Stock Incentive Plan and Employee Stock Purchase Plan - Summary of Activity of RSUs, PSUs and MSUs (Details) - $ / shares	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Restricted Stock Units
Total Number of Shares Underlying
Unvested at the beginning of the year (in shares)	2,918,000	3,171,000	3,084,000
Granted (in shares)	3,236,000	1,738,000	2,009,000
Vested (in shares)	(1,341,000)	(1,452,000)	(1,579,000)
Cancelled/Forfeited (in shares)	(252,000)	(539,000)	(343,000)
Unvested at the end of the year (in shares)	4,561,000	2,918,000	3,171,000
Weighted Average Grant Date Fair Value Per Share
Granted (in dollars per share)	$ 3.75	$ 4.16	$ 2.74
Performance Stock Units
Total Number of Shares Underlying
Unvested at the beginning of the year (in shares)	280,000	419,000	0
Granted (in shares)	937,000	280,000	419,000
Vested (in shares)	0	0
Cancelled/Forfeited (in shares)	(642,000)	(419,000)
Unvested at the end of the year (in shares)	575,000	280,000	419,000
Market Stock Units
Total Number of Shares Underlying
Unvested at the beginning of the year (in shares)	0	171,000	641,000
Granted (in shares)	0	0	0
Vested (in shares)	0	0	0
Cancelled/Forfeited (in shares)	0	(171,000)	(470,000)
Unvested at the end of the year (in shares)		0	171,000
Restricted Stock Units, Performance Stock Units and Market Stock Units
Total Number of Shares Underlying
Unvested at the beginning of the year (in shares)	3,198,000	3,761,000	3,725,000
Granted (in shares)	4,173,000	2,018,000	2,428,000
Vested (in shares)	(1,341,000)	(1,452,000)	(1,579,000)
Cancelled/Forfeited (in shares)	(894,000)	(1,129,000)	(813,000)
Unvested at the end of the year (in shares)	5,136,000	3,198,000	3,761,000
Weighted Average Grant Date Fair Value Per Share
Unvested at the beginning of the year (in dollars per share)	$ 3.73	$ 3.26	$ 4.34
Granted (in dollars per share)	3.75	4.16	2.74
Vested (in dollars per share)	3.75	3.52	4.62
Cancelled/Forfeited (in dollars per share)	3.87	3.20	3.96
Unvested at the end of the year (in dollars per share)	$ 3.74	$ 3.73	$ 3.26