For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Summary of Significant Accounting Policies (Schedule of Major Customers Accounting for 10% or More of Net Revenues and Accounts Receivable Balance) (Details) - Customer Concentration Risk	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Net Revenue \| Tech Data Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	14.00%	16.00%	17.00%
Net Revenue \| Jenne Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	13.00%	15.00%	14.00%
Net Revenue \| Westcon Group Inc.
Concentration Risk [Line Items]
Concentration risk (percent)	13.00%	12.00%	13.00%
Accounts Receivable \| Tech Data Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	17.00%	18.00%
Accounts Receivable \| Jenne Corporation
Concentration Risk [Line Items]
Concentration risk (percent)	13.00%	12.00%
Accounts Receivable \| Westcon Group Inc.
Concentration Risk [Line Items]
Concentration risk (percent)		11.00%