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Note 1. Business Description and Summary of Significant Accounting Policies - Components of Non-operating income (expense), net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Foreign Currency/Derivative Gain (Loss)	$ 45	$ 333	$ (655)	$ 1,394
Gain (loss) on supplemental employee retirement plan investments	(626)	282	(507)	585
Foreign government subsidies	105	0	571	54
Other non-operating income (expense)	(44)	(53)	(100)	(61)
Non-operating income (expense), net	$ (520)	$ 562	$ (691)	$ 1,972

X

- Definition

Foreign government subsidies received from foreign governments

+ References

No definition available.

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- Definition

The aggregate foreign currency transaction gain (loss) (both realized and unrealized), foreign currency remeasurement gain (loss), and foreign currency derivative gain (loss) included in determining net income for the reporting period, on a pre-tax basis

+ References

No definition available.

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- Definition

The sum of the realized and unrealized net gain (loss) on trading securities during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27476-111563

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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Amount of income (expense) related to nonoperating activities, classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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