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BASIS OF PRESENTATION - Narrative (Details) $ / shares in Units, $ in Millions |  |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 02, 2023 USD ($) | Apr. 03, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 15, 2021 USD ($) | Jul. 01, 2023 USD ($) | Oct. 01, 2022 USD ($) | Nov. 01, 2022 subsidiary | Aug. 15, 2022 $ / shares
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of wholly-owned subsidiaries divested | subsidiary |  |  |  |  |  |  | 3 |
Cincinnati Fan |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  |  | $ 145.2 |  |  |  |
Cash acquired |  |  |  | $ 2.5 |  |  |  |
Adjustment to purchase price |  |  |  |  | $ 0.4 |  |  |
International Tower Lighting, LLC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 40.4 |  |  |  |  |
Cash acquired |  |  | $ 1.1 |  |  |  |  |
Adjustment to purchase price |  |  |  |  |  | $ 1.4 |  |
T. A. Morrison & Co. Inc. (TAMCO) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration |  | $ 125.5 |  |  |  |  |  |
Cash acquired |  | 1.0 |  |  |  |  |  |
Adjustment to purchase price |  | $ 0.2 |  |  |  |  |  |
ASPEQ Parent Holdings, Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash consideration | $ 421.8 |  |  |  |  |  |  |
Cash acquired | $ 0.9 |  |  |  |  |  |  |
Legacy SPX |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.01

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