Segment Information (Assets By Segment) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Assets	$ 1,671,684	$ 1,692,094
Property and equipment, net	42,836	55,641
United States
Segment Reporting Information [Line Items]
Property and equipment, net	39,930	53,083
International
Segment Reporting Information [Line Items]
Property and equipment, net	2,906	2,558
Operating Segments | Worldwide Barcode, Networking & Security Segment
Segment Reporting Information [Line Items]
Assets	858,215	875,882
Operating Segments | Worldwide Communications & Services Segment
Segment Reporting Information [Line Items]
Assets	786,241	757,148
Corporate
Segment Reporting Information [Line Items]
Assets	$ 27,228	$ 59,064