CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2011		Dec. 31, 2010
OPERATING REVENUES
Utility	$ 191,374		$ 290,676
Nonutility	451,037		422,476
Total operating revenues	642,411		713,152
OPERATING EXPENSES
Gas Purchases - Utility	85,630		160,449
Gas Purchases - Nonutility	406,417		429,247
Operation and maintenance	38,945		37,416
Regulatory rider expenses	12,543		16,698
Depreciation and amortization	9,600		8,454
Energy and other taxes	14,058		20,625
Total operating expenses	567,193		672,889
OPERATING INCOME	75,218		40,263
Other income	527		445
Interest expense, net of capitalized interest	5,005		5,263
INCOME BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF AFFILIATES	70,740		35,445
Income tax provision (benefit)	16,037		13,853
Equity in earnings of affiliates	2,654		2,917
NET INCOME	$ 57,357		$ 24,509
EARNINGS PER COMMON SHARE
BASIC	$ 1.38		$ 0.59
DILUTED	$ 1.38	[1]	$ 0.59	[1]
DIVIDENDS PER COMMON SHARE	$ 0.38		$ 0.36
WEIGHTED AVERAGE SHARES OUTSTANDING
BASIC	41,434		41,280
DILUTED	41,651		41,510

[1] There were no anti-dilutive shares excluded from the calculation of diluted earnings per share for the three months ended December 31, 2011 and 2010.