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RESTRUCTURING CHARGES (Details 2) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 52 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | $ 8.6 |  |  | $ 13.8 |  |  | $ 8.6 | $ 13.8 |  | $ 8.3 | $ 27.5
Restructuring charges | 2.9 | $ 7.4 | $ 4.0 | 7.9 | $ 6.8 | $ 8.3 | 14.3 | 23.0 | $ 240.7 |  |
Amounts utilized |  |  |  |  |  |  | (14.0) | (36.7) |  |  |
Write-off of equipment and facility |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |  |  | 79.9 |  |
Employee severance and related benefit costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 4.9 |  |  | 2.4 |  |  | 4.9 | 2.4 |  | 3.1 | 10.8
Restructuring charges | 0.6 | 3.8 | 1.6 | 0.0 | 0.0 | 0.0 |  |  | 23.7 |  |
Amounts utilized |  |  |  |  |  |  | (4.2) | (8.4) |  |  |
Facility exit costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  | 0.0 | 0.0
Restructuring charges | 2.3 | 3.6 | 2.2 | 5.0 | 5.1 | 8.3 |  |  | 96.4 |  |
Amounts utilized |  |  |  |  |  |  | (8.1) | (18.4) |  |  |
Lease and other contract termination costs |  |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued restructuring costs | 3.7 |  |  | 11.4 |  |  | 3.7 | 11.4 |  | $ 5.2 | $ 16.7
Restructuring charges | $ 0.0 | $ 0.0 | $ 0.2 | $ 2.9 | $ 1.7 | $ 0.0 |  |  | $ 40.7 |  |
Amounts utilized |  |  |  |  |  |  | $ (1.7) | $ (9.9) |  |  |

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