000 USD
CY2021Q1 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
1009075000 USD
CY2020Q3 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
1004158000 USD
CY2021Q1 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
1100718000 USD
CY2020Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
991630000 USD
CY2021Q1 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-101988000 USD
CY2020Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-114757000 USD
CY2021Q1 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
2098969000 USD
CY2020Q3 us-gaap Stockholders Equity Including Portion Attributable To Noncontrolling Interest
StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
1971986000 USD
CY2021Q1 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2627033000 USD
CY2020Q3 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2629576000 USD
CY2021Q1 us-gaap Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
4726002000 USD
CY2020Q3 us-gaap Capitalization Longterm Debt And Equity
CapitalizationLongtermDebtAndEquity
4601562000 USD
CY2021Q1 us-gaap Short Term Borrowings
ShortTermBorrowings
0 USD
CY2020Q3 us-gaap Short Term Borrowings
ShortTermBorrowings
30000000 USD
CY2021Q1 us-gaap Accounts Payable Current
AccountsPayableCurrent
107305000 USD
CY2020Q3 us-gaap Accounts Payable Current
AccountsPayableCurrent
134126000 USD
CY2021Q1 us-gaap Refundable Gas Costs
RefundableGasCosts
19768000 USD
CY2020Q3 us-gaap Refundable Gas Costs
RefundableGasCosts
10788000 USD
CY2021Q1 us-gaap Dividends Payable Current
DividendsPayableCurrent
40562000 USD
CY2020Q3 us-gaap Dividends Payable Current
DividendsPayableCurrent
40475000 USD
CY2021Q1 nfg Interest Payable On Long Term Debt
InterestPayableOnLongTermDebt
17663000 USD
CY2020Q3 nfg Interest Payable On Long Term Debt
InterestPayableOnLongTermDebt
27521000 USD
CY2021Q1 nfg Customer Advances
CustomerAdvances
0 USD
CY2020Q3 nfg Customer Advances
CustomerAdvances
15319000 USD
CY2021Q1 us-gaap Security Deposit Liability
SecurityDepositLiability
19503000 USD
CY2020Q3 us-gaap Security Deposit Liability
SecurityDepositLiability
17199000 USD
CY2021Q1 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
177685000 USD
CY2021Q1 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
176940000 USD
CY2020Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
140176000 USD
CY2021Q1 us-gaap Derivative Instruments And Hedges Liabilities
DerivativeInstrumentsAndHedgesLiabilities
21231000 USD
CY2020Q3 us-gaap Derivative Instruments And Hedges Liabilities
DerivativeInstrumentsAndHedgesLiabilities
43969000 USD
CY2021Q1 us-gaap Liabilities Current
LiabilitiesCurrent
402972000 USD
CY2020Q3 us-gaap Liabilities Current
LiabilitiesCurrent
459573000 USD
CY2021Q1 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
763441000 USD
CY2020Q3 us-gaap Deferred Income Tax Liabilities Net
DeferredIncomeTaxLiabilitiesNet
696054000 USD
CY2021Q1 nfg Taxes Refundable To Customers
TaxesRefundableToCustomers
355375000 USD
CY2020Q3 nfg Taxes Refundable To Customers
TaxesRefundableToCustomers
357508000 USD
CY2021Q1 nfg Cost Of Removal Regulatory Liability
CostOfRemovalRegulatoryLiability
237867000 USD
CY2020Q3 nfg Cost Of Removal Regulatory Liability
CostOfRemovalRegulatoryLiability
230079000 USD
CY2020Q3 us-gaap Regulatory Liability Noncurrent
RegulatoryLiabilityNoncurrent
161573000 USD
CY2021Q1 us-gaap Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent
118804000 USD
CY2020Q3 us-gaap Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent
PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent
127181000 USD
CY2021Q1 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
192127000 USD
CY2020Q3 us-gaap Asset Retirement Obligations Noncurrent
AssetRetirementObligationsNoncurrent
192228000 USD
CY2021Q1 us-gaap Deferred Credits And Other Liabilities Noncurrent
DeferredCreditsAndOtherLiabilitiesNoncurrent
141379000 USD
CY2020Q3 us-gaap Deferred Credits And Other Liabilities Noncurrent
DeferredCreditsAndOtherLiabilitiesNoncurrent
139177000 USD
CY2021Q1 us-gaap Liabilities Noncurrent
LiabilitiesNoncurrent
1986678000 USD
CY2020Q3 us-gaap Liabilities Noncurrent
LiabilitiesNoncurrent
1903800000 USD
CY2021Q1 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
0 USD
CY2020Q3 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
0 USD
CY2021Q1 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
7115652000 USD
CY2020Q3 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
6964935000 USD
us-gaap Net Income Loss
NetIncomeLoss
190210000 USD
us-gaap Net Income Loss
NetIncomeLoss
-19477000 USD
us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
51066000 USD
us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
0 USD
nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
76152000 USD
nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
177761000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
167462000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
152830000 USD
us-gaap Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
61408000 USD
us-gaap Deferred Income Taxes And Tax Credits
DeferredIncomeTaxesAndTaxCredits
104883000 USD
us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
-15715000 USD
us-gaap Gains Losses On Extinguishment Of Debt
GainsLossesOnExtinguishmentOfDebt
0 USD
us-gaap Share Based Compensation
ShareBasedCompensation
8657000 USD
us-gaap Share Based Compensation
ShareBasedCompensation
7580000 USD
us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-6742000 USD
us-gaap Other Noncash Income Expense
OtherNoncashIncomeExpense
-9800000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
101159000 USD
us-gaap Increase Decrease In Receivables
IncreaseDecreaseInReceivables
58248000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-27258000 USD
us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-20086000 USD
us-gaap Increase Decrease In Deferred Gas Cost
IncreaseDecreaseInDeferredGasCost
479000 USD
us-gaap Increase Decrease In Deferred Gas Cost
IncreaseDecreaseInDeferredGasCost
-2246000 USD
us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
8447000 USD
us-gaap Increase Decrease In Other Current Assets
IncreaseDecreaseInOtherCurrentAssets
3134000 USD
us-gaap Increase Decrease In Accounts Payable Trade
IncreaseDecreaseInAccountsPayableTrade
8613000 USD
us-gaap Increase Decrease In Accounts Payable Trade
IncreaseDecreaseInAccountsPayableTrade
-5465000 USD
us-gaap Increase Decrease In Regulatory Clause Revenue
IncreaseDecreaseInRegulatoryClauseRevenue
8980000 USD
us-gaap Increase Decrease In Regulatory Clause Revenue
IncreaseDecreaseInRegulatoryClauseRevenue
13196000 USD
nfg Increase Decrease In Customer Advances Current
IncreaseDecreaseInCustomerAdvancesCurrent
-15319000 USD
nfg Increase Decrease In Customer Advances Current
IncreaseDecreaseInCustomerAdvancesCurrent
-12429000 USD
us-gaap Increase Decrease In Security Deposits
IncreaseDecreaseInSecurityDeposits
2304000 USD
us-gaap Increase Decrease In Security Deposits
IncreaseDecreaseInSecurityDeposits
-1211000 USD
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
9058000 USD
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
9076000 USD
us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
-11039000 USD
us-gaap Increase Decrease In Other Noncurrent Assets
IncreaseDecreaseInOtherNoncurrentAssets
10359000 USD
us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
5000 USD
us-gaap Increase Decrease In Other Operating Liabilities
IncreaseDecreaseInOtherOperatingLiabilities
3857000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
417133000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
390992000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
338867000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
395486000 USD
nfg Net Proceeds From Sale Of Timber Properties
NetProceedsFromSaleOfTimberProperties
104582000 USD
nfg Net Proceeds From Sale Of Timber Properties
NetProceedsFromSaleOfTimberProperties
0 USD
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-12095000 USD
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-4167000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-222190000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-391319000 USD
us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
-30000000 USD
us-gaap Proceeds From Repayments Of Short Term Debt
ProceedsFromRepaymentsOfShortTermDebt
174800000 USD
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
495267000 USD
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
0 USD
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
515715000 USD
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
0 USD
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
81035000 USD
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
75197000 USD
us-gaap Payments For Repurchase Of Equity
PaymentsForRepurchaseOfEquity
3534000 USD
us-gaap Payments For Repurchase Of Equity
PaymentsForRepurchaseOfEquity
4153000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-135017000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
95450000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
59926000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
95123000 USD
CY2020Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
20541000 USD
CY2019Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
27260000 USD
CY2021Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
80467000 USD
CY2020Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
122383000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
68073000 USD
us-gaap Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
59490000 USD
CY2021Q1 us-gaap Margin Deposit Assets
MarginDepositAssets
0 USD
CY2019Q3 us-gaap Margin Deposit Assets
MarginDepositAssets
6832000 USD
CY2020Q1 us-gaap Margin Deposit Assets
MarginDepositAssets
10728000 USD
CY2020Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
20541000 USD
CY2021Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
80467000 USD
CY2019Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
27260000 USD
CY2020Q1 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
122383000 USD
CY2020Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
20541000 USD
CY2020Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
20541000 USD
CY2021Q1 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
80467000 USD
CY2021Q1 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
80467000 USD
CY2019Q3 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
20428000 USD
CY2020Q1 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
111655000 USD
CY2020Q3 us-gaap Margin Deposit Assets
MarginDepositAssets
0 USD
CY2020Q3 us-gaap Margin Deposit Assets
MarginDepositAssets
0 USD
CY2021Q1 us-gaap Margin Deposit Assets
MarginDepositAssets
0 USD
CY2020Q3 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
22810 USD
us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
11074 USD
us-gaap Accounts Receivable Purchase
AccountsReceivablePurchase
737 USD
us-gaap Allowance For Doubtful Accounts Receivable Write Offs
AllowanceForDoubtfulAccountsReceivableWriteOffs
4493 USD
CY2021Q1 us-gaap Allowance For Doubtful Accounts Receivable
AllowanceForDoubtfulAccountsReceivable
30128 USD
CY2021Q1 nfg Emission Allowances
EmissionAllowances
18680000 USD
CY2020Q3 nfg Emission Allowances
EmissionAllowances
18018000 USD
CY2020Q3 us-gaap Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
1800000000 USD
CY2021Q1 nfg Materials And Supplies At Average Cost
MaterialsAndSuppliesAtAverageCost
33532000 USD
CY2020Q3 nfg Materials And Supplies At Average Cost
MaterialsAndSuppliesAtAverageCost
33859000 USD
CY2021Q1 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
52212000 USD
CY2020Q3 us-gaap Inventory Raw Materials And Supplies
InventoryRawMaterialsAndSupplies
51877000 USD
CY2021Q1 us-gaap Capitalized Costs Oil And Gas Producing Activities Net
CapitalizedCostsOilAndGasProducingActivitiesNet
1800000000 USD
us-gaap Capitalized Costs Of Unproved Properties Excluded From Amortization
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
149200000 USD
CY2020 us-gaap Capitalized Costs Of Unproved Properties Excluded From Amortization
CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization
148100000 USD
CY2021Q1 nfg Full Cost Ceiling Test Discount Factor
FullCostCeilingTestDiscountFactor
0.10
CY2021Q1 nfg Full Cost Ceiling Exceeds Book Value Of Oil And Gas Properties
FullCostCeilingExceedsBookValueOfOilAndGasProperties
145400000 USD
CY2020Q4 nfg Impairmentof Oiland Gas Producing Properties
ImpairmentofOilandGasProducingProperties
76200000 USD
CY2021Q1 us-gaap Effect On Future Cash Flows Amount
EffectOnFutureCashFlowsAmount
127900000 USD
CY2020Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-79741000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
-24903000 USD
CY2021Q1 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-2656000 USD
CY2021Q1 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-101988000 USD
CY2020Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-114757000 USD
us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
9888000 USD
us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
-2881000 USD
CY2021Q1 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-101988000 USD
CY2019Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-56150000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
55450000 USD
CY2020Q1 us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
18217000 USD
CY2020Q1 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-18917000 USD
CY2019Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-52155000 USD
us-gaap Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
55825000 USD
us-gaap Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
23537000 USD
nfg Cumulative Effectof Adoptionof Authoritative Guidancefor Hedging
CumulativeEffectofAdoptionofAuthoritativeGuidanceforHedging
950000 USD
CY2020Q1 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-18917000 USD
CY2021Q1 us-gaap Other Prepaid Expense Current
OtherPrepaidExpenseCurrent
7692000 USD
CY2020Q3 us-gaap Other Prepaid Expense Current
OtherPrepaidExpenseCurrent
12851000 USD
CY2021Q1 us-gaap Prepaid Taxes
PrepaidTaxes
23373000 USD
CY2020Q3 us-gaap Prepaid Taxes
PrepaidTaxes
14269000 USD
CY2021Q1 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
25052000 USD
CY2020Q3 us-gaap Regulatory Assets Current
RegulatoryAssetsCurrent
16609000 USD
CY2021Q1 us-gaap Other Assets Current
OtherAssetsCurrent
56117000 USD
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
334945 shares
CY2020Q3 us-gaap Other Assets Current
OtherAssetsCurrent
47557000 USD
CY2021Q1 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
34832000 USD
CY2020Q3 us-gaap Regulatory Liability Current
RegulatoryLiabilityCurrent
44890000 USD
CY2021Q1 nfg Liabilityfor Royaltyand Working Interest Current
LiabilityforRoyaltyandWorkingInterestCurrent
22475000 USD
CY2020Q3 nfg Liabilityfor Royaltyand Working Interest Current
LiabilityforRoyaltyandWorkingInterestCurrent
15665000 USD
CY2021Q1 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
176940000 USD
CY2020Q3 us-gaap Accrued Liabilities Current
AccruedLiabilitiesCurrent
140176000 USD
CY2021Q1 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
334945 shares
CY2020Q1 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
310015 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
406748 shares
nfg Net Proceeds From Sale Of Timber Properties
NetProceedsFromSaleOfTimberProperties
104600000 USD
CY2020Q3 us-gaap Assets Held For Sale Not Part Of Disposal Group
AssetsHeldForSaleNotPartOfDisposalGroup
53400000 USD
us-gaap Gain Loss On Sale Of Timber Property
GainLossOnSaleOfTimberProperty
51100000 USD
CY2020Q3 nfg Asset Acquisition Consideration Transferred
AssetAcquisitionConsiderationTransferred
506300000 USD
CY2021Q1 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
94600000 USD
CY2021Q1 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
179700000 USD
CY2021Q1 us-gaap Long Term Debt
LongTermDebt
2627033000 USD
CY2021Q1 us-gaap Debt Instrument Fair Value
DebtInstrumentFairValue
2869081000 USD
CY2021Q1 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
144500000 USD
CY2021Q1 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
124300000 USD
CY2021Q1 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
117000000.0 USD
CY2021Q1 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
517500000 USD
CY2021Q1 us-gaap Cash And Cash Equivalents Fair Value Disclosure
CashAndCashEquivalentsFairValueDisclosure
66759000 USD
CY2021Q1 nfg Fair Value Assets Measured On Recurring Basis Total
FairValueAssetsMeasuredOnRecurringBasisTotal
174977000 USD
CY2021Q1 nfg Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
21231000 USD
CY2021Q1 nfg Fair Value Assets Liabilities Measured On Recurring Basis Net
FairValueAssetsLiabilitiesMeasuredOnRecurringBasisNet
153746000 USD
CY2020Q3 us-gaap Cash And Cash Equivalents Fair Value Disclosure
CashAndCashEquivalentsFairValueDisclosure
12285000 USD
CY2020Q3 nfg Fair Value Assets Measured On Recurring Basis Total
FairValueAssetsMeasuredOnRecurringBasisTotal
134014000 USD
CY2020Q3 nfg Fair Value Liabilities Measured On Recurring Basis Total
FairValueLiabilitiesMeasuredOnRecurringBasisTotal
43969000 USD
CY2020Q3 nfg Fair Value Assets Liabilities Measured On Recurring Basis Net
FairValueAssetsLiabilitiesMeasuredOnRecurringBasisNet
90045000 USD
CY2020Q3 us-gaap Long Term Debt
LongTermDebt
2629576000 USD
CY2020Q3 us-gaap Debt Instrument Fair Value
DebtInstrumentFairValue
2778556000 USD
CY2021Q1 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
43307000 USD
CY2020Q3 us-gaap Cash Surrender Value Of Life Insurance
CashSurrenderValueOfLifeInsurance
41992000 USD
CY2021Q1 us-gaap Other Investments
OtherInvestments
147421000 USD
CY2020Q3 us-gaap Other Investments
OtherInvestments
154502000 USD
us-gaap Maximum Remaining Maturity Of Foreign Currency Derivatives1
MaximumRemainingMaturityOfForeignCurrencyDerivatives1
P10Y
CY2021Q1 nfg Net Hedging Gains Lossesin Accumulated Other Comprehensive Income Loss
NetHedgingGainsLossesinAccumulatedOtherComprehensiveIncomeLoss
-17100000 USD
CY2021Q1 us-gaap Aoci Loss Cash Flow Hedge Cumulative Gain Loss After Tax
AociLossCashFlowHedgeCumulativeGainLossAfterTax
-12100000 USD
us-gaap Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths
-28200000 USD
nfg Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months After Tax
CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonthsAfterTax
-19900000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
-34373000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
76304000 USD
CY2021Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-3666000 USD
CY2020Q1 us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
25034000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
13648000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification And Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
76799000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
-3977000 USD
us-gaap Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Before Tax
OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
32386000 USD
CY2021Q1 us-gaap Credit Risk Derivative Assets At Fair Value
CreditRiskDerivativeAssetsAtFairValue
1500000 USD
CY2021Q1 us-gaap Credit Risk Derivative Liabilities At Fair Value
CreditRiskDerivativeLiabilitiesAtFairValue
21200000 USD
CY2021Q1 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.263
CY2020Q1 us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
-0.532
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
0.268
us-gaap Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
1.399
CY2020Q1 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
56800000 USD
CY2021Q1 us-gaap Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
63900000 USD
CY2020Q3 nfg First Installment Of Amt Credit Refunds
FirstInstallmentOfAMTCreditRefunds
42500000 USD
CY2020Q3 nfg Accelerated Amt Credit Refund Received Under Cares Act
AcceleratedAMTCreditRefundReceivedUnderCARESAct
42500000 USD
CY2021Q1 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.445
us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.89
CY2020Q1 us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.435
us-gaap Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
0.87
us-gaap Stock Repurchased During Period Shares
StockRepurchasedDuringPeriodShares
82936 shares
CY2021Q1 us-gaap Long Term Debt Current
LongTermDebtCurrent
0 USD
CY2020Q3 us-gaap Long Term Debt Current
LongTermDebtCurrent
0 USD
CY2021Q1 us-gaap Loss Contingency Estimate Of Possible Loss
LossContingencyEstimateOfPossibleLoss
3300000 USD
us-gaap Remaining Recovery Period Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided1
RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1
P1Y
us-gaap Number Of Reportable Segments
NumberOfReportableSegments
4 segment
CY2021Q1 us-gaap Net Income Loss
NetIncomeLoss
112436000 USD
us-gaap Net Income Loss
NetIncomeLoss
190210000 USD
CY2021Q1 us-gaap Assets
Assets
7115652000 USD
CY2020Q3 us-gaap Assets
Assets
6964935000 USD
CY2020Q1 us-gaap Net Income Loss
NetIncomeLoss
-106068000 USD
us-gaap Net Income Loss
NetIncomeLoss
-19477000 USD

Files In Submission

Name View Source Status
0000070145-21-000012-index-headers.html Edgar Link pending
0000070145-21-000012-index.html Edgar Link pending
0000070145-21-000012.txt Edgar Link pending
0000070145-21-000012-xbrl.zip Edgar Link pending
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
MetaLinks.json Edgar Link pending
nfg-20210331.htm Edgar Link pending
nfg-20210331.xsd Edgar Link pending
nfg-20210331_cal.xml Edgar Link unprocessable
nfg-20210331_def.xml Edgar Link unprocessable
nfg-20210331_htm.xml Edgar Link completed
nfg-20210331_lab.xml Edgar Link unprocessable
nfg-20210331_pre.xml Edgar Link unprocessable
nfg-3312021xexhibit311.htm Edgar Link pending
nfg-3312021xexhibit312.htm Edgar Link pending
nfg-3312021xexhibit32.htm Edgar Link pending
nfg-3312021xexhibit99.htm Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R6.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending