Summary Of Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Components Of Accumulated Other Comprehensive Income

The components of Accumulated Other Comprehensive Income and changes for the three months ended December 31, 2015 and 2014, net of related tax effect, are as follows (amounts in parentheses indicate debits) (in thousands): 

	Gains and Losses on Derivative Financial Instruments			Gains and Losses on Securities Available for Sale			Funded Status of the Pension and Other Post-Retirement Benefit Plans			Total
Three Months Ended December 31, 2015
Balance at October 1, 2015	$	157,197		$	5,969		$	(69,794	)	$	93,372
Other Comprehensive Gains and Losses Before Reclassifications	44,696			(447		)	—			44,249
Amounts Reclassified From Other Comprehensive Income	(39,165		)	—			—			(39,165		)
Balance at December 31, 2015	$	162,728		$	5,522		$	(69,794	)	$	98,456
Three Months Ended December 31, 2014
Balance at October 1, 2014	$	43,659		$	8,382		$	(56,020	)	$	(3,979	)
Other Comprehensive Gains and Losses Before Reclassifications	140,880			(252		)	—			140,628
Amounts Reclassified From Other Comprehensive Income	(14,176		)	—			—			(14,176		)
Balance at December 31, 2014	$	170,363		$	8,130		$	(56,020	)	$	122,473

Schedule Of Reclassifications Out Of Accumulated Other Comprehensive Income

The details about the reclassification adjustments out of accumulated other comprehensive income for the three months ended December 31, 2015 and 2014 are as follows (amounts in parentheses indicate debits to the income statement) (in thousands):

Details About Accumulated Other Comprehensive Income (Loss) Components	Amount of Gain or (Loss) Reclassified from Accumulated Other Comprehensive Income						Affected Line Item in the Statement Where Net Income (Loss) is Presented
	Three Months Ended December 31,
	2015			2014
Gains (Losses) on Derivative Financial Instrument Cash Flow Hedges:
Commodity Contracts		$56,327			$20,036		Operating Revenues
Commodity Contracts	920			4,229			Purchased Gas
Foreign Currency Contracts	(77		)	—			Operation and Maintenance Expense
	57,170			24,265			Total Before Income Tax
	(18,005		)	(10,089		)	Income Tax Expense
		$39,165			$14,176		Net of Tax

Schedule Of Other Current Assets

The components of the Company’s Other Current Assets are as follows (in thousands):

	At December 31, 2015		At September 30, 2015
Prepayments	$	8,727	$	10,743
Prepaid Property and Other Taxes	15,143		13,709
Federal Income Taxes Receivable	7,120		—
Fair Values of Firm Commitments	16,618		15,775
Regulatory Assets	18,537		20,438
	$	66,145	$	60,665

Schedule Of Other Accruals And Current Liabilities

The components of the Company’s Other Accruals and Current Liabilities are as follows (in thousands):

	At December 31, 2015		At September 30, 2015
Accrued Capital Expenditures	$	61,362	$	53,652
Regulatory Liabilities	4,695		5,346
Reserve for Gas Replacement	976		—
Federal Income Taxes Payable	—		5,686
State Income Taxes Payable	751		1,170
Other	28,046		30,703
	$	95,830	$	96,557