Financing (Tables)

6 Months Ended

Jun. 30, 2011

Financing [Abstract]

Long-term debt

	June 30,		December 31,
(in millions)	2011		2010
3.125% senior notes due 2016, net of unamortized discount	$	1,494.1	$	—
5.25% senior notes due 2012, net of unamortized discount		999.7		999.6
6.25% senior notes due 2014, net of unamortized discount		997.3		996.9
7.25% senior notes due 2019, net of unamortized discount		497.2		497.1
Revolving credit facility due August 13, 2013		100.0		—
Other		0.2		0.2
Total debt		4,088.5		2,493.8
Less current maturities		999.8		0.1
Long-term debt	$	3,088.7	$	2,493.7