Summary of Significant Accounting Policies (Schedule of Concentration of Risk) (Details)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Net Revenue | Tech Data Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	15.00%	17.00%	15.00%
Net Revenue | Jenne Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	15.00%	14.00%
Net Revenue | Westcon Group Inc.
Concentration Risk [Line Items]
Concentration risk (percent)	11.00%	14.00%	15.00%
Accounts Receivable | Tech Data Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	18.00%	11.00%
Accounts Receivable | Jenne Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	12.00%
Accounts Receivable | Westcon Group Inc.
Concentration Risk [Line Items]
Concentration risk (percent)	11.00%	19.00%	27.00%