Revenue - Geographic Net Sales Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Net sales	$ 1,242.0	$ 809.3
Americas
Disaggregation of Revenue [Line Items]
Net sales	1,050.2	633.9
EMEA
Disaggregation of Revenue [Line Items]
Net sales	150.3	132.0
Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales	41.5	43.4
Systems Protection
Disaggregation of Revenue [Line Items]
Net sales	894.8	508.2
Systems Protection | Americas
Disaggregation of Revenue [Line Items]
Net sales	755.6	378.9
Systems Protection | EMEA
Disaggregation of Revenue [Line Items]
Net sales	109.4	96.1
Systems Protection | Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales	29.8	33.2
Electrical Connections
Disaggregation of Revenue [Line Items]
Net sales	347.2	301.1
Electrical Connections | Americas
Disaggregation of Revenue [Line Items]
Net sales	294.6	255.0
Electrical Connections | EMEA
Disaggregation of Revenue [Line Items]
Net sales	40.9	35.9
Electrical Connections | Asia-Pacific
Disaggregation of Revenue [Line Items]
Net sales	$ 11.7	$ 10.2