v3.25.4

Segment Information - Net Sales and Expense by Segment (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 USD ($) segment | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Segment Reporting [Abstract] |  |  |
Number of reportable segments | segment | 2 |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net sales | $ 3,893.1 | $ 3,006.1 | $ 2,668.9
Cost of goods sold(1) | 2,424.0 | 1,797.0 | 1,593.7
Selling, general and administrative | 773.8 | 615.9 | 557.3
Research and development | 78.5 | 66.1 | 55.2
Reportable segment income | $ 616.8 | 527.1 | 462.7
One Customer | Net Sales Benchmark | Customer Concentration Risk |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Concentration risk, percentage | 11.00% |  |
Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net sales | $ 3,893.1 | 3,006.1 | 2,668.9
Reportable segment income | 909.6 | 757.6 | 677.2
Systems Protection |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net sales | 2,592.9 | 1,823.3 | 1,605.9
Systems Protection | Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net sales | 2,592.9 | 1,823.3 | 1,605.9
Cost of goods sold(1) | 1,686.5 | 1,143.4 | 1,011.6
Selling, general and administrative | 320.1 | 239.1 | 218.0
Research and development | 49.3 | 37.7 | 29.7
Reportable segment income | 537.0 | 403.1 | 346.6
Electrical Connections |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net sales | 1,300.2 | 1,182.8 | 1,063.0
Electrical Connections | Operating Segments |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |
Net sales | 1,300.2 | 1,182.8 | 1,063.0
Cost of goods sold(1) | 721.0 | 637.1 | 549.5
Selling, general and administrative | 184.8 | 167.5 | 163.1
Research and development | 21.8 | 23.7 | 19.8
Reportable segment income | $ 372.6 | $ 354.5 | $ 330.6

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