Income Taxes (Tables)

3 Months Ended

Dec. 31, 2012

Income Taxes [Abstract]

Components Of Federal And State Income Taxes Included In The Consolidated Statements Of Income

	Three Months Ended
	December 31,
	2012	2011
Current Income Taxes
Federal	$             -	$ (7)
State	2,549	1,334
Deferred Income Taxes
Federal	34,903	31,338
State	6,097	8,060
	43,549	40,725
Deferred Investment Tax Credit	(107)	(145)
Total Income Taxes	$ 43,442	$ 40,580
Presented as Follows:
Other Income	$ (107)	$ (145)
Income Tax Expense	43,549	40,725
Total Income Taxes	$ 43,442	$ 40,580

Schedule Of Income Tax Reconciliation By Applying Federal Income Tax Rate

	Three Months Ended
	December 31,
	2012	2011
U.S. Income Before Income Taxes	$ 111,386	$ 101,279
Income Tax Expense, Computed at U.S. Federal
Statutory Rate of 35%	$ 38,985	$ 35,448
Increase (Reduction) in Taxes Resulting from:
State Income Taxes	5,620	6,106
Miscellaneous	(1,163)	(974)
Total Income Taxes	$ 43,442	$ 40,580

Significant Components Of Deferred Tax Liabilities And Assets

	At December 31, 2012	At September 30, 2012
Deferred Tax Liabilities:
Property, Plant and Equipment	$ 1,365,011	$ 1,333,574
Pension and Other Post-Retirement Benefit        Costs	240,380	236,431
Other	52,468	43,294
Total Deferred Tax Liabilities	1,657,859	1,613,299
Deferred Tax Assets:
Pension and Other Post-Retirement Benefit        Costs	(274,649)	(276,501)
Tax Loss Carryforwards	(192,412)	(198,744)
Other	(83,359)	(83,052)
Total Deferred Tax Assets	(550,420)	(558,297)
Total Net Deferred Income Taxes	$ 1,107,439	$ 1,055,002
Presented as Follows:
Net Deferred Tax Liability/(Asset) – Current	$ (19,112)	$ (10,755)
Net Deferred Tax Liability – Non-Current	1,126,551	1,065,757
Total Net Deferred Income Taxes	$ 1,107,439	$ 1,055,002