Covid-19 Pandemic - Additional Information (Detail) - COVID-19 [Member]	3 Months Ended
	May 31, 2021 Employee Facility
Unusual Or Infrequent Item [Line Items]
Number of employees | Employee	353
Number of under-utilized facilities ceased	2
Number of facilities exited with expiring leases	2
Decrease in unemployment rate	0.30%
Unemployment rate	5.80%