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BASIS OF PRESENTATION (Details) - USD ($) $ in Millions |  |  |  |  |  | 4 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Aug. 02, 2021 | Jun. 08, 2021 | Apr. 19, 2021 | Nov. 11, 2020 | Sep. 02, 2020 | Oct. 02, 2021 | Dec. 31, 2020
Revenue Benchmark | Product Concentration Risk | HVAC reportable segment |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue percentage |  |  |  |  |  | 5.00% |
SPX Transformer Solutions, Inc. |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Proceeds from sale of business |  | $ 645.0 |  |  |  |  |
SPX Transformer Solutions, Inc. | Revenue Benchmark | Product Concentration Risk |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenue percentage |  | 25.00% |  |  |  |  |
Enterprise Control Systems Ltd |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payment for acquisition | $ 39.4 |  |  |  |  |  |
Cash acquired | 5.1 |  |  |  |  |  |
Deferred payment | $ 16.8 |  |  |  |  |  |
Contingent consideration liability |  |  |  |  |  | $ 8.2 |
ULC Robotics |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payment for acquisition |  |  |  |  | $ 89.2 |  |
Cash acquired |  |  |  |  | 4.0 |  |
Deferred payment |  |  |  |  | $ 45.0 |  |
Contingent consideration liability |  |  |  |  |  |  | $ 24.3
Sensors & Software Inc. |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payment for acquisition |  |  |  | $ 15.5 |  |  |
Cash acquired |  |  |  | 0.3 |  |  |
Deferred payment |  |  |  | $ 3.9 |  |  |
Contingent consideration liability |  |  |  |  |  | $ 0.7 |
Sealite |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payment for acquisition |  |  | $ 80.3 |  |  |  |
Cash acquired |  |  | $ 2.3 |  |  |  |

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