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Acquisitions (Details) - USD ($)
$ in Millions
2 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2025
Sep. 30, 2025
Sep. 30, 2025
May 01, 2025
Dec. 31, 2024
Jul. 16, 2024
Business Acquisition [Line Items]            
Goodwill   $ 2,678.8 $ 2,678.8   $ 2,221.8  
Electrical Products Group            
Business Acquisition [Line Items]            
Purchase price $ 975.4 978.7 978.7 $ 978.7    
Goodwill 440.9 440.9 440.9      
Identifiable intangible assets 429.8 433.8 433.8      
Net sales since acquisition 205.7 127.2        
Operating income since acquisition $ 26.0 14.6        
Amortization since acquisition   13.6 21.3      
Electrical Products Group | Customer relationships            
Business Acquisition [Line Items]            
Identifiable intangible assets       325.2    
Electrical Products Group | Proprietary Technology            
Business Acquisition [Line Items]            
Identifiable intangible assets       $ 32.8    
Useful life       8 years    
Electrical Products Group | Customer Backlog            
Business Acquisition [Line Items]            
Identifiable intangible assets       $ 75.8    
Useful life       3 years    
Electrical Products Group | Minimum | Customer relationships            
Business Acquisition [Line Items]            
Useful life       16 years    
Electrical Products Group | Maximum | Customer relationships            
Business Acquisition [Line Items]            
Useful life       20 years    
Trachte, LLC            
Business Acquisition [Line Items]            
Purchase price   687.5 687.5   $ 687.5  
Goodwill   368.9 368.9      
Identifiable intangible assets   $ 331.5 $ 331.5      
Trachte, LLC | Trade names            
Business Acquisition [Line Items]            
Identifiable intangible assets           $ 55.4
Trachte, LLC | Customer relationships            
Business Acquisition [Line Items]            
Identifiable intangible assets           $ 206.6
Useful life           17 years
Trachte, LLC | Proprietary Technology            
Business Acquisition [Line Items]            
Identifiable intangible assets           $ 23.8
Useful life           8 years
Trachte, LLC | Customer Backlog            
Business Acquisition [Line Items]            
Identifiable intangible assets           $ 45.7
Useful life           2 years