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Balance Sheet Accounts (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 108,327 | $ 109,341
Accumulated Amortization | 96,620 | 89,579
Net Carrying Amount | $ 11,707 | $ 19,762
Developed technology |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Amortization Period | 2 months 19 days | 3 months 18 days
Gross Carrying Amount | $ 48,000 | $ 48,000
Accumulated Amortization | 46,444 | 43,028
Net Carrying Amount | $ 1,556 | $ 4,972
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Amortization Period | 1 month 6 days | 3 months 18 days
Gross Carrying Amount | $ 37,000 | $ 37,000
Accumulated Amortization | 35,972 | 32,889
Net Carrying Amount | $ 1,028 | $ 4,111
Maintenance contracts |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Amortization Period | 2 years | 2 years 3 months 18 days
Gross Carrying Amount | $ 17,000 | $ 17,000
Accumulated Amortization | 9,917 | 9,067
Net Carrying Amount | $ 7,083 | $ 7,933
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Amortization Period | 1 month 6 days | 3 months 18 days
Gross Carrying Amount | $ 2,500 | $ 2,500
Accumulated Amortization | 2,431 | 2,222
Net Carrying Amount | $ 69 | $ 278
License agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Amortization Period | 7 years | 9 years 8 months 12 days
Gross Carrying Amount | $ 2,445 | $ 3,413
Accumulated Amortization | 963 | 1,473
Net Carrying Amount | $ 1,482 | $ 1,940
Other intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Remaining Amortization Period | 3 years 4 months 24 days | 3 years 8 months 12 days
Gross Carrying Amount | $ 1,382 | $ 1,428
Accumulated Amortization | 893 | 900
Net Carrying Amount | $ 489 | $ 528

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