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SPECIAL CHARGES, NET - Special Charges (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Oct. 01, 2022 | Sep. 30, 2023 | Oct. 01, 2022
Special Charges, Net |  |  |  |
Special charges | $ 0 | $ 0 | $ 0 | $ 100,000
Operating Segments | HVAC reportable segment |  |  |  |
Special Charges, Net |  |  |  |
Special charges |  | 0 |  | 100,000
Operating Segments | Detection and Measurement reportable segment |  |  |  |
Special Charges, Net |  |  |  |
Special charges |  | $ 0 |  | $ 0

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