Severance and Exit Costs - Additional Information (Details) - USD ($) $ in Millions	May 31, 2022	Feb. 28, 2022
Restructuring Cost And Reserve [Line Items]
Accrued expenses related to accrued severance and retention reflected in accrued compensation		$ 0.8
Restructuring Liability
Restructuring Cost And Reserve [Line Items]
Accounts payable and accrued liabilities	$ 0.3	0.8
Restructuring Severance Liability
Restructuring Cost And Reserve [Line Items]
Accounts payable and accrued liabilities	$ 1.5	$ 1.9

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer), including liabilities for compensation costs, fringe benefits other than pension and postretirement obligations, rent, contractual rights and obligations, and statutory obligations.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant