Covid-19 Pandemic - Additional Information (Detail) - COVID-19 [Member]	6 Months Ended
Aug. 31, 2020 Employee Facility
Unusual Or Infrequent Item [Line Items]
Number of employees furloughed \| Employee	320
Number of under-utilized facilities ceased	1
Number of facilities exited with expiring leases	2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration