Covid-19 Pandemic - Additional Information (Detail) - COVID-19 [Member]	9 Months Ended	12 Months Ended
	Nov. 30, 2021 Employee Facility	Feb. 28, 2021 Facility
Unusual Or Infrequent Item [Line Items]
Number of employees | Employee	350
Number of under-utilized facilities ceased		2
Number of facilities exited with expiring leases	2	2
Number of facilities	3
Number of facilities owned	1