RESTRUCTURING CHARGES - Summary of Activity Resulting from Implementation of Restructuring Plan within Other Current and Non-current Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020
Restructuring Cost And Reserve [Line Items]
Restructuring liabilities, Beginning Balance	$ 2,742	$ 5,756
Cease-use liability reclassified as reduction of Operating lease right-of-use assets		(2,977)
Charges	4,755	3,191
Payments	(3,969)	(3,228)
Restructuring liabilities, Ending Balance	3,528	2,742
Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring liabilities, Beginning Balance	2,383	2,779
Charges	3,905	2,547
Payments	(3,651)	(2,943)
Restructuring liabilities, Ending Balance	2,637	2,383
Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring liabilities, Beginning Balance	359	2,977
Cease-use liability reclassified as reduction of Operating lease right-of-use assets		(2,977)
Charges	850	644
Payments	(318)	(285)
Restructuring liabilities, Ending Balance	$ 891	$ 359