STOCKHOLDERS' EQUITY - Modification Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025	May 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, acceleration or modification cost	$ 10.8		$ 10.8
Recognized share based compensation expense	$ 0.0	$ 0.0	$ 0.0	$ 3.4
2025 Share Repurchase Program | Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share repurchase program, authorized amount					$ 200.0