Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015	Mar. 31, 2015
Balance Sheet Related Disclosures [Abstract]
Accrued payroll and related expenses	$ 15,574	$ 15,141
Customer deposits	6,255	6,314
Accrued warranty costs	5,634	7,700	$ 7,209
Accrued cooperative marketing expenses	7,782	5,690
Deferred service revenue	10,816	4,085
Others	8,071	7,813
Total accrued liabilities	$ 54,132	$ 46,743