EXHIBIT 12

COMPUTATION OF RATIO OF
EARNINGS TO FIXED CHARGES
UNAUDITED

	Fiscal Year Ended September 30,
	2006			2005			2004			2003			2002
EARNINGS:
Income from Continuing Operations	$	138,091		$	153,515		$	154,265		$	181,067		$	113,502
Plus Income Tax Expense		76,086			92,978			94,590			124,150			69,944
Less Investment Tax Credit (1)		(697	)		(697	)		(697	)		(693	)		(702	)
(Less Income) Plus Loss from Unconsolidated Subsidiaries (3)		(3,583	)		796			(805	)		(535	)		14,943
Plus Distributions from Unconsolidated Subsidiaries		4,651			1,990			785			1,238			585
Plus Interest Expense on Long-Term Debt		72,629			73,244			82,989			91,381			88,646
Plus Other Interest Expense		5,952			9,069			6,763			11,196			15,109
Less Amortization of Loss on Reacquired Debt		(1,118	)		(1,066	)		(1,350	)		(2,078	)		(1,927	)
Plus (Less) Allowance for Borrowed Funds Used in Construction		296			201			298			(102	)		446
Plus Rentals (2)		2,810			3,554			4,286			4,573			4,906
	$	295,117		$	333,584		$	341,124		$	410,197		$	305,452
FIXED CHARGES:
Interest & Amortization of Premium and Discount of Funded Debt	$	72,629		$	73,244		$	82,989		$	91,381		$	88,646
Plus Other Interest Expense		5,952			9,069			6,763			11,196			15,109
Less Amortization of Loss on Reacquired Debt		(1,118	)		(1,066	)		(1,350	)		(2,078	)		(1,927	)
Plus (Less) Allowance for Borrowed Funds Used in Construction		296			201			298			(102	)		446
Plus Rentals (2)		2,810			3,554			4,286			4,573			4,906
	$	80,569		$	85,002		$	92,986		$	104,970		$	107,180
RATIO OF EARNINGS TO FIXED CHARGES		3.66			3.92			3.67			3.91			2.85

(1)	Investment Tax Credit is included in Other Income
(2)	Rentals shown above represent the portion of all rentals (other than delay rentals) deemed representative of the interest factor.
(3)	Fiscal 2002 and 2005 include the Impairment of Investment in Partnership of $15,167 and $4,158, respectively.