Balance Sheet Accounts (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 116,922	$ 125,508
Accumulated Amortization	81,784	73,376
Net Carrying Amount	$ 35,138	$ 52,132
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	7 months 24 days	1 year 2 months 12 days
Gross Carrying Amount	$ 48,000	$ 48,000
Accumulated Amortization	36,194	28,194
Net Carrying Amount	$ 11,806	$ 19,806
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	9 months	1 year 3 months 18 days
Gross Carrying Amount	$ 37,000	$ 37,000
Accumulated Amortization	26,722	20,556
Net Carrying Amount	$ 10,278	$ 16,444
Maintenance contracts
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years 9 months	3 years 3 months 18 days
Gross Carrying Amount	$ 17,000	$ 17,000
Accumulated Amortization	7,367	5,667
Net Carrying Amount	$ 9,633	$ 11,333
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	9 months	1 year 3 months 18 days
Gross Carrying Amount	$ 2,500	$ 2,500
Accumulated Amortization	1,805	1,389
Net Carrying Amount	$ 695	$ 1,111
Order backlog
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	0 years	3 months 18 days
Gross Carrying Amount	$ 7,400	$ 7,400
Accumulated Amortization	$ 7,400	6,967
Net Carrying Amount		$ 433
License agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	9 years 10 months 24 days	10 years 2 months 12 days
Gross Carrying Amount	$ 3,596	$ 10,924
Accumulated Amortization	1,494	8,620
Net Carrying Amount	$ 2,102	$ 2,304
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	4 years 2 months 12 days	3 years 9 months 18 days
Gross Carrying Amount	$ 1,426	$ 2,684
Accumulated Amortization	802	1,983
Net Carrying Amount	$ 624	$ 701