BALANCE SHEETS (UNAUDITED) (USD $) In Thousands	9 Months Ended		12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Sep. 30, 2010
ASSETS
Utility Plant	$ 1,362,780	$ 1,311,881	$ 1,326,284
Less: Accumulated depreciation and amortization	455,075	438,435	442,200
Net Utility Plant	907,705	873,446	884,084
Other Property and Investments	48,126	44,601	45,864
Current Assets:
Cash and cash equivalents	1,094	1,298	1,009
Accounts receivable:
Utility	87,021	79,729	70,053
Non-utility	1,181	993	848
Associated companies	5,620	19,195	310
Other	5,417	5,408	7,277
Allowance for doubtful accounts	(11,811)	(12,668)	(10,176)
Delayed customer billings	11,517	12,535	0
Inventories:
Natural gas stored underground at LIFO cost	56,976	54,308	113,576
Propane gas at FIFO cost	8,962	15,625	15,625
Materials, supplies, and merchandise at average cost	4,184	3,816	3,741
Derivative instrument assets	6,432	10,711	9,288
Unamortized purchased gas adjustments	3,939	0	23,718
Deferred income taxes	5,678	0	0
Prepayments and other	8,991	10,206	7,101
Total Current Assets	195,201	201,156	242,370
Deferred Charges:
Regulatory assets	427,021	457,034	479,462
Other	5,548	5,588	6,672
Total Deferred Charges	432,569	462,622	486,134
Total Assets	1,583,601	1,581,825	1,658,452
Capitalization:
Common stock and Paid-in capital (11,703, 11,664, and 11,674 shares issued, respectively)	211,801	207,060	208,154
Retained earnings	237,988	219,566	205,980
Accumulated other comprehensive loss	(2,597)	(2,521)	(2,875)
Total Common Stock Equity	447,192	424,105	411,259
Long-term debt (less current portion)	364,343	364,283	364,298
Total Capitalization	811,535	788,388	775,557
Current Liabilities:
Notes payable	0	76,200	129,650
Notes payable - associated companies	32,502	0	0
Accounts payable	42,233	35,055	36,706
Accounts payable - associated companies	1	2	652
Advance customer billings	0	0	16,809
Current portion of long-term debt	0	25,000	25,000
Wages and compensation accrued	14,866	14,310	13,410
Dividends payable	9,079	8,802	8,806
Customer deposits	10,914	12,328	11,244
Interest accrued	5,603	6,072	9,639
Taxes accrued	32,691	25,323	8,677
Unamortized purchased gas adjustments	0	392	0
Deferred income taxes	0	1,306	4,248
Other	11,337	8,334	11,385
Total Current Liabilities	159,226	213,124	276,226
Deferred Credits and Other Liabilities:
Deferred income taxes	305,479	275,178	292,766
Unamortized investment tax credits	3,379	3,592	3,538
Pension and postretirement benefit costs	196,757	199,563	207,607
Asset retirement obligations	26,987	26,639	25,829
Regulatory liabilities	50,308	45,468	47,365
Other	29,930	29,873	29,564
Total Deferred Credits and Other Liabilities	612,840	580,313	606,669
Commitments and Contingencies (Note 8)
Total Capitalization and Liabilities	$ 1,583,601	$ 1,581,825	$ 1,658,452