Note 1. Business Description and Summary of Significant Accounting Policies - Income Taxes (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Dec. 31, 2017	Mar. 31, 2019	Jun. 30, 2018
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	21.00%
Tax Cuts and Jobs Act of 2017, Change in Tax Rate, Net Deferred Tax Assets, Provisional Income Tax Expense (Benefit)		$ 300
Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit)		11,900
Long-term income taxes payable		10,937	$ 12,361
former parent
Nontrade Receivables		500	500
Nontrade Receivables, Noncurrent		$ 400	$ 400