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Intangible Assets - Estimated Aggregate Amortization Expense (Detail) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]    
2025 (remaining nine months) $ 494.3  
2026 620.8  
2027 581.7  
2028 539.3  
2029 489.5  
Thereafter 1,806.6  
Amortizable intangible assets, net $ 4,532.2 $ 4,530.1