INCOME TAXES - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 30, 2025	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Current:
Federal		$ 0	$ 0	$ 0
State		225	178	150
Foreign		192,270	4,021	5,168
Total current		192,495	4,199	5,318
Deferred:
Federal		(4,666)	0	0
State		(703)	0	0
Foreign		(16,102)	2,635	541
Total deferred		(21,471)	2,635	541
Total provision for income taxes	$ 136,000	$ 171,024	$ 6,834	$ 5,859