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RESTRUCTURING ACTIVITIES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		39 Months Ended
	Aug. 31, 2020	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2021
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 144	$ 336	$ 2,017	$ 17,900
Severance and employee related costs				11,100
Restructuring charges				6,800
Discontinued Operations [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 400	$ 400	$ 400
Canton, Massachusetts [Member]
Restructuring Cost And Reserve [Line Items]
Restructuring charges				$ 3,300