STOCK-BASED COMPENSATION - Restricted Stock Units, Performance Stock Units and Stock Options Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 70,188	$ 54,913	$ 193,418	$ 163,308
Cost not yet recognized, options, amount	30,500		30,500
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount	563,800		$ 563,800
Cost not yet recognized, period for recognition			2 years 9 months 18 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount	1,900		$ 1,900
Cost not yet recognized, period for recognition			4 months 24 days
Share-based payment arrangement, expense	$ 1,300		$ 2,900
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
Share-based Payment Arrangement, Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition			1 year 6 months