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Stockholders' Equity and Warrant Liabilities - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended			6 Months Ended	11 Months Ended
	Jun. 11, 2021	Apr. 30, 2022	Jan. 31, 2022	Jan. 31, 2021	Apr. 30, 2022	Apr. 30, 2022	Oct. 31, 2021	Jul. 31, 2021	Jun. 30, 2021
Series C Warrants
Stockholders' Equity Note
Exercise price of warrants or rights		$ 19.20			$ 19.20	$ 19.20
Class of warrant or right term					5 years
Common Stock
Stockholders' Equity Note
Stock issued during period shares new issues		19,896,904		25,000,000
At Market Issuance Sales Agreement | Jefferies LLC | Common Stock
Stockholders' Equity Note
Stock issued during period shares new issues		19,900,000	0		19,900,000	64,000,000.0
Gross proceeds from issuance of common stock		$ 120.8			$ 120.8	$ 498.1
Net proceeds from issuance of common stock		$ 118.3			$ 118.3	$ 488.1
Aggregate offering price	$ 500.0
Percentage of sales commission	2.00%
Average sale price per share		$ 6.07			$ 6.07	$ 7.79
Payments of commissions and offering expenses		$ 2.4			$ 2.4	$ 10.0
Sale agreement, common stock, value, available for issuance		$ 1.9			$ 1.9	$ 1.9	$ 1.9	$ 1.9	$ 1.9
At Market Issuance Sales Agreement | Maximum | Jefferies LLC | Common Stock
Stockholders' Equity Note
Aggregate offering price	$ 500.0

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