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Property and Equipment, Net
 3 Months Ended
Mar. 31, 2022
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net Property and Equipment, Net
The table below presents the balances of major classes of assets and accumulated depreciation.
As of
(in millions)Estimated Useful LivesMarch 31,
2022		December 31,
2021
Land$103.3 $102.9 
Buildings
15 to 35 years
50.6 50.3 
Advertising structures
3 to 20 years
1,953.6 1,937.4 
Furniture, equipment and other
3 to 10 years
175.6 171.3 
Construction in progress47.8 38.7 
2,330.9 2,300.6 
Less: Accumulated depreciation1,678.8 1,652.7 
Property and equipment, net$652.1 $647.9 
Depreciation expense was $19.3 million in the three months ended March 31, 2022, and $20.0 million in the three months ended March 31, 2021.