v3.26.1
Segment Information - Financial Information by Reportable Segment (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | segment     2  
Net sales $ 1,471.3 $ 963.1 $ 2,713.3 $ 1,772.4
Reportable segment income 300.7 156.7 496.4 286.7
Cost of goods sold 913.3 591.3 1,709.7 1,086.9
Selling, general and administrative 232.8 196.0 460.0 362.2
Research and development 24.5 19.1 47.2 36.6
Systems Protection        
Segment Reporting Information [Line Items]        
Net sales 1,072.1 632.0 1,966.9 1,140.2
Electrical Connections        
Segment Reporting Information [Line Items]        
Net sales 399.2 331.1 746.4 632.2
Operating Segments        
Segment Reporting Information [Line Items]        
Net sales 1,471.3 963.1 2,713.3 1,772.4
Reportable segment income 357.0 232.0 644.9 421.3
Operating Segments | Systems Protection        
Segment Reporting Information [Line Items]        
Net sales 1,072.1 632.0 1,966.9 1,140.2
Reportable segment income 248.2 137.1 451.3 241.3
Cost of goods sold 707.5 401.5 1,293.9 726.4
Selling, general and administrative 99.8 81.8 190.0 150.3
Research and development 16.6 11.6 31.7 22.2
Operating Segments | Electrical Connections        
Segment Reporting Information [Line Items]        
Net sales 399.2 331.1 746.4 632.2
Reportable segment income 108.8 94.9 193.6 180.0
Cost of goods sold 227.1 184.7 432.8 351.6
Selling, general and administrative 57.3 45.9 108.2 89.8
Research and development $ 6.0 $ 5.6 $ 11.8 $ 10.8