Accounts Receivable and Allowance for Doubtful Receivables - Allowance for Doubtful Receivables (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022
Receivables [Abstract]
Balance at beginning of period	$ 1,866	$ 1,523	$ 1,710	$ 1,200
Bad debt expense, net of recoveries	138	192	373	585
Accounts written off	(46)	(23)	(125)	(93)
Balance at end of period	$ 1,958	$ 1,692	$ 1,958	$ 1,692