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Leases Leases (Details 1)
$ in Thousands
12 Months Ended
Feb. 29, 2020
USD ($)
Leases [Abstract]  
Cash paid for amounts included in the measurement of operating lease liabilities $ 13,614
Lease assets obtained in exchange for new operating lease liabilities $ 15,948
Weighted-average remaining lease term - operating leases 5 years 9 months 18 days
Weighted-average discount rate - operating leases 3.60%