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PRODUCT WARRANTIES - Activity in Accrued Warranty Costs Liability (Details) - Warranty Reserves [Member] - USD ($)
$ in Thousands
3 Months Ended
May 31, 2020
May 31, 2019
Valuation And Qualifying Accounts Disclosure [Line Items]    
Balance at beginning of period $ 987 $ 1,398
Charged to costs and expenses 200 112
Deductions (145) (273)
Balance at end of period $ 1,042 $ 1,237