Prepaid Expenses and Other Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Prepaid Expense and Other Assets, Current [Abstract]
Receivables from vendors	$ 94,859	$ 83,050
Prepaid income tax	14,323	607
Prepaid expenses	7,075	7,269
Deferred service costs	4,161	3,374
Restricted cash	250	11,673
Others	6,317	3,822
Total prepaid expenses and other current assets	126,985	109,795
Receivables from contract manufacturers, buy-sell arrangement	$ 83,800	$ 82,000