OTHER FINANCIAL INFORMATION (Schedule of Interest Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Condensed Income Statements, Captions [Line Items]
Amortization of discount and issuance costs	$ 1,151	$ 10,411	$ 10,180
Other interest expense	607	589	1,140
Total interest expense	6,260	15,323	15,487
2020 Convertible Notes [Member]
Condensed Income Statements, Captions [Line Items]
Stated interest			93
Amortization of discount and issuance costs			289
Interest expense on convertible notes			382
2025 Convertible Notes [Member]
Condensed Income Statements, Captions [Line Items]
Stated interest	4,600	4,600	4,587
Amortization of discount and issuance costs	1,053	10,134	9,378
Interest expense on convertible notes	$ 5,653	$ 14,734	$ 13,965