Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair values for derivatives

The fair values, balance sheet presentation, and the hedge designation status of derivative instruments at September 30, 2012 and December 31, 2011 are presented in the table below:

(in millions)	Balance Sheet Location	Fair Value As of September 30, 2012		Fair Value As of December 31, 2011
Asset Derivatives
Interest rate swaps — designated as hedge	Deferred charges and other assets	$	20.6	$	3.3

Income statement impact of derivative instruments not designated as hedging instruments

The income statement impact of derivative instruments not designated as hedging instruments is presented in the table below:

		Amount of Gain (Loss) Recognized in Income on Derivatives
		Three Months Ended September 30,					Nine Months Ended September 30,
(in millions)	Location of Gain (Loss) Recognized in Income on Derivatives	2012		2011			2012		2011
Currency swap contracts	Other non-operating (income) expense, net	$	—	$	0.1		$	—	$	(1.8	)
Forward exchange contracts	Other operating (income) expense, net	—		(1.3		)	0.9		0.6
Total		$	—	$	(1.2	)	$	0.9	$	(1.2	)