OTHER FINANCIAL INFORMATION (Schedule of Valuation and Qualifying Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Allowance for Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 3,658	$ 2,264	$ 1,203
Charged (credited) to costs and expenses	156	2,163	2,214
Deductions	(1,168)	(769)	(1,153)
Balance at end of year	2,646	3,658	2,264
Warranty Reserves [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	1,257	987	1,398
Charged (credited) to costs and expenses	2,239	2,729	729
Deductions	(1,673)	(2,459)	(1,140)
Balance at end of year	1,823	1,257	987
Deferred Tax Assets Valuation Allowance [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	56,848	45,560	10,929
Charged (credited) to costs and expenses	6,884	11,288	34,631
Balance at end of year	$ 63,732	$ 56,848	$ 45,560