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OTHER FINANCIAL INFORMATION (Schedule of Other Non-Current Liabilities) (Details) - USD ($)
$ in Thousands
May 31, 2018
Feb. 28, 2018
Other Financial Information [Abstract]    
Deferred revenue $ 23,533 $ 16,763
Deferred compensation plan liability 6,668 5,642
Accrued restructuring costs 1,641  
Other 1,726 1,844
Total other non-current liabilities $ 33,568 $ 24,249