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RESTRUCTURING - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairment of intangible assets |  | $ 40,000 |  |  |  |
Inventory provision |  |  |  | $ 9,768 | $ 3,715 |
Decrease in operating lease liability |  |  |  | 661 | $ 9,252 |
2025 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
WARN act and other employee benefits |  |  |  | 2,500 |  |
Severance costs |  |  |  | 2,300 |  |
Additional costs incurred |  |  |  | 388,600 |  |
Restructuring and related cost, accelerated amortization | $ 359,300 |  |  | 359,300 |  |
Inventory provision |  |  |  | 8,000 |  |
Loss on purchase commitments |  |  |  | 3,900 |  |
Accelerated depreciation |  |  |  | 2,400 |  |
2025 Restructuring | In Process Research And Development Indefinite Lived |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Impairment of intangible assets |  |  |  | 15,000 |  |
2024 Restructuring |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
WARN act and other employee benefits |  |  |  | 5,500 |  |
Severance costs |  |  |  | 4,500 |  |
San Diego Office |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Inventory provision |  |  |  | 3,600 |  |
Accelerated depreciation |  |  |  | $ 8,100 |  |
Decrease in operating lease liability |  |  | $ 4,400 |  |  |
Operating lease, liability |  |  |  |  |  | $ 0

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