OTHER FINANCIAL INFORMATION (Schedule of Valuation and Qualifying Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 673	$ 761	$ 461
Charged (credited) to costs and expenses	170	188	353
Deductions	(221)	(276)	(53)
Balance at end of period year	622	673	761
Warranty Reserve [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	1,819	1,516	1,328
Charged (credited) to costs and expenses	1,015	1,333	881
Deductions	(942)	(1,030)	(693)
Balance at end of period year	1,892	1,819	1,516
Deferred Tax Assets Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 4,159	4,849	3,959
Charged (credited) to costs and expenses		150	$ 890
Deductions	$ (2,541)	(840)
Balance at end of period year	$ 1,618	$ 4,159	$ 4,849