Restructuring Costs - Summary of Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Expected Costs	$ 62.5
Cost incurred to date	3.9	$ 20.4	$ 28.8
Remaining costs	9.4
2021 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	9.2
Cost incurred to date	2.4	0.0	0.0
Remaining costs	6.8
2020 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	19.0
Cost incurred to date	1.5	14.9	0.0
Remaining costs	2.6
2019 and Prior Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	34.3
Cost incurred to date	0.0	5.5	28.8
Remaining costs	0.0
Electrical Solutions | 2021 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	0.6
Cost incurred to date	0.6	0.0	0.0
Remaining costs	0.0
Electrical Solutions | 2020 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	12.7
Cost incurred to date	0.9	10.5	0.0
Remaining costs	1.3
Electrical Solutions | 2019 and Prior Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	16.3
Cost incurred to date	0.0	(0.5)	16.8
Remaining costs	0.0
Utility Solutions | 2021 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	8.6
Cost incurred to date	1.8	0.0	0.0
Remaining costs	6.8
Utility Solutions | 2020 Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	6.3
Cost incurred to date	0.6	4.4	0.0
Remaining costs	1.3
Utility Solutions | 2019 and Prior Restructuring Actions
Restructuring Cost and Reserve [Line Items]
Expected Costs	18.0
Cost incurred to date	0.0	$ 6.0	$ 12.0
Remaining costs	$ 0.0