Consolidated Balance Sheets (USD $)	Oct. 31, 2012	Oct. 31, 2011
Utility Plant
Utility plant in service	$ 3,746,178,000	$ 3,377,310,000
Less accumulated depreciation	1,036,814,000	974,631,000
Utility plant in service, net	2,709,364,000	2,402,679,000
Construction work in progress	388,979,000	217,832,000
Plant held for future use	6,743,000	6,751,000
Total utility plant, net	3,105,086,000	2,627,262,000
Other physical property at cost, net	415,000	452,000
Current Assets
Cash and cash equivalents	1,959,000	6,777,000
Trade accounts receivable, net	56,700,000	57,035,000
Income taxes receivable	31,606,000	15,966,000
Other receivables	2,104,000	2,547,000
Unbilled utility revenues	24,012,000	28,715,000
Gas in storage	72,661,000	91,124,000
Materials, supplies and merchandise	934,000	1,368,000
Gas purchase derivative assets, at fair value	3,153,000	2,772,000
Amounts due from customers	81,626,000	38,649,000
Prepayments	30,600,000	39,128,000
Deferred income taxes	0	1,793,000
Other current assets	287,000	147,000
Total current assets	305,642,000	286,021,000
Noncurrent Assets
Equity method investments in non-utility activities	87,867,000	85,121,000
Goodwill	48,852,000	48,852,000
Marketable securities, at fair value	2,131,000	1,439,000
Overfunded postretirement asset	0	22,879,000
Regulatory asset for postretirement benefits	123,290,000	81,073,000
Unamortized debt expense	13,583,000	11,315,000
Regulatory cost of removal asset	21,129,000	19,336,000
Other noncurrent assets	61,944,000	58,791,000
Total noncurrent assets	358,796,000	328,806,000
Total Assets	3,769,939,000	3,242,541,000
Stockholders' equity
Cumulative preferred stock - no par value	0	0
Common stock - no par value	442,461,000	446,791,000
Retained earnings	584,848,000	550,584,000
Accumulated other comprehensive loss	(305,000)	(452,000)
Total stockholders' equity	1,027,004,000	996,923,000
Long-term debt	975,000,000	675,000,000
Total capitalization	2,002,004,000	1,671,923,000
Current Liabilities
Short-term debt	365,000,000	331,000,000
Trade accounts payable	94,269,000	85,721,000
Other accounts payable	47,699,000	43,959,000
Accrued interest	21,450,000	20,038,000
Customers' deposits	21,739,000	25,462,000
Current deferred taxes	13,542,000	0
General taxes accrued	21,504,000	21,262,000
Amounts due to customers	28,000	2,617,000
Other current liabilities	7,320,000	4,073,000
Total current liabilities	592,551,000	534,132,000
Noncurrent Liabilities
Deferred income taxes	597,211,000	512,961,000
Unamortized federal investment tax credits	1,669,000	2,004,000
Accumulated provision for postretirement benefits	37,299,000	14,671,000
Cost of removal obligations	492,963,000	466,000,000
Other noncurrent liabilities	46,242,000	40,850,000
Total noncurrent liabilities	1,175,384,000	1,036,486,000
Commitments and Contingencies
Total	$ 3,769,939,000	$ 3,242,541,000