v3.25.2
Acquisitions, Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross $ 1,014.1 $ 962.9
Accumulated Amortization (600.8) (554.1)
Total $ 413.3 $ 408.8
Weighted-Average Useful Life (years) 12 years 12 years
Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived
The preliminary allocation of the estimated fair values of the assets acquired and liabilities assumed includes $9.7 million of goodwill, which is not deductible for income tax purposes, and $13.1 million of acquired intangible assets, as follows:
(in millions)Weighted average useful life (years)
Customer-related assets$0.6 10
Technology-based assets12.5 5
Total intangible assets$13.1 
The preliminary allocation of the estimated fair values of the assets acquired and liabilities assumed includes $22.4 million of goodwill, which is not deductible for income tax purposes, and $10.6 million of acquired intangible assets, as follows:

(in millions)Weighted average useful life (years)
Customer-related assets$1.4 15
Technology-based assets9.1 8
Intellectual property0.1 3
Total intangible assets$10.6 
  
Customer-related assets    
Finite-Lived Intangible Assets [Line Items]    
Gross $ 590.8 $ 572.4
Accumulated Amortization (309.7) (281.1)
Total $ 281.1 $ 291.3
Weighted-Average Useful Life (years) 14 years 14 years
Intellectual property & other    
Finite-Lived Intangible Assets [Line Items]    
Gross $ 91.4 $ 88.6
Accumulated Amortization (72.0) (67.5)
Total $ 19.4 $ 21.1
Weighted-Average Useful Life (years) 8 years 8 years
Technology-Based Intangible Assets    
Finite-Lived Intangible Assets [Line Items]    
Gross $ 331.9 $ 301.9
Accumulated Amortization (219.1) (205.5)
Total $ 112.8 $ 96.4
Weighted-Average Useful Life (years) 8 years 8 years