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Product Warranties and Product Repair Costs - Schedule of Product Warranty Liability (Details) - USD ($)
$ in Thousands
3 Months Ended
May 31, 2020
May 31, 2019
Payables And Accruals Warranties [Abstract]    
Opening balance $ 4,748 $ 4,469
Liabilities for warranties accrued during the period 791 1,287
Warranty claims settled during the period (973) (1,605)
Ending balance $ 4,566 $ 4,151