Debt (Tables)

9 Months Ended

Sep. 30, 2012

Debt Disclosure [Abstract]

Long-term debt obligations , net of current maturities

The following table summarizes our long-term debt obligations, net of current maturities:

($ in millions)	September 30, 2012		December 31, 2011
Revolving credit facility, due 2017	$	99.4	$	—
Revolving credit facility, due 2014	—		6.4
Series A notes, due 2022	42.0		—
Series B notes, due 2024	53.0		—
Series C notes, due 2027	73.0		—
Series A floating rate notes, due 2012	—		50.0
Series B floating rate notes, due 2015	25.0		25.0
Euro note A, due 2013	26.3		26.3
Euro note B, due 2016	78.7		79.0
Convertible debt, due 2047	3.1		161.5
Term loan, due 2014	0.2		0.2
Capital leases, due through 2016	0.7		1.0
	401.4		349.4
Less: current portion of long-term debt	39.3		50.1
	$	362.1	$	299.3