Summary Of Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2013

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Non-Cash Capital Expenditures

	At June 30,				At September 30,
	2013		2012		2012		2011
		(Thousands)
Non-cash Capital Expenditures	$	58,632	$	118,624	$	67,503	$	125,115

Components Of Accumulated Other Comprehensive Income (Loss)

	At June 30, 2013		At September 30, 2012
Funded Status of the Pension and Other Post-Retirement
Benefit Plans	$	(100,561)	$	(100,561)
Net Unrealized Gain (Loss) on Derivative Financial Instruments		36,865		(1,602)
Net Unrealized Gain on Securities Available for Sale		5,087		3,143
Accumulated Other Comprehensive Loss	$	(58,609)	$	(99,020)

Schedule Of Other Current Assets

	At June 30, 2013		At September 30, 2012
Prepayments	$	10,472	$	8,316
Prepaid Property and Other Taxes		10,461		14,455
Federal Income Taxes Receivable		-		268
State Income Taxes Receivable		1,058		2,065
Fair Values of Firm Commitments		1,384		1,291
Regulatory Assets		22,830		29,726
	$	46,205	$	56,121

Schedule Of Other Accruals And Current Liabilities

	At June 30, 2013		At September 30, 2012
Accrued Capital Expenditures	$	49,348	$	36,460
Regulatory Liabilities		13,318		18,289
Reserve for Gas Replacement		22,032		-
Other		25,235		24,350
	$	109,933	$	79,099