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. 29, 2020	Feb. 28, 2019
Restructuring Cost And Reserve [Line Items]
Restructuring liabilities, Beginning Balance	$ 5,756
Cease-use liability reclassified as reduction of Operating lease right-of-use assets	(2,977)
Charges	3,191	$ 8,015
Payments	(3,228)	(2,259)
Restructuring liabilities, Ending Balance	2,742	5,756
Personnel [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring liabilities, Beginning Balance	2,779
Charges	2,547	4,275
Payments	(2,943)	(1,496)
Restructuring liabilities, Ending Balance	2,383	2,779
Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring liabilities, Beginning Balance	2,977
Cease-use liability reclassified as reduction of Operating lease right-of-use assets	(2,977)
Charges	644	3,740
Payments	(285)	(763)
Restructuring liabilities, Ending Balance	$ 359	$ 2,977