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INCOME TAXES - Schedule of Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Deferred tax assets: |  |
Net operating loss carryforwards | $ 62.7 | $ 77.1
Stock compensation expense | 6.6 | 5.0
Research and development credits | 20.6 | 20.8
Lease liability | 24.4 | 28.0
Capitalized research and development costs | 54.3 | 38.4
Accrued expenses and liabilities | 16.5 | 22.5
Other, net | 0.0 | 3.2
Total gross deferred tax assets | 185.1 | 195.0
Less valuation allowance | (111.9) | (95.0)
Total deferred tax assets | 73.2 | 100.0
Deferred tax liabilities: |  |
Intangible assets | 55.5 | 84.2
Lease right-of-use assets | 13.3 | 15.5
Property, plant and equipment | 3.2 | 1.9
Other, net | 0.8 | 0.0
Total deferred tax liabilities | 72.8 | 101.6
Net deferred tax asset (liability) | $ 0.4 |
Net deferred tax asset (liability) |  | $ (1.6)

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