Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Sep. 30, 2014
ASSETS
Property, Plant and Equipment	$ 8,452,022		$ 8,245,791
Less - Accumulated Depreciation, Depletion and Amortization	2,598,291		2,502,700
Property, Plant and Equipment, Net, Total	5,853,731		5,743,091
Current Assets
Cash and Temporary Cash Investments	43,924		36,886
Hedging Collateral Deposits	13,468	[1]	2,734	[1]
Receivables – Net of Allowance for Uncollectible Accounts of $35,443 and $31,811, Respectively	166,887		149,735
Unbilled Revenue	69,429		25,663
Gas Stored Underground	25,555		39,422
Materials and Supplies - at average cost	28,425		27,817
Other Current Assets	68,053		54,752
Deferred Income Taxes	36,421		40,323
Total Current Assets	452,162		377,332
Other Assets
Recoverable Future Taxes	164,390		163,485
Unamortized Debt Expense	13,716		14,304
Other Regulatory Assets	222,609		224,436
Deferred Charges	12,524		14,212
Other Investments	87,468		86,788
Goodwill	5,476		5,476
Prepaid Post-Retirement Benefit Costs	39,520		36,512
Fair Value of Derivative Financial Instruments	293,314		72,606
Other	184		1,355
Total Other Assets	839,201		619,174
Total Assets	7,145,094		6,739,597
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 84,264,485 Shares and 84,157,220 Shares, Respectively	84,264		84,157
Paid in Capital	729,733		716,144
Earnings Reinvested in the Business	1,666,659		1,614,361
Accumulated Other Comprehensive Income (Loss)	122,473		(3,979)
Total Comprehensive Shareholders’ Equity	2,603,129		2,410,683
Long-Term Debt, Net of Current Portion	1,649,000		1,649,000
Total Capitalization	4,252,129		4,059,683
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper	172,900		85,600
Current Portion of Long-Term Debt	0		0
Accounts Payable	125,822		136,674
Amounts Payable to Customers	35,994		33,745
Dividends Payable	32,442		32,400
Interest Payable on Long-Term Debt	18,195		29,960
Customer Advances	20,436		19,005
Customer Security Deposits	16,391		15,761
Other Accruals and Current Liabilities	137,285		136,672
Fair Value of Derivative Financial Instruments	11,061		759
Total Current and Accrued Liabilities	570,526		490,576
Deferred Credits
Deferred Income Taxes	1,580,626		1,456,283
Taxes Refundable to Customers	90,303		91,736
Unamortized Investment Tax Credit	1,041		1,145
Cost of Removal Regulatory Liability	175,941		173,199
Other Regulatory Liabilities	96,959		81,152
Pension and Other Post-Retirement Liabilities	126,108		134,202
Asset Retirement Obligations	118,035		117,713
Other Deferred Credits	133,426		133,908
Total Deferred Credits	2,322,439		2,189,338
Commitments and Contingencies	0		0
Total Capitalization and Liabilities	$ 7,145,094		$ 6,739,597

[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.