Impairments (Tables)

3 Months Ended

Mar. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of provisions for impairment

The following table summarizes our provisions for impairment during the periods indicated below (dollars in millions):

	Three Months Ended March 31,
	2020		2019
Total provisions for impairment	$	4.5	$	4.7
Number of properties:
Classified as held for sale	8		—
Classified as held for investment	1		—
Sold	7		11