Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Dec. 31, 2018	Sep. 30, 2018
ASSETS
Property, Plant and Equipment		$ 10,604,089	$ 10,439,839
Less - Accumulated Depreciation, Depletion and Amortization		5,520,472	5,462,696
Property, Plant and Equipment, Net, Total		5,083,617	4,977,143
Current Assets
Cash and Temporary Cash Investments		109,754	229,606
Hedging Collateral Deposits	[1]	2,784	3,441
Receivables – Net of Allowance for Uncollectible Accounts of $26,318 and $24,537, Respectively		192,604	141,498
Unbilled Revenue		74,497	24,182
Gas Stored Underground		30,336	37,813
Materials and Supplies - at average cost		34,947	35,823
Unrecovered Purchased Gas Costs		8,700	4,204
Other Current Assets		69,219	68,024
Total Current Assets		522,841	544,591
Other Assets
Recoverable Future Taxes		114,219	115,460
Unamortized Debt Expense		15,412	15,975
Other Regulatory Assets		111,611	112,918
Deferred Charges		42,994	40,025
Other Investments		129,715	132,545
Goodwill		5,476	5,476
Prepaid Post-Retirement Benefit Costs		84,609	82,733
Fair Value of Derivative Financial Instruments		34,244	9,518
Other		42,190	102
Total Other Assets		580,470	514,752
Total Assets		6,186,928	6,036,486
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 86,270,957 Shares and 85,956,814 Shares, Respectively		86,271	85,957
Paid in Capital		817,076	820,223
Earnings Reinvested in the Business		1,172,334	1,098,900
Accumulated Other Comprehensive Loss		(28,690)	(67,750)
Total Comprehensive Shareholders’ Equity		2,046,991	1,937,330
Long-Term Debt, Net of Current Portion and Unamortized Discount and Debt Issuance Costs		2,131,880	2,131,365
Total Capitalization		4,178,871	4,068,695
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper		0	0
Current Portion of Long-Term Debt		0	0
Accounts Payable		127,926	160,031
Amounts Payable to Customers		0	3,394
Dividends Payable		36,663	36,532
Interest Payable on Long-Term Debt		30,016	19,062
Customer Advances		7,351	13,609
Customer Security Deposits		23,842	25,703
Other Accruals and Current Liabilities		191,172	132,693
Fair Value of Derivative Financial Instruments		2,112	49,036
Total Current and Accrued Liabilities		419,082	440,060
Deferred Credits
Deferred Income Taxes		598,285	512,686
Taxes Refundable to Customers		366,448	370,628
Cost of Removal Regulatory Liability		214,842	212,311
Other Regulatory Liabilities		150,337	146,743
Pension and Other Post-Retirement Liabilities		40,842	66,103
Asset Retirement Obligations		104,343	108,235
Other Deferred Credits		113,878	111,025
Total Deferred Credits		1,588,975	1,527,731
Commitments and Contingencies (Note 7)		0	0
Total Capitalization and Liabilities		$ 6,186,928	$ 6,036,486

[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.