Note 10 - Credit Facilities and Indebtedness (Tables)

9 Months Ended

Jun. 30, 2012

Schedule of Debt [Table Text Block]

	June 30, 2012			September 30, 2011
Credit facilities	$	280.0		$	-
3.25% Convertible Notes		850.0			850.0
7.5% Bonds		500.0			500.0
5.5% Bonds		300.0			300.0
Total principal debt obligations		1,930.0			1,650.0
Discounts:
3.25% Convertible Notes		(68.6	)		(93.5	)
7.5% Bonds		(2.1	)		(2.3	)
5.5% Bonds		(1.0	)		(1.1	)
Swap fair value adjustments:
7.5% Bonds		72.1			61.8
5.5% Bonds		39.4			31.4
Total outstanding debt, net	$	1,969.8		$	1,646.3

Convertible Debt Disclosure [Text Block]

	Periods Ended June 30,
	Quarters				Nine Months
	2012		2011		2012		2011
Contractual interest expense	$	6.9	$	6.9	$	20.7	$	20.7
Discount amortization		8.5		7.7		24.9		22.8
Remaining discount amortization period		1.9 years