Accounts Receivable and Allowance for Doubtful Receivables - Allowance for Doubtful Receivables (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
Receivables [Abstract]
Balance at beginning of period	$ 1,200	$ 961	$ 715
Bad debt expense, net of recoveries	663	429	1,044
Accounts written off	(153)	(190)	(798)
Balance at end of period	$ 1,710	$ 1,200	$ 961