Note 1. Business Description and Summary of Significant Accounting Policies - Textuals (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020
Accounts Receivable, Extended Payment Terms	45 days
Accounts Receivable Sold Without Recourse	$ 91,100	$ 76,000
Factoring Fees	400	600
Due From Bankers Acceptance Drafts	5,700		$ 7,100
SettlementofBankersAcceptanceDrafts	1,100	300
Other General Income	(341)	$ 0
Long-term income taxes payable	8,854		9,765
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
Operating Lease, Right-of-Use Asset	1,900		2,000
Operating Lease, Liability	$ 1,900		$ 2,000
Minimum
Accounts Receivable, Customary Payment Terms	30 days
Maximum
Accounts Receivable, Customary Payment Terms	45 days