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Gain on Sales of Real Estate
12 Months Ended
Dec. 31, 2020
Gain (Loss) on Disposition of Assets [Abstract]  
Gain on Sales of Real Estate Gain on Sales of Real Estate
 
The following table summarizes our properties sold during the periods indicated below (dollars in millions):
Year Ended December 31,
202020192018
Number of properties126 93 128 
Net sales proceeds$262.5 $108.9 $142.3 
Gain on sales of real estate$76.2 $30.0 $24.6 
These property sales do not represent a strategic shift that will have a major effect on our operations and financial results, and therefore do not require presentation as discontinued operations.