Note 11. Income Taxes - Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Deferred Tax Liabilities, Intangible Assets	$ 1,210	$ 1,313
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Long-term income taxes payable	$ 8,854	$ 9,765
Deferred Tax Assets, Valuation Allowance	1,802	1,637
Undistributed Earnings of Foreign Subsidiaries	313,000
Income Taxes Paid (Refunded), Net	13,358	9,096	$ 10,172
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability	9,800	$ 9,800
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Current	$ 900

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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