Fair Value Measurement (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value on a Nonrecurring Basis

The fair value as of the measurement date, net book value as of September 30, 2014 and 2013 and related impairment charge for assets measured at fair value on a nonrecurring basis subsequent to initial recognition during the three and nine months ended September 30, 2014 and 2013 were as follows:

	Three Months Ended September 30, 2014				Nine Months Ended September 30, 2014				As of September 30, 2014
	Impairment Charge		Fair Value Measurement (Level 3)		Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets held and used	$	—	$	—	$	1.9	$	1.4	$	1.2
Long-lived assets held for sale or disposal		2.1		2.3		9.3		13.7		5.4
Other intangible assets		—		—		1.0		—		—
Total	$	2.1	$	2.3	$	12.2	$	15.1	$	6.6

	Three Months Ended September 30, 2013				Nine Months Ended September 30, 2013				As of September 30, 2013
	Impairment Charge		Fair Value Measurement (Level 3)		Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets held and used	$	3.2	$	3.7	$	4.4	$	4.6	$	4.4
Long-lived assets held for sale or disposal		5.4		5.2		12.6		18.8		17.1
Total	$	8.6	$	8.9	$	17.0	$	23.4	$	21.5