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EMPLOYEE RETIREMENT PLAN (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 28, 2018
Feb. 28, 2017
Feb. 29, 2016
Defined Contribution Plan Disclosure [Line Items]      
Expense recorded related to matching contributions $ 2.0 $ 1.3 $ 1.2
Defined Contribution Plan Threshold One [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Percent of employee contribution matched by the Company 100.00%    
Percent of employee compensation contributed 3.00%    
Defined Contribution Plan Threshold Two [Member]      
Defined Contribution Plan Disclosure [Line Items]      
Percent of employee contribution matched by the Company 50.00%    
Percent of employee compensation contributed 2.00%