Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Derivative Instruments and Hedging Activities Disclosure [Abstract]

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



		Fair Value (Level 2) as of
(in millions)	Balance Sheet Location	December 31, 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	20.2		—

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
(in millions)	Income Statement Location	2013		2012		2011
Designated as hedges
Interest rate swaps	Interest expense	$	8.1	$	7.0	$	1.6
Not designated as hedges
Forward exchange contracts	Other operating income	0.1		0.8		0.5
Currency swap contracts	Other non-operating income	—		—		(1.8		)
Total		$	8.2	$	7.8	$	0.3