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v3.25.1

Segment Information (Tables) | 6 Months Ended
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Mar. 31, 2025
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment | Income statements and capital expenditures for the three and six months ended March 31, 2025 and 2024 by segment are presented in the following tables:
| Three Months Ended March 31, 2025
| Distribution |  | Pipeline and Storage |  |  |  | Eliminations |  | Consolidated
| (In thousands)
Operating revenues from external parties | $ | 1,881,742 |  |  | $ | 68,760 |  |  |  |  | $ | — |  |  | $ | 1,950,502 |
Intersegment revenues | 786 |  |  | 190,239 |  |  |  |  | (191,025) |  |  | — |
Total operating revenues | 1,882,528 |  |  | 258,999 |  |  |  |  | (191,025) |  |  | 1,950,502 |
Purchased gas cost | 969,037 |  |  | 968 |  |  |  |  | (190,772) |  |  | 779,233 |
Operation and maintenance expense | 181,887 |  |  | 51,662 |  |  |  |  | (253) |  |  | 233,296 |
Depreciation and amortization expense | 134,546 |  |  | 48,204 |  |  |  |  | — |  |  | 182,750 |
Taxes, other than income | 113,340 |  |  | 12,944 |  |  |  |  | — |  |  | 126,284 |
Operating income | 483,718 |  |  | 145,221 |  |  |  |  | — |  |  | 628,939 |
Other non-operating income | 13,444 |  |  | 10,728 |  |  |  |  | — |  |  | 24,172 |
Interest charges | 30,087 |  |  | 19,927 |  |  |  |  | — |  |  | 50,014 |
Income before income taxes | 467,075 |  |  | 136,022 |  |  |  |  | — |  |  | 603,097 |
Income tax expense | 86,432 |  |  | 31,089 |  |  |  |  | — |  |  | 117,521 |
Net income | $ | 380,643 |  |  | $ | 104,933 |  |  |  |  | $ | — |  |  | $ | 485,576 |
Capital expenditures | $ | 594,853 |  |  | $ | 244,813 |  |  |  |  | $ | — |  |  | $ | 839,666 |
| Three Months Ended March 31, 2024
| Distribution |  | Pipeline and Storage |  | Eliminations |  | Consolidated
| (In thousands)
Operating revenues from external parties | $ | 1,588,394 |  |  | $ | 58,833 |  |  | $ | — |  |  | $ | 1,647,227 |
Intersegment revenues | 787 |  |  | 164,654 |  |  | (165,441) |  |  | — |
Total operating revenues | 1,589,181 |  |  | 223,487 |  |  | (165,441) |  |  | 1,647,227 |
Purchased gas cost | 788,643 |  |  | 840 |  |  | (165,188) |  |  | 624,295 |
Operation and maintenance expense | 154,956 |  |  | 45,196 |  |  | (253) |  |  | 199,899 |
Depreciation and amortization expense | 121,384 |  |  | 43,703 |  |  | — |  |  | 165,087 |
Taxes, other than income | 98,008 |  |  | 8,948 |  |  | — |  |  | 106,956 |
Operating income | 426,190 |  |  | 124,800 |  |  | — |  |  | 550,990 |
Other non-operating income | 9,359 |  |  | 7,328 |  |  | — |  |  | 16,687 |
Interest charges | 36,784 |  |  | 18,658 |  |  | — |  |  | 55,442 |
Income before income taxes | 398,765 |  |  | 113,470 |  |  | — |  |  | 512,235 |
Income tax expense | 56,073 |  |  | 24,139 |  |  | — |  |  | 80,212 |
Net income | $ | 342,692 |  |  | $ | 89,331 |  |  | $ | — |  |  | $ | 432,023 |
Capital expenditures | $ | 532,997 |  |  | $ | 112,879 |  |  | $ | — |  |  | $ | 645,876 |
| Six Months Ended March 31, 2025
| Distribution |  | Pipeline and Storage |  | Eliminations |  | Consolidated
| (In thousands)
Operating revenues from external parties | $ | 2,990,311 |  |  | $ | 136,190 |  |  | $ | — |  |  | $ | 3,126,501 |
Intersegment revenues | 1,552 |  |  | 378,199 |  |  | (379,751) |  |  | — |
Total operating revenues | 2,991,863 |  |  | 514,389 |  |  | (379,751) |  |  | 3,126,501 |
Purchased gas cost | 1,391,607 |  |  | 910 |  |  | (379,236) |  |  | 1,013,281 |
Operation and maintenance expense | 336,401 |  |  | 104,454 |  |  | (515) |  |  | 440,340 |
Depreciation and amortization expense | 268,173 |  |  | 95,110 |  |  | — |  |  | 363,283 |
Taxes, other than income | 195,916 |  |  | 25,262 |  |  | — |  |  | 221,178 |
Operating income | 799,766 |  |  | 288,653 |  |  | — |  |  | 1,088,419 |
Other non-operating income | 23,528 |  |  | 25,278 |  |  | — |  |  | 48,806 |
Interest charges | 64,336 |  |  | 38,603 |  |  | — |  |  | 102,939 |
Income before income taxes | 758,958 |  |  | 275,328 |  |  | — |  |  | 1,034,286 |
Income tax expense | 138,102 |  |  | 58,750 |  |  | — |  |  | 196,852 |
Net income | $ | 620,856 |  |  | $ | 216,578 |  |  | $ | — |  |  | $ | 837,434 |
Capital expenditures | $ | 1,220,502 |  |  | $ | 510,355 |  |  | $ | — |  |  | $ | 1,730,857 |
| Six Months Ended March 31, 2024
| Distribution |  | Pipeline and Storage |  | Eliminations |  | Consolidated
| (In thousands)
Operating revenues from external parties | $ | 2,693,013 |  |  | $ | 112,681 |  |  | $ | — |  |  | $ | 2,805,694 |
Intersegment revenues | 1,506 |  |  | 321,975 |  |  | (323,481) |  |  | — |
Total operating revenues | 2,694,519 |  |  | 434,656 |  |  | (323,481) |  |  | 2,805,694 |
Purchased gas cost | 1,285,305 |  |  | 844 |  |  | (322,985) |  |  | 963,164 |
Operation and maintenance expense | 282,571 |  |  | 84,169 |  |  | (496) |  |  | 366,244 |
Depreciation and amortization expense | 241,069 |  |  | 88,626 |  |  | — |  |  | 329,695 |
Taxes, other than income | 178,903 |  |  | 17,593 |  |  | — |  |  | 196,496 |
Operating income | 706,671 |  |  | 243,424 |  |  | — |  |  | 950,095 |
Other non-operating income | 15,198 |  |  | 19,375 |  |  | — |  |  | 34,573 |
Interest charges | 71,365 |  |  | 35,952 |  |  | — |  |  | 107,317 |
Income before income taxes | 650,504 |  |  | 226,847 |  |  | — |  |  | 877,351 |
Income tax expense | 86,375 |  |  | 47,661 |  |  | — |  |  | 134,036 |
Net income | $ | 564,129 |  |  | $ | 179,186 |  |  | $ | — |  |  | $ | 743,315 |
Capital expenditures | $ | 1,072,155 |  |  | $ | 343,371 |  |  | $ | — |  |  | $ | 1,415,526 |
Balance sheet information at March 31, 2025 and September 30, 2024 by segment is presented in the following tables:
| March 31, 2025
| Distribution |  | Pipeline and Storage |  | Eliminations |  | Consolidated
| (In thousands)
Net property, plant and equipment | $ | 17,422,364 |  |  | $ | 6,209,859 |  |  | $ | — |  |  | $ | 23,632,223 |
Total assets | $ | 26,109,156 |  |  | $ | 6,541,506 |  |  | $ | (5,670,281) |  |  | $ | 26,980,381 |
| September 30, 2024
| Distribution |  | Pipeline and Storage |  | Eliminations |  | Consolidated
| (In thousands)
Net property, plant and equipment | $ | 16,372,659 |  |  | $ | 5,831,708 |  |  | $ | — |  |  | $ | 22,204,367 |
Total assets | $ | 24,328,877 |  |  | $ | 6,181,558 |  |  | $ | (5,315,970) |  |  | $ | 25,194,465 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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