INCOME TAXES - Unrecognized Income Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
INCOME TAXES
Unrecognized Tax Benefits, beginning of fiscal year	$ 2,882	$ 4,937	$ 4,895
Increases related to prior period income tax positions	78		42
Increases related to current period income tax positions		2,359
Expirations of statutes of limitations	(407)
Settlements		(4,414)
Unrecognized Tax Benefits, end of fiscal year	2,553	$ 2,882	$ 4,937
Gross unrecognized income tax benefits	$ 2,600