Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2021	Sep. 30, 2020
ASSETS
Property, Plant and Equipment		$ 13,103,639	$ 12,351,852
Less - Accumulated Depreciation, Depletion and Amortization		6,719,356	6,353,785
Property, Plant and Equipment, Net, Total		6,384,283	5,998,067
Assets Held for Sale, Net		0	53,424
Current Assets
Cash and Temporary Cash Investments		31,528	20,541
Hedging Collateral Deposits		88,610	0
Receivables - Net of Allowance for Uncollectible Accounts of $31,639 and $22,810, Respectively		205,294	143,583
Unbilled Revenue		17,000	17,302
Gas Stored Underground		33,669	33,338
Materials, Supplies and Emission Allowances		53,560	51,877
Unrecovered Purchased Gas Costs		33,128	0
Other Current Assets		59,660	47,557
Total Current Assets		522,449	314,198
Other Assets
Recoverable Future Taxes		121,992	118,310
Unamortized Debt Expense		10,589	12,297
Other Regulatory Assets		60,145	156,106
Deferred Charges		59,939	67,131
Other Investments		149,632	154,502
Goodwill		5,476	5,476
Prepaid Post-Retirement Benefit Costs		149,151	76,035
Fair Value of Derivative Financial Instruments		0	9,308
Other		1,169	81
Total Other Assets		558,093	599,246
Total Assets		7,464,825	6,964,935
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 91,181,549 Shares and 90,954,696 Shares, Respectively		91,182	90,955
Paid In Capital		1,017,446	1,004,158
Earnings Reinvested in the Business		1,191,175	991,630
Accumulated Other Comprehensive Loss		(513,597)	(114,757)
Total Comprehensive Shareholders' Equity		1,786,206	1,971,986
Long-term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs		2,628,687	2,629,576
Total Capitalization		4,414,893	4,601,562
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper		158,500	30,000
Current Portion of Long-Term Debt	[1]	0	0
Accounts Payable		171,655	134,126
Amounts Payable to Customers		21	10,788
Dividends Payable		41,487	40,475
Interest Payable on Long-Term Debt		17,376	27,521
Customer Advances		17,223	15,319
Customer Security Deposits		19,292	17,199
Other Accruals and Current Liabilities		194,169	140,176
Fair Value of Derivative Financial Instruments		616,410	43,969
Total Current and Accrued Liabilities		1,236,133	459,573
Other Liabilities
Deferred Income Taxes		660,420	696,054
Taxes Refundable to Customers		354,089	357,508
Cost of Removal Regulatory Liability		245,636	230,079
Other Regulatory Liabilities		200,643	161,573
Pension and Other Post-Retirement Liabilities		7,526	127,181
Asset Retirement Obligations		209,639	192,228
Other Liabilities		135,846	139,177
Total Other Liabilities		1,813,799	1,903,800
Commitments and Contingencies (Note L)		0	0
Total Capitalization and Liabilities		$ 7,464,825	$ 6,964,935

[1] None of the Company's long-term debt at September 30, 2021 and 2020 will mature within the following twelve-month period.