RESTRUCTURING CHARGES - Summary of Charges Resulting from Implementation of Restructuring Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 1,004	$ 4,754	$ 4,400
Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	622	3,904	2,547
Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	382	850	1,853
Cost of Revenue [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	594	1,380	2,346
Cost of Revenue [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	218	530	493
Cost of Revenue [Member] | Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	376	850	1,853
Research and Development [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	57	33	222
Research and Development [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	57	33	222
Selling and Marketing [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	247	820	601
Selling and Marketing [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	247	820	601
General and Administrative Expenses [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	106	2,521	1,231
General and Administrative Expenses [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	100	$ 2,521	$ 1,231
General and Administrative Expenses [Member] | Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 6