Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

The fair values, balance sheet presentation, and the hedge designation status of derivative instruments at June 30, 2013 and December 31, 2012 are presented in the table below:



		Fair Value (Level 2) as of
(in millions)	Balance Sheet Location	June 30, 2013		December 31, 2012
Asset Derivatives
Interest rate swaps — designated as hedge	Deferred charges and other assets	$	—	$	17.0
Liability Derivatives
Interest rate swaps — designated as hedge	Other liabilities and deferred credits	11.2		—

Income statement impact of derivative instruments not designated as hedging instruments

The income statement impact of derivatives are presented in the table below:



		Amount of Gain (Loss) Recognized in Income on Derivatives
		Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	Location of Gain (Loss) Recognized in Income on Derivatives	2013		2012		2013		2012
Designated as hedges
Interest rate swaps	Interest expense	$	2.0	$	1.6	$	4.0	$	3.3
Not designated as hedges
Forward exchange contracts	Other operating (income) expense, net	0.1		0.4		0.2		0.9
Total		$	2.1	$	2.0	$	4.2	$	4.2