CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
OPERATING REVENUES
Utility	$ 204,790	$ 157,773	$ 1,156,558	$ 913,729
Nonutility	94,156	117,863	543,776	487,030
Total operating revenues	298,946	275,636	1,700,334	1,400,759
Natural gas purchases:
Related parties	1,268	1,729	4,652	5,407
Operation and maintenance	100,133	104,378	299,806	306,040
Regulatory rider expenses	10,979	8,343	81,956	56,761
Depreciation and amortization	47,000	40,907	140,296	121,269
Gain on sale of assets	(545)	0	(56,092)	0
Total operating expenses	300,008	269,700	1,231,870	1,088,782
OPERATING (LOSS) INCOME	(1,062)	5,936	468,464	311,977
Other income, net	11,040	9,555	39,663	31,316
Interest expense, net of capitalized interest	31,694	31,169	98,112	94,263
(LOSS) INCOME BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF AFFILIATES	(21,716)	(15,678)	410,015	249,030
Income tax (benefit) provision	(5,142)	(2,764)	93,835	54,119
Equity in earnings of affiliates	1,523	1,340	4,375	3,738
NET (LOSS) INCOME	$ (15,051)	$ (11,574)	$ 320,555	$ 198,649
(LOSS) INCOME PER COMMON SHARE
Basic (usd per share)	$ (0.15)	$ (0.12)	$ 3.20	$ 2.02
Diluted (usd per share)	$ (0.15)	$ (0.12)	$ 3.18	$ 2.00
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	100,373	98,983	100,173	98,409
Diluted (in shares)	100,373	98,983	100,813	99,213
Utility
Natural gas purchases:
Gas purchases - Utility and Nonutility	$ 73,321	$ 53,372	$ 473,975	$ 373,839
Nonutility
Natural gas purchases:
Gas purchases - Utility and Nonutility	$ 67,852	$ 60,971	$ 287,277	$ 225,466