Segment Information (Assets By Segment) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Assets	$ 2,073,801	$ 2,067,261
Property and equipment, net by Geography Category	60,891	63,363
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Assets	42,868	64,615
Reportable Geographical Components [Member] \| United States and Canada [Member]
Segment Reporting Information [Line Items]
Property and equipment, net by Geography Category	56,326	58,961
Reportable Geographical Components [Member] \| International [Member]
Segment Reporting Information [Line Items]
Property and equipment, net by Geography Category	4,565	4,402
Barcode, Networking & Security Segment [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	1,144,034	1,097,207
Communications & Services Segment [Member] \| Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	$ 886,899	$ 905,439

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(14))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_PropertyPlantAndEquipmentNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant