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DIVESTITURE ACTIVITIES (Details) |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Feb. 14, 2023 USD ($) | Oct. 06, 2021 USD ($) facility | Feb. 13, 2019 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) facility | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) facility | Dec. 31, 2020 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net gain on sale |  |  |  | $ 0 | $ 5,014,000 | $ 0 | $ 5,014,000 | $ 0
Held for Sale | Test Systems |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Contingent earn-outs |  |  |  |  | $ 10,700,000 |  | $ 11,300,000 |
Held for Sale | Test Systems | Subsequent Event |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Contingent earn-outs | $ 3,400,000 |  |  |  |  |  |  |
Held for Sale | Test Systems | First Earnout |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Maximum total earnout proceeds |  |  | $ 35,000,000 |  |  |  |  |
Held for Sale | Test Systems | Second Earnout |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Minimum total earnout proceeds |  |  | $ 0 |  |  |  |  |
Disposal Group, Held-for-sale, Not Discontinued Operations | Aerospace facilities |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Number of facilities sold | facility |  | 1 |  |  | 1 |  | 1 |
Held for sale |  | $ 9,200,000 |  |  |  |  |  |
Proceeds from sale of facilities |  | $ 8,800,000 |  |  |  |  |  | $ 1,500,000
Net gain on sale |  |  |  |  | $ 5,000,000 |  | $ 5,000,000 |

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