Restructuring Costs - Schedule of Pre-tax Restructuring Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 12.0	$ 12.8	$ 5.4
Restructuring Incurred Cost Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag	Consolidated Statement of Income
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 9.9	9.3	4.4
S&A expense
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	2.1	3.5	1.0
Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	6.1	4.5	2.9
Utility Solutions | Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	5.6	3.2	2.7
Utility Solutions | S&A expense
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	0.5	1.3	0.2
Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	5.9	8.3	2.5
Electrical Solutions | Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	4.3	6.1	1.7
Electrical Solutions | S&A expense
Restructuring Cost and Reserve [Line Items]
Total restructuring costs	$ 1.6	$ 2.2	$ 0.8