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Note 6. Goodwill and Other Intangible Assets Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Apr. 30, 2021	Oct. 01, 2018
Goodwill
Goodwill, Gross	$ 32,762	$ 32,762	$ 30,930
Accumulated impairment	(20,751)	(20,751)	(12,826)
Goodwill	12,011	12,011	18,104
Goodwill, Purchase Accounting Adjustments		1,832
Goodwill Impairment	0	(7,925)	$ 0
GES
Goodwill
Goodwill					$ 13,700
Goodwill, Purchase Accounting Adjustments		1,800
GES
Goodwill
Goodwill Impairment	$ 0	(7,900)
Reduction in Income Tax Expense from Goodwill Impairment		$ 1,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount				35.00%

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