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Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Lease, Cost [Abstract]
Operating lease cost	$ 5,974	$ 6,217	$ 6,461
Supplemental cash flow information related to leases was as follows:
Cash paid for amounts included in the measurement of operating lease liabilities	5,987	6,196	6,432
Right-of-use assets obtained in exchange for operating lease obligations	$ 3,065	$ 3,441	$ 5,367
Weighted Average Remaining Lease Terms, Operating leases	3 years	3 years	4 years
Weighted Average Discount Rate, Operating leases	3.86%	3.63%	3.74%

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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