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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
The range of estimated useful lives is as follows:
Buildings and improvements
5 to 40 years
Service equipment
5 to 15 years
Furniture, office equipment, signs and fixtures
3 to 10 years
Property and equipment consisted of the following:
December 31,
(Dollars in millions)20202019
Land$699.3 $473.0 
Building and improvements1,149.7 948.0 
Service equipment123.6 113.3 
Furniture, office equipment, signs and fixtures 512.9 327.0 
2,485.5 1,861.3 
Less accumulated depreciation(338.0)(284.3)
2,147.5 1,577.0 
Construction in progress50.0 34.7 
$2,197.5 $1,611.7