REVENUES FROM CONTRACTS - Disaggregated Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 552.4	$ 501.3	$ 1,035.0	$ 966.5
Revenues recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	497.3	435.7	942.9	856.1
Revenues recognized over time
Disaggregation of Revenue [Line Items]
Revenues	55.1	65.6	92.1	110.4
Package and process cooling equipment and services, and engineered air movement and handling solutions
Disaggregation of Revenue [Line Items]
Revenues	238.8	244.6	437.9	432.4
Hydronic heating, electrical heating, and ventilation
Disaggregation of Revenue [Line Items]
Revenues	137.9	111.9	261.8	226.5
Underground locators, inspection and rehabilitation equipment, and robotic systems
Disaggregation of Revenue [Line Items]
Revenues	69.5	66.1	126.2	127.1
Communication technologies, aids to navigation, and transportation systems
Disaggregation of Revenue [Line Items]
Revenues	106.2	78.7	209.1	180.5
HVAC
Disaggregation of Revenue [Line Items]
Revenues	376.7	356.5	699.7	658.9
HVAC \| Revenues recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	345.4	315.0	649.5	597.4
HVAC \| Revenues recognized over time
Disaggregation of Revenue [Line Items]
Revenues	31.3	41.5	50.2	61.5
HVAC \| Package and process cooling equipment and services, and engineered air movement and handling solutions
Disaggregation of Revenue [Line Items]
Revenues	238.8	244.6	437.9	432.4
HVAC \| Hydronic heating, electrical heating, and ventilation
Disaggregation of Revenue [Line Items]
Revenues	137.9	111.9	261.8	226.5
HVAC \| Underground locators, inspection and rehabilitation equipment, and robotic systems
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0	0.0
HVAC \| Communication technologies, aids to navigation, and transportation systems
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0	0.0
Detection and Measurement
Disaggregation of Revenue [Line Items]
Revenues	175.7	144.8	335.3	307.6
Detection and Measurement \| Revenues recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	151.9	120.7	293.4	258.7
Detection and Measurement \| Revenues recognized over time
Disaggregation of Revenue [Line Items]
Revenues	23.8	24.1	41.9	48.9
Detection and Measurement \| Package and process cooling equipment and services, and engineered air movement and handling solutions
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0	0.0
Detection and Measurement \| Hydronic heating, electrical heating, and ventilation
Disaggregation of Revenue [Line Items]
Revenues	0.0	0.0	0.0	0.0
Detection and Measurement \| Underground locators, inspection and rehabilitation equipment, and robotic systems
Disaggregation of Revenue [Line Items]
Revenues	69.5	66.1	126.2	127.1
Detection and Measurement \| Communication technologies, aids to navigation, and transportation systems
Disaggregation of Revenue [Line Items]
Revenues	$ 106.2	$ 78.7	$ 209.1	$ 180.5