INCOME TAXES - Income Tax Expense Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
INCOME TAXES
Federal corporate income tax rate (as percent)			21.00%	21.00%
Computed expected income tax expense			$ 15,240	$ 6,711
State income taxes, net of federal tax effect			2,297	2,023
Unrecognized tax loss benefit			921	3,255
Executive compensation limitation			917	672
Meals and entertainment expense			616	385
Foreign tax rate differential			(556)	(1,699)
Other permanent differences and adjustments, net			(953)	269
Income tax expense	$ 8,968	$ 6,129	$ 18,482	$ 11,616