DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Cumulative Effect of Changes Made to Consolidated Balance Sheet for Adoption) (Details) - USD ($) $ in Thousands	Nov. 30, 2018	Mar. 01, 2018	Feb. 28, 2018
Assets
Prepaid expenses and other current assets	$ 13,733		$ 12,000
Deferred income tax assets	21,859		31,581
Other assets	26,759		18,829
Liabilities and Stockholders' Equity
Deferred revenue	20,030		17,757
Other non-current liabilities	36,195		24,249
Stockholders' equity:
Accumulated deficit	$ (13,485)		$ (19,459)
ASU 2014-09 [Member]
Assets
Prepaid expenses and other current assets		$ 13,891
Deferred income tax assets		32,113
Other assets		21,974
Liabilities and Stockholders' Equity
Deferred revenue		19,913
Other non-current liabilities		29,256
Stockholders' equity:
Accumulated deficit		(21,054)
ASU 2014-09 [Member] | Topic ASC 606 Adjustments [Member]
Assets
Prepaid expenses and other current assets		1,891
Deferred income tax assets		532
Other assets		3,145
Liabilities and Stockholders' Equity
Deferred revenue		2,156
Other non-current liabilities		5,007
Stockholders' equity:
Accumulated deficit		$ (1,595)