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Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Definite-Lived:    
Gross Carrying Amount $ 1,163.5 $ 1,157.1
Accumulated Amortization 472.4 411.6
Indefinite-Lived:    
Total 1,208.4 1,201.9
In-process research and development    
Indefinite-Lived:    
Indefinite-Lived: 14.0 14.0
Trademarks    
Indefinite-Lived:    
Indefinite-Lived: 30.9 30.8
Customer relationships    
Definite-Lived:    
Gross Carrying Amount 497.7 493.6
Accumulated Amortization 232.7 209.9
Existing technology    
Definite-Lived:    
Gross Carrying Amount 570.4 567.5
Accumulated Amortization 176.3 143.9
Trademarks    
Definite-Lived:    
Gross Carrying Amount 70.6 69.4
Accumulated Amortization 40.5 34.9
Other    
Definite-Lived:    
Gross Carrying Amount 24.8 26.6
Accumulated Amortization $ 22.9 $ 22.9