Balance Sheet Components - Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016
Other Commitments [Line Items]
Deferred revenue-net of current portion	$ 40,666	$ 21,940
Accrued unrecognized tax benefits including related interests and penalties-net of current portion	17,329	16,056
Accrued warranty costs-net of current portion	1,304	1,313	$ 1,496
Others	1,348	1,294
Total other long-term liabilities	60,647	40,603
Deferred Extended Warranty and On-site Service Revenue
Other Commitments [Line Items]
Deferred revenue, noncurrent	$ 34,017	$ 21,265