Restructuring Costs and Other - Schedule of Costs (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Total expected costs	$ 18.2
Costs incurred	5.2	$ 5.4
Remaining costs	7.6
2024 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Total expected costs	9.8
Costs incurred	4.7	0.0
Remaining costs	5.1
2024 Restructuring Actions | Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	2.0
Costs incurred	1.5	0.0
Remaining costs	0.5
2024 Restructuring Actions | Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	7.8
Costs incurred	3.2	0.0
Remaining costs	4.6
2023 and Prior Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Total expected costs	8.4
Costs incurred	0.5	5.4
Remaining costs	2.5
2023 and Prior Restructuring Actions | Utility Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	4.2
Costs incurred	0.4	2.9
Remaining costs	0.9
2023 and Prior Restructuring Actions | Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Total expected costs	4.2
Costs incurred	0.1	$ 2.5
Remaining costs	$ 1.6