Balance Sheet Components - Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2015
Other Commitments [Line Items]
Deferred revenue-net of current portion (1)	$ 25,028	$ 21,940
Accrued unrecognized tax benefits including related interests and penalties-net of current portion	17,080	16,056
Accrued warranty costs-net of current portion	1,326	1,313	$ 0
Others	1,227	1,294
Total other long-term liabilities	44,661	40,603
Deferred Extended Warranty and On-site Service Revenue
Other Commitments [Line Items]
Deferred revenue, noncurrent	$ 23,717	$ 21,265