Balance Sheet Accounts (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 31, 2016	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 109,522	$ 125,508
Accumulated Amortization	82,097	73,376
Net Carrying Amount	$ 27,425	$ 52,132
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	4 months 24 days	1 year 2 months 12 days
Gross Carrying Amount	$ 48,000	$ 48,000
Accumulated Amortization	39,611	28,194
Net Carrying Amount	$ 8,389	$ 19,806
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	6 months	1 year 3 months 18 days
Gross Carrying Amount	$ 37,000	$ 37,000
Accumulated Amortization	29,806	20,556
Net Carrying Amount	$ 7,194	$ 16,444
Maintenance contracts
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years 6 months	3 years 3 months 18 days
Gross Carrying Amount	$ 17,000	$ 17,000
Accumulated Amortization	8,217	5,667
Net Carrying Amount	$ 8,783	$ 11,333
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	6 months	1 year 3 months 18 days
Gross Carrying Amount	$ 2,500	$ 2,500
Accumulated Amortization	2,014	1,389
Net Carrying Amount	$ 486	$ 1,111
License agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	9 years 9 months 18 days	10 years 2 months 12 days
Gross Carrying Amount	$ 3,596	$ 10,924
Accumulated Amortization	1,583	8,620
Net Carrying Amount	$ 2,013	$ 2,304
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	3 years 11 months 1 day	3 years 9 months 18 days
Gross Carrying Amount	$ 1,426	$ 2,684
Accumulated Amortization	866	1,983
Net Carrying Amount	$ 560	$ 701
Order backlog
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period		3 months 18 days
Gross Carrying Amount		$ 7,400
Accumulated Amortization		6,967
Net Carrying Amount		$ 433