Goodwill and Purchased Intangible Assets  - Future Estimated Amortization Expense (Details) - USD ($) $ in Thousands  | 
Sep. 30, 2016  | 
Jun. 30, 2016  | 
|---|---|---|
| Remaing Estimated Amortization Expense | ||
| 2017 (remaining 9 months) | $ 1,540 | |
| 2018 | 1,525 | |
| Total | $ 3,065 | $ 4,331 | 
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available. 
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- References No definition available. 
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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