$NJR
NEW JERSEY RESOURCES CORP Stock $njr

$njr Overview Financials Valuation SEC Filings Company Website

2011 Q3 Form 10-K Financial Statement

#000035630912000060 Filed on November 29, 2012

Income Statement

Concept	2011 Q3	2011 Q2	2011 Q1
Revenue	$670.9M	$648.2M	$977.0M
YoY Change	6.24%	35.07%	6.39%
Cost Of Revenue	$620.1M	$557.1M	$783.6M
YoY Change	8.03%	26.38%	11.4%
Gross Profit	$50.80M	$91.10M	$193.4M
YoY Change	-11.65%	132.99%	-10.0%
Gross Profit Margin	7.57%	14.05%	19.8%
Selling, General & Admin	$3.700M	$6.500M	$24.30M
YoY Change	-24.49%	4.84%	14.62%
% of Gross Profit	7.28%	7.14%	12.56%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$9.800M	$8.000M	$8.900M
YoY Change	13.95%	-3.61%	8.54%
% of Gross Profit	19.29%	8.78%	4.6%
Operating Expenses	$68.40M	$621.0M	$883.8M
YoY Change	17.93%	24.53%	10.98%
Operating Profit	-$17.65M	$27.18M	$93.20M
YoY Change	3530.86%	-244.69%	-23.61%
Interest Expense	-$4.500M	$4.744M	$5.078M
YoY Change	-15.09%	-9.43%	-4.03%
% of Operating Profit		17.45%	5.45%
Other Income/Expense, Net	$1.300M	$900.0K	$500.0K
YoY Change	-27.78%	-30.77%	-50.0%
Pretax Income	-$20.90M	$23.61M	$88.93M
YoY Change	422.5%	-203.97%	-24.48%
Income Tax	-$11.00M	$6.197M	$28.61M
% Of Pretax Income		26.24%	32.17%
Net Earnings	-$7.511M	$20.37M	$63.93M
YoY Change	-595.78%	-300.2%	-13.86%
Net Earnings / Revenue	-1.12%	3.14%	6.54%
Basic Earnings Per Share	-$0.18	$0.49	$1.55
Diluted Earnings Per Share	-$0.18	$0.49	$1.54
COMMON SHARES
Basic Shares Outstanding	41.44M shares	41.38M shares	41.35M shares
Diluted Shares Outstanding		41.60M shares	41.55M shares

Balance Sheet

Concept	2011 Q3	2011 Q2	2011 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$7.400M	$60.80M	$76.40M
YoY Change	722.22%	-33.7%	-51.06%
Cash & Equivalents	$7.440M	$60.81M	$76.39M
Short-Term Investments
Other Short-Term Assets	$14.70M	$19.02M	$16.44M
YoY Change	15.91%	-91.15%	-94.14%
Inventory	$301.9M	$255.0M	$201.0M
Prepaid Expenses
Receivables	$204.7M	$254.3M	$226.1M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$732.4M	$741.7M	$709.6M
YoY Change	-6.71%	-3.44%	-13.06%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.296B	$1.206B	$1.167B
YoY Change	14.11%	9.47%	7.69%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$159.1M	$173.0M	$172.0M
YoY Change	0.07%	2.54%	2.06%
Other Assets	$21.39M	$9.948M	$10.04M
YoY Change	2.31%	-97.56%	-97.66%
Total Long-Term Assets	$621.2M	$626.7M	$625.4M
YoY Change	-3.31%	-62.64%	-62.79%
TOTAL ASSETS
Total Short-Term Assets	$732.4M	$741.7M	$709.6M
Total Long-Term Assets	$621.2M	$626.7M	$625.4M
Total Assets	$2.649B	$2.574B	$2.502B
YoY Change	3.37%	5.25%	0.19%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$65.96M	$59.53M	$44.45M
YoY Change	39.46%	-77.7%	-81.86%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$159.4M	$138.0M	$147.6M
YoY Change	7.96%	-16.01%	49.54%
Long-Term Debt Due	$7.600M	$12.20M	$12.17M
YoY Change	-75.69%	-55.31%	-55.26%
Total Short-Term Liabilities	$703.4M	$631.1M	$585.2M
YoY Change	-0.34%	3.2%	-9.32%
LONG-TERM LIABILITIES
Long-Term Debt	$426.8M	$428.2M	$430.0M
YoY Change	-0.5%	-1.54%	-1.49%
Other Long-Term Liabilities	$5.822M	$6.749M	$411.9M
YoY Change	-19.6%	-98.12%	12.11%
Total Long-Term Liabilities	$743.0M	$718.4M	$701.4M
YoY Change	5.7%	-9.53%	-12.75%
TOTAL LIABILITIES
Total Short-Term Liabilities	$703.4M	$631.1M	$585.2M
Total Long-Term Liabilities	$743.0M	$718.4M	$701.4M
Total Liabilities	$1.446B	$1.349B	$1.287B
YoY Change	2.67%	-20.82%	-25.55%
SHAREHOLDERS EQUITY
Retained Earnings	$528.8M
YoY Change	8.57%
Common Stock	$375.8M	$796.3M	$785.1M
YoY Change	4.14%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$117.7M
YoY Change	6.61%
Treasury Stock Shares	2.808M shares
Shareholders Equity	$776.3M	$796.3M	$785.1M
YoY Change
Total Liabilities & Shareholders Equity	$2.649B	$2.574B	$2.502B
YoY Change	3.37%	5.25%	0.19%

Cashflow Statement

Concept	2011 Q3	2011 Q2	2011 Q1
OPERATING ACTIVITIES
Net Income	-$7.511M	$20.37M	$63.93M
YoY Change	-595.78%	-300.2%	-13.86%
Depreciation, Depletion And Amortization	$9.800M	$8.000M	$8.900M
YoY Change	13.95%	-3.61%	8.54%
Cash From Operating Activities	$22.90M	$46.20M	$312.9M
YoY Change	-238.79%	-151.85%	5.28%
INVESTING ACTIVITIES
Capital Expenditures	-$79.40M	-$34.30M	-$27.70M
YoY Change	98.5%	53.13%	58.29%
Acquisitions
YoY Change
Other Investing Activities	$2.100M	-$4.400M	-$2.100M
YoY Change	-450.0%	131.58%	-36.36%
Cash From Investing Activities	-$77.20M	-$38.90M	-$29.70M
YoY Change	89.68%	61.41%	42.11%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	1.000M	-23.00M	-213.4M
YoY Change	-102.99%	-147.23%	63.4%
NET CHANGE
Cash From Operating Activities	22.90M	46.20M	312.9M
Cash From Investing Activities	-77.20M	-38.90M	-29.70M
Cash From Financing Activities	1.000M	-23.00M	-213.4M
Net Change In Cash	-53.30M	-15.70M	69.80M
YoY Change	-41.23%	-75.66%	-52.09%
FREE CASH FLOW
Cash From Operating Activities	$22.90M	$46.20M	$312.9M
Capital Expenditures	-$79.40M	-$34.30M	-$27.70M
Free Cash Flow	$102.3M	$80.50M	$340.6M
YoY Change	335.32%	-220.69%	8.23%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2011Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	65960000	USD
CY2012Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	66765000	USD
CY2011Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	209266000	USD
CY2012Q3	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	170543000	USD
CY2011Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	182900000	USD
CY2012Q3	us-gaap	Accrued Environmental Loss Contingencies Noncurrent AccruedEnvironmentalLossContingenciesNoncurrent	182000000	USD
CY2011Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	778000	USD
CY2012Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2072000	USD
CY2011Q3	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	6227000	USD
CY2012Q3	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	5905000	USD
CY2012Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	421659000	USD
CY2011Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	410237000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4530000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	4921000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	173000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	51000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	15307000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	15743000	USD
CY2011Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10604000	USD
CY2012Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10771000	USD
CY2012Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1200000	USD
CY2011Q3	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	1700000	USD
CY2011Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	265524000	USD
CY2012Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	272566000	USD
CY2010	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	97379000	USD
CY2011	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	177531000	USD
CY2012	us-gaap	Additions To Noncurrent Assets AdditionsToNoncurrentAssets	207515000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	2007000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	326000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	780000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2847000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2654000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2638000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1560000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1684000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1570000	USD
CY2011Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4612000	USD
CY2012Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	4797000	USD
CY2010Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	26009000	USD
CY2011Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	27026000	USD
CY2012Q3	us-gaap	Asset Retirement Obligation AssetRetirementObligation	27983000	USD
CY2012	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	1774000	USD
CY2011	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	1663000	USD
CY2011	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	826000	USD
CY2012	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	1196000	USD
CY2010	us-gaap	Asset Retirement Obligation Cash Paid To Settle AssetRetirementObligationCashPaidToSettle	809000	USD
CY2011	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	180000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	380000	USD
CY2011	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	826000	USD
CY2012	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	1197000	USD
CY2011Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	27026000	USD
CY2012Q3	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	27983000	USD
CY2011Q3	us-gaap	Assets Assets	2649444000	USD
CY2012Q3	us-gaap	Assets Assets	2770005000	USD
CY2010Q3	us-gaap	Assets Assets	2563133000	USD
CY2012Q3	us-gaap	Assets Current AssetsCurrent	647344000	USD
CY2011Q3	us-gaap	Assets Current AssetsCurrent	732367000	USD
CY2012Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	637784000	USD
CY2011Q3	us-gaap	Assets Noncurrent AssetsNoncurrent	621150000	USD
CY2011Q3	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	7700000	USD
CY2012Q3	us-gaap	Available For Sale Securities Gross Unrealized Gain Loss AvailableForSaleSecuritiesGrossUnrealizedGainLoss	8300000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	8257000	USD
CY2011	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9423000	USD
CY2010	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1575000	USD
CY2012Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1339034000	USD
CY2011Q3	us-gaap	Capitalization Longterm Debt And Equity CapitalizationLongtermDebtAndEquity	1203054000	USD
CY2010Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	943000	USD
CY2011Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7440000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4509000	USD
CY2009Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	36186000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-2931000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	6497000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-35243000	USD
CY2012Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.52
CY2011	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.44
CY2010	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.36
CY2012Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2011Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	2.50
CY2012Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2011Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	75000000	shares
CY2012Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41619633	shares
CY2011Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41421786	shares
CY2009Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41586000	shares
CY2010Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	41174000	shares
CY2012Q3	us-gaap	Common Stock Value CommonStockValue	110956000	USD
CY2011Q3	us-gaap	Common Stock Value CommonStockValue	110258000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	115502000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	92712000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	102702000	USD
CY2012	us-gaap	Concentration Risk Credit Risk Financial Instrument Maximum Exposure ConcentrationRiskCreditRiskFinancialInstrumentMaximumExposure	192416000	USD
CY2011Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	34455000	USD
CY2012Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	20558000	USD
CY2012	us-gaap	Cost Of Goods And Services Energy Commodities And Services CostOfGoodsAndServicesEnergyCommoditiesAndServices	1572949000	USD
CY2011	us-gaap	Cost Of Goods And Services Energy Commodities And Services CostOfGoodsAndServicesEnergyCommoditiesAndServices	2016208000	USD
CY2010	us-gaap	Cost Of Goods And Services Energy Commodities And Services CostOfGoodsAndServicesEnergyCommoditiesAndServices	1591338000	USD
CY2012	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	268459000	USD
CY2012	us-gaap	Deferred Compensation Arrangement With Individual Employer Contribution DeferredCompensationArrangementWithIndividualEmployerContribution	143000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	18757000	USD
CY2011	us-gaap	Deferred Compensation Arrangement With Individual Employer Contribution DeferredCompensationArrangementWithIndividualEmployerContribution	96000	USD
CY2010	us-gaap	Deferred Compensation Arrangement With Individual Employer Contribution DeferredCompensationArrangementWithIndividualEmployerContribution	86000	USD
CY2011	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	534363000	USD
CY2010	us-gaap	Cost Of Natural Gas Purchases CostOfNaturalGasPurchases	576220000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-7343000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14983000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14566000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4025000	USD
CY2010	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-981000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	6618000	USD
CY2011Q3	us-gaap	Customer Advances And Deposits Current CustomerAdvancesAndDepositsCurrent	113776000	USD
CY2012Q3	us-gaap	Customer Advances And Deposits Current CustomerAdvancesAndDepositsCurrent	48452000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	65258000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	30932000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	68458000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5323000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	35034000	USD
CY2012Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	5502000	USD
CY2011Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	7633000	USD
CY2010	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	8527000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	4361000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1301000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	3191000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	3185000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-321283000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-326284000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	17636000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	51746000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	29074000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	1498000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	5451000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	8893000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	0	USD
CY2011Q3	us-gaap	Deferred Tax Assets Regulatory Assets And Liabilities DeferredTaxAssetsRegulatoryAssetsAndLiabilities	1866000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	3353000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	32002000	USD
CY2011Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	3775000	USD
CY2012Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	7666000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	343920000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	373029000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	355306000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities Deferred Expense DeferredTaxLiabilitiesDeferredExpense	327782000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	5461000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	16602000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	4514000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1492000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Prepaid Pension Costs DeferredTaxLiabilitiesPrepaidPensionCosts	8520000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities Prepaid Pension Costs DeferredTaxLiabilitiesPrepaidPensionCosts	4914000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	258501000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	284871000	USD
CY2012Q3	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	2835000	USD
CY2011Q3	us-gaap	Deferred Tax Liabilities Regulatory Assets And Liabilities DeferredTaxLiabilitiesRegulatoryAssetsAndLiabilities	0	USD
CY2012Q3	us-gaap	Defined Benefit Plan Debt Securities DefinedBenefitPlanDebtSecurities	0.40
CY2011Q3	us-gaap	Defined Benefit Plan Debt Securities DefinedBenefitPlanDebtSecurities	0.47
CY2013	us-gaap	Defined Benefit Plan Target Allocation Percentage Of Assets Debt Securities DefinedBenefitPlanTargetAllocationPercentageOfAssetsDebtSecurities	0.41
CY2011Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00
CY2012Q3	us-gaap	Defined Benefit Plan Weighted Average Asset Allocations DefinedBenefitPlanWeightedAverageAssetAllocations	1.00
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1700000	USD
CY2010	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1400000	USD
CY2011	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1500000	USD
CY2012	us-gaap	Depreciation And Amortization DepreciationAndAmortization	41643000	USD
CY2010	us-gaap	Depreciation And Amortization DepreciationAndAmortization	32267000	USD
CY2011	us-gaap	Depreciation And Amortization DepreciationAndAmortization	34370000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	41643000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	35200000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	33192000	USD
CY2011Q3	us-gaap	Derivative Assets DerivativeAssets	106853000	USD
CY2012Q3	us-gaap	Derivative Assets DerivativeAssets	50349000	USD
CY2012Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	48021000	USD
CY2011Q3	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	100338000	USD
CY2012Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	2328000	USD
CY2011Q3	us-gaap	Derivative Assets Noncurrent DerivativeAssetsNoncurrent	6515000	USD
CY2012Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	45573000	USD
CY2011Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	75039000	USD
CY2012Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	42440000	USD
CY2011Q3	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	68698000	USD
CY2011Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	6341000	USD
CY2012Q3	us-gaap	Derivative Liabilities Noncurrent DerivativeLiabilitiesNoncurrent	3133000	USD
CY2011Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	4100000	USD
CY2012Q3	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	1600000	USD
CY2010	us-gaap	Dividends Cash DividendsCash	56213000	USD
CY2011	us-gaap	Dividends Cash DividendsCash	59552000	USD
CY2012	us-gaap	Dividends Cash DividendsCash	63976000	USD
CY2011Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	14912000	USD
CY2012Q3	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	16648000	USD
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.45
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.84
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.24
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.25
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2010Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.38
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.21
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.18
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.55
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.31
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.82
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.23
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.18
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.21
CY2010Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.25
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.54
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.38
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.077
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.271
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.355
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2012Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	2200000	USD
CY2011	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1163000	USD
CY2012	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1078000	USD
CY2010	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	1084000	USD
CY2011Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	294475000	USD
CY2012Q3	us-gaap	Energy Related Inventory Natural Gas In Storage EnergyRelatedInventoryNaturalGasInStorage	265193000	USD
CY2011Q3	us-gaap	Equity Method Investments EquityMethodInvestments	159063000	USD
CY2012Q3	us-gaap	Equity Method Investments EquityMethodInvestments	155795000	USD
CY2011	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	2007000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	172132000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	780000	USD
CY2010	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	669000	USD
CY2010	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	56823000	USD
CY2012	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	45787000	USD
CY2011	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	66910000	USD
CY2011	us-gaap	Excise Taxes Collected ExciseTaxesCollected	9000000	USD
CY2010	us-gaap	Excise Taxes Collected ExciseTaxesCollected	8300000	USD
CY2012	us-gaap	Excise Taxes Collected ExciseTaxesCollected	6000000	USD
CY2012Q3	us-gaap	Foreign Currency Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months	18000	USD
CY2011Q3	us-gaap	Gas Purchase Payable Current GasPurchasePayableCurrent	252691000	USD
CY2012Q3	us-gaap	Gas Purchase Payable Current GasPurchasePayableCurrent	182414000	USD
CY2012Q3	us-gaap	Good Faith And Margin Deposits With Broker Dealers GoodFaithAndMarginDepositsWithBrokerDealers	21929000	USD
CY2011Q3	us-gaap	Good Faith And Margin Deposits With Broker Dealers GoodFaithAndMarginDepositsWithBrokerDealers	22595000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	127125000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	89974000	USD
CY2010	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10017000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	10634000	USD
CY2011	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	11839000	USD
CY2010	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-839000	USD
CY2012	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-6799000	USD
CY2011	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-2791000	USD
CY2011Q3	us-gaap	Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority	2400000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	64692000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	37665000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7729000	USD
CY2010	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	63753000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	35213000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	48638000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-2558000	USD
CY2010	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-1986000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-3999000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-966000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-496000	USD
CY2010	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1023000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3435000	USD
CY2010	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4626000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5434000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	34397000	USD
CY2010	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	769000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	13150000	USD
CY2011	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	9600000	USD
CY2012	us-gaap	Income Tax Reconciliation Tax Credits Investment IncomeTaxReconciliationTaxCreditsInvestment	27100000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	10053000	USD
CY2011	us-gaap	Income Taxes Paid IncomeTaxesPaid	5165000	USD
CY2010	us-gaap	Income Taxes Paid IncomeTaxesPaid	24177000	USD
CY2010	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	291000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4469000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3418000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-36670000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	49473000	USD
CY2010	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	66189000	USD
CY2010	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	2165000	USD
CY2012	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	638000	USD
CY2012	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-65324000	USD
CY2011	us-gaap	Increase Decrease In Allowance For Equity Funds Used During Construction IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction	2100000	USD
CY2011	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	21819000	USD
CY2010	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	18740000	USD
CY2010	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	38743000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-40363000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-28814000	USD
CY2010	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	35297000	USD
CY2012	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	95357000	USD
CY2011	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	-43748000	USD
CY2011	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-7081000	USD
CY2010	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-3525000	USD
CY2012	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	20539000	USD
CY2011	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	11744000	USD
CY2012	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	26931000	USD
CY2010	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1691000	USD
CY2010	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2035000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	33838000	USD
CY2011	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3667000	USD
CY2010	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	35468000	USD
CY2012	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	666000	USD
CY2011	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-31813000	USD
CY2012	us-gaap	Increase Decrease In Recoverable Refundable Gas Costs IncreaseDecreaseInRecoverableRefundableGasCosts	11686000	USD
CY2011	us-gaap	Increase Decrease In Recoverable Refundable Gas Costs IncreaseDecreaseInRecoverableRefundableGasCosts	-41118000	USD
CY2010	us-gaap	Increase Decrease In Recoverable Refundable Gas Costs IncreaseDecreaseInRecoverableRefundableGasCosts	72688000	USD
CY2012	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	802000	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-58000	USD
CY2010	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	445000	USD
CY2010	us-gaap	Interest Expense InterestExpense	21251000	USD
CY2011	us-gaap	Interest Expense InterestExpense	19623000	USD
CY2012	us-gaap	Interest Expense InterestExpense	20844000	USD
CY2011	us-gaap	Interest Paid Net InterestPaidNet	17323000	USD
CY2010	us-gaap	Interest Paid Net InterestPaidNet	14665000	USD
CY2012	us-gaap	Interest Paid Net InterestPaidNet	16670000	USD
CY2012	us-gaap	Investment Income Interest InvestmentIncomeInterest	1026000	USD
CY2011	us-gaap	Investment Income Interest InvestmentIncomeInterest	1216000	USD
CY2010	us-gaap	Investment Income Interest InvestmentIncomeInterest	2018000	USD
CY2011Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	159063000	USD
CY2012Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	164595000	USD
CY2011Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2649444000	USD
CY2012Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2770005000	USD
CY2011Q3	us-gaap	Liabilities Current LiabilitiesCurrent	703384000	USD
CY2012Q3	us-gaap	Liabilities Current LiabilitiesCurrent	653139000	USD
CY2011Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	743006000	USD
CY2012Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	777832000	USD
CY2011Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	426797000	USD
CY2012Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	525169000	USD
CY2012Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	7760000	USD
CY2011Q3	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	7575000	USD
CY2012	us-gaap	Maximum Length Of Time Hedged In Foreign Currency Cash Flow Hedge MaximumLengthOfTimeHedgedInForeignCurrencyCashFlowHedge	April 2015
CY2012	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 (NJR or the Company) provides regulated gas distribution services and certain non-regulated 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 (NJNG) provides natural gas utility service to approximately </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">500,100</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 New Jersey Board of Public Utilities (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:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR Clean Energy Ventures (NJRCEV) comprises the Clean Energy Ventures segment and reports the results of operations and assets related to the Company's capital investments in renewable energy projects, including commercial and residential solar projects and on-shore 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 Energy Services Company (NJRES) comprises the Energy Services segment that maintains and transacts around a portfolio of natural gas storage and transportation positions and provides 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:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">NJR Energy Holdings Corporation (NJREH) primarily invests in energy-related ventures through its subsidiaries, NJNR Pipeline Company (Pipeline), which holds the Company's </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">5.53 percent</font><font style="font-family:inherit;font-size:10pt;"> ownership interest in Iroquois Gas Transmission L.P. (Iroquois), and 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 GP, LLC and Steckman Ridge, LP (collectively, Steckman Ridge). Iroquois and Steckman Ridge comprise the Energy Holdings segment (previously Midstream Assets); and</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 (Retail Holdings) has two principal subsidiaries, NJR Home Services Company (NJRHS) and Commercial Realty & Resources Corporation (CR&R). Retail Holdings and NJR Energy Corporation (NJR Energy) are included in Retail and Other operations.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div></div>
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-68527000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	163105000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-73255000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-217117000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-101403000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-175077000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	139415000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	250101000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	51081000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	117457000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	92879000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	101299000	USD
CY2010Q4	us-gaap	Net Income Loss NetIncomeLoss	24509000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	54535000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	-8693000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	-10320000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	-7511000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	57357000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	63927000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	20374000	USD
CY2012Q3	us-gaap	Notional Amount Of Foreign Currency Derivatives NotionalAmountOfForeignCurrencyDerivatives	8400000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	2140233000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	2866208000	USD
CY2010	us-gaap	Operating Expenses OperatingExpenses	2451179000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	188125000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	108690000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	143001000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-19911000	USD
CY2011Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-17646000	USD
CY2011Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	75218000	USD
CY2011Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	93202000	USD
CY2011Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	27182000	USD
CY2010Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	40263000	USD
CY2012Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-14306000	USD
CY2011Q3	us-gaap	Other Assets Current OtherAssetsCurrent	14698000	USD
CY2012Q3	us-gaap	Other Assets Current OtherAssetsCurrent	33229000	USD
CY2012Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	29598000	USD
CY2011Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	21387000	USD
CY2010	us-gaap	Other Comprehensive Income Available For Sale Securities Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesTax	-1066000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-436000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	1219000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease	-3402000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax OtherComprehensiveIncomeDefinedBenefitPlansTax	345000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax OtherComprehensiveIncomeDefinedBenefitPlansTax	-567000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax OtherComprehensiveIncomeDefinedBenefitPlansTax	1464000	USD
CY2012	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	71000	USD
CY2011	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-84000	USD
CY2010	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	69000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-1955000	USD
CY2012Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	67689000	USD
CY2011	us-gaap	Other Comprehensive Income Available For Sale Securities Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesTax	-24000	USD
CY2012	us-gaap	Other Comprehensive Income Available For Sale Securities Tax OtherComprehensiveIncomeAvailableForSaleSecuritiesTax	-270000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	-167000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax Period Increase Decrease OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease	1403000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	146000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-97000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-122000	USD
CY2010	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1544000	USD
CY2011	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	38000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	391000	USD
CY2012	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	171045000	USD
CY2011	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	163111000	USD
CY2010	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	148565000	USD
CY2011Q3	us-gaap	Other Inventory OtherInventory	7395000	USD
CY2012Q3	us-gaap	Other Inventory OtherInventory	7863000	USD
CY2012Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	6730000	USD
CY2011Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	5822000	USD
CY2010	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5258000	USD
CY2011	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	3747000	USD
CY2012	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2128000	USD
CY2012Q4	us-gaap	Other Receivables From Broker Dealers And Clearing Organizations OtherReceivablesFromBrokerDealersAndClearingOrganizations	18500000	USD
CY2010	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	3824000	USD
CY2011	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	14115000	USD
CY2012	us-gaap	Payments For Environmental Liabilities PaymentsForEnvironmentalLiabilities	7965000	USD
CY2012	us-gaap	Payments For Proceeds From Removal Costs PaymentsForProceedsFromRemovalCosts	12178000	USD
CY2010	us-gaap	Payments For Proceeds From Removal Costs PaymentsForProceedsFromRemovalCosts	7201000	USD
CY2011	us-gaap	Payments For Proceeds From Removal Costs PaymentsForProceedsFromRemovalCosts	8369000	USD
CY2010	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	29650000	USD
CY2011	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	58650000	USD
CY2012	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	61688000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	8768000	USD
CY2011	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	10193000	USD
CY2010	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	4200000	USD
CY2012	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
CY2010	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	721000	USD
CY2010	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	53137000	USD
CY2010	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	4300000	USD
CY2011	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2012	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	8800000	USD
CY2012	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	89726000	USD
CY2011	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	71989000	USD
CY2010	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	2641000	USD
CY2010	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	917000	USD
CY2011	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	3549000	USD
CY2012	us-gaap	Payments To Acquire Other Property Plant And Equipment PaymentsToAcquireOtherPropertyPlantAndEquipment	1334000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	104277000	USD
CY2010	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	86620000	USD
CY2011	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	93624000	USD
CY2010	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	19567000	USD
CY2012	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	25874000	USD
CY2011	us-gaap	Pension And Other Postretirement Benefit Contributions PensionAndOtherPostretirementBenefitContributions	11496000	USD
CY2012Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	124196000	USD
CY2011Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	114305000	USD
CY2011Q3	us-gaap	Prepaid Taxes PrepaidTaxes	54311000	USD
CY2012Q3	us-gaap	Prepaid Taxes PrepaidTaxes	32029000	USD
CY2012Q3	us-gaap	Prescription Drug Subsidy Receipts Five Fiscal Years Thereafter PrescriptionDrugSubsidyReceiptsFiveFiscalYearsThereafter	2010000	USD
CY2012Q3	us-gaap	Prescription Drug Subsidy Receipts Year Five PrescriptionDrugSubsidyReceiptsYearFive	305000	USD
CY2012Q3	us-gaap	Prescription Drug Subsidy Receipts Year Four PrescriptionDrugSubsidyReceiptsYearFour	280000	USD
CY2012Q3	us-gaap	Prescription Drug Subsidy Receipts Year One PrescriptionDrugSubsidyReceiptsYearOne	220000	USD
CY2012Q3	us-gaap	Prescription Drug Subsidy Receipts Year Three PrescriptionDrugSubsidyReceiptsYearThree	257000	USD
CY2012Q3	us-gaap	Prescription Drug Subsidy Receipts Year Two PrescriptionDrugSubsidyReceiptsYearTwo	237000	USD
CY2011	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	13704000	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	13834000	USD
CY2010	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	6487000	USD
CY2010	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2011	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	97045000	USD
CY2012	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	100000000	USD
CY2011	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2010	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2011	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	11750000	USD
CY2012	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	120450000	USD
CY2011	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	0	USD
CY2012Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	102420000	USD
CY2010	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3307000	USD
CY2012	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	638000	USD
CY2010	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	2165000	USD
CY2011	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Cost Of Equity PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity	2100000	USD
CY2012	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	300000	USD
CY2011	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	1020000	USD
CY2010	us-gaap	Public Utilities Allowance For Funds Used During Construction Capitalized Interest PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest	978000	USD
CY2011Q3	us-gaap	Public Utilities Property Plant And Equipment Construction Work In Progress PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress	92827000	USD
CY2010Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	713152000	USD
CY2012Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	612921000	USD
CY2012Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	425121000	USD
CY2011Q4	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	642411000	USD
CY2012Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	568470000	USD
CY2012	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	627713000	USD
CY2010	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	937433000	USD
CY2011	us-gaap	Regulated Operating Revenue Gas RegulatedOperatingRevenueGas	971724000	USD
CY2012Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	32734000	USD
CY2011Q3	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	17630000	USD
CY2012Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	441263000	USD
CY2011Q3	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	434185000	USD
CY2011Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	4633000	USD
CY2012	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2010	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2011	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2396000	USD
CY2011Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1706164000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1906536000	USD
CY2011Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1295927000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1484877000	USD
CY2012Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	192026000	USD
CY2011Q3	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	76431000	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3932000	USD
CY2011	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4865000	USD
CY2010	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0224
CY2012	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0238
CY2011	us-gaap	Public Utilities Property Plant And Equipment Disclosure Of Composite Depreciation Rate For Plants In Service PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService	0.0239
CY2012Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1591532000	USD
CY2011Q3	us-gaap	Public Utilities Property Plant And Equipment Plant In Service PublicUtilitiesPropertyPlantAndEquipmentPlantInService	1502451000	USD
CY2011	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	3009209000	USD
CY2012	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2248923000	USD
CY2010	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	2639304000	USD
CY2011Q1	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	976987000	USD
CY2011Q2	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	648169000	USD
CY2011Q3	us-gaap	Regulated And Unregulated Operating Revenue RegulatedAndUnregulatedOperatingRevenue	670901000	USD
CY2012Q3	us-gaap	Regulatory Liability Current RegulatoryLiabilityCurrent	1169000	USD
CY2012Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	67077000	USD
CY2011Q3	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	59837000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	130091000	USD
CY2010	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	6749000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8025000	USD
CY2011Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	387000	USD
CY2012Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	1189000	USD
CY2012Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	557665000	USD
CY2011Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	528762000	USD
CY2010	us-gaap	Sale Leaseback Transaction Net Proceeds SaleLeasebackTransactionNetProceeds	4925000	USD
CY2011	us-gaap	Sale Leaseback Transaction Net Proceeds SaleLeasebackTransactionNetProceeds	5901000	USD
CY2012	us-gaap	Sale Leaseback Transaction Net Proceeds SaleLeasebackTransactionNetProceeds	6522000	USD
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	917	shares
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	18.32
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	263128	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	81625	shares
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	109763	shares
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	27.24
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	28.71
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	27.84
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	26.86
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	25.30
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	23.20
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	2026	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	18.11
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.00
CY2010	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2011	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.00
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	109763	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	81625	shares
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	263128	shares
CY2009Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	333461	shares
CY2012Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	28.71
CY2010Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	27.24
CY2011Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	27.84
CY2009Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.36
CY2012	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm	2.3	years
CY2012Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	2348000	USD
CY2011Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	159350000	USD
CY2012Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	279800000	USD
CY2010	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	289000	shares
CY2012	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	445000	shares
CY2011	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	621000	shares
CY2011	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	152448	shares
CY2010	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	68307	shares
CY2012	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	28138	shares
CY2011	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	24128000	USD
CY2010	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	7672000	USD
CY2012	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	18641000	USD
CY2011Q3	us-gaap	Stockholders Equity StockholdersEquity	776257000	USD
CY2012Q3	us-gaap	Stockholders Equity StockholdersEquity	813865000	USD
CY2009Q3	us-gaap	Stockholders Equity StockholdersEquity	689726000	USD
CY2010Q3	us-gaap	Stockholders Equity StockholdersEquity	725483000	USD
CY2011Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2808093	shares
CY2012Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	2763659	shares
CY2010	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	701000	shares
CY2012	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	247000	shares
CY2011	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	373000	shares
CY2011Q3	us-gaap	Treasury Stock Value TreasuryStockValue	117683000	USD
CY2012Q3	us-gaap	Treasury Stock Value TreasuryStockValue	116551000	USD
CY2011	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	18511000	USD
CY2012	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	10549000	USD
CY2010	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	31530000	USD
CY2011Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	7333000	USD
CY2012Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	7017000	USD
CY2011	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-36876000	USD
CY2010	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	27392000	USD
CY2011	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	2037485000	USD
CY2012	us-gaap	Unrealized Gain Loss On Derivatives UnrealizedGainLossOnDerivatives	-35789000	USD
CY2010	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1701871000	USD
CY2012	us-gaap	Unregulated Operating Revenue UnregulatedOperatingRevenue	1621210000	USD
CY2012	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%;text-align:justify;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><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 bases its estimates 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%;text-align:justify;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><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 estimated, in which case it is NJR's policy to accrue the full amount of such estimate. 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>
CY2010	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	45966000	USD
CY2011	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	51246000	USD
CY2012	us-gaap	Utilities Operating Expense Other UtilitiesOperatingExpenseOther	40350000	USD
CY2010	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	266000	shares
CY2011	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	209000	shares
CY2012	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	105000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41632000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41568000	shares
CY2010	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41630000	shares
CY2010	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41364000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41527000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41359000	shares
CY2010	njr	Afudc Weighted Average Rate AfudcWeightedAverageRate	0.0739
CY2012	njr	Afudc Weighted Average Rate AfudcWeightedAverageRate	0.0147
CY2011	njr	Afudc Weighted Average Rate AfudcWeightedAverageRate	0.0521
CY2012Q4	njr	Cash Distributions Received From Claim Allowed In Liquidation Proceedings CashDistributionsReceivedFromClaimAllowedInLiquidationProceedings	17100000	USD
CY2011Q3	njr	Clean Energy Program Current CleanEnergyProgramCurrent	15011000	USD
CY2012Q3	njr	Clean Energy Program Noncurrent CleanEnergyProgramNoncurrent	0	USD
CY2011Q3	njr	Clean Energy Program Noncurrent CleanEnergyProgramNoncurrent	5133000	USD
CY2012	njr	Current Charges Recoverable Through Bgss CurrentChargesRecoverableThroughBgss	91000000	USD
CY2011	njr	Deferred Interest DeferredInterest	1100000	USD
CY2012	njr	Deferred Interest DeferredInterest	878000	USD
CY2012Q3	njr	Clean Energy Program Current CleanEnergyProgramCurrent	5619000	USD
CY2010	njr	Deferred Interest DeferredInterest	1700000	USD
CY2011Q3	njr	Deferred Tax Liabilities Conservation Incentive Plan DeferredTaxLiabilitiesConservationIncentivePlan	3697000	USD
CY2012Q3	njr	Deferred Tax Liabilities Conservation Incentive Plan DeferredTaxLiabilitiesConservationIncentivePlan	11200000	USD
CY2011Q3	njr	Deferred Tax Liabilities Remediation Costs DeferredTaxLiabilitiesRemediationCosts	30459000	USD
CY2012Q3	njr	Deferred Tax Liabilities Remediation Costs DeferredTaxLiabilitiesRemediationCosts	24018000	USD
CY2012Q3	njr	Deferred Tax Liability Equity Method Investments DeferredTaxLiabilityEquityMethodInvestments	31610000	USD
CY2011Q3	njr	Deferred Tax Liability Equity Method Investments DeferredTaxLiabilityEquityMethodInvestments	28255000	USD
CY2012	njr	Defined Benefit Plan Desired Rate Of Return Before Permissible Expense After Inflation DefinedBenefitPlanDesiredRateOfReturnBeforePermissibleExpenseAfterInflation	0.08
CY2013	njr	Defined Benefit Target Allocation Assets DefinedBenefitTargetAllocationAssets	1.00
CY2012	njr	Defined Contribution Plan Company Match Of Employee Contribution DefinedContributionPlanCompanyMatchOfEmployeeContribution	0.50
CY2012	njr	Defined Contribution Plan Maximum Employer Contribution By Percentage Of Employee Salary DefinedContributionPlanMaximumEmployerContributionByPercentageOfEmployeeSalary	0.06
CY2012	njr	Demand Fees DemandFees	216500000	USD
CY2011	njr	Demand Fees DemandFees	211200000	USD
CY2010	njr	Demand Fees DemandFees	203700000	USD
CY2010	njr	Effects Of Economic Hedging Related To Natural Gas Inventory Net Of Taxes EffectsOfEconomicHedgingRelatedToNaturalGasInventoryNetOfTaxes	1132000	USD
CY2011	njr	Effects Of Economic Hedging Related To Natural Gas Inventory Net Of Taxes EffectsOfEconomicHedgingRelatedToNaturalGasInventoryNetOfTaxes	-18086000	USD
CY2012	njr	Effects Of Economic Hedging Related To Natural Gas Inventory Net Of Taxes EffectsOfEconomicHedgingRelatedToNaturalGasInventoryNetOfTaxes	-3093000	USD
CY2012	njr	Estimated Capital Expenditures Subsequent Fiscal Year EstimatedCapitalExpendituresSubsequentFiscalYear	119300000	USD
CY2012	njr	Estimated Capital Expenditures Two Years Subsequent To Fiscal Year EstimatedCapitalExpendituresTwoYearsSubsequentToFiscalYear	119900000	USD
CY2012	njr	Future Accretion FutureAccretion	10013000	USD
CY2012	njr	Future Accretion Year Five FutureAccretionYearFive	2121000	USD
CY2012	njr	Future Accretion Year Four FutureAccretionYearFour	2069000	USD
CY2012	njr	Future Accretion Year One FutureAccretionYearOne	1866000	USD
CY2012	njr	Future Accretion Year Three FutureAccretionYearThree	2009000	USD
CY2012	njr	Future Accretion Year Two FutureAccretionYearTwo	1948000	USD
CY2011Q3	njr	Gas Stored Underground Bcf GasStoredUndergroundBcf	59900
CY2012Q3	njr	Gas Stored Underground Bcf GasStoredUndergroundBcf	67700
CY2012Q3	njr	Gross Margin GrossMargin	45155000	USD
CY2011Q4	njr	Gross Margin GrossMargin	120364000	USD
CY2010Q4	njr	Gross Margin GrossMargin	82659000	USD
CY2012Q1	njr	Gross Margin GrossMargin	115068000	USD
CY2011Q3	njr	Gross Margin GrossMargin	36520000	USD
CY2011Q2	njr	Gross Margin GrossMargin	71237000	USD
CY2012Q2	njr	Gross Margin GrossMargin	28713000	USD
CY2011Q1	njr	Gross Margin GrossMargin	136572000	USD
CY2011	njr	Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority Per Share IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthorityPerShare	0.06
CY2010	njr	Income Tax Reconciliation Basis Adjustment IncomeTaxReconciliationBasisAdjustment	91000	USD
CY2012	njr	Income Tax Reconciliation Basis Adjustment IncomeTaxReconciliationBasisAdjustment	5974000	USD
CY2011	njr	Income Tax Reconciliation Basis Adjustment IncomeTaxReconciliationBasisAdjustment	2266000	USD
CY2010	njr	Increase Decrease In Gas Purchases Payable IncreaseDecreaseInGasPurchasesPayable	100290000	USD
CY2012	njr	Increase Decrease In Gas Purchases Payable IncreaseDecreaseInGasPurchasesPayable	-70277000	USD
CY2011	njr	Increase Decrease In Gas Purchases Payable IncreaseDecreaseInGasPurchasesPayable	22289000	USD
CY2011	njr	Increase Decrease In Prepaid And Accrued Taxes IncreaseDecreaseInPrepaidAndAccruedTaxes	-8691000	USD
CY2010	njr	Increase Decrease In Prepaid And Accrued Taxes IncreaseDecreaseInPrepaidAndAccruedTaxes	-10431000	USD
CY2012	njr	Increase Decrease In Prepaid And Accrued Taxes IncreaseDecreaseInPrepaidAndAccruedTaxes	23036000	USD
CY2012Q3	njr	Mf Global Potential Segregation And Compliance Shortfalls MfGlobalPotentialSegregationAndComplianceShortfalls	1600000000	USD
CY2011	njr	Net Financial Earnings Loss NetFinancialEarningsLoss	106533000	USD
CY2010	njr	Net Financial Earnings Loss NetFinancialEarningsLoss	101764000	USD
CY2012	njr	Net Financial Earnings Loss NetFinancialEarningsLoss	112417000	USD
CY2012	njr	Operating Loss Carryforward Expiration Terms OperatingLossCarryforwardExpirationTerms	20	years
CY2012	njr	Payments To Acquire Equity Investments PaymentsToAcquireEquityInvestments	8800000	USD
CY2011	njr	Payments To Acquire Equity Investments PaymentsToAcquireEquityInvestments	0	USD
CY2010	njr	Payments To Acquire Equity Investments PaymentsToAcquireEquityInvestments	4300000	USD
CY2011Q3	njr	Receivable By Subsidiary Percentage ReceivableBySubsidiaryPercentage	1.00
CY2012Q3	njr	Receivable By Subsidiary Percentage ReceivableBySubsidiaryPercentage	1.00
CY2012	njr	Regulatory Costs Approved RegulatoryCostsApproved	308000	USD
CY2011	njr	Regulatory Costs Approved RegulatoryCostsApproved	609000	USD
CY2012	njr	Regulatory Liability Amortization Period RegulatoryLiabilityAmortizationPeriod	48	years
CY2010	njr	Sales Tax SalesTax	41600000	USD
CY2011	njr	Sales Tax SalesTax	50700000	USD
CY2012	njr	Sales Tax SalesTax	32300000	USD
CY2011	njr	Sales Tax Excise Tax And Assessments SalesTaxExciseTaxAndAssessments	59700000	USD
CY2012	njr	Sales Tax Excise Tax And Assessments SalesTaxExciseTaxAndAssessments	38300000	USD
CY2010	njr	Sales Tax Excise Tax And Assessments SalesTaxExciseTaxAndAssessments	49900000	USD
CY2012	njr	Tax Credit Carryforward Expiration Terms TaxCreditCarryforwardExpirationTerms	20	years
CY2012	njr	Taxes Related To Effects Of Economic Hedging Related To Natural Gas Inventory TaxesRelatedToEffectsOfEconomicHedgingRelatedToNaturalGasInventory	-1800000	USD
CY2010	njr	Taxes Related To Effects Of Economic Hedging Related To Natural Gas Inventory TaxesRelatedToEffectsOfEconomicHedgingRelatedToNaturalGasInventory	1300000	USD
CY2011	njr	Taxes Related To Effects Of Economic Hedging Related To Natural Gas Inventory TaxesRelatedToEffectsOfEconomicHedgingRelatedToNaturalGasInventory	-10500000	USD
CY2011	njr	Taxes Related To Unrealized Loss Gain From Derivative Instruments And Related Transactions TaxesRelatedToUnrealizedLossGainFromDerivativeInstrumentsAndRelatedTransactions	13400000	USD
CY2010	njr	Taxes Related To Unrealized Loss Gain From Derivative Instruments And Related Transactions TaxesRelatedToUnrealizedLossGainFromDerivativeInstrumentsAndRelatedTransactions	-10000000	USD
CY2012	njr	Taxes Related To Unrealized Loss Gain From Derivative Instruments And Related Transactions TaxesRelatedToUnrealizedLossGainFromDerivativeInstrumentsAndRelatedTransactions	13000000	USD
CY2012	njr	Total Retail Customers TotalRetailCustomers	500141	Customers
CY2012	njr	Unrealized Loss Gain From Derivative Instruments And Related Transactions Net Of Taxes UnrealizedLossGainFromDerivativeInstrumentsAndRelatedTransactionsNetOfTaxes	22631000	USD
CY2011	njr	Unrealized Loss Gain From Derivative Instruments And Related Transactions Net Of Taxes UnrealizedLossGainFromDerivativeInstrumentsAndRelatedTransactionsNetOfTaxes	23320000	USD
CY2010	njr	Unrealized Loss Gain From Derivative Instruments And Related Transactions Net Of Taxes UnrealizedLossGainFromDerivativeInstrumentsAndRelatedTransactionsNetOfTaxes	-16825000	USD
CY2012	dei	Amendment Flag AmendmentFlag	false
CY2012	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
CY2012	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2012	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2012
CY2012	dei	Document Period End Date DocumentPeriodEndDate	2012-09-30
CY2012	dei	Document Type DocumentType	10-K
CY2012	dei	Entity Central Index Key EntityCentralIndexKey	0000356309
CY2012Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	41689123	shares
CY2012	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2012	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2012Q1	dei	Entity Public Float EntityPublicFloat	1826834224	USD
CY2012	dei	Entity Registrant Name EntityRegistrantName	NEW JERSEY RESOURCES CORP
CY2012	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2012	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes

Files In Submission

Name	View Source	Status
0000356309-12-000060-index-headers.html	Edgar Link	pending
0000356309-12-000060-index.html	Edgar Link	pending
0000356309-12-000060.txt	Edgar Link	pending
0000356309-12-000060-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
njr-20120930.xml	Edgar Link	completed
njr-20120930.xsd	Edgar Link	pending
njr-20120930_cal.xml	Edgar Link	unprocessable
njr-20120930_def.xml	Edgar Link	unprocessable
njr-20120930_lab.xml	Edgar Link	unprocessable
njr-20120930_pre.xml	Edgar Link	unprocessable
njr10ksep2012.htm	Edgar Link	pending
njrex211sep2012.htm	Edgar Link	pending
njrex231sep2012.htm	Edgar Link	pending
njrex311sep2012.htm	Edgar Link	pending
njrex312sep2012.htm	Edgar Link	pending
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$NJR
NEW JERSEY RESOURCES CORP Stock $njr

2011 Q3 Form 10-K Financial Statement

#000035630912000060 Filed on November 29, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NJR NEW JERSEY RESOURCES CORP Stock $njr

2011 Q3 Form 10-K Financial Statement

#000035630912000060 Filed on November 29, 2012

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NJR
NEW JERSEY RESOURCES CORP Stock $njr