Accounts Receivable and Allowance for Doubtful Receivables - Allowance for Doubtful Receivables (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Receivables [Abstract]
Balance at beginning of period	$ 1,819	$ 1,335	$ 1,710	$ 1,200
Bad debt expense, net of recoveries	100	213	235	393
Accounts written off	(53)	(25)	(79)	(70)
Balance at end of period	$ 1,866	$ 1,523	$ 1,866	$ 1,523