Restructuring Costs and Other - Schedule of Costs (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2026	Dec. 31, 2025
Restructuring Cost and Reserve [Line Items]
Total expected costs	$ 26.2
Costs incurred	7.5	$ 12.0
Remaining costs	6.7
2026 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Total expected costs	10.8
Costs incurred	4.7	0.0
Remaining costs	6.1
2026 Restructuring Actions | Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	2.0
Costs incurred	0.1	0.0
Remaining costs	1.9
2026 Restructuring Actions | Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	8.8
Costs incurred	4.6	0.0
Remaining costs	4.2
2025 and Prior Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Total expected costs	15.4
Costs incurred	2.8	12.0
Remaining costs	0.6
2025 and Prior Restructuring Actions | Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	6.9
Costs incurred	0.4	6.1
Remaining costs	0.4
2025 and Prior Restructuring Actions | Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	8.5
Costs incurred	2.4	$ 5.9
Remaining costs	$ 0.2