Revenue - Vertical Sales by Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Net sales	$ 874.6	$ 740.6
Enclosures
Disaggregation of Revenue [Line Items]
Net sales	439.9	391.0
Electrical & Fastening Solutions
Disaggregation of Revenue [Line Items]
Net sales	292.2	205.7
Thermal Management
Disaggregation of Revenue [Line Items]
Net sales	142.5	143.9
Industrial
Disaggregation of Revenue [Line Items]
Net sales	340.0	309.6
Industrial | Enclosures
Disaggregation of Revenue [Line Items]
Net sales	230.6	218.6
Industrial | Electrical & Fastening Solutions
Disaggregation of Revenue [Line Items]
Net sales	37.4	20.2
Industrial | Thermal Management
Disaggregation of Revenue [Line Items]
Net sales	72.0	70.8
Commercial & Residential
Disaggregation of Revenue [Line Items]
Net sales	262.1	199.8
Commercial & Residential | Enclosures
Disaggregation of Revenue [Line Items]
Net sales	61.4	58.6
Commercial & Residential | Electrical & Fastening Solutions
Disaggregation of Revenue [Line Items]
Net sales	159.9	99.4
Commercial & Residential | Thermal Management
Disaggregation of Revenue [Line Items]
Net sales	40.8	41.8
Energy
Disaggregation of Revenue [Line Items]
Net sales	41.4	41.0
Energy | Enclosures
Disaggregation of Revenue [Line Items]
Net sales	6.7	6.9
Energy | Electrical & Fastening Solutions
Disaggregation of Revenue [Line Items]
Net sales	12.4	8.4
Energy | Thermal Management
Disaggregation of Revenue [Line Items]
Net sales	22.3	25.7
Infrastructure
Disaggregation of Revenue [Line Items]
Net sales	231.1	190.2
Infrastructure | Enclosures
Disaggregation of Revenue [Line Items]
Net sales	141.2	106.9
Infrastructure | Electrical & Fastening Solutions
Disaggregation of Revenue [Line Items]
Net sales	82.5	77.7
Infrastructure | Thermal Management
Disaggregation of Revenue [Line Items]
Net sales	$ 7.4	$ 5.6