v3.26.1
Goodwill - Gross and Net Goodwill Balances (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Goodwill [Line Items]    
Gross Goodwill $ 6,225.8 $ 5,673.5
Accumulated impairment (414.0) (414.0)
Net Goodwill 5,811.8 5,259.5
U.S. Markets    
Goodwill [Line Items]    
Gross Goodwill 4,324.9 4,311.3
Accumulated impairment 0.0 0.0
Net Goodwill 4,324.9 4,311.3
International    
Goodwill [Line Items]    
Gross Goodwill 1,900.9 1,362.2
Accumulated impairment (414.0) (414.0)
Net Goodwill $ 1,486.9 $ 948.2