STOCKHOLDERS' EQUITY - Restricted Stock Units, Performance Stock Units and Stock Options Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2025	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense		$ 75,341	$ 70,188	$ 217,880	$ 193,418
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount		610,100		$ 610,100
Cost not yet recognized, period for recognition				2 years 10 months 24 days
Granted (in shares)				21,447,547
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount		15,100		$ 15,100
Cost not yet recognized, period for recognition				10 months 24 days
Share-based payment arrangement, expense		1,400		$ 4,700
Granted (in shares)				1,464,871
Performance Shares | Observo
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	100.00%
Share-based payment arrangement, expense		300
Granted (in shares)	722,784
Performance Shares | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Award vesting period	1 year
Performance Shares | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	225.00%
Award vesting period	4 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount		$ 13,700		$ 13,700
Cost not yet recognized, period for recognition				1 year 1 month 6 days