Fair Value Measurements (Details) - USD ($) $ in Thousands	Aug. 31, 2023	Feb. 28, 2023
Cash equivalents:
Convertible senior notes	$ 239,344
Money Market Funds
Cash equivalents:
Fair value	112,365	$ 99,861
Money Market Funds \| Level 1
Cash equivalents:
Fair value	$ 112,365	99,861
United States treasury bills
Cash equivalents:
Fair value		39,995
United States treasury bills \| Level 1
Cash equivalents:
Fair value		$ 39,995

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant