Balance Sheet Accounts (Components of Gross and Net Intangible Asset Balances) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Mar. 31, 2017	Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 121,927	$ 109,341
Accumulated Amortization	95,761	89,579
Net Carrying Amount	26,166	19,762
Gross Carrying Amount, Intangibles	123,527
Accumulated Amortization, Intangibles	95,761
Net Carrying Amount, Intangibles	$ 27,766	$ 19,762
Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	5 years 6 months 7 days	3 months 18 days
Gross Carrying Amount	$ 55,600	$ 48,000
Accumulated Amortization	42,056	43,028
Net Carrying Amount	$ 13,544	$ 4,972
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	3 years 7 months 2 days	3 months 18 days
Gross Carrying Amount	$ 40,400	$ 37,000
Accumulated Amortization	37,354	32,889
Net Carrying Amount	$ 3,046	$ 4,111
Maintenance contracts
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	1 year 7 months 2 days	2 years 3 months 18 days
Gross Carrying Amount	$ 17,000	$ 17,000
Accumulated Amortization	11,617	9,067
Net Carrying Amount	$ 5,383	$ 7,933
Trademarks
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	4 years 7 months 2 days	3 months 18 days
Gross Carrying Amount	$ 5,100	$ 2,500
Accumulated Amortization	2,717	2,222
Net Carrying Amount	$ 2,383	$ 278
License agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	6 years 7 months 6 days	9 years 8 months 12 days
Gross Carrying Amount	$ 2,445	$ 3,413
Accumulated Amortization	1,052	1,473
Net Carrying Amount	$ 1,393	$ 1,940
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Amortization Period	2 years 10 months 24 days	3 years 8 months 12 days
Gross Carrying Amount	$ 1,382	$ 1,428
Accumulated Amortization	965	900
Net Carrying Amount	417	$ 528
In-Process Research and Development
Finite-Lived Intangible Assets [Line Items]
Fair value of indefinite lived intangibles	$ 1,600