XML 110 R86.htm IDEA: XBRL DOCUMENT
v3.24.3

STOCK-BASED COMPENSATION - PERFORMANCE SHARES AND RESTRICTED STOCK ACTIVITY (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022 | Nov. 06, 2024 | Nov. 15, 2023 | Nov. 09, 2022
Performance share awards |  |  |  |  |  |
Shares |  |  |  |  |  |
Outstanding at beginning of period (in shares) | 190,255 | 192,121 | 166,091 |  |  |
Granted (in shares) | 142,800 | 112,661 | 118,526 |  |  |
Vested (in shares) | (112,183) | (105,197) | (76,708) |  |  |
Cancelled/forfeited (in shares) | (1,913) | (9,330) | (15,788) |  |  |
Outstanding at end of period (in shares) | 218,959 | 190,255 | 192,121 |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) | $ 42.60 | $ 36.29 | $ 36.08 |  |  |
Granted (in dollars per share) | 42.55 | 46.00 | 38.84 |  |  |
Vested (in dollars per share) | 39.91 | 35.07 | 39.57 |  |  |
Cancelled/forfeited (in dollars per share) | 43.83 | 38.64 | 37.33 |  |  |
Outstanding at end of period (in dollars per share) | $ 43.93 | $ 42.60 | $ 36.29 |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Total Fair Value of Vested Shares | $ 5,271 | $ 4,126 | $ 2,765 |  |  |
Percent of awards to common stock |  |  |  |  | 150.00% | 105.00%
Number of common shares issued (in shares) |  |  |  |  | 55,832 | 26,282
Percent of awards to common stock, target |  |  |  |  | 100.00% | 100.00%
Performance share awards | Subsequent Event |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock |  |  |  | 124.00% |  |
Number of common shares issued (in shares) |  |  |  | 49,269 |  |
Percent of awards to common stock, target |  |  |  | 100.00% |  |
Performance share awards | Minimum |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock | 0.00% |  |  |  |  |
Performance share awards | Maximum |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock | 150.00% |  |  |  |  |
Performance Shares, TSR |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock |  |  |  |  | 150.00% | 112.00%
Number of common shares issued (in shares) |  |  |  |  | 59,192 | 30,472
Performance Shares, TSR | Subsequent Event |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock |  |  |  | 150.00% |  |
Number of common shares issued (in shares) |  |  |  | 60,092 |  |
Performance-based Restricted Stock |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock |  |  |  |  | 100.00% | 100.00%
Number of common shares issued (in shares) |  |  |  |  | 30,598 | 28,965
Performance-based Restricted Stock | Subsequent Event |  |  |  |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Percent of awards to common stock |  |  |  | 100.00% |  |
Number of common shares issued (in shares) |  |  |  | 37,603 |  |
Restricted Stock |  |  |  |  |  |
Shares |  |  |  |  |  |
Outstanding at beginning of period (in shares) | 108,876 | 97,824 | 101,621 |  |  |
Granted (in shares) | 70,987 | 64,080 | 54,826 |  |  |
Vested (in shares) | (53,393) | (48,312) | (47,867) |  |  |
Cancelled/forfeited (in shares) | (970) | (4,716) | (10,756) |  |  |
Outstanding at end of period (in shares) | 125,500 | 108,876 | 97,824 |  |  |
Weighted Average Grant Date Fair Value |  |  |  |  |  |
Outstanding at beginning of period (in dollars per share) | $ 41.55 | $ 36.90 | $ 36.87 |  |  |
Granted (in dollars per share) | 42.59 | 46.00 | 38.84 |  |  |
Vested (in dollars per share) | 39.74 | 40.30 | 39.01 |  |  |
Cancelled/forfeited (in dollars per share) | 44.52 | 38.77 | 37.06 |  |  |
Outstanding at end of period (in dollars per share) | $ 42.89 | $ 41.55 | $ 36.90 |  |  |
Total Fair Value of Vested Shares |  |  |  |  |  |
Total Fair Value of Vested Shares | $ 2,256 | $ 1,910 | $ 1,824 |  |  |

X
- Definition Share Based Compensation, Percent of Awards to Common Stock + References No definition available. + Details
Name: | njr_ShareBasedCompensationPercentOfAwardsToCommonStock
Namespace Prefix: | njr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share Based Compensation, Percent of Awards to Common Stock, Target Amount + References No definition available. + Details
Name: | njr_ShareBasedCompensationPercentOfAwardsToCommonStockTargetAmount
Namespace Prefix: | njr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockSharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=njr_PerformanceSharesTSRMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=njr_PerformancebasedRestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |