Severance and Exit Costs - Schedule of Changes in Severance and Exit Costs Accruals (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Aug. 31, 2022	Feb. 28, 2022
Restructuring and Related Activities [Abstract]
Beginning of period	$ 2,687	$ 1,988
Payments	(3,061)	(7,302)
Impairment of right-of-use assets	(421)	(580)
Expenses	4,675	8,581
End of period	$ 3,880	$ 2,687