Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2025	Sep. 30, 2024
ASSETS
Property, Plant and Equipment		$ 15,406,329	$ 14,524,798
Less — Accumulated Depreciation, Depletion and Amortization		7,693,687	7,185,593
Property, Plant and Equipment, Net, Total		7,712,642	7,339,205
Current Assets
Cash and Temporary Cash Investments		43,166	38,222
Receivables — Net of Allowance for Uncollectible Accounts of $17,099 and $26,194, Respectively		180,801	127,222
Unbilled Revenue		16,219	15,521
Gas Stored Underground		33,468	35,055
Materials and Supplies - at average cost		50,545	47,670
Unrecovered Purchased Gas Costs		5,769	0
Other Current Assets		80,759	92,229
Total Current Assets		410,727	355,919
Other Assets
Recoverable Future Taxes		89,247	80,084
Unamortized Debt Expense		6,236	5,604
Other Regulatory Assets		135,486	108,022
Deferred Charges		73,941	69,662
Other Investments		68,346	81,705
Goodwill		5,476	5,476
Prepaid Pension and Post-Retirement Benefit Costs		169,228	180,230
Fair Value of Derivative Financial Instruments		39,388	87,905
Other		8,387	5,958
Total Other Assets		595,735	624,646
Total Assets		8,719,104	8,319,770
Comprehensive Shareholders’ Equity
Common Stock, $1 Par Value; Authorized - 200,000,000 Shares; Issued and Outstanding - 90,379,095 Shares and 91,005,993 Shares, Respectively		90,379	91,006
Paid In Capital		1,050,918	1,045,487
Earnings Reinvested in the Business		2,012,529	1,727,326
Accumulated Other Comprehensive Loss		(59,222)	(15,476)
Total Comprehensive Shareholders’ Equity		3,094,604	2,848,343
Long-Term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs		2,382,861	2,188,243
Total Capitalization		5,477,465	5,036,586
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper		150,200	90,700
Current Portion of Long-Term Debt	[1]	300,000	500,000
Accounts Payable		184,046	165,068
Amounts Payable to Customers		968	42,720
Dividends Payable		48,353	46,872
Interest Payable on Long-Term Debt		14,393	27,247
Customer Advances		17,188	19,373
Customer Security Deposits		29,853	36,265
Other Accruals and Current Liabilities		174,689	162,903
Fair Value of Derivative Financial Instruments		6,074	4,744
Total Current and Accrued Liabilities		925,764	1,095,892
Other Liabilities
Deferred Income Taxes		1,225,262	1,111,165
Taxes Refundable to Customers		306,335	305,645
Cost of Removal Regulatory Liability		307,659	292,477
Other Regulatory Liabilities		121,944	151,452
Pension and Other Post-Retirement Liabilities		5,252	3,511
Asset Retirement Obligations		236,787	203,006
Other Liabilities		112,636	120,036
Total Other Liabilities		2,315,875	2,187,292
Commitments and Contingencies (Note L)		0	0
Total Capitalization and Liabilities		$ 8,719,104	$ 8,319,770

[1] Current Portion of Long-Term Debt at September 30, 2025 consisted of a $300.0 million long-term delayed draw term loan that matures in February 2026. Current Portion of Long-Term Debt at September 30, 2024 consisted of $50.0 million of 7.38% medium-term notes and $450.0 million of 5.20% notes.