Antidilutive Securities (Detail) - shares shares in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Potentially Dilutive Securities Outstanding [Line Items]
Total anti-dilutive shares	27,092	16,151	9,474
Employee Stock option
Potentially Dilutive Securities Outstanding [Line Items]
Total anti-dilutive shares	11,030	8,057	5,606
Restricted Stock Units (RSUs)
Potentially Dilutive Securities Outstanding [Line Items]
Total anti-dilutive shares		32	336
Warrants
Potentially Dilutive Securities Outstanding [Line Items]
Total anti-dilutive shares	16,062	8,062	3,532