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Goodwill and Other Intangible Assets (Tables)
9 Months Ended
Sep. 28, 2025
Goodwill and Other Intangible Assets [Abstract]  
Intangible Assets Subject to Amortization
Acquired intangible assets subject to amortization as of September 28, 2025 and December 31, 2024 were as follows:
 
  Sep. 28, 2025 Dec. 31, 2024
 Weighted Average Gross   Gross  
 Useful Life Carrying Accumulated Carrying Accumulated
(in millions of dollars)(Years) Amount Amortization Amount Amortization
Tradenames 34  $221.4  $66.4  $221.5  $63.0 
Technology 13   18.8   15.4   18.8   15.1 
Patents and trademarks 19   6.4   6.4   6.4   6.4 
Customer relationships 21   80.4   27.3   77.5   21.6 
  29  $327.0  $115.5  $324.2  $106.1