Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Sep. 30, 2013
ASSETS
Property, Plant and Equipment	$ 7,468,200		$ 7,313,203
Less - Accumulated Depreciation, Depletion and Amortization	2,242,521		2,161,477
Property, Plant and Equipment, Net, Total	5,225,679		5,151,726
Current Assets
Cash and Temporary Cash Investments	23,880		64,858
Hedging Collateral Deposits	0	[1]	1,094	[1]
Receivables - Net of Allowance for Uncollectible Accounts of $31,445 and $27,144, Respectively	164,074		133,182
Unbilled Revenue	80,828		19,483
Gas Stored Underground	36,047		51,484
Materials and Supplies - at average cost	27,364		29,904
Unrecovered Purchased Gas Costs	9,001		12,408
Other Current Assets	45,197		56,905
Deferred Income Taxes	23,127		79,359
Total Current Assets	409,518		448,677
Other Assets
Recoverable Future Taxes	162,296		163,355
Unamortized Debt Expense	16,065		16,645
Other Regulatory Assets	257,697		252,568
Deferred Charges	9,818		9,382
Other Investments	99,433		96,308
Goodwill	5,476		5,476
Prepaid Post-Retirement Benefit Costs	24,865		22,774
Fair Value of Derivative Financial Instruments	53,678		48,989
Other	459		2,447
Total Other Assets	629,787		617,944
Total Assets	6,264,984		6,218,347
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 83,741,402 Shares and 83,661,969 Shares, Respectively	83,741		83,662
Paid in Capital	695,571		687,684
Earnings Reinvested in the Business	1,493,466		1,442,617
Accumulated Other Comprehensive Loss	(22,038)		(19,234)
Total Comprehensive Shareholders' Equity	2,250,740		2,194,729
Long-Term Debt, Net of Current Portion	1,649,000		1,649,000
Total Capitalization	3,899,740		3,843,729
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper	0		0
Current Portion of Long-Term Debt	0		0
Accounts Payable	121,615		105,283
Amounts Payable to Customers	8,884		12,828
Dividends Payable	31,403		31,373
Interest Payable on Long-Term Debt	18,195		29,960
Customer Advances	18,678		21,959
Customer Security Deposits	15,690		16,183
Other Accruals and Current Liabilities	102,709		83,946
Fair Value of Derivative Financial Instruments	7,161		639
Total Current and Accrued Liabilities	324,335		302,171
Deferred Credits
Deferred Income Taxes	1,318,577		1,347,007
Taxes Refundable to Customers	84,781		85,655
Unamortized Investment Tax Credit	1,470		1,579
Cost of Removal Regulatory Liability	163,238		157,622
Other Regulatory Liabilities	69,897		61,549
Pension and Other Post-Retirement Liabilities	139,664		158,014
Asset Retirement Obligations	120,122		119,511
Other Deferred Credits	143,160		141,510
Total Deferred Credits	2,040,909		2,072,447
Commitments and Contingencies
Total Capitalization and Liabilities	$ 6,264,984		$ 6,218,347

[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.