Restructuring Costs and Other - By Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1.6	$ 1.2	$ 3.2	$ 1.5
Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.2	0.8	2.3	1.3
Selling & administrative expense
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.4	0.4	0.9	0.2
Electrical Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.1	0.8	1.3	0.8
Electrical Solutions | Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.5	0.5	0.6	0.7
Electrical Solutions | Selling & administrative expense
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.6	0.3	0.7	0.1
Utility Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.5	0.4	1.9	0.7
Utility Solutions | Cost of goods sold
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.7	0.3	1.7	0.6
Utility Solutions | Selling & administrative expense
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (0.2)	$ 0.1	$ 0.2	$ 0.1