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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2023
Mar. 31, 2024
Goodwill [Line Items]    
Estimated amortization expense, remainder of 2024   $ 69.5
Estimated amortization expense, 2025   90.2
Estimated amortization expense, 2026   86.1
Estimated amortization expense, 2027   83.2
Estimated amortization expense, 2028   62.0
Estimated amortization expense, 2029   62.0
Estimated amortization expense, in later years   $ 472.1
Fair value reduction in reporting unit, 50 basis point decrease in discount rate $ 90.0  
Local Media    
Goodwill [Line Items]    
Percentage fair value in excess of carrying value 20.00%