Covid-19 Pandemic - Additional Information (Detail) - COVID-19 [Member]	9 Months Ended
Nov. 30, 2020 Employee Facility
Unusual Or Infrequent Item [Line Items]
Number of employees furloughed \| Employee	300
Number of under-utilized facilities ceased	2
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.

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