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, 2019, 2018 and 2017 were as follows:

	Year Ended December 31, 2019				As of December 31, 2019
	Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets	$	0.6	$	—	$	—
Goodwill		98.5		53.3		53.3
Other intangible assets		0.2		—		—
Total	$	99.3	$	53.3	$	53.3

	Year Ended December 31, 2018				As of December 31, 2018
	Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets	$	13.7	$	—	$	—
Other intangible assets		0.2		—		—
Total	$	13.9	$	—	$	—

	Year Ended December 31, 2017				As of December 31, 2017
	Impairment Charge		Fair Value Measurement (Level 3)		Net Book Value
Long-lived assets	$	1.3	$	0.7	$	—
Goodwill		21.3		—		—
Other intangible assets		0.2		—		—
Total	$	22.8	$	0.7	$	—