Note 6. Goodwill and Other Intangible Assets Finite-Lived Intangible Assets (Details) - USD ($)	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Other Intangible Assets
Other Intangible Assets, Cost	$ 52,099,000	$ 52,062,000
Other Intangible Assets, Accumulated Amortization	32,756,000	29,874,000
Other Intangible Assets, Net Value	19,343,000	22,188,000
Other Intangible Assets, Amortization Expense	3,200,000	2,600,000	$ 900,000
Other Intangible Assets, Future Amortization Expense, Year One	3,100,000
Other Intangible Assets, Future Amortization Expense, Year Two	3,000,000
Other Intangible Assets, Future Amortization Expense, Year Three	2,900,000
Other Intangible Assets, Future Amortization Expense, Year Four	2,100,000
Other Intangible Assets, Future Amortization Expense, Year Five	1,600,000
Other Intangible Assets, Future Amortization Expense, after Year Five	6,600,000
Indefinite-lived Intangible Assets (Excluding Goodwill)	0
Finite-lived Intangible Assets Acquired	0
Computer Software, Intangible Asset
Other Intangible Assets
Other Intangible Assets, Cost	32,052,000	32,015,000
Other Intangible Assets, Accumulated Amortization	27,851,000	27,124,000
Other Intangible Assets, Net Value	$ 4,201,000	4,891,000
Computer Software, Intangible Asset | Minimum
Other Intangible Assets
Finite-Lived Intangible Asset, Useful Life	3 years
Computer Software, Intangible Asset | Maximum
Other Intangible Assets
Finite-Lived Intangible Asset, Useful Life	10 years
Customer Relationships
Other Intangible Assets
Other Intangible Assets, Cost	$ 8,618,000	8,618,000
Other Intangible Assets, Accumulated Amortization	2,014,000	1,506,000
Other Intangible Assets, Net Value	$ 6,604,000	7,112,000
Finite-Lived Intangible Asset, Useful Life	15 years
Technology-Based Intangible Assets
Other Intangible Assets
Other Intangible Assets, Cost	$ 5,060,000	5,060,000
Other Intangible Assets, Accumulated Amortization	1,777,000	766,000
Other Intangible Assets, Net Value	$ 3,283,000	4,294,000
Finite-Lived Intangible Asset, Useful Life	5 years
Trade Names
Other Intangible Assets
Other Intangible Assets, Cost	$ 6,369,000	6,369,000
Other Intangible Assets, Accumulated Amortization	1,114,000	478,000
Other Intangible Assets, Net Value	$ 5,255,000	$ 5,891,000
Finite-Lived Intangible Asset, Useful Life	10 years