STOCKHOLDERS' EQUITY - Stock Option Information Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options, exercises in period, intrinsic value	$ 59.6	$ 146.9	$ 170.1
Cost not yet recognized, options, amount	$ 8.5
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition	10 months 24 days