DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Impact of Adoption on Condensed Consolidated Balance Sheet) (Details) - USD ($) $ in Thousands	May 31, 2018	Mar. 01, 2018	Feb. 28, 2018
Assets
Prepaid expenses and other current assets	$ 13,076		$ 12,000
Deferred income tax assets	32,200		31,581
Other assets	23,407		18,829
Liabilities and Stockholders' Equity
Deferred revenue	20,232		17,757
Other non-current liabilities	33,568		24,249
Stockholders' equity:
Accumulated deficit	(12,109)		$ (19,459)
ASU 2014-09 [Member]
Assets
Prepaid expenses and other current assets	11,310	$ 13,891
Deferred income tax assets	31,668	32,113
Other assets	20,205	21,974
Liabilities and Stockholders' Equity
Deferred revenue	18,423	19,913
Other non-current liabilities	28,356	29,256
Stockholders' equity:
Accumulated deficit	(10,534)	(21,054)
Topic ASC 606 Adjustments [Member] | ASU 2014-09 [Member]
Assets
Prepaid expenses and other current assets	(1,766)	1,891
Deferred income tax assets	(532)	532
Other assets	(3,202)	3,145
Liabilities and Stockholders' Equity
Deferred revenue	(1,809)	2,156
Other non-current liabilities	(5,212)	5,007
Stockholders' equity:
Accumulated deficit	$ 1,575	$ (1,595)