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Benefit Plans 6 (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	100.00%
Fair value of plan assets	$ 6,530	$ 6,737
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Asset Information
Fair value of plan assets	3,880	3,843
Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Asset Information
Fair value of plan assets	2,538	2,759
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
Defined Benefit Plan Asset Information
Fair value of plan assets	$ 112	$ 135
Minimum [Member] | Equity Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	40.00%
Minimum [Member] | Debt Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	20.00%
Minimum [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	0.00%
Maximum [Member] | Equity Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	70.00%
Maximum [Member] | Debt Securities [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	50.00%
Maximum [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Asset Information
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage	20.00%

X

- Definition

Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one 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 (d)(5)(i)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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