Summary of Significant Accounting Policies (Schedule of Change in Deferred Maintenance Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Movement in Deferred Revenue [Roll Forward]
Balance beginning of period	$ 99,782
Balance end of period	94,860	$ 99,782
Deferred revenue, net	72,934	76,551
Deferred revenue, less current portion	21,926	23,231
Deferred Maintenance Revenue
Movement in Deferred Revenue [Roll Forward]
Balance beginning of period	87,441	89,657
New maintenance arrangements	110,192	119,906
Recognition of maintenance revenue	(114,214)	(122,122)
Balance end of period	83,419	87,441
Deferred revenue, net	61,493	64,210
Deferred revenue, less current portion	$ 21,926	$ 23,231