DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Impact of Adoption on Condensed Consolidated Balance Sheet) (Details) - USD ($) $ in Thousands	Aug. 31, 2018	Feb. 28, 2018
Assets
Prepaid expenses and other current assets	$ 14,482	$ 12,000
Deferred income tax assets	21,421	31,581
Other assets	25,773	18,829
Liabilities and Stockholders' Equity
Deferred revenue	20,683	17,757
Other non-current liabilities	36,200	24,249
Stockholders' equity:
Accumulated deficit	(12,963)	$ (19,459)
ASU 2014-09 [Member]
Assets
Prepaid expenses and other current assets	12,618
Deferred income tax assets	20,889
Other assets	22,353
Liabilities and Stockholders' Equity
Deferred revenue	18,758
Other non-current liabilities	30,507
Stockholders' equity:
Accumulated deficit	(11,319)
ASU 2014-09 [Member] | Topic ASC 606 Adjustments [Member]
Assets
Prepaid expenses and other current assets	(1,864)
Deferred income tax assets	(532)
Other assets	(3,420)
Liabilities and Stockholders' Equity
Deferred revenue	(1,925)
Other non-current liabilities	(5,693)
Stockholders' equity:
Accumulated deficit	$ 1,644