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CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
CASH FLOWS FROM (USED IN) OPERATING ACTIVITIES |  |
Net income | $ 123,320 us-gaap_NetIncomeLoss | $ 7,693 us-gaap_NetIncomeLoss
Adjustments to reconcile net income to cash flows from operating activities: |  |
Unrealized (gain) loss on derivative instruments | (88,673)us-gaap_UnrealizedGainLossOnDerivatives | 65,654 us-gaap_UnrealizedGainLossOnDerivatives
Depreciation and amortization | 14,386 us-gaap_DepreciationDepletionAndAmortization | 12,566 us-gaap_DepreciationDepletionAndAmortization
Allowance for equity used during construction | (1,253)us-gaap_IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction | (213)us-gaap_IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction
Allowance for bad debt expense | 964 us-gaap_ProvisionForDoubtfulAccounts | 414 us-gaap_ProvisionForDoubtfulAccounts
Deferred income taxes | 35,897 us-gaap_DeferredIncomeTaxExpenseBenefit | (16,506)us-gaap_DeferredIncomeTaxExpenseBenefit
Manufactured gas plant remediation costs | (1,008)us-gaap_PaymentsForEnvironmentalLiabilities | (1,132)us-gaap_PaymentsForEnvironmentalLiabilities
Equity in earnings of equity investees, net of distributions received | 2,146 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions | 1,521 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
Cost of removal - asset retirement obligations | (105)us-gaap_AssetRetirementObligationCashPaidToSettle | (47)us-gaap_AssetRetirementObligationCashPaidToSettle
Contributions to postemployment benefit plans | (69)us-gaap_PensionAndOtherPostretirementBenefitContributions | (1,559)us-gaap_PensionAndOtherPostretirementBenefitContributions
Changes in: |  |
Components of working capital | (75,089)us-gaap_IncreaseDecreaseInOperatingCapital | (145,315)us-gaap_IncreaseDecreaseInOperatingCapital
Other noncurrent assets | 13,489 us-gaap_IncreaseDecreaseInOtherNoncurrentAssets | (1,427)us-gaap_IncreaseDecreaseInOtherNoncurrentAssets
Other noncurrent liabilities | 16,844 us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities | 9,534 us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities
Cash flows from (used in) operating activities | 40,849 us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations | (68,817)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
CASH FLOWS (USED IN) FROM INVESTING ACTIVITIES |  |
Utility plant expenditures | (34,114)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment | (30,277)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Solar and wind equipment expenditures | (55,345)us-gaap_PaymentsToAcquireOtherProductiveAssets | (24,917)us-gaap_PaymentsToAcquireOtherProductiveAssets
Real estate properties and other expenditures | (11)us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment | (205)us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment
Cost of removal expenditures | (2,634)us-gaap_PaymentsForProceedsFromRemovalCosts | (5,124)us-gaap_PaymentsForProceedsFromRemovalCosts
Investments in equity investees | (547)us-gaap_PaymentsToAcquireEquityMethodInvestments | 0 us-gaap_PaymentsToAcquireEquityMethodInvestments
Distribution from equity investees in excess of equity in earnings | 470 us-gaap_EquityMethodInvestmentDividendsOrDistributions | 395 us-gaap_EquityMethodInvestmentDividendsOrDistributions
Proceeds from sale of asset | 0 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment | 6,000 us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Withdrawal from restricted cash construction fund | (25)us-gaap_IncreaseDecreaseInRestrictedCash | 85 us-gaap_IncreaseDecreaseInRestrictedCash
Cash flows (used in) investing activities | (92,206)us-gaap_NetCashProvidedByUsedInInvestingActivities | (54,043)us-gaap_NetCashProvidedByUsedInInvestingActivities
CASH FLOWS FROM FINANCING ACTIVITIES |  |
Proceeds from issuance of common stock | 24,373 us-gaap_ProceedsFromIssuanceOfCommonStock | 3,557 us-gaap_ProceedsFromIssuanceOfCommonStock
Tax benefit from stock options exercised | 816 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 0 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Proceeds from sale-leaseback transaction | 7,216 us-gaap_SaleLeasebackTransactionNetProceedsFinancingActivities | 7,576 us-gaap_SaleLeasebackTransactionNetProceedsFinancingActivities
Proceeds from long-term debt | 100,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | 0 us-gaap_ProceedsFromIssuanceOfLongTermDebt
Payments of long-term debt | (1,723)us-gaap_RepaymentsOfLongTermDebt | (1,576)us-gaap_RepaymentsOfLongTermDebt
Purchases of treasury stock | (3,945)us-gaap_PaymentsForRepurchaseOfCommonStock | 0 us-gaap_PaymentsForRepurchaseOfCommonStock
Payments of common stock dividends | (18,993)us-gaap_PaymentsOfDividendsCommonStock | (17,617)us-gaap_PaymentsOfDividendsCommonStock
Net (payments) proceeds from short-term debt | (46,804)us-gaap_ProceedsFromRepaymentsOfShortTermDebt | 138,000 us-gaap_ProceedsFromRepaymentsOfShortTermDebt
Cash flows from financing activities | 60,940 us-gaap_NetCashProvidedByUsedInFinancingActivities | 129,940 us-gaap_NetCashProvidedByUsedInFinancingActivities
Change in cash and cash equivalents | 9,583 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease | 7,080 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Cash and cash equivalents at beginning of period | 2,151 us-gaap_CashAndCashEquivalentsAtCarryingValue | 2,969 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash and cash equivalents at end of period | 11,734 us-gaap_CashAndCashEquivalentsAtCarryingValue | 10,049 us-gaap_CashAndCashEquivalentsAtCarryingValue
CHANGES IN COMPONENTS OF WORKING CAPITAL |  |
Receivables | (166,229)us-gaap_IncreaseDecreaseInAccountsReceivable | (180,484)us-gaap_IncreaseDecreaseInAccountsReceivable
Inventories | 8,385 us-gaap_IncreaseDecreaseInInventories | 32,278 us-gaap_IncreaseDecreaseInInventories
Recovery of gas costs | 2,015 us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts | 5,513 us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts
Gas purchases payable | 65,563 njr_IncreaseDecreaseInGasPurchasesPayable | 13,673 njr_IncreaseDecreaseInGasPurchasesPayable
Gas purchases payable - related parties | 184 us-gaap_IncreaseDecreaseInDueFromRelatedPartiesCurrent | 130 us-gaap_IncreaseDecreaseInDueFromRelatedPartiesCurrent
Prepaid and accrued taxes | 14,108 njr_IncreaseDecreaseInPrepaidAndAccruedTaxes | 32,449 njr_IncreaseDecreaseInPrepaidAndAccruedTaxes
Accounts payable and other | (53,852)us-gaap_IncreaseDecreaseInAccountsPayable | (10,052)us-gaap_IncreaseDecreaseInAccountsPayable
Restricted broker margin accounts | 46,550 us-gaap_IncreaseDecreaseInPayablesToBrokerDealers | (46,745)us-gaap_IncreaseDecreaseInPayablesToBrokerDealers
Customers' credit balances and deposits | 14,345 us-gaap_IncreaseDecreaseInCustomerDeposits | 3,988 us-gaap_IncreaseDecreaseInCustomerDeposits
Other current assets | (6,158)us-gaap_IncreaseDecreaseInOtherOperatingAssets | 3,935 us-gaap_IncreaseDecreaseInOtherOperatingAssets
Components of working capital | (75,089)us-gaap_IncreaseDecreaseInOperatingCapital | (145,315)us-gaap_IncreaseDecreaseInOperatingCapital
SUPPLEMENTAL DISCLOSURES OF CASH FLOWS INFORMATION |  |
Cash paid for Interest (net of amounts capitalized) | 1,376 us-gaap_InterestPaidNet | 1,704 us-gaap_InterestPaidNet
Cash paid for Income taxes | 2,228 us-gaap_IncomeTaxesPaid | 137 us-gaap_IncomeTaxesPaid
SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING ACTIVITIES |  |
Accrued capital expenditures | $ 12,107 us-gaap_CapitalExpendituresIncurredButNotYetPaid | $ 1,421 us-gaap_CapitalExpendituresIncurredButNotYetPaid

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- Definition The increase (decrease) during the reporting period in the aggregate amount of obligations incurred arising from transactions with broker-dealers, such as amounts due on margin and unsettled cash transactions; includes payables to brokers, dealers and clearing organizations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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