v3.26.1
Revenue from Contracts with Customers (Tables)
 9 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
Schedule of Disaggregation of Revenue The following tables provide a disaggregation of the Company's revenues for the quarter and nine months ended June 30, 2026 and 2025, presented by type of service from each reportable segment. As reported in the Company's 2025 Form 10-K, the segment reporting structure was modified to merge the Exploration and Production segment and Gathering segment into one reportable segment called Integrated Upstream and Gathering. Prior year disaggregation of revenue information shown below has been restated to reflect this change in presentation.
Quarter Ended June 30, 2026 (Thousands)
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$235,036 $— $— $235,036 $— $— $235,036 
Production of Crude Oil(146)— — (146)— — (146)
Natural Gas Processing245 — — 245 — — 245 
Natural Gas Gathering Service3,723 — — 3,723 — — 3,723 
Natural Gas Transportation Service— 80,867 20,561 101,428 — (26,095)75,333 
Natural Gas Storage Service— 25,699 — 25,699 — (10,735)14,964 
Natural Gas Residential Sales— — 121,502 121,502 — — 121,502 
Natural Gas Commercial Sales— — 14,129 14,129 — — 14,129 
Natural Gas Industrial Sales— — 885 885 — (1)884 
Other5,400 (25)3,158 8,533 — (229)8,304 
Total Revenues from Contracts with Customers244,258 106,541 160,235 511,034 — (37,060)473,974 
Alternative Revenue Programs— — 5,265 5,265 — — 5,265 
Derivative Financial Instruments58,258 — — 58,258 — — 58,258 
Total Revenues$302,516 $106,541 $165,500 $574,557 $— $(37,060)$537,497 
Nine Months Ended June 30, 2026 (Thousands)   
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$937,713 $— $— $937,713 $— $— $937,713 
Production of Crude Oil585 — — 585 — — 585 
Natural Gas Processing609 — — 609 — — 609 
Natural Gas Gathering Service9,113 — — 9,113 — — 9,113 
Natural Gas Transportation Service— 244,923 101,757 346,680 — (79,501)267,179 
Natural Gas Storage Service— 76,513 — 76,513 — (32,341)44,172 
Natural Gas Residential Sales— — 642,481 642,481 — — 642,481 
Natural Gas Commercial Sales— — 92,893 92,893 — — 92,893 
Natural Gas Industrial Sales— — 4,852 4,852 — (5)4,847 
Other13,582 3,469 5,022 22,073 — (794)21,279 
Total Revenues from Contracts with Customers961,602 324,905 847,005 2,133,512 — (112,641)2,020,871 
Alternative Revenue Programs— — 3,547 3,547 — — 3,547 
Derivative Financial Instruments22,959 — — 22,959 — — 22,959 
Total Revenues$984,561 $324,905 $850,552 $2,160,018 $— $(112,641)$2,047,377 
Quarter Ended June 30, 2025 (Thousands)   
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$300,137 $— $— $300,137 $— $— $300,137 
Production of Crude Oil434 — — 434 — — 434 
Natural Gas Processing267 — — 267 — — 267 
Natural Gas Gathering Service2,519 — — 2,519 — — 2,519 
Natural Gas Transportation Service— 80,235 21,639 101,874 — (26,845)75,029 
Natural Gas Storage Service— 25,028 — 25,028 — (10,604)14,424 
Natural Gas Residential Sales— — 118,551 118,551 — — 118,551 
Natural Gas Commercial Sales— — 15,349 15,349 — — 15,349 
Natural Gas Industrial Sales— — 732 732 — (1)731 
Other530 316 (633)213 — (224)(11)
Total Revenues from Contracts with Customers303,887 105,579 155,638 565,104 — (37,674)527,430 
Alternative Revenue Programs— — 1,885 1,885 — — 1,885 
Derivative Financial Instruments2,515 — — 2,515 — — 2,515 
Total Revenues$306,402 $105,579 $157,523 $569,504 $— $(37,674)$531,830 
Nine Months Ended June 30, 2025 (Thousands)   
Revenues By Type of ServiceIntegrated Upstream and GatheringPipeline and StorageUtilityTotal Reportable SegmentsAll OtherCorporate and Intersegment EliminationsTotal Consolidated
Production of Natural Gas$836,000 $— $— $836,000 $— $— $836,000 
Production of Crude Oil1,341 — — 1,341 — — 1,341 
Natural Gas Processing881 — — 881 — — 881 
Natural Gas Gathering Service9,200 — — 9,200 — — 9,200 
Natural Gas Transportation Service— 243,921 93,815 337,736 — (81,564)256,172 
Natural Gas Storage Service— 75,309 — 75,309 — (31,799)43,510 
Natural Gas Residential Sales— — 532,001 532,001 — — 532,001 
Natural Gas Commercial Sales— — 77,194 77,194 — — 77,194 
Natural Gas Industrial Sales— — 4,007 4,007 — (4)4,003 
Other2,070 2,535 12,507 17,112 — (761)16,351 
Total Revenues from Contracts with Customers849,492 321,765 719,524 1,890,781 — (114,128)1,776,653 
Alternative Revenue Programs— — 10,200 10,200 — — 10,200 
Derivative Financial Instruments24,409 — — 24,409 — — 24,409 
Total Revenues$873,901 $321,765 $729,724 $1,925,390 $— $(114,128)$1,811,262