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Commitments and Contingencies (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Feb. 28, 2018
Long-term Purchase Commitment [Line Items]        
Letters of credit outstanding $ 24,700      
Standard and extended product warranty accrual 4,079 $ 3,702 $ 1,751 $ 2,013
Forward Contracts        
Long-term Purchase Commitment [Line Items]        
Long-term purchase commitment, amount $ 50,000