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DIVESTITURES - Schedule of Amounts Recognized in Other Income (Details) - USD ($) $ in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 13, 2021 | Jul. 01, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disposal of Subsidiary [Line Items] |  |  |  |  |
Total other income (expense) |  |  | $ (4.4) | $ 0.6 | $ 139.3
Disposed of by Sale |  |  |  |  |
Disposal of Subsidiary [Line Items] |  |  |  |  |
Loss on inventory |  |  |  |  | (11.7)
Other |  |  |  |  | (0.6)
Gain on sale of Myriad RBM, Inc. | Disposed of by Sale |  |  |  |  |
Disposal of Subsidiary [Line Items] |  |  |  |  |
Gain (loss) on sale of subsidiary |  | $ 121.0 |  |  | 121.0
Gain on sale of the Myriad myPath, LLC laboratory | Disposed of by Sale |  |  |  |  |
Disposal of Subsidiary [Line Items] |  |  |  |  |
Gain (loss) on sale of subsidiary |  |  |  |  | 31.2
Loss on sale of Myriad Autoimmune assets | Disposed of by Sale |  |  |  |  |
Disposal of Subsidiary [Line Items] |  |  |  |  |
Gain (loss) on sale of subsidiary | $ (0.6) |  |  |  | $ (0.6)

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