RESTRUCTURING ACTIVITIES - Summary of Charges Resulting from Implementation of Restructuring Plan (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2021	May 31, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 740	$ 1,908
Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	358	1,805
Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	382	103
Cost of Revenue [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	479	(21)
Cost of Revenue [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	103	(124)
Cost of Revenue [Member] | Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	376	103
Research and Development [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	58	(6)
Research and Development [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	58	(6)
Selling and Marketing [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	189	30
Selling and Marketing [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	189	30
General and Administrative Expenses [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	14	1,905
General and Administrative Expenses [Member] | Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	8	$ 1,905
General and Administrative Expenses [Member] | Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 6