Goodwill and Other Intangible Assets, net - Schedule of Changes in Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2026 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 3,060.8
Prior year acquisitions	4.0
Current year acquisitions	1,288.7
Foreign currency translation	0.6
Goodwill, ending balance	4,354.1
Utility Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	2,384.0
Prior year acquisitions	4.0
Current year acquisitions	0.0
Foreign currency translation	1.5
Goodwill, ending balance	2,389.5
Electrical Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	676.8
Prior year acquisitions	0.0
Current year acquisitions	1,288.7
Foreign currency translation	(0.9)
Goodwill, ending balance	$ 1,964.6