Gain on Sales of Real Estate (Tables)

12 Months Ended

Dec. 31, 2020

Gain (Loss) on Disposition of Assets [Abstract]

Schedule of properties sold

The following table summarizes our properties sold during the periods indicated below (dollars in millions):

	Year Ended December 31,
	2020		2019		2018
Number of properties	126		93		128
Net sales proceeds	$	262.5	$	108.9	$	142.3
Gain on sales of real estate	$	76.2	$	30.0	$	24.6