Goodwill and Other Identifiable Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Goodwill [Line Items]
Goodwill impairment charges	$ 119,037,000	$ 0	$ 0
Intangible assets, impairment charges	$ 1,400,000	$ 0	$ 0
Weighted average amortization period	10 years	9 years	10 years
Amortization expense of intangible assets	$ 19,953,000	$ 17,893,000	$ 18,680,000
Worldwide Barcode, Networking and Security Segment [Member]
Goodwill [Line Items]
Goodwill impairment charges	119,037,000
Worldwide Communications & Services Segment [Member]
Goodwill [Line Items]
Goodwill impairment charges	$ 0
Fair value in excess of carrying amount	12.00%

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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