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WORKFORCE REDUCTION - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Sep. 30, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025	Dec. 31, 2024
Restructuring Cost and Reserve [Line Items]
Workforce reduction charges		$ 33,675	$ 0	$ 71,609	$ 0
Workforce reduction liability		30,132	$ 0	30,132	$ 0	$ 30,457	$ 0	$ 0	$ 267
June 2026 Plan
Restructuring Cost and Reserve [Line Items]
Workforce reduction charges		33,300		33,300
June 2026 Plan | Forecast
Restructuring Cost and Reserve [Line Items]
Workforce reduction charges	$ 34,000
February 2026 Plan
Restructuring Cost and Reserve [Line Items]
Workforce reduction charges		$ 400		$ 38,300

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