Balance Sheet Components (Summary of Contract Liabilities Shown as Deferred Revenue) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Deferred Revenue Arrangement [Line Items]
Total deferred revenue, net	$ 203,242	$ 174,525
Less: current portion	144,230	130,865
Non-current deferred revenue, net	59,012	43,660
Deferred Maintenance [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue, net	192,955	164,986
Other Deferred Revenue [Member]
Deferred Revenue Arrangement [Line Items]
Total deferred revenue, net	$ 10,287	$ 9,539