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Intangible Assets - Narrative (Details) - Intangible Assets
$ in Millions
3 Months Ended
Mar. 31, 2024
USD ($)
Displays
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Finite-Lived Intangible Assets [Line Items]      
Gross $ 2,503.6   $ 2,489.8
Amortization 17.6 $ 21.8  
Impairment charges $ 9.1    
Series of Individually Immaterial Asset Acquisitions      
Finite-Lived Intangible Assets [Line Items]      
Intangible asset, useful life 15 years 2 months 12 days    
Permits and leasehold agreements      
Finite-Lived Intangible Assets [Line Items]      
Gross $ 1,540.2   $ 1,535.5
Permits and leasehold agreements | Series of Individually Immaterial Asset Acquisitions      
Finite-Lived Intangible Assets [Line Items]      
Gross $ 4.5    
Permits and leasehold agreements | Static and Digital Displays | Series of Individually Immaterial Asset Acquisitions      
Finite-Lived Intangible Assets [Line Items]      
Approximate number of displays acquired | Displays 2