Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2016	Sep. 30, 2015
ASSETS
Property, Plant and Equipment		$ 9,451,538	$ 9,261,323
Less - Accumulated Depreciation, Depletion and Amortization		4,879,363	3,929,428
Property, Plant and Equipment, Net, Total		4,572,175	5,331,895
Current Assets
Cash and Temporary Cash Investments		93,700	113,596
Hedging Collateral Deposits	[1]	9,963	11,124
Receivables – Net of Allowance for Uncollectible Accounts of $34,236 and $29,029, Respectively		137,718	105,004
Unbilled Revenue		35,140	20,746
Gas Stored Underground		8,599	34,252
Materials and Supplies - at average cost		33,430	30,414
Unrecovered Purchased Gas Costs		1,245	0
Other Current Assets		56,714	60,665
Total Current Assets		376,509	375,801
Other Assets
Recoverable Future Taxes		172,417	168,214
Unamortized Debt Expense		1,953	2,218
Other Regulatory Assets		270,941	278,227
Deferred Charges		17,063	15,129
Other Investments		104,273	92,990
Goodwill		5,476	5,476
Prepaid Post-Retirement Benefit Costs		26,344	24,459
Fair Value of Derivative Financial Instruments		253,716	270,363
Other		157	167
Total Other Assets		852,340	857,243
Total Assets		5,801,024	6,564,939
Capitalization:
Common Stock, $1 Par Value Authorized - 200,000,000 Shares; Issued and Outstanding - 84,892,747 Shares and 84,594,383 Shares, Respectively		84,893	84,594
Paid in Capital		756,001	744,274
Earnings Reinvested in the Business		699,399	1,103,200
Accumulated Other Comprehensive Income		82,186	93,372
Total Comprehensive Shareholders’ Equity		1,622,479	2,025,440
Long-term Debt, Net of Unamortized Discount and Debt Issuance Costs		2,085,123	2,084,009
Total Capitalization		3,707,602	4,109,449
Current and Accrued Liabilities
Notes Payable to Banks and Commercial Paper		0	0
Current Portion of Long-Term Debt		0	0
Accounts Payable		111,054	180,388
Amounts Payable to Customers		42,217	56,778
Dividends Payable		33,533	33,415
Interest Payable on Long-Term Debt		34,900	36,200
Customer Advances		33	16,236
Customer Security Deposits		16,101	16,490
Other Accruals and Current Liabilities		104,925	96,557
Fair Value of Derivative Financial Instruments		9,864	10,076
Total Current and Accrued Liabilities		352,627	446,140
Deferred Credits
Deferred Income Taxes		844,916	1,137,962
Taxes Refundable to Customers		93,674	89,448
Unamortized Investment Tax Credit		557	731
Cost of Removal Regulatory Liability		189,421	184,907
Other Regulatory Liabilities		101,104	108,617
Pension and Other Post-Retirement Liabilities		216,852	202,807
Asset Retirement Obligations		171,991	156,805
Other Deferred Credits		122,280	128,073
Total Deferred Credits		1,740,795	2,009,350
Commitments and Contingencies (Note 6)		0	0
Total Capitalization and Liabilities		$ 5,801,024	$ 6,564,939

[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.