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v3.25.1

Revenue from Contracts with Customers (Tables) | 6 Months Ended
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Mar. 31, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following tables provide a disaggregation of the Company's revenues for the quarter and six months ended March 31, 2025 and 2024, presented by type of service from each reportable segment.
Quarter Ended March 31, 2025 (Thousands) |  |  |  |  |  |  |  |  |  |
Revenues By Type of Service | Exploration and Production |  | Pipeline and Storage |  | Gathering |  | Utility |  | All Other |  | Corporate and Intersegment Eliminations |  | Total Consolidated
Production of Natural Gas | $ | 318,404 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 318,404 |
Production of Crude Oil | 393 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 393 |
Natural Gas Processing | 338 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 338 |
Natural Gas Gathering Service | — |  |  | — |  |  | 65,030 |  |  | — |  |  | — |  |  | (61,797) |  |  | 3,233 |
Natural Gas Transportation Service | — |  |  | 82,481 |  |  | — |  |  | 45,256 |  |  | — |  |  | (27,538) |  |  | 100,199 |
Natural Gas Storage Service | — |  |  | 25,288 |  |  | — |  |  | — |  |  | — |  |  | (10,691) |  |  | 14,597 |
Natural Gas Residential Sales | — |  |  | — |  |  | — |  |  | 257,100 |  |  | — |  |  | — |  |  | 257,100 |
Natural Gas Commercial Sales | — |  |  | — |  |  | — |  |  | 39,602 |  |  | — |  |  | — |  |  | 39,602 |
Natural Gas Industrial Sales | — |  |  | — |  |  | — |  |  | 1,937 |  |  | — |  |  | (2) |  |  | 1,935 |
Other | 657 |  |  | 1,804 |  |  | — |  |  | (3,228) |  |  | — |  |  | (276) |  |  | (1,043) |
Total Revenues from Contracts with Customers | 319,792 |  |  | 109,573 |  |  | 65,030 |  |  | 340,667 |  |  | — |  |  | (100,304) |  |  | 734,758 |
Alternative Revenue Programs | — |  |  | — |  |  | — |  |  | 3,026 |  |  | — |  |  | — |  |  | 3,026 |
Derivative Financial Instruments | (7,834) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (7,834) |
Total Revenues | $ | 311,958 |  |  | $ | 109,573 |  |  | $ | 65,030 |  |  | $ | 343,693 |  |  | $ | — |  |  | $ | (100,304) |  |  | $ | 729,950 |
Six Months Ended March 31, 2025 (Thousands) |  |  |  |  |  |  |  |
Revenues By Type of Service | Exploration and Production |  | Pipeline and Storage |  | Gathering |  | Utility |  | All Other |  | Corporate and Intersegment Eliminations |  | Total Consolidated
Production of Natural Gas | $ | 535,863 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 535,863 |
Production of Crude Oil | 907 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 907 |
Natural Gas Processing | 613 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 613 |
Natural Gas Gathering Service | — |  |  | — |  |  | 126,161 |  |  | — |  |  | — |  |  | (119,480) |  |  | 6,681 |
Natural Gas Transportation Service | — |  |  | 163,686 |  |  | — |  |  | 72,176 |  |  | — |  |  | (54,719) |  |  | 181,143 |
Natural Gas Storage Service | — |  |  | 50,281 |  |  | — |  |  | — |  |  | — |  |  | (21,195) |  |  | 29,086 |
Natural Gas Residential Sales | — |  |  | — |  |  | — |  |  | 413,450 |  |  | — |  |  | — |  |  | 413,450 |
Natural Gas Commercial Sales | — |  |  | — |  |  | — |  |  | 61,845 |  |  | — |  |  | — |  |  | 61,845 |
Natural Gas Industrial Sales | — |  |  | — |  |  | — |  |  | 3,275 |  |  | — |  |  | (3) |  |  | 3,272 |
Other | 1,541 |  |  | 2,219 |  |  | — |  |  | 12,512 |  |  | — |  |  | (537) |  |  | 15,735 |
Total Revenues from Contracts with Customers | 538,924 |  |  | 216,186 |  |  | 126,161 |  |  | 563,258 |  |  | — |  |  | (195,934) |  |  | 1,248,595 |
Alternative Revenue Programs | — |  |  | — |  |  | — |  |  | 8,943 |  |  | — |  |  | — |  |  | 8,943 |
Derivative Financial Instruments | 21,894 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 21,894 |
Total Revenues | $ | 560,818 |  |  | $ | 216,186 |  |  | $ | 126,161 |  |  | $ | 572,201 |  |  | $ | — |  |  | $ | (195,934) |  |  | $ | 1,279,432 |
Quarter Ended March 31, 2024 (Thousands) |  |  |  |  |  |  |  |  |  |
Revenues By Type of Service | Exploration and Production |  | Pipeline and Storage |  | Gathering |  | Utility |  | All Other |  | Corporate and Intersegment Eliminations |  | Total Consolidated
Production of Natural Gas | $ | 203,198 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 203,198 |
Production of Crude Oil | 524 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 524 |
Natural Gas Processing | 303 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 303 |
Natural Gas Gathering Service | — |  |  | — |  |  | 63,993 |  |  | — |  |  | — |  |  | (60,076) |  |  | 3,917 |
Natural Gas Transportation Service | — |  |  | 81,273 |  |  | — |  |  | 37,841 |  |  | — |  |  | (25,852) |  |  | 93,262 |
Natural Gas Storage Service | — |  |  | 25,343 |  |  | — |  |  | — |  |  | — |  |  | (11,024) |  |  | 14,319 |
Natural Gas Residential Sales | — |  |  | — |  |  | — |  |  | 210,392 |  |  | — |  |  | — |  |  | 210,392 |
Natural Gas Commercial Sales | — |  |  | — |  |  | — |  |  | 30,815 |  |  | — |  |  | — |  |  | 30,815 |
Natural Gas Industrial Sales | — |  |  | — |  |  | — |  |  | 1,281 |  |  | — |  |  | (2) |  |  | 1,279 |
Other | 405 |  |  | 1,404 |  |  | — |  |  | (881) |  |  | — |  |  | (238) |  |  | 690 |
Total Revenues from Contracts with Customers | 204,430 |  |  | 108,020 |  |  | 63,993 |  |  | 279,448 |  |  | — |  |  | (97,192) |  |  | 558,699 |
Alternative Revenue Programs | — |  |  | — |  |  | — |  |  | 11,056 |  |  | — |  |  | — |  |  | 11,056 |
Derivative Financial Instruments | 60,184 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 60,184 |
Total Revenues | $ | 264,614 |  |  | $ | 108,020 |  |  | $ | 63,993 |  |  | $ | 290,504 |  |  | $ | — |  |  | $ | (97,192) |  |  | $ | 629,939 |
Six Months Ended March 31, 2024 (Thousands) |  |  |  |  |  |  |  |
Revenues By Type of Service | Exploration and Production |  | Pipeline and Storage |  | Gathering |  | Utility |  | All Other |  | Corporate and Intersegment Eliminations |  | Total Consolidated
Production of Natural Gas | $ | 435,859 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 435,859 |
Production of Crude Oil | 1,211 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,211 |
Natural Gas Processing | 570 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 570 |
Natural Gas Gathering Service | — |  |  | — |  |  | 126,581 |  |  | — |  |  | — |  |  | (118,068) |  |  | 8,513 |
Natural Gas Transportation Service | — |  |  | 152,891 |  |  | — |  |  | 67,126 |  |  | — |  |  | (46,214) |  |  | 173,803 |
Natural Gas Storage Service | — |  |  | 46,635 |  |  | — |  |  | — |  |  | — |  |  | (20,084) |  |  | 26,551 |
Natural Gas Residential Sales | — |  |  | — |  |  | — |  |  | 356,938 |  |  | — |  |  | — |  |  | 356,938 |
Natural Gas Commercial Sales | — |  |  | — |  |  | — |  |  | 51,096 |  |  | — |  |  | — |  |  | 51,096 |
Natural Gas Industrial Sales | — |  |  | — |  |  | — |  |  | 2,188 |  |  | — |  |  | (3) |  |  | 2,185 |
Other | 1,054 |  |  | 2,907 |  |  | — |  |  | (1,448) |  |  | — |  |  | (489) |  |  | 2,024 |
Total Revenues from Contracts with Customers | 438,694 |  |  | 202,433 |  |  | 126,581 |  |  | 475,900 |  |  | — |  |  | (184,858) |  |  | 1,058,750 |
Alternative Revenue Programs | — |  |  | — |  |  | — |  |  | 16,612 |  |  | — |  |  | — |  |  | 16,612 |
Derivative Financial Instruments | 79,939 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 79,939 |
Total Revenues | $ | 518,633 |  |  | $ | 202,433 |  |  | $ | 126,581 |  |  | $ | 492,512 |  |  | $ | — |  |  | $ | (184,858) |  |  | $ | 1,155,301 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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