SALES - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2026	Jun. 27, 2025	Jul. 03, 2026	Jun. 27, 2025
Disaggregation of Revenue [Line Items]
Total	$ 567.8	$ 503.3	$ 1,102.3	$ 985.1
Industrial manufacturing
Disaggregation of Revenue [Line Items]
Total	116.6	104.1	225.3	205.4
Defense and space
Disaggregation of Revenue [Line Items]
Total	96.5	84.4	189.5	161.6
Utilities
Disaggregation of Revenue [Line Items]
Total	81.4	78.2	154.9	149.1
Other
Disaggregation of Revenue [Line Items]
Total	52.0	44.1	101.1	88.0
Diversified electronics
Disaggregation of Revenue [Line Items]
Total	118.9	96.9	229.7	193.0
Communications
Disaggregation of Revenue [Line Items]
Total	61.9	57.0	125.1	110.9
Semiconductors
Disaggregation of Revenue [Line Items]
Total	40.5	38.6	76.7	77.1
Sensors and Safety Systems
Disaggregation of Revenue [Line Items]
Total	346.5	310.8	670.8	604.1
Sensors and Safety Systems \| Industrial manufacturing
Disaggregation of Revenue [Line Items]
Total	116.6	104.1	225.3	205.4
Sensors and Safety Systems \| Defense and space
Disaggregation of Revenue [Line Items]
Total	96.5	84.4	189.5	161.6
Sensors and Safety Systems \| Utilities
Disaggregation of Revenue [Line Items]
Total	81.4	78.2	154.9	149.1
Sensors and Safety Systems \| Other
Disaggregation of Revenue [Line Items]
Total	52.0	44.1	101.1	88.0
Sensors and Safety Systems \| Diversified electronics
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Sensors and Safety Systems \| Communications
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Sensors and Safety Systems \| Semiconductors
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Test and Measurement
Disaggregation of Revenue [Line Items]
Total	221.3	192.5	431.5	381.0
Test and Measurement \| Industrial manufacturing
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Test and Measurement \| Defense and space
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Test and Measurement \| Utilities
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Test and Measurement \| Other
Disaggregation of Revenue [Line Items]
Total	0.0	0.0	0.0	0.0
Test and Measurement \| Diversified electronics
Disaggregation of Revenue [Line Items]
Total	118.9	96.9	229.7	193.0
Test and Measurement \| Communications
Disaggregation of Revenue [Line Items]
Total	61.9	57.0	125.1	110.9
Test and Measurement \| Semiconductors
Disaggregation of Revenue [Line Items]
Total	40.5	38.6	76.7	77.1
United States
Disaggregation of Revenue [Line Items]
Total	289.2	253.4	575.2	497.6
United States \| Sensors and Safety Systems
Disaggregation of Revenue [Line Items]
Total	203.8	184.8	407.2	364.3
United States \| Test and Measurement
Disaggregation of Revenue [Line Items]
Total	85.4	68.6	168.0	133.3
China
Disaggregation of Revenue [Line Items]
Total	93.8	85.2	172.1	157.6
China \| Sensors and Safety Systems
Disaggregation of Revenue [Line Items]
Total	37.3	32.9	68.0	61.2
China \| Test and Measurement
Disaggregation of Revenue [Line Items]
Total	56.5	52.3	104.1	96.4
All other
Disaggregation of Revenue [Line Items]
Total	184.8	164.7	355.0	329.9
All other \| Sensors and Safety Systems
Disaggregation of Revenue [Line Items]
Total	105.4	93.1	195.6	178.6
All other \| Test and Measurement
Disaggregation of Revenue [Line Items]
Total	$ 79.4	$ 71.6	$ 159.4	$ 151.3