Property, Plant And Equipment (Schedule Of Property, Plant And Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Property, Plant and Equipment [Line Items]
Total	$ 92,082	$ 88,573
Less accumulated depreciation	(53,430)	(50,030)
Net	38,652	38,543
Land [Member]
Property, Plant and Equipment [Line Items]
Total	3,457	3,457
Buildings & Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Total	49,131	49,114
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	19,824	17,684
Delivery Equipment [Member]
Property, Plant and Equipment [Line Items]
Total	2,962	2,979
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total	3,558	3,599
Computer Software And Hardware [Member]
Property, Plant and Equipment [Line Items]
Total	8,919	8,717
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Total	$ 4,231	$ 3,023
Minimum [Member] \| Buildings & Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	5 years
Minimum [Member] \| Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Minimum [Member] \| Delivery Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Minimum [Member] \| Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Minimum [Member] \| Computer Software And Hardware [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	3 years
Maximum [Member] \| Buildings & Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	39 years
Maximum [Member] \| Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	7 years
Maximum [Member] \| Delivery Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	5 years
Maximum [Member] \| Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	7 years
Maximum [Member] \| Computer Software And Hardware [Member]
Property, Plant and Equipment [Line Items]
Estimated Life (Years)	7 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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