Note 12. Postemployment Benefits (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Components of Net Periodic Benefit Cost (before tax):
Service cost	$ 131us-gaap_DefinedBenefitPlanServiceCost	$ 237us-gaap_DefinedBenefitPlanServiceCost	$ 521us-gaap_DefinedBenefitPlanServiceCost	$ 720us-gaap_DefinedBenefitPlanServiceCost
Interest cost	21us-gaap_DefinedBenefitPlanInterestCost	34us-gaap_DefinedBenefitPlanInterestCost	77us-gaap_DefinedBenefitPlanInterestCost	103us-gaap_DefinedBenefitPlanInterestCost
Amortization of prior service costs	41	71	177	214
Amortization of actuarial (income) loss	(69)	80	(146)	274
Net periodic benefit cost — Total cost	124	422	629	1,311
Discontinued Operations
Components of Net Periodic Benefit Cost (before tax):
Net periodic benefit cost — Total cost	0	81	81	265
Continuing Operations
Components of Net Periodic Benefit Cost (before tax):
Net periodic benefit cost — Total cost	$ 124	$ 341	$ 548	$ 1,046

The amount of gains or losses recognized in net periodic benefit cost.

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- Definition

The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.

+ References

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- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References

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- Definition

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Service Cost (Component of Net Periodic Pension Cost)

-URI http://asc.fasb.org/extlink&oid=6525008

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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