Note 12 - Credit Facilities and Indebtedness (Tables)

12 Months Ended

Sep. 30, 2012

Schedule of Debt [Table Text Block]

September 30,	2012			2011
Credit facilities	$	140.0		$	-
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		1,790.0			1,650.0
Discounts:
3.25% Convertible Notes		(60.0	)		(93.5	)
7.5% Bonds		(2.1	)		(2.3	)
5.5% Bonds		(1.0	)		(1.1	)
Swap fair value adjustments:
7.5% Bonds		77.0			61.8
5.5% Bonds		42.5			31.4
Total outstanding debt, net	$	1,846.4		$	1,646.3

Schedule of Maturities of Long-term Debt [Table Text Block]

Expected principal payments	2013		2014		2015		2016		2017		Thereafter		Total
	$	-	$	850.0	$	-	$	140.0	$	-	$	800.0	$	1,790.0

Schedule Of Convertible Debt Disclosure Table Text Block

Years Ended September 30,	2012		2011		2010
Contractual interest expense	$	27.5	$	27.5	$	27.5
Discount amortization		33.4		30.6		28.0
Remaining discount amortization period (years)		1.6

Years Ended September 30,	2012		2011		2010
Contractual interest expense	$	-	$	-	$	3.8
Discount amortization		-		-		2.7