Debt (Tables)

12 Months Ended

Dec. 31, 2011

Debt [Abstract]

Debt

Our debt consisted of the following (in millions):

As of December 31,	2011			2010
Short-term debt
Senior Credit Facility	$	143.0		$	–
Other short-term debt		0.3			–
Total short-term debt	$	143.3		$	–
Long-term debt
Senior Notes due 2014	$	250.0		$	–
Senior Notes due 2019		500.0			500.0
Senior Notes due 2021		300.0			–
Senior Notes due 2039		500.0			500.0
Debt discount		(1.8	)		(1.2	)
Adjustment related to interest rate swaps		27.8			1.5
Senior Credit Facility		–			141.8
Total long-term debt	$	1,576.0		$	1,142.1