Note 11. Commitments and Contingent Liabilities - Product Warranty (Details) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Product Warranty Liability at the beginning of the period	$ 2,238	$ 2,294
Additions to warranty accrual (including changes in estimates)	285	354
Settlements made (in cash or in kind)	(422)	(606)
Product Warranty Liability at the end of the period	$ 2,101	$ 2,042