Business and Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
Jun. 30, 2022 USD ($) product_line segment	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Number of reportable segments \| segment	2
Amount of related party transactions	$ 0	$ 0	$ 0
Cash and cash equivalents	$ 37,987,000	62,718,000
Derivative contract term	90 days
Deferred compensation plan investments, current and non-current	$ 25,200,000	31,200,000
Deferred compensation plan liabilities, current and non-current portion	25,200,000	31,200,000
Deferred compensation plan assets, current	2,600,000	4,900,000
Deferred compensation plan liabilities, current	$ 2,600,000	4,900,000
Number of product lines with warranty programs \| product_line	3
Product warranty term	30 days
Goodwill impairment charges	$ 0	0	119,000,000
Intangible assets, impairment charges	$ 0	$ 0	$ 1,400,000
Building Improvements
Property and equipment, estimated useful life (years)	15 years
Minimum
Intangible assets, estimated useful life (years)	3 years
Minimum \| Furniture
Property and equipment, estimated useful life (years)	3 years
Minimum \| Buildings
Property and equipment, estimated useful life (years)	25 years
Minimum \| Software Development
Property and equipment, estimated useful life (years)	3 years
Maximum
Intangible assets, estimated useful life (years)	19 years
Maximum \| Furniture
Property and equipment, estimated useful life (years)	10 years
Maximum \| Buildings
Property and equipment, estimated useful life (years)	40 years
Maximum \| Software Development
Property and equipment, estimated useful life (years)	10 years
Supplier Concentration Risk \| Minimum \| Revenue from Contract with Customer Benchmark \| Cisco
Concentration risk percentage	10.00%	10.00%	10.00%
Supplier Concentration Risk \| Minimum \| Revenue from Contract with Customer Benchmark \| Zebra
Concentration risk percentage	10.00%	10.00%	10.00%
International
Cash and cash equivalents	$ 35,000,000	$ 52,100,000
Bank Overdrafts
Outstanding checks	$ 18,000,000	$ 14,300,000

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