Balance Sheet Accounts (Summary of Deferred Revenue, Net) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Deferred Revenue Arrangement [Line Items]
Deferred revenue, net	$ 105,923	$ 94,860
Less: current portion	81,404	72,934
Non-current deferred revenue, net	24,519	21,926
Deferred Maintenance
Deferred Revenue Arrangement [Line Items]
Deferred revenue, net	84,595	83,419
Deferred Maintenance Assumed Due to Acquisition
Deferred Revenue Arrangement [Line Items]
Deferred revenue, net	13,533
Deferred Product and Other Revenue
Deferred Revenue Arrangement [Line Items]
Deferred revenue, net	$ 7,795	$ 11,441