INCOME TAXES - Solar Energy Projects And Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Net Investment Income [Line Items]
Payment for equity method investment		$ 5,016	$ 1,333
Investment tax credits		4,500	1,100
Remaining cash investment commitments	$ 0
Loss of investment	$ 1,113	(466)
Expected life of investment	6 years
Cash paid for income taxes	$ 6,700	14,000	5,500
Cash received from income tax refunds	300	200	$ 1,000
Investment account balances	1,200	200
Other income (expense)
Net Investment Income [Line Items]
Loss of investment	$ 1,100	$ (400)