Summary Of Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2012

Summary Of Significant Accounting Policies [Abstract]

Components Of Accumulated Other Comprehensive Income (Loss)

	At June 30, 2012	At September 30, 2011
Funded Status of the Pension and Other Post-Retirement Benefit Plans	$(89,587)	$(89,587)
Net Unrealized Gain on Derivative Financial Instruments	39,502	40,979
Net Unrealized Gain on Securities Available for Sale	2,145	909
Accumulated Other Comprehensive Loss	$(47,940)	$(47,699)

Schedule Of Other Current Assets

	At June 30, 2012	At September 30, 2011
Prepayments	$9,762	$9,489
Prepaid Property and Other Taxes	11,020	13,240
Federal Income Taxes Receivable	385	385
State Income Taxes Receivable	-	6,124
Fair Values of Firm Commitments	5,479	9,096
Regulatory Assets	21,600	26,589
	$48,246	$64,923