Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2016

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 June 30, 2016 and December 31, 2015 are presented in the table below: 

		Fair Value (Level 2) As of
(in millions)	Balance Sheet Location	June 30, 2016		December 31, 2015
Asset Derivatives
Interest rate swaps — designated as hedge	Deferred charges and other assets	$	22.0	$	5.2

Income statement impact of derivative instruments not designated as hedging instruments

The income statement impact of derivatives is 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	2016			2015			2016			2015
Designated as hedges
Interest rate swaps	Interest expense	$	1.5		$	1.9		$	2.9		$	3.9
Not designated as hedges
Forward exchange contracts	Other operating income	(0.2		)	(0.2		)	(0.9		)	0.4
Total		$	1.3		$	1.7		$	2.0		$	4.3