Consolidated Balance Sheets - USD ($) $ in Thousands		Sep. 30, 2015	Sep. 30, 2014
ASSETS
Property, Plant and Equipment		$ 9,261,323	$ 8,245,791
Less - Accumulated Depreciation, Depletion and Amortization		3,929,428	2,502,700
Property, Plant and Equipment, Net, Total		5,331,895	5,743,091
Current Assets
Cash and Temporary Cash Investments		113,596	36,886
Hedging Collateral Deposits	[1]	11,124	2,734
Receivables - Net of Allowance for Uncollectible Accounts of $29,029 and $31,811, Respectively		105,004	149,735
Unbilled Revenue		20,746	25,663
Gas Stored Underground		34,252	39,422
Materials and Supplies - at average cost		30,414	27,817
Other Current Assets		60,665	54,752
Deferred Income Taxes		137,200	40,323
Total Current Assets		513,001	377,332
Other Assets
Recoverable Future Taxes		168,214	163,485
Unamortized Debt Expense		2,218	2,747
Other Regulatory Assets		278,227	224,436
Deferred Charges		15,129	14,212
Other Investments		92,990	86,788
Goodwill		5,476	5,476
Prepaid Post-Retirement Benefit Costs		24,459	36,512
Fair Value of Derivative Financial Instruments		270,363	72,606
Other		167	1,355
Total Other Assets		857,243	607,617
Total Assets		6,702,139	6,728,040
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 84,594,383 Shares and 84,157,220 Shares, Respectively		84,594	84,157
Paid In Capital		744,274	716,144
Earnings Reinvested in the Business		1,103,200	1,614,361
Accumulated Other Comprehensive Income (Loss)		93,372	(3,979)
Total Comprehensive Shareholders' Equity		2,025,440	2,410,683
Long-term Debt, Net of Unamortized Discount and Debt Issuance Costs		2,084,009	1,637,443
Total Capitalization		4,109,449	4,048,126
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper		0	85,600
Current Portion of Long-Term Debt	[2]	0	0
Accounts Payable		180,388	136,674
Amounts Payable to Customers		56,778	33,745
Dividends Payable		33,415	32,400
Interest Payable on Long-Term Debt		36,200	29,960
Customer Advances		16,236	19,005
Customer Security Deposits		16,490	15,761
Other Accruals and Current Liabilities		96,557	136,672
Fair Value of Derivative Financial Instruments		10,076	759
Total Current and Accrued Liabilities		446,140	490,576
Deferred Credits
Deferred Income Taxes		1,275,162	1,456,283
Taxes Refundable to Customers		89,448	91,736
Unamortized Investment Tax Credit		731	1,145
Cost of Removal Regulatory Liability		184,907	173,199
Other Regulatory Liabilities		108,617	81,152
Pension and Other Post-Retirement Liabilities		202,807	134,202
Asset Retirement Obligations		156,805	117,713
Other Deferred Credits		128,073	133,908
Total Deferred Credits		2,146,550	2,189,338
Commitments and Contingencies		0	0
Total Capitalization and Liabilities		$ 6,702,139	$ 6,728,040

[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.

[2] None of the Company’s long-term debt at September 30, 2015 and 2014 will mature within the following twelve-month period.