Long-Term Debt (Tables)

6 Months Ended

Mar. 31, 2012

Long-Term Debt [Abstract]

Long-Term Debt

	March 31, 2012						September 30, 2011
	Balance			Rate			Balance			Rate
Fixed Rate Senior Notes, Series C	$	50.0			5.43	%	$	50.0			5.43	%
Fixed Rate Senior Notes, Series D		21.4			4.76	%		32.1			4.76	%
Fixed Rate Senior Notes, Series E		100.0			5.57	%		100.0			5.57	%
Fixed Rate Senior Notes, Series F		75.0			5.43	%		75.0			5.43	%
Fixed Rate Senior Notes, Series I-1		75.0			5.56	%		75.0			5.56	%
Fixed Rate Senior Notes, Series I-2		25.0			5.58	%		25.0			5.58	%
Fixed Rate Senior Notes, Series J		100.0			5.93	%		100.0			5.93	%
Fixed Rate Senior Notes maturing 2018		577.5			7.29	%		577.5			7.29	%
Floating Rate Senior Notes maturing 2018		20.0			3.04	%		20.0			2.80	%
Fixed Rate Senior Notes maturing 2020		67.0			7.39	%		67.0			7.39	%
4.95% Senior Notes maturing 2020		300.0			4.95	%		300.0			4.95	%
Fixed Rate Senior Notes maturing 2039		450.0			6.63	%		450.0			6.63	%
Fixed Rate Senior Notes, Series 2009A		50.0			7.45	%		50.0			7.45	%
Fixed Rate Senior Notes, Series 2009B		50.0			7.60	%		50.0			7.60	%
2010 Revolving Credit Agreement		—			n/a			19.9			2.62	%
2010 Term Loan		—			n/a			190.0			2.75	%
		1,960.9						2,181.5
Plus: Unamortized premium (discount), net		3.1						3.1
Plus: Unamortized adjustment related to interest rate fair value hedge		17.2						18.6
Less: Current portion		(85.7	)					(30.7	)
	$	1,895.5					$	2,172.5