Stock-Based Compensation - Restricted Stock Unit Activity (Details) - RSUs - $ / shares	7 Months Ended	12 Months Ended
	Dec. 10, 2020	Apr. 30, 2022	Apr. 30, 2021
Number of RSUs
Unvested Balance at beginning of period (in shares)	0	447,000	0
RSUs granted (in shares)	0	13,750,000	447,000
RSUs vested (in shares)		(264,000)
RSUs forfeited (in shares)		(1,824,000)
Unvested Balance at end of period (in shares)		12,109,000	447,000
Weighted Average Grant Date Fair Value Per Share
Unvested Balance at beginning of period (in dollars per share)	$ 0	$ 74.52	$ 0
RSUs granted (in dollars per share)		37.49	74.52
RSUs vested (in dollars per share)		52.53
RSUs forfeited (in dollars per share)		54.06
Unvested Balance at end of period (in dollars per share)		$ 36.04	$ 74.52