Summary of Significant Accounting Policies (Roll Forward of Deferred Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Movement in Deferred Revenue [Roll Forward]
Balance beginning of period	$ 97,677
Balance end of period	99,782	$ 97,677
Less: current portion	76,551	74,735
Non-current deferred revenue	23,231	22,942
Renewable support arrangements
Movement in Deferred Revenue [Roll Forward]
Balance beginning of period	89,657	38,003
Assumed from acquisition	0	35,879
New support arrangements	119,906	113,412
Recognition of support revenue	(122,122)	(97,637)
Balance end of period	87,441	89,657
Less: current portion	64,210	66,715
Non-current deferred revenue	$ 23,231	$ 22,942