XML 38 R109.htm IDEA: XBRL DOCUMENT
v3.3.0.814

BUSINESS SEGMENT AND OTHER OPERATIONS DATA, RECONCILIATION OF SEGMENT INCOME TO CONSOLIDATED (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Utility |  |  |  |  |  |  |  |  |  | $ 781,970 | $ 819,415 | $ 787,987
Nonutility |  |  |  |  |  |  |  |  |  | 1,952,017 | 2,918,730 | 2,410,081
Total operating revenues |  | $ 438,306 | $ 458,467 | $ 1,013,090 | $ 824,124 | $ 591,914 | $ 688,257 | $ 1,579,569 | $ 878,405 | 2,733,987 | 3,738,145 | 3,198,068
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 61,399 | 52,742 | 47,310
Interest income | [1] |  |  |  |  |  |  |  |  | 580 | 1,222 | 837
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 27,721 | 25,463 | 23,979
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | 59,724 | 51,840 | 35,575
Equity in earnings of affiliates |  |  |  |  |  |  |  |  |  | 13,409 | 10,532 | 10,349
Net financial earnings |  |  |  |  |  |  |  |  |  | 151,503 | 176,857 | 113,681
Capital expenditures |  |  |  |  |  |  |  |  |  | 320,086 | 289,288 | 197,250
Investments in equity investees |  |  |  |  |  |  |  |  |  | $ 5,780 | $ 555 | $ 0
Canada |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage to total operating revenues |  |  |  |  |  |  |  |  |  | 3.70% | 3.30% | 5.90%
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total operating revenues |  |  |  |  |  |  |  |  |  | $ 2,748,790 | $ 3,764,807 | $ 3,156,553
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 60,478 | 51,900 | 46,526
Interest income | [1] |  |  |  |  |  |  |  |  | 1,777 | 2,171 | 1,719
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 28,095 | 25,104 | 22,878
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | 58,468 | 49,122 | 33,197
Net financial earnings |  |  |  |  |  |  |  |  |  | 148,290 | 174,091 | 110,416
Capital expenditures |  |  |  |  |  |  |  |  |  | 319,877 | 288,109 | 196,208
Operating Segments [Member] | Natural Gas Distribution [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 43,085 | 40,540 | 37,999
Interest income | [1] |  |  |  |  |  |  |  |  | 336 | 999 | 653
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 18,534 | 16,683 | 14,995
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | 39,544 | 39,374 | 35,399
Net financial earnings |  |  |  |  |  |  |  |  |  | 76,287 | 74,204 | 73,846
Capital expenditures |  |  |  |  |  |  |  |  |  | 168,875 | 152,566 | 137,083
Operating Segments [Member] | Natural Gas Distribution [Member] | External Customers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Utility |  |  |  |  |  |  |  |  |  | 781,970 | 819,415 | 787,987
Operating Segments [Member] | Energy Services [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 90 | 59 | 44
Interest income | [1] |  |  |  |  |  |  |  |  | 438 | 222 | 1
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 1,209 | 1,725 | 2,534
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | 39,043 | 26,458 | 10,516
Net financial earnings |  |  |  |  |  |  |  |  |  | 42,122 | 79,735 | 19,311
Operating Segments [Member] | Energy Services [Member] | External Customers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonutility | [2] |  |  |  |  |  |  |  |  | 1,872,781 | 2,858,703 | 2,351,084
Operating Segments [Member] | Energy Services [Member] | Intercompany [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonutility |  |  |  |  |  |  |  |  |  | 61,526 | 72,114 | 5,494
Operating Segments [Member] | Clean Energy Ventures [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 17,297 | 11,295 | 8,477
Interest income | [1] |  |  |  |  |  |  |  |  | 26 | 0 | 0
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 7,635 | 5,300 | 3,387
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | (26,968) | (21,937) | (17,711)
Net financial earnings |  |  |  |  |  |  |  |  |  | 20,101 | 12,654 | 10,060
Capital expenditures |  |  |  |  |  |  |  |  |  | 151,002 | 135,543 | 59,125
Operating Segments [Member] | Clean Energy Ventures [Member] | External Customers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonutility |  |  |  |  |  |  |  |  |  | 32,513 | 14,575 | 11,988
Operating Segments [Member] | Midstream [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 6 | 6 | 6
Interest income | [1] |  |  |  |  |  |  |  |  | 977 | 950 | 1,065
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 717 | 1,396 | 1,962
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | 6,849 | 5,227 | 4,993
Equity in earnings of affiliates |  |  |  |  |  |  |  |  |  | 17,487 | 14,078 | 13,868
Net financial earnings |  |  |  |  |  |  |  |  |  | 9,780 | 7,498 | 7,199
Investments in equity investees |  |  |  |  |  |  |  |  |  | 5,780 | 555 | 0
Operating Segments [Member] | Home Services and Other [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 952 | 846 | 786
Interest income | [1] |  |  |  |  |  |  |  |  | 217 | 1 | 2
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | 49 | 359 | 1,101
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | 1,551 | 2,460 | 2,550
Net financial earnings |  |  |  |  |  |  |  |  |  | 3,420 | 2,798 | 3,292
Capital expenditures |  |  |  |  |  |  |  |  |  | 209 | 1,179 | 1,042
Operating Segments [Member] | Home Services and Other [Member] | External Customers [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonutility |  |  |  |  |  |  |  |  |  | 46,723 | 45,452 | 47,009
Operating Segments [Member] | Home Services and Other [Member] | Intercompany [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonutility |  |  |  |  |  |  |  |  |  | 1,980 | 1,235 | 945
Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Nonutility |  |  |  |  |  |  |  |  |  | (63,506) | (73,349) | (6,439)
Depreciation and amortization |  |  |  |  |  |  |  |  |  | (31) | (4) | (2)
Interest income | [1] |  |  |  |  |  |  |  |  | (1,414) | (950) | (884)
Interest expense, net of capitalized interest |  |  |  |  |  |  |  |  |  | (423) | 0 | 0
Income tax provision (benefit) |  |  |  |  |  |  |  |  |  | (295) | 258 | (172)
Equity in earnings of affiliates |  |  |  |  |  |  |  |  |  | (4,078) | (3,546) | (3,519)
Net financial earnings |  |  |  |  |  |  |  |  |  | $ (207) | $ (32) | $ (27)
[1] | Included in other income, net on the Consolidated Statement of Operations.
[2] | Includes sales to Canada, which accounted for 3.7, 3.3 and 5.9 percent of total operating revenues during fiscal 2015, 2014 and 2013, respectively.

X
- Definition Net Financial Earnings (Loss) is a non-GAAP measure of earnings that eliminates certain timing differences surrounding the recognition of certain gains or losses associated with derivative activity + References No definition available. + Details
Name: | njr_NetFinancialEarningsLoss
Namespace Prefix: | njr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage to Total Operating Revenues + References No definition available. + Details
Name: | njr_PercentagetoTotalOperatingRevenues
Namespace Prefix: | njr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. + 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 (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 + Details
Name: | us-gaap_IncomeLossFromEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(b)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
Name: | us-gaap_InvestmentIncomeInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of operating revenues recognized during the period. + References No definition available. + Details
Name: | us-gaap_RegulatedAndUnregulatedOperatingRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of regulated gas operating revenues recognized during the period. + References No definition available. + Details
Name: | us-gaap_RegulatedOperatingRevenueGas
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of unregulated operating revenues recognized during the period. + References No definition available. + Details
Name: | us-gaap_UnregulatedOperatingRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_MajorCustomersAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=njr_NaturalGasDistributionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | njr_RevenueDesignationAxis=njr_ExternalCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=njr_EnergyServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | njr_RevenueDesignationAxis=njr_IntercompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=njr_CleanEnergyVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=njr_MidstreamInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=njr_HomeServicesandOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |