$NJR
NEW JERSEY RESOURCES CORP Stock $njr

$njr Overview Financials Valuation SEC Filings Company Website

2014 Q3 Form 10-K Financial Statement

#000035630915000097 Filed on November 24, 2015

Income Statement

Concept	2014 Q3	2014 Q2	2014 Q1
Revenue	$591.9M	$688.3M	$1.580B
YoY Change	-19.32%	-10.32%	64.39%
Cost Of Revenue	$529.9M	$639.1M	$1.196B
YoY Change	-23.82%	-1.56%	49.36%
Gross Profit	$62.00M	$49.20M	$383.8M
YoY Change	62.73%	-58.41%	139.43%
Gross Profit Margin	10.47%	7.15%	24.3%
Selling, General & Admin	$4.800M	$9.300M	$38.20M
YoY Change	9.09%	47.62%	60.5%
% of Gross Profit	7.74%	18.9%	9.95%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$13.70M	$13.60M	$12.80M
YoY Change	11.38%	13.33%	9.4%
% of Gross Profit	22.1%	27.64%	3.34%
Operating Expenses	$90.90M	$717.5M	$1.333B
YoY Change	29.86%	-0.42%	47.42%
Operating Profit	-$28.84M	-$29.21M	$247.0M
YoY Change	-9.68%	-162.14%	333.59%
Interest Expense	-$5.900M	$6.507M	$6.306M
YoY Change	-4.84%	8.31%	9.75%
% of Operating Profit			2.55%
Other Income/Expense, Net	-$5.700M	$10.70M	$700.0K
YoY Change	-2000.0%	970.0%	-75.0%
Pretax Income	-$40.40M	-$24.76M	$241.4M
YoY Change	6.88%	-158.64%	347.04%
Income Tax	-$13.50M	-$7.808M	$71.68M
% Of Pretax Income			29.69%
Net Earnings	-$24.42M	-$14.27M	$173.0M
YoY Change	21.97%	-148.96%	280.42%
Net Earnings / Revenue	-4.13%	-2.07%	10.95%
Basic Earnings Per Share	-$0.29	-$0.17	$2.06
Diluted Earnings Per Share	-$0.29	-$0.17	$2.04
COMMON SHARES
Basic Shares Outstanding	42.21M shares	84.23M shares	84.16M shares
Diluted Shares Outstanding		84.23M shares	84.91M shares

Balance Sheet

Concept	2014 Q3	2014 Q2	2014 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.200M	$3.300M	$9.600M
YoY Change	-26.67%	73.68%	60.0%
Cash & Equivalents	$2.151M	$3.320M	$9.554M
Short-Term Investments
Other Short-Term Assets	$25.91M	$29.90M	$25.60M
YoY Change	23.66%	68.42%	20.67%
Inventory	$285.7M	$228.8M	$149.9M
Prepaid Expenses
Receivables	$184.6M	$270.8M	$482.5M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$682.7M	$695.5M	$836.1M
YoY Change	-8.47%	-7.31%	9.64%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.884B	$1.818B	$1.738B
YoY Change	14.67%	14.66%	12.73%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$153.0M	$152.5M	$152.3M
YoY Change	0.14%	-1.37%	-1.79%
Other Assets	$45.05M	$53.96M	$49.76M
YoY Change	4.95%	78.46%	65.26%
Total Long-Term Assets	$592.0M	$592.8M	$586.7M
YoY Change	-3.87%	-9.59%	-7.9%
TOTAL ASSETS
Total Short-Term Assets	$682.7M	$695.5M	$836.1M
Total Long-Term Assets	$592.0M	$592.8M	$586.7M
Total Assets	$3.125B	$3.106B	$3.161B
YoY Change	4.01%	3.83%	7.46%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$104.0M	$82.33M	$65.26M
YoY Change	72.36%	63.37%	23.44%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$301.0M	$174.5M	$63.20M
YoY Change	-17.67%	-41.23%	-78.06%
Long-Term Debt Due	$34.50M	$9.500M	$21.50M
YoY Change	-49.71%	-86.13%	150.0%
Total Short-Term Liabilities	$791.1M	$682.1M	$711.1M
YoY Change	-7.13%	-14.25%	-3.44%
LONG-TERM LIABILITIES
Long-Term Debt	$598.2M	$626.8M	$628.5M
YoY Change	16.63%	21.43%	19.1%
Other Long-Term Liabilities	$8.641M	$7.339M	$7.365M
YoY Change	19.24%	-11.45%	5.32%
Total Long-Term Liabilities	$803.3M	$783.9M	$782.4M
YoY Change	6.73%	-0.41%	0.34%
TOTAL LIABILITIES
Total Short-Term Liabilities	$791.1M	$682.1M	$711.1M
Total Long-Term Liabilities	$803.3M	$783.9M	$782.4M
Total Liabilities	$1.594B	$1.466B	$1.494B
YoY Change	-0.63%	-7.37%	-1.49%
SHAREHOLDERS EQUITY
Retained Earnings	$674.8M	$718.3M	$750.2M
YoY Change	11.56%
Common Stock	$418.0M	$417.5M	$415.8M
YoY Change	1.26%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$121.0M	$121.7M	$125.1M
YoY Change	-5.91%
Treasury Stock Shares	2.933M shares	2.943M shares	3.008M shares
Shareholders Equity	$966.2M	$1.013B	$1.039B
YoY Change
Total Liabilities & Shareholders Equity	$3.159B	$3.106B	$3.161B
YoY Change	5.13%	3.83%	7.46%

Cashflow Statement

Concept	2014 Q3	2014 Q2	2014 Q1
OPERATING ACTIVITIES
Net Income	-$24.42M	-$14.27M	$173.0M
YoY Change	21.97%	-148.96%	280.42%
Depreciation, Depletion And Amortization	$13.70M	$13.60M	$12.80M
YoY Change	11.38%	13.33%	9.4%
Cash From Operating Activities	-$18.40M	-$6.900M	$452.2M
YoY Change	65.77%	-141.32%	194.78%
INVESTING ACTIVITIES
Capital Expenditures	-$82.40M	-$76.70M	-$50.50M
YoY Change	45.33%	105.08%	79.08%
Acquisitions
YoY Change
Other Investing Activities	-$6.400M	-$6.800M	-$5.800M
YoY Change	45.45%	38.78%	-55.04%
Cash From Investing Activities	-$88.80M	-$83.60M	-$56.20M
YoY Change	45.34%	97.64%	37.07%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	105.9M	84.30M	-396.5M
YoY Change	44.47%	292.09%	261.77%
NET CHANGE
Cash From Operating Activities	-18.40M	-6.900M	452.2M
Cash From Investing Activities	-88.80M	-83.60M	-56.20M
Cash From Financing Activities	105.9M	84.30M	-396.5M
Net Change In Cash	-1.300M	-6.200M	-500.0K
YoY Change	-218.18%	51.22%	-117.86%
FREE CASH FLOW
Cash From Operating Activities	-$18.40M	-$6.900M	$452.2M
Capital Expenditures	-$82.40M	-$76.70M	-$50.50M
Free Cash Flow	$64.00M	$69.80M	$502.7M
YoY Change	40.35%	29.02%	176.82%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2014	njr	Asset Impairment Chargesnet AssetImpairmentChargesnet	3800000	USD
CY2014	njr	Deferred Interest DeferredInterest	586000	USD
CY2015	njr	Deferred Interest DeferredInterest	61000	USD
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-09-30
CY2015	dei	Document Type DocumentType	10-K
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0000356309
CY2015Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	85796206	shares
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015Q1	dei	Entity Public Float EntityPublicFloat	2609925396	USD
CY2015	dei	Entity Registrant Name EntityRegistrantName	NEW JERSEY RESOURCES CORP
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2015Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	125000000	USD
CY2014Q3	njr	Accumulated Depreciation Depletionand Amortization Propertand Equipment AccumulatedDepreciationDepletionandAmortizationPropertandEquipment	40298000	USD
CY2015Q3	njr	Accumulated Depreciation Depletionand Amortization Propertand Equipment AccumulatedDepreciationDepletionandAmortizationPropertandEquipment	56927000	USD
CY2014Q3	njr	Capital Leased Assets Fair Value Disclosure CapitalLeasedAssetsFairValueDisclosure	49900000	USD
CY2015Q3	njr	Capital Leased Assets Fair Value Disclosure CapitalLeasedAssetsFairValueDisclosure	46900000	USD
CY2014Q3	njr	Clean Energy Program Current CleanEnergyProgramCurrent	14285000	USD
CY2015Q3	njr	Clean Energy Program Current CleanEnergyProgramCurrent	14293000	USD
CY2015	njr	Current Charges Recoverable Through Bgss CurrentChargesRecoverableThroughBgss	86900000	USD
CY2014Q2	njr	Debt Instrument Maximum Issuance Amount DebtInstrumentMaximumIssuanceAmount	300000000	USD
CY2014Q2	njr	Debt Instrument Maximum Maturity Period DebtInstrumentMaximumMaturityPeriod	P30Y
CY2013	njr	Deferred Interest DeferredInterest	653000	USD
CY2014Q3	njr	Deferred Tax Assets Conservation Incentive Plan DeferredTaxAssetsConservationIncentivePlan	2312000	USD
CY2015Q3	njr	Deferred Tax Assets Conservation Incentive Plan DeferredTaxAssetsConservationIncentivePlan	2091000	USD
CY2014Q3	njr	Deferred Tax Liabilities Remediation Costs DeferredTaxLiabilitiesRemediationCosts	12429000	USD
CY2015Q3	njr	Deferred Tax Liabilities Remediation Costs DeferredTaxLiabilitiesRemediationCosts	7641000	USD
CY2014Q3	njr	Deferredtaxliabilities Tax Deferred Expense Post Employment Benefits DeferredtaxliabilitiesTaxDeferredExpensePostEmploymentBenefits	10268000	USD
CY2015Q3	njr	Deferredtaxliabilities Tax Deferred Expense Post Employment Benefits DeferredtaxliabilitiesTaxDeferredExpensePostEmploymentBenefits	2976000	USD
CY2015	njr	Defined Benefit Plan Benefits Basis Period DefinedBenefitPlanBenefitsBasisPeriod	P60M
CY2015	njr	Defined Benefit Plan Desired Rate Of Return Before Permissible Expense After Inflation DefinedBenefitPlanDesiredRateOfReturnBeforePermissibleExpenseAfterInflation	0.06
CY2015	njr	Defined Benefit Plan Numberof Medicaland Life Insurance Plans DefinedBenefitPlanNumberofMedicalandLifeInsurancePlans	2	plan
CY2015	njr	Defined Benefit Plan Numberof Plans DefinedBenefitPlanNumberofPlans	2	plan
CY2014Q3	njr	Defined Benefit Plan Other Special Termination Benefits DefinedBenefitPlanOtherSpecialTerminationBenefits	1500000	USD
CY2015	njr	Defined Benefit Plan Required Lengthof Service DefinedBenefitPlanRequiredLengthofService	P1Y
CY2015	njr	Defined Contribution Plan Company Match Of Employee Contribution DefinedContributionPlanCompanyMatchOfEmployeeContribution	0.65
CY2015	njr	Defined Contribution Plan Maximum Employer Contribution By Percentage Of Employee Salary DefinedContributionPlanMaximumEmployerContributionByPercentageOfEmployeeSalary	0.06
CY2013	njr	Demand Fees DemandFees	215100000	USD
CY2014	njr	Demand Fees DemandFees	214000000	USD
CY2015	njr	Demand Fees DemandFees	211100000	USD
CY2013	njr	Effective Income Tax Rate Reconciliation Basis Adjustment EffectiveIncomeTaxRateReconciliationBasisAdjustment	3225000	USD
CY2013Q4	njr	Gross Margin GrossMargin	64432000	USD
CY2014	njr	Increase Decrease In Prepaid And Accrued Taxes IncreaseDecreaseInPrepaidAndAccruedTaxes	21133000	USD
CY2014Q1	njr	Gross Margin GrossMargin	315849000	USD
CY2014Q2	njr	Gross Margin GrossMargin	28474000	USD
CY2014	njr	Effective Income Tax Rate Reconciliation Basis Adjustment EffectiveIncomeTaxRateReconciliationBasisAdjustment	3959000	USD
CY2015	njr	Effective Income Tax Rate Reconciliation Basis Adjustment EffectiveIncomeTaxRateReconciliationBasisAdjustment	4861000	USD
CY2013	njr	Effects Of Economic Hedging Related To Natural Gas Inventory Net Of Taxes EffectsOfEconomicHedgingRelatedToNaturalGasInventoryNetOfTaxes	-7635000	USD
CY2014	njr	Effects Of Economic Hedging Related To Natural Gas Inventory Net Of Taxes EffectsOfEconomicHedgingRelatedToNaturalGasInventoryNetOfTaxes	-26639000	USD
CY2015	njr	Effects Of Economic Hedging Related To Natural Gas Inventory Net Of Taxes EffectsOfEconomicHedgingRelatedToNaturalGasInventoryNetOfTaxes	8225000	USD
CY2014Q3	njr	Energy Related Inventory Natural Gasin Storage Bcf EnergyRelatedInventoryNaturalGasinStorageBCF	77.8	Bcf
CY2015Q3	njr	Energy Related Inventory Natural Gasin Storage Bcf EnergyRelatedInventoryNaturalGasinStorageBCF	66	Bcf
CY2015	njr	Establishmentof Allowancefor Doubtful Accounts Days Outstanding EstablishmentofAllowanceforDoubtfulAccountsDaysOutstanding	P60D
CY2015	njr	Future Accretion FutureAccretion	6696000	USD
CY2015	njr	Future Accretion Year Five FutureAccretionYearFive	1469000	USD
CY2015	njr	Future Accretion Year Four FutureAccretionYearFour	1403000	USD
CY2015	njr	Future Accretion Year One FutureAccretionYearOne	1211000	USD
CY2015	njr	Future Accretion Year Three FutureAccretionYearThree	1340000	USD
CY2015	njr	Future Accretion Year Two FutureAccretionYearTwo	1273000	USD
CY2014Q3	njr	Gross Margin GrossMargin	47375000	USD
CY2014Q4	njr	Gross Margin GrossMargin	225787000	USD
CY2015Q1	njr	Gross Margin GrossMargin	145189000	USD
CY2015Q2	njr	Gross Margin GrossMargin	51217000	USD
CY2015Q3	njr	Gross Margin GrossMargin	82177000	USD
CY2013	njr	Income Tax Expense Benefiton Financial Earnings Loss IncomeTaxExpenseBenefitonFinancialEarningsLoss	655000	USD
CY2014	njr	Income Tax Expense Benefiton Financial Earnings Loss IncomeTaxExpenseBenefitonFinancialEarningsLoss	-20286000	USD
CY2015	njr	Income Tax Expense Benefiton Financial Earnings Loss IncomeTaxExpenseBenefitonFinancialEarningsLoss	17449000	USD
CY2015	njr	Income Taxes Effectof Changein Federal Subsidy IncomeTaxesEffectofChangeinFederalSubsidy	-2900000	USD
CY2013	njr	Increase Decrease In Prepaid And Accrued Taxes IncreaseDecreaseInPrepaidAndAccruedTaxes	-8182000	USD
CY2015	njr	Increase Decrease In Prepaid And Accrued Taxes IncreaseDecreaseInPrepaidAndAccruedTaxes	-18161000	USD
CY2014Q2	njr	Lineof Credit Facility Renewal Period LineofCreditFacilityRenewalPeriod	P5Y
CY2015Q3	njr	Njbpu Dividend Restriction Equityto Capitalization Ratio NJBPUDividendRestrictionEquitytoCapitalizationRatio	0.30
CY2013	njr	Net Financial Earnings Loss NetFinancialEarningsLoss	113681000	USD
CY2014	njr	Net Financial Earnings Loss NetFinancialEarningsLoss	176857000	USD
CY2015	njr	Net Financial Earnings Loss NetFinancialEarningsLoss	151503000	USD
CY2015	njr	Numberof Asset Management Agreement NumberofAssetManagementAgreement	3	contract
CY2015Q3	njr	Numberof Ngv Stations NumberofNGVStations	2	station
CY2015Q3	njr	Operating Leases Future Minimum Payments Due Next Five Years OperatingLeasesFutureMinimumPaymentsDueNextFiveYears	2400000	USD
CY2015	njr	Projected Annual Demand Fees Under Related Party Agreement ProjectedAnnualDemandFeesUnderRelatedPartyAgreement	9300000	USD
CY2014Q3	njr	Receivable By Subsidiary Percentage ReceivableBySubsidiaryPercentage	1.00
CY2015Q3	njr	Receivable By Subsidiary Percentage ReceivableBySubsidiaryPercentage	1.00
CY2014	njr	Reclassification From Accumulated Other Comprehensive Income Current Period Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax	1270000	USD
CY2015	njr	Reclassification From Accumulated Other Comprehensive Income Current Period Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodTax	876000	USD
CY2013	njr	Sbc Interest Rate SBCInterestRate	0.0284
CY2014	njr	Sbc Interest Rate SBCInterestRate	0.0265
CY2015	njr	Sbc Interest Rate SBCInterestRate	0.0254
CY2014	njr	Sales Tax SalesTax	47400000	USD
CY2013	njr	Sales Tax SalesTax	44400000	USD
CY2014	njr	Transitional Energy Facilities Assessment TransitionalEnergyFacilitiesAssessment	1400000	USD
CY2015	njr	Transitional Energy Facilities Assessment TransitionalEnergyFacilitiesAssessment	0	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4400000	USD
CY2015	njr	Sales Tax SalesTax	44100000	USD
CY2013	njr	Sales Tax Excise Tax And Assessments SalesTaxExciseTaxAndAssessments	49400000	USD
CY2014	njr	Sales Tax Excise Tax And Assessments SalesTaxExciseTaxAndAssessments	48800000	USD
CY2015	njr	Sales Tax Excise Tax And Assessments SalesTaxExciseTaxAndAssessments	44100000	USD
CY2015	njr	Site Contingency Recoveryfrom Third Partyof Environmental Remediation Cost Period SiteContingencyRecoveryfromThirdPartyofEnvironmentalRemediationCostPeriod	P7Y
CY2013	njr	Stock Issued During Period Value Dividend Reinvestment Plan Treasury Stock Reissuedand Sharebased Compensation StockIssuedDuringPeriodValueDividendReinvestmentPlanTreasuryStockReissuedandSharebasedCompensation	39996000	USD
CY2014	njr	Stock Issued During Period Value Dividend Reinvestment Plan Treasury Stock Reissuedand Sharebased Compensation StockIssuedDuringPeriodValueDividendReinvestmentPlanTreasuryStockReissuedandSharebasedCompensation	17437000	USD
CY2015	njr	Stock Issued During Period Value Dividend Reinvestment Plan Treasury Stock Reissuedand Sharebased Compensation StockIssuedDuringPeriodValueDividendReinvestmentPlanTreasuryStockReissuedandSharebasedCompensation	33247000	USD
CY2015	njr	Tax Credit Carryforward Expiration Terms TaxCreditCarryforwardExpirationTerms	P20Y
CY2015	njr	Total Retail Customers TotalRetailCustomers	512300	Customers
CY2013	njr	Transitional Energy Facilities Assessment TransitionalEnergyFacilitiesAssessment	5000000	USD
CY2014Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	104005000	USD
CY2015Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	99651000	USD
CY2014Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	189970000	USD
CY2015Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	155273000	USD
CY2014Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	177000000	USD
CY2015Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	180400000	USD
CY2014Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2721000	USD
CY2015Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	1326000	USD
CY2014Q3	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	5262000	USD
CY2015Q3	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	4940000	USD
CY2014Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	449433000	USD
CY2015Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	494024000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4800000	USD
CY2013Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-1621000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5594000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9394000	USD
CY2014Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	7000	USD
CY2015Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	4200000	USD
CY2014Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	199739000	USD
CY2015Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	209931000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	2175000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-184000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-1344000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3456000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17816000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9645000	USD
CY2013	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	2044000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	10538000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	5705000	USD
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2015Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	0	USD
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5357000	USD
CY2015Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5189000	USD
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2014	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2014	us-gaap	Asset Impairment Charges AssetImpairmentCharges	6400000	USD
CY2013Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	28711000	USD
CY2014Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	30495000	USD
CY2015Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	19145000	USD
CY2014	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2012000	USD
CY2015	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	2262000	USD
CY2013	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	1697000	USD
CY2014	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	1153000	USD
CY2015	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	1034000	USD
CY2014	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	925000	USD
CY2015	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	2185000	USD
CY2014	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	1153000	USD
CY2015	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	1034000	USD
CY2014	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	0	USD
CY2015	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	-14763000	USD
CY2014Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	30495000	USD
CY2015Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	19145000	USD
CY2013Q3	us-gaap	Assets Assets	3004783000	USD
CY2014Q3	us-gaap	Assets Assets	3158804000	USD
CY2015Q3	us-gaap	Assets Assets	3339038000	USD
CY2014Q3	us-gaap	Assets Current AssetsCurrent	682731000	USD
CY2015Q3	us-gaap	Assets Current AssetsCurrent	544511000	USD
CY2014Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	591963000	USD
CY2015Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	666266000	USD
CY2014Q3	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	10672000	USD
CY2015Q3	us-gaap	Available For Sale Securities Noncurrent AvailableForSaleSecuritiesNoncurrent	59475000	USD
CY2014	us-gaap	Availableforsale Securities Gross Unrealized Gain Loss1 AvailableforsaleSecuritiesGrossUnrealizedGainLoss1	8100000	USD
CY2015	us-gaap	Availableforsale Securities Gross Unrealized Gain Loss1 AvailableforsaleSecuritiesGrossUnrealizedGainLoss1	7500000	USD
CY2013	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	-7103000	USD
CY2014	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9655000	USD
CY2015	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	28676000	USD
CY2014Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1564375000	USD
CY2015Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1950551000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4509000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2969000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2151000	USD
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4928000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1540000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-818000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	2777000	USD
CY2014Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.81
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.855
CY2014	us-gaap	Cost Of Goods And Services Energy Commodities And Services CostOfGoodsAndServicesEnergyCommoditiesAndServices	2807008000	USD
CY2015	us-gaap	Cost Of Goods And Services Energy Commodities And Services CostOfGoodsAndServicesEnergyCommoditiesAndServices	1767841000	USD
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.915
CY2014Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.5
CY2015Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2015Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2014Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	84356310.00	shares
CY2015Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	85531423	shares
CY2015Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	42700000	shares
CY2015Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	85400000	shares
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	218223000	USD
CY2015Q3	us-gaap	Common Stock Value CommonStockValue	220838000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	123959000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	137997000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	177160000	USD
CY2015	us-gaap	Concentration Risk Credit Risk Financial Instrument Maximum Exposure ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure	131280000	USD
CY2014Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	55625000	USD
CY2015Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	77705000	USD
CY2015Q3	us-gaap	Cost Method Investments Realized Gains CostMethodInvestmentsRealizedGains	3000000	USD
CY2013	us-gaap	Cost Of Goods And Services Energy Commodities And Services CostOfGoodsAndServicesEnergyCommoditiesAndServices	2299974000	USD
CY2013	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	400307000	USD
CY2014	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	319897000	USD
CY2015	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	304953000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12248000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	37904000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	20492000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1763000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	11096000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5473000	USD
CY2014Q3	us-gaap	Customer Advances And Deposits Current CustomerAdvancesAndDepositsCurrent	22335000	USD
CY2015Q3	us-gaap	Customer Advances And Deposits Current CustomerAdvancesAndDepositsCurrent	20790000	USD
CY2014Q2	us-gaap	Debt Instrument Term DebtInstrumentTerm	P3Y
CY2013	us-gaap	Deferred Compensation Arrangement With Individual Employer Contribution DeferredCompensationArrangementWithIndividualEmployerContribution	193000	USD
CY2014	us-gaap	Deferred Compensation Arrangement With Individual Employer Contribution DeferredCompensationArrangementWithIndividualEmployerContribution	374000	USD
CY2015	us-gaap	Deferred Compensation Arrangement With Individual Employer Contribution DeferredCompensationArrangementWithIndividualEmployerContribution	461000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	34127000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	24963000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	56480000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	41075000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	18421000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	45934000	USD
CY2014Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	4042000	USD
CY2015Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	29334000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	6186000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	960000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	7375000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	3299000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	3440000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	14350000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	0	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-382021000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-436540000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	63974000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	69016000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	36451000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	56296000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	8962000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	12757000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	10078000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	12762000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	0	USD
CY2015Q3	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	2827000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	10341000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	24770000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	14632000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	10369000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	445995000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	505556000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	423213000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	499616000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	0	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	3180000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	35474000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Investment In Noncontrolled Affiliates DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates	37930000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	11751000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	13409000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	371017000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	440420000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	5056000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	0	USD
CY2014Q3	us-gaap	Defined Benefit Plan Cost Of Providing Special Or Contractual Termination Benefit Recognized During Period DefinedBenefitPlanCostOfProvidingSpecialOrContractualTerminationBenefitRecognizedDuringPeriod	5000000	USD
CY2014Q3	us-gaap	Defined Benefit Plan Special Termination Benefits DefinedBenefitPlanSpecialTerminationBenefits	3500000	USD
CY2015	us-gaap	Defined Benefit Plan Target Plan Asset Allocations DefinedBenefitPlanTargetPlanAssetAllocations	1
CY2014Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2015Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1900000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2200000	USD
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2600000	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	47310000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	52742000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	61399000	USD
CY2014Q3	us-gaap	Derivative Assets DerivativeAssets	69877000	USD
CY2015Q3	us-gaap	Derivative Assets DerivativeAssets	45087000	USD
CY2014Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	64223000	USD
CY2015Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	40743000	USD
CY2014Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	5654000	USD
CY2015Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	4334000	USD
CY2015Q2	us-gaap	Derivative Fixed Interest Rate DerivativeFixedInterestRate	0.0326
CY2014Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	86553000	USD
CY2015Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	4200000	USD
CY2013	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	67590000	USD
CY2014	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	72025000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	78044000	USD
CY2014Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	19001000	USD
CY2015Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	20528000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.38
CY2013Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2015Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	38330000	USD
CY2014Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	79863000	USD
CY2015Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	32791000	USD
CY2014Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	6690000	USD
CY2015Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	5529000	USD
CY2014Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	39000	USD
CY2014Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.06
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.17
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.29
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.69
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.46
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.71
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.09
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.12
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.37
CY2013Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2014Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.04
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.17
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.29
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.67
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.71
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.09
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.10
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.236
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.268
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.248
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2013	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1412000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	7278000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	3940000	USD
CY2014Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	277516000	USD
CY2015Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	163905000	USD
CY2014Q3	us-gaap	Equity Method Investments EquityMethodInvestments	153010000	USD
CY2015Q3	us-gaap	Equity Method Investments EquityMethodInvestments	132002000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	173000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	414000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	881000	USD
CY2013	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	57414000	USD
CY2014	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	57344000	USD
CY2015	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	53260000	USD
CY2014Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	3900000	USD
CY2015Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	6200000	USD
CY2014Q3	us-gaap	Gas Purchase Payable Current GasPurchasePayableCurrent	205901000	USD
CY2015Q3	us-gaap	Gas Purchase Payable Current GasPurchasePayableCurrent	151375000	USD
CY2013	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
CY2014	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	6351000	USD
CY2015	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	140035000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	183278000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	227275000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10349000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10532000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	13409000	USD
CY2013	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-3299000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-2589000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-6663000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35575000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	51840000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	59724000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	52661000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	67834000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	84239000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-5769000	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-4437000	USD
CY2015	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-5149000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-961000	USD
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-218000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2364000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5168000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	7785000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	8233000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	18749000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	23083000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	30096000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	12039000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	22447000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	28790000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	726000	USD
CY2015	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	3825000	USD
CY2013	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-24059000	USD
CY2014	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-2058000	USD
CY2015	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-1545000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	34716000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-14714000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	72244000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-48032000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-32529000	USD
CY2013	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	2037000	USD
CY2014	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	1562000	USD
CY2013	us-gaap	Increase Decrease In Due To Related Parties Current IncreaseDecreaseInDueToRelatedPartiesCurrent	-16000	USD
CY2014	us-gaap	Increase Decrease In Due To Related Parties Current IncreaseDecreaseInDueToRelatedPartiesCurrent	14000	USD
CY2015	us-gaap	Increase Decrease In Due To Related Parties Current IncreaseDecreaseInDueToRelatedPartiesCurrent	202000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	55755000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-43130000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-114638000	USD
CY2013	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	60316000	USD
CY2014	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-85480000	USD
CY2015	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-81817000	USD
CY2013	us-gaap	Increase Decrease In Other Accounts Payable IncreaseDecreaseInOtherAccountsPayable	72415000	USD
CY2014	us-gaap	Increase Decrease In Other Accounts Payable IncreaseDecreaseInOtherAccountsPayable	-47528000	USD
CY2015	us-gaap	Increase Decrease In Other Accounts Payable IncreaseDecreaseInOtherAccountsPayable	-54525000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-9496000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-10484000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-38716000	USD
CY2013	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1039000	USD
CY2014	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	19775000	USD
CY2015	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	25695000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5351000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4216000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	14038000	USD
CY2013	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	15348000	USD
CY2014	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-20758000	USD
CY2015	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	18452000	USD
CY2013	us-gaap	Increase Decrease In Recoverable Refundable Gas Costs IncreaseDecreaseInRecoverableRefundableGasCosts	-6100000	USD
CY2014	us-gaap	Increase Decrease In Recoverable Refundable Gas Costs IncreaseDecreaseInRecoverableRefundableGasCosts	-13015000	USD
CY2015	us-gaap	Increase Decrease In Recoverable Refundable Gas Costs IncreaseDecreaseInRecoverableRefundableGasCosts	-18979000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-56000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-88000	USD
CY2015	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	1499000	USD
CY2013	us-gaap	Interest Expense InterestExpense	23979000	USD
CY2014	us-gaap	Interest Expense InterestExpense	25463000	USD
CY2015	us-gaap	Interest Expense InterestExpense	27721000	USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	20414000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	22458000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	24208000	USD
CY2013	us-gaap	Investment Income Interest InvestmentIncomeInterest	837000	USD
CY2014	us-gaap	Investment Income Interest InvestmentIncomeInterest	1222000	USD
CY2015	us-gaap	Investment Income Interest InvestmentIncomeInterest	580000	USD
CY2014Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	153010000	USD
CY2015Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	132002000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3158804000	USD
CY2015Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3339038000	USD
CY2014Q3	us-gaap	Liabilities Current LiabilitiesCurrent	791086000	USD
CY2015Q3	us-gaap	Liabilities Current LiabilitiesCurrent	436100000	USD
CY2014Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	803343000	USD
CY2014Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	598209000	USD
CY2015Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	952387000	USD
CY2013	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-23000	USD
CY2014	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-61000	USD
CY2015	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	56000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	330000	USD
CY2015Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	843595000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-282595000	USD
CY2014Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	34505000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-426000	USD
CY2015Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	11138000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	78099000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-75009000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-63414000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-193633000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-321729000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	113994000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	356786000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	387920000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	114809000	USD
CY2013Q4	us-gaap	Net Income Loss NetIncomeLoss	7693000	USD
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	172971000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	-14274000	USD
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	-24420000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	141970000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	123320000	USD
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	60903000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	-7460000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	4197000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	180960000	USD
CY2014Q3	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	27300000	USD
CY2015Q3	us-gaap	Notes And Loans Receivable Gross Noncurrent NotesAndLoansReceivableGrossNoncurrent	36200000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	3038837000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	3536955000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	2485536000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	159231000	USD
CY2013Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	12224000	USD
CY2014Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	247012000	USD
CY2014Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-29208000	USD
CY2014Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-28838000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	201190000	USD
CY2014Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	168697000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	82806000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-9309000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	6257000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	248451000	USD
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	36600000	USD
CY2014Q3	us-gaap	Other Assets Current OtherAssetsCurrent	25911000	USD
CY2015Q3	us-gaap	Other Assets Current OtherAssetsCurrent	40987000	USD
CY2014Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	45052000	USD
CY2015Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	60300000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1135000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-5897000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-5136000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-3919000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Reclassifications Tax OtherComprehensiveIncomeLossBeforeReclassificationsTax	-3373000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	9150000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3973000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3800000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-8710000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3250000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	5496000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-5934000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	2162000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	3688000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2649000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	2497000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-39000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-105000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	93000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	479000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-618000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1603000	USD
CY2013	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	173473000	USD
CY2014	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	215180000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	209453000	USD
CY2014Q3	us-gaap	Other Inventory OtherInventory	8165000	USD
CY2015Q3	us-gaap	Other Inventory OtherInventory	7138000	USD
CY2014Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8641000	USD
CY2015Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8476000	USD
CY2013	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4783000	USD
CY2014	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	7551000	USD
CY2015	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	6545000	USD
CY2014Q3	us-gaap	Other Payables To Broker Dealers And Clearing Organizations OtherPayablesToBrokerDealersAndClearingOrganizations	0	USD
CY2015Q3	us-gaap	Other Payables To Broker Dealers And Clearing Organizations OtherPayablesToBrokerDealersAndClearingOrganizations	4103000	USD
CY2014Q3	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	27339000	USD
CY2015Q3	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	12990000	USD
CY2013	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	6166000	USD
CY2014	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	4396000	USD
CY2015	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	6805000	USD
CY2013	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	26601000	USD
CY2014	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	24312000	USD
CY2015	us-gaap	Payments For Removal Costs PaymentsForRemovalCosts	28078000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	26606000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5522000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	10589000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	67230000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	70664000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	76532000	USD
CY2013	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2014	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	555000	USD
CY2015	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	5780000	USD
CY2013	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	0	USD
CY2014	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	555000	USD
CY2015	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	5780000	USD
CY2013	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	59125000	USD
CY2014	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	135543000	USD
CY2015	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	151002000	USD
CY2013	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	1042000	USD
CY2014	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	1179000	USD
CY2015	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	209000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	110482000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	128254000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	140797000	USD
CY2013	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	26028000	USD
CY2014	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	4953000	USD
CY2015	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	5778000	USD
CY2014Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	86674000	USD
CY2015Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	137414000	USD
CY2014Q3	us-gaap	Prepaid Taxes PrepaidTaxes	22269000	USD
CY2015Q3	us-gaap	Prepaid Taxes PrepaidTaxes	36810000	USD
CY2015Q3	us-gaap	Prescription Drug Subsidy Receipts After Year Five PrescriptionDrugSubsidyReceiptsAfterYearFive	2067000	USD
CY2015Q3	us-gaap	Prescription Drug Subsidy Receipts Next Twelve Months PrescriptionDrugSubsidyReceiptsNextTwelveMonths	210000	USD
CY2015Q3	us-gaap	Prescription Drug Subsidy Receipts Year Five1 PrescriptionDrugSubsidyReceiptsYearFive1	304000	USD
CY2015Q3	us-gaap	Prescription Drug Subsidy Receipts Year Four1 PrescriptionDrugSubsidyReceiptsYearFour1	276000	USD
CY2015Q3	us-gaap	Prescription Drug Subsidy Receipts Year Three1 PrescriptionDrugSubsidyReceiptsYearThree1	253000	USD
CY2015Q3	us-gaap	Prescription Drug Subsidy Receipts Year Two1 PrescriptionDrugSubsidyReceiptsYearTwo1	231000	USD
CY2013	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3079000	USD
CY2014	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	1150000	USD
CY2015	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	2620000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	37839000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	15373000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	37299000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	50000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	125000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	250000000	USD
CY2013	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	85800000	USD
CY2014	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-64600000	USD
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-234650000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	482000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
CY2013	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2014	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	0	USD
CY2015	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	3016000	USD
CY2013	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2014	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	6010000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1200000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	724000	USD
CY2013	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	197250000	USD
CY2014	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	289288000	USD
CY2015	us-gaap	Property Plant And Equipment Additions PropertyPlantAndEquipmentAdditions	320086000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2333543000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	2622285000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1884110000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2128261000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	347285000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	481003000	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2627000	USD
CY2014	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2504000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2859000	USD
CY2014Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	409135000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Accumulated Depreciation PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation	437097000	USD
CY2014Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	139624000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	155553000	USD
CY2013	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0243
CY2014	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0244
CY2015	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0231
CY2014Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1791009000	USD
CY2015Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1908024000	USD
CY2015Q3	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	790199000	USD
CY2015Q3	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	102704000	USD
CY2015Q3	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	113263000	USD
CY2015Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	492559000	USD
CY2015Q3	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	230065000	USD
CY2015Q3	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	142009000	USD
CY2015Q3	us-gaap	Ratio Of Indebtedness To Net Capital1 RatioOfIndebtednessToNetCapital1	0.542
CY2014	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1924000	USD
CY2015	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-1336000	USD
CY2013	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3198068000	USD
CY2013Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	878405000	USD
CY2014Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1579569000	USD
CY2014Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	688257000	USD
CY2014Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	591914000	USD
CY2014	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3738145000	USD
CY2014Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	824124000	USD
CY2015Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	458467000	USD
CY2015Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	1013090000	USD
CY2014Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	26862000	USD
CY2015Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	24258000	USD
CY2014Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	61326000	USD
CY2015Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	67533000	USD
CY2013	us-gaap	Related Parties Amount In Cost Of Sales RelatedPartiesAmountInCostOfSales	11942000	USD
CY2014	us-gaap	Related Parties Amount In Cost Of Sales RelatedPartiesAmountInCostOfSales	12620000	USD
CY2015	us-gaap	Related Parties Amount In Cost Of Sales RelatedPartiesAmountInCostOfSales	12851000	USD
CY2015Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	438306000	USD
CY2015	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2733987000	USD
CY2013	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	787987000	USD
CY2014	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	819415000	USD
CY2015	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	781970000	USD
CY2014Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	377575000	USD
CY2015Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	410155000	USD
CY2015	us-gaap	Regulatory Liability Amortization Period RegulatoryLiabilityAmortizationPeriod	P48Y
CY2014Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	6072000	USD
CY2015Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	12154000	USD
CY2014Q3	us-gaap	Related Party Transaction Due From To Related Party RelatedPartyTransactionDueFromToRelatedParty	-1398000	USD
CY2015Q3	us-gaap	Related Party Transaction Due From To Related Party RelatedPartyTransactionDueFromToRelatedParty	-1601000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8953000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	82586000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	37039000	USD
CY2014Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1000000	USD
CY2015Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2500000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	674829000	USD
CY2015Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	777745000	USD
CY2013	us-gaap	Sale Leaseback Transaction Net Proceeds Financing Activities SaleLeasebackTransactionNetProceedsFinancingActivities	7076000	USD
CY2014	us-gaap	Sale Leaseback Transaction Net Proceeds Financing Activities SaleLeasebackTransactionNetProceedsFinancingActivities	7576000	USD
CY2015	us-gaap	Sale Leaseback Transaction Net Proceeds Financing Activities SaleLeasebackTransactionNetProceedsFinancingActivities	7216000	USD
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	133250	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	48250	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	0	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	14.77
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	15.00
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0.00
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	163250	shares
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	133250	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	48250	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.36
CY2013Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.77
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	15.00
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0.00
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.54
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.13
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	15.00
CY2013	us-gaap	Transfer To Investments TransferToInvestments	0	USD
CY2014	us-gaap	Transfer To Investments TransferToInvestments	0	USD
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2013	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2015	us-gaap	Transfer To Investments TransferToInvestments	24601000	USD
CY2014Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2932775.000	shares
CY2015Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2804847	shares
CY2014Q3	us-gaap	Treasury Stock Value TreasuryStockValue	121031000	USD
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2014Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	301000000	USD
CY2015Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	66350000	USD
CY2012Q1	us-gaap	Site Contingency Recovery From Third Party Of Environmental Remediation Cost SiteContingencyRecoveryFromThirdPartyOfEnvironmentalRemediationCost	20000000	USD
CY2013	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	30000	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	85000	shares
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	48250	shares
CY2012Q3	us-gaap	Stockholders Equity StockholdersEquity	813865000	USD
CY2013Q3	us-gaap	Stockholders Equity StockholdersEquity	887384000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	966166000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	1106956000	USD
CY2015Q1	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	2
CY2015Q3	us-gaap	Treasury Stock Value TreasuryStockValue	92164000	USD
CY2013	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	25021000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4443000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	-9771000	USD
CY2014Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	7231000	USD
CY2015Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	6372000	USD
CY2013	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	9417000	USD
CY2014	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-28534000	USD
CY2015	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	38681000	USD
CY2013	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	9418000	USD
CY2014	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	-28534000	USD
CY2015	us-gaap	Unrealized Gain Loss On Derivatives And Commodity Contracts UnrealizedGainLossOnDerivativesAndCommodityContracts	38681000	USD
CY2013	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	2410081000	USD
CY2014	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	2918730000	USD
CY2015	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1952017000	USD
CY2013	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	48417000	USD
CY2014	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	72164000	USD
CY2015	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	75779000	USD
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	312000	shares
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	724000	shares
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1079000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	85186000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	83628000	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	84922000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86265000	shares
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	83316000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	84198000	shares
CY2015	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">NATURE OF THE BUSINESS</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">New Jersey Resources Corporation provides regulated gas distribution services and operates certain unregulated businesses primarily through the following subsidiaries:</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">New Jersey Natural Gas Company provides natural gas utility service to approximately </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">512,300</font><font style="font-family:inherit;font-size:10pt;"> retail customers in central and northern New Jersey and is subject to rate regulation by the BPU. NJNG comprises the Natural Gas Distribution segment.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR Energy Services Company comprises the Energy Services segment that maintains and transacts around a portfolio of natural gas storage and transportation capacity contracts and provides physical wholesale energy and energy management services.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR Clean Energy Ventures Corporation, the Company's distributed power subsidiary, comprises the Clean Energy Ventures segment and consists of the Company's capital investments in distributed power projects, including commercial and residential solar projects and onshore wind investments.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR Midstream Holdings Corporation invests in energy-related ventures through its subsidiaries, NJR Steckman Ridge Storage Company, which holds the Company's </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">50 percent</font><font style="font-family:inherit;font-size:10pt;"> combined interest in Steckman Ridge, </font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;">and NJR Pipeline Company, which holds the Company's </font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;">20 percent</font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;"> ownership interest in PennEast.</font><font style="font-family:inherit;font-size:10pt;"> </font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;">During fiscal 2015 and 2014, NJR Midstream Holdings Corporation, </font><font style="font-family:inherit;font-size:10pt;">through its subsidiary, NJNR Pipeline Company, also held the Company's </font><font style="font-family:inherit;font-size:10pt;">5.53 percent</font><font style="font-family:inherit;font-size:10pt;"> ownership interest in Iroquois Gas Transmission L.P. </font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;">On </font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;">September 29, 2015</font><font style="font-family:inherit;font-size:10pt;text-align:justify;vertical-align:bottom;">, NJNR Pipeline Company exchanged</font><font style="font-family:inherit;font-size:10pt;"> its ownership interest in Iroquois to Dominion Midstream Partners, L.P. for approximately </font><font style="font-family:inherit;font-size:10pt;">1.84 million</font><font style="font-family:inherit;font-size:10pt;"> DM Common Units. Steckman Ridge, PennEast and DM comprise the Midstream segment. See </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Note 6</font><font style="font-family:inherit;font-size:10pt;">. </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Investment in Equity Investees </font><font style="font-family:inherit;font-size:10pt;">for more information.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR Retail Holdings Corporation has </font><font style="font-family:inherit;font-size:10pt;">two</font><font style="font-family:inherit;font-size:10pt;"> principal subsidiaries, NJR Home Services Company and Commercial Realty & Resources Corporation. Retail Holdings and NJR Energy Corporation are included in Home Services and Other operations.</font></div></div>
CY2015	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires NJR to make estimates that affect the reported amounts of assets, liabilities, revenues, expenses and related disclosure of contingencies during the reporting period. On a monthly basis, NJR evaluates its estimates, including those related to the calculation of the fair value of derivative instruments, debt, unbilled revenues, allowance for doubtful accounts, provisions for depreciation and amortization, regulatory assets and liabilities, income taxes, pensions and other postemployment benefits, contingencies related to environmental matters and litigation. AROs are evaluated as often as needed. NJR's estimates are based on historical experience and on various other assumptions that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR has legal, regulatory and environmental proceedings during the normal course of business that can result in loss contingencies. When evaluating the potential for a loss, NJR will establish a reserve if a loss is probable and can be reasonably estimated, in which case it is NJR's policy to accrue the full amount of such estimates. Where the information is sufficient only to establish a range of probable liability, and no point within the range is more likely than any other, it is NJR's policy to accrue the lower end of the range. In the normal course of business, estimated amounts are subsequently adjusted to actual results that may differ from estimates.</font></div></div>

Files In Submission

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$NJR
NEW JERSEY RESOURCES CORP Stock $njr

2014 Q3 Form 10-K Financial Statement

#000035630915000097 Filed on November 24, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NJR NEW JERSEY RESOURCES CORP Stock $njr

2014 Q3 Form 10-K Financial Statement

#000035630915000097 Filed on November 24, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NJR
NEW JERSEY RESOURCES CORP Stock $njr