Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019
Accrued Liabilities [Abstract]
Contract manufacturing liabilities	$ 48,835	$ 25,308
Accrued payroll and related expenses	28,716	25,552
Accrued legal liabilities (Note 11)	17,500	0
Customer deposits	15,958	11,133
Performance awards liability, current	10,257	0
Accrued warranty costs	9,386	8,661	$ 8,200
Accrued cooperative marketing expenses	6,649	5,830
Operating lease liability	6,103	0
Accrued professional fees	2,804	11,756
Others (accrued liabilities)	30,940	26,438
Operating lease liability	$ 177,148	$ 114,678