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GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 517.7 | $ 591.2
Accumulated Amortization | (347.6) | (328.8)
Net | 170.1 | 262.4
Pharmacogenomics and Gateway Intangible Asset Groups |  |
Intangible Assets [Line Items] |  |
Impairment expense | 82.0 |
Developed technologies |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 482.8 | 560.1
Accumulated Amortization | (344.1) | (326.5)
Net | 138.7 | 233.6
Internal-use software |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 21.9 | 1.8
Accumulated Amortization | (1.9) | (0.7)
Net | 20.0 | 1.1
Customer relationships |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount |  | 1.6
Accumulated Amortization |  | (0.3)
Net |  | 1.3
Trademarks |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2.1 | 6.1
Accumulated Amortization | (1.6) | (1.3)
Net | 0.5 | 4.8
Licensed technologies |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 5.3 |
Accumulated Amortization | (0.2) |
Net | 5.1 |
Internal-use software (in-process) |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 5.6 | 21.6
Accumulated Amortization | 0.0 | 0.0
Net | $ 5.6 | $ 21.6

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