Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2020	Sep. 30, 2019
ASSETS
Property, Plant and Equipment		$ 11,559,528	$ 11,204,838
Less - Accumulated Depreciation, Depletion and Amortization		6,003,658	5,695,328
Property, Plant and Equipment, Net, Total		5,555,870	5,509,510
Current Assets
Cash and Temporary Cash Investments		111,655	20,428
Hedging Collateral Deposits	[1]	10,728	6,832
Receivables - Net of Allowance for Uncollectible Accounts of $29,627 and $25,788, Respectively		172,011	139,956
Unbilled Revenue		44,715	18,758
Gas Stored Underground		8,860	36,632
Materials and Supplies - at average cost		48,113	40,717
Unrecovered Purchased Gas Costs		0	2,246
Other Current Assets		100,188	97,054
Total Current Assets		496,270	362,623
Other Assets
Recoverable Future Taxes		115,934	115,197
Unamortized Debt Expense		13,151	14,005
Other Regulatory Assets		161,800	167,320
Deferred Charges		56,855	33,843
Other Investments		137,044	144,917
Goodwill		5,476	5,476
Prepaid Post-Retirement Benefit Costs		71,381	60,517
Fair Value of Derivative Financial Instruments		94,797	48,669
Other		81	80
Total Other Assets		656,519	590,024
Total Assets		6,708,659	6,462,157
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 86,561,532 Shares and 86,315,287 Shares, Respectively		86,562	86,315
Paid in Capital		835,444	832,264
Earnings Reinvested in the Business		1,176,870	1,272,601
Accumulated Other Comprehensive Loss		(18,917)	(52,155)
Total Comprehensive Shareholders’ Equity		2,079,959	2,139,025
Long-Term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs		2,134,964	2,133,718
Total Capitalization		4,214,923	4,272,743
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper		230,000	55,200
Current Portion of Long-Term Debt		0	0
Accounts Payable		106,938	132,208
Amounts Payable to Customers		17,213	4,017
Dividends Payable		37,654	37,547
Interest Payable on Long-Term Debt		18,508	18,508
Customer Advances		615	13,044
Customer Security Deposits		14,999	16,210
Other Accruals and Current Liabilities		150,239	139,600
Fair Value of Derivative Financial Instruments		7,652	5,574
Total Current and Accrued Liabilities		583,818	421,908
Deferred Credits
Deferred Income Taxes		777,299	653,382
Taxes Refundable to Customers		360,331	366,503
Cost of Removal Regulatory Liability		224,546	221,699
Other Regulatory Liabilities		157,371	142,367
Pension and Other Post-Retirement Liabilities		126,959	133,729
Asset Retirement Obligations		128,779	127,458
Other Deferred Credits		134,633	122,368
Total Deferred Credits		1,909,918	1,767,506
Commitments and Contingencies (Note 8)		0	0
Total Capitalization and Liabilities		$ 6,708,659	$ 6,462,157

[1] Netting Adjustments represent the impact of legally-enforceable master netting arrangements that allow the Company to net gain and loss positions held with the same counterparties. The net asset or net liability for each counterparty is recorded as an asset or liability on the Company’s balance sheet.