Business Segment Information (Tables)

9 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Financial Segment Information By Segment

Quarter Ended June 30, 2022 (Thousands)
	Exploration and Production	Pipeline and Storage	Gathering	Utility	Total Reportable Segments	All Other	Corporate and Intersegment Eliminations	Total Consolidated
Revenue from External Customers	$252,638	$67,236	$2,862	$179,888	$502,624	$—	$—	$502,624
Intersegment Revenues	$—	$28,312	$53,069	$60	$81,441	$—	$(81,441)	$—
Segment Profit: Net Income (Loss)	$56,497	$26,599	$24,658	$4,622	$112,376	$—	$(4,218)	$108,158

Nine Months Ended June 30, 2022 (Thousands)
	Exploration and Production	Pipeline and Storage	Gathering	Utility	Total Reportable Segments	All Other	Corporate and Intersegment Eliminations	Total Consolidated
Revenue from External Customers	$758,428	$196,579	$10,063	$785,664	$1,750,734	$—	$166	$1,750,900
Intersegment Revenues	$—	$82,716	$150,696	$245	$233,657	$6	$(233,663)	$—
Segment Profit: Net Income (Loss)	$189,987	$77,236	$69,887	$79,800	$416,910	$(7)	$(9,024)	$407,879

(Thousands)	Exploration and Production	Pipeline and Storage	Gathering	Utility	Total Reportable Segments	All Other	Corporate and Intersegment Eliminations	Total Consolidated
Segment Assets:
At June 30, 2022	$2,716,219	$2,371,621	$870,204	$2,247,229	$8,205,273	$235	$(93,422)	$8,112,086
At September 30, 2021	$2,286,058	$2,296,030	$837,729	$2,148,267	$7,568,084	$4,146	$(107,405)	$7,464,825

Quarter Ended June 30, 2021 (Thousands)
	Exploration and Production	Pipeline and Storage	Gathering	Utility	Total Reportable Segments	All Other	Corporate and Intersegment Eliminations	Total Consolidated
Revenue from External Customers	$209,535	$57,258	$588	$126,934	$394,315	$(1)	$83	$394,397
Intersegment Revenues	$—	$26,805	$48,068	$74	$74,947	$2	$(74,949)	$—
Segment Profit: Net Income (Loss)	$39,015	$21,948	$20,427	$4,841	$86,231	$1,039	$(795)	$86,475

Nine Months Ended June 30, 2021 (Thousands)
	Exploration and Production	Pipeline and Storage	Gathering	Utility	Total Reportable Segments	All Other	Corporate and Intersegment Eliminations	Total Consolidated
Revenue from External Customers	$621,116	$175,881	$1,610	$586,618	$1,385,225	$1,174	$272	$1,386,671
Intersegment Revenues	$—	$82,651	$144,317	$271	$227,239	$22	$(227,261)	$—
Segment Profit: Net Income	$46,213	$71,060	$61,677	$59,922	$238,872	$37,617	$196	$276,685