Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2014

Assets Measured at Fair Value on a Nonrecurring Basis

The fair value as of the measurement date, net book value as of the end of the year and related impairment charge for assets measured at fair value on a nonrecurring basis subsequent to initial recognition during the years ended December 31, 2014, 2013 and 2012 were as follows:

	Year Ended December 31, 2014				As of December 31, 2014
	Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets held and used	$	5.4	$	1.3	$	1.3
Long-lived assets held for sale or disposal		12.5		20.8		3.2
Goodwill		18.1		—		—
Other intangible assets		15.0		—		—
Total	$	51.0	$	22.1	$	4.5

	Year Ended December 31, 2013				As of December 31, 2013
	Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets held and used	$	4.2	$	4.2	$	4.0
Long-lived assets held for sale or disposal		14.8		20.2		18.5
Other intangible assets		3.3		—		—
Total	$	22.3	$	24.4	$	22.5

	Year Ended December 31, 2012				As of December 31, 2012
	Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets held and used	$	8.0	$	9.8	$	8.5
Long-lived assets held for sale or disposal		15.6		16.4		6.3
Goodwill		848.4		18.1		18.1
Other intangible assets		158.0		3.1		3.1
Total	$	1,030.0	$	47.4	$	36.0

Fair Value, Valuation Techniques and Related Unobservable Inputs of Level Three

The following table presents the fair value, valuation techniques and related unobservable inputs for these Level 3 measurements for the years ended December 31, 2014, 2013 and 2012:

	Fair Value		Valuation Technique	Unobservable Input	Range
2014
Customer relationships	$	—	Excess earnings	Discount rate	12.0%-18.0%
				Attrition rate	6.6% - 12.0%

2013
Customer relationships	$	—	With and without method	Discount rate		16.0%

2012
Customer relationships	$	3.1	Excess earnings	Discount rate	12.5% -15.0%
				Attrition rate	2.0% - 15.9%