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Balance Sheet Accounts (Schedule of Concentration of Risk) (Details) - Net Revenue | 3 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015
Westcon Group Inc. |  |
Concentration Risk [Line Items] |  |
Concentration risk (percent) | 11.00% | 16.00%
Tech Data Corporation |  |
Concentration Risk [Line Items] |  |
Concentration risk (percent) | 17.00% | 12.00%
Jenne |  |
Concentration Risk [Line Items] |  |
Concentration risk (percent) | 16.00% | 11.00%
Avnet |  |
Concentration Risk [Line Items] |  |
Concentration risk (percent) | 13.00% |
Scansource Inc |  |
Concentration Risk [Line Items] |  |
Concentration risk (percent) |  | 13.00%

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