REVENUE RECOGNITION - Textuals (Details) - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jan. 31, 2023
REVENUE RECOGNITION [Abstract]
Contract liability	$ 4,600	$ 4,000	$ 5,100
Customer refund liabilities	(56,223)	(56,384)	(89,760)
Revenue recognized related to contract liabilities	2,800	4,200
Contract assets	0	0	0
Contract liability	$ 146,933	$ 130,806	$ 115,586