Subsequent Events	3 Months Ended
Apr. 30, 2022
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsThe Company hired Robert Enslin as Co-Chief Executive Officer effective May 16, 2022. In connection with the commencement of his employment, Mr. Enslin was granted (1) 1.6 million RSUs with a grant-date fair value of $27.1 million and (2) 1.6 million stock options with an exercise price of $16.64 and a grant-date fair value of $15.0 million. These grants vest over a period of 4.0 years from the grant date.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration