Restructuring Costs and Other - Schedule of Costs (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Restructuring Cost and Reserve [Line Items]
Total expected costs	$ 25.2
Costs incurred	5.3	$ 12.0
Remaining costs	7.9
2026 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Total expected costs	9.6
Costs incurred	4.0	0.0
Remaining costs	5.6
2026 Restructuring Actions | Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	0.4
Costs incurred	0.3	0.0
Remaining costs	0.1
2026 Restructuring Actions | Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	9.2
Costs incurred	3.7	0.0
Remaining costs	5.5
2025 and Prior Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Total expected costs	15.6
Costs incurred	1.3	12.0
Remaining costs	2.3
2025 and Prior Restructuring Actions | Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	7.5
Costs incurred	0.0	6.1
Remaining costs	1.4
2025 and Prior Restructuring Actions | Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	8.1
Costs incurred	1.3	$ 5.9
Remaining costs	$ 0.9