Financing (Tables)

9 Months Ended

Sep. 30, 2011

Financing [Abstract]

Long-term debt

	September 30,		December 31,
(in millions)	2011		2010
3.125% senior notes due 2016, net of unamortized discount	$	1,494.4	$	—
5.25% senior notes due 2012, net of unamortized discount		999.8		999.6
6.25% senior notes due 2014, net of unamortized discount		997.6		996.9
7.25% senior notes due 2019, net of unamortized discount		497.2		497.1
Revolving credit facility due August 29, 2016		—		—
Revolving credit facility due August 13, 2013		—		—
Other		0.2		0.2
Total debt		3,989.2		2,493.8
Less current maturities		999.9		0.1
Long-term debt	$	2,989.3	$	2,493.7