RESTRUCTURING - Schedule of restructuring related liabilities (Details) - USD ($) $ in Thousands	3 Months Ended	5 Months Ended	9 Months Ended
Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2025
Restructuring Reserve [Roll Forward]
Amount recorded in accrued liabilities as of December 31, 2024			$ 57,241
Amount recorded in accrued liabilities as of September 30, 2025	$ 58,076	$ 57,241	58,076
Restructuring Plan, Core MCED Business
Restructuring Reserve [Roll Forward]
Amount recorded in accrued liabilities as of December 31, 2024			1,028
Restructuring charges (adjustments), net	0	18,300	(34)
Cash payments made			(994)
Amount recorded in accrued liabilities as of September 30, 2025	0	1,028	0
Severance and related benefit costs \| Restructuring Plan, Core MCED Business
Restructuring Reserve [Roll Forward]
Amount recorded in accrued liabilities as of December 31, 2024			806
Restructuring charges (adjustments), net	0		(161)
Cash payments made			(645)
Amount recorded in accrued liabilities as of September 30, 2025	0	806	0
Other Costs \| Restructuring Plan, Core MCED Business
Restructuring Reserve [Roll Forward]
Amount recorded in accrued liabilities as of December 31, 2024			222
Restructuring charges (adjustments), net	0		127
Cash payments made			(349)
Amount recorded in accrued liabilities as of September 30, 2025	$ 0	$ 222	$ 0

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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