Income Taxes (Tables)

6 Months Ended

Mar. 31, 2012

Income Taxes [Abstract]

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

	Six Months Ended
	March 31,
	2012	2011
Current Income Taxes
Federal	$(4)	$-
State	3,906	3,677
Deferred Income Taxes
Federal	66,416	87,598
State	15,280	18,912
	85,598	110,187
Deferred Investment Tax Credit	(291)	(348)
Total Income Taxes	$85,307	$109,839
Presented as Follows:
Other Income	$(291)	$(348)
Income Tax Expense	85,598	110,187
Total Income Taxes	$85,307	$109,839

Schedule Of Income Tax Reconciliation By Applying Federal Income Tax Rate

	Six Months Ended
	March 31,
	2012	2011
U.S. Income Before Income Taxes	$213,398	$283,993
Income Tax Expense, Computed at Federal
Statutory Rate of 35%	$74,689	$99,398
Increase (Reduction) in Taxes Resulting from:
State Income Taxes	12,471	14,683
Miscellaneous	(1,853)	(4,242)
Total Income Taxes	$85,307	$109,839

Significant Components Of Deferred Tax Liabilities And Assets

	At March 31, 2012	At September 30, 2011
Deferred Tax Liabilities:
Property, Plant and Equipment	$1,185,296	$1,062,255
Pension and Other Post-Retirement Benefit Costs	208,404	217,302
Other	68,426	70,389
Total Deferred Tax Liabilities	1,462,126	1,349,946
Deferred Tax Assets:
Pension and Other Post-Retirement Benefit Costs	(263,532)	(263,606)
Tax Loss Carryforwards	(99,590)	(71,516)
Other	(78,496)	(74,863)
Total Deferred Tax Assets	(441,618)	(409,985)
Total Net Deferred Income Taxes	$1,020,508	$939,961
Presented as Follows:
Net Deferred Tax Liability/(Asset) – Current	$(20,281)	$ (15,423)
Net Deferred Tax Liability – Non-Current	1,040,789	955,384
Total Net Deferred Income Taxes	$1,020,508	$939,961