RESTRUCTURING - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 30, 2026	Apr. 30, 2025
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including writeoffs	$ 5,200
Restructuring charges	32	$ 5,167
Employee Severance and Employee Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,000
Inventory Write-offs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,200