Net Loss Per Share - Basic and Diluted Net Loss (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss	$ (486,761)	$ (519,510)	$ (578,979)
Denominator:
Weighted-average shares outstanding, basic (in shares)	256,307,000	253,312,000	249,679,000
Weighted-average shares outstanding, diluted (in shares)	256,307,000	253,312,000	249,679,000
Net loss per share, basic (in USD per share)	$ (1.90)	$ (2.05)	$ (2.32)
Net loss per share, diluted (in USD per share)	$ (1.90)	$ (2.05)	$ (2.32)
Class A
Numerator:
Net loss	$ (283,907)	$ (290,290)	$ (308,953)
Denominator:
Weighted-average shares outstanding, basic (in shares)	149,493,000	141,545,000	133,233,000
Weighted-average shares outstanding, diluted (in shares)	149,493,000	141,545,000	133,233,000
Net loss per share, basic (in USD per share)	$ (1.90)	$ (2.05)	$ (2.32)
Net loss per share, diluted (in USD per share)	$ (1.90)	$ (2.05)	$ (2.32)
Class B
Numerator:
Net loss	$ (202,854)	$ (229,220)	$ (270,026)
Denominator:
Weighted-average shares outstanding, basic (in shares)	106,814,000	111,767,000	116,446,000
Weighted-average shares outstanding, diluted (in shares)	106,814,000	111,767,000	116,446,000
Net loss per share, basic (in USD per share)	$ (1.90)	$ (2.05)	$ (2.32)
Net loss per share, diluted (in USD per share)	$ (1.90)	$ (2.05)	$ (2.32)