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Goodwill and Other Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 3,995,477 $ 3,839,323
Accumulated Amortization 2,884,012 2,776,722
Goodwill, gross carrying amount 2,364,737 2,288,618
Goodwill, accumulated amortization 253,536 253,536
Customer lists and contracts    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 759,312 732,098
Accumulated Amortization $ 682,849 665,095
Customer lists and contracts | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 7 years  
Customer lists and contracts | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 10 years  
Non-competition agreements    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 73,507 71,960
Accumulated Amortization $ 67,544 66,894
Non-competition agreements | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 3 years  
Non-competition agreements | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 15 years  
Site locations    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 15 years  
Gross Carrying Amount $ 3,109,314 2,982,504
Accumulated Amortization 2,090,359 2,002,272
Other    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 53,344 52,761
Accumulated Amortization $ 43,260 $ 42,461
Other | Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 2 years  
Other | Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated Life (Years) 15 years