OTHER FINANCIAL INFORMATION (Schedule of Valuation and Qualifying Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2019
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 2,264	$ 1,203	$ 858
Charged (credited) to costs and expenses	2,163	2,214	922
Deductions	(769)	(1,153)	(577)
Balance at end of year	3,658	2,264	1,203
Warranty Reserves [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	987	1,398	5,734
Charged (credited) to costs and expenses	2,729	729	1,126
Deductions	(2,459)	(1,140)	(5,462)
Balance at end of year	1,257	987	1,398
Deferred Tax Assets Valuation Allowance [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	45,560	10,929	16,844
Charged (credited) to costs and expenses	11,288	34,631	799
Deductions			(6,714)
Balance at end of year	$ 56,848	$ 45,560	$ 10,929