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Benefit Plans 2 (Details) - Pension Benefits [Member] - USD ($) $ in Thousands | Jun. 30, 2018 | Jun. 30, 2017
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Information for pension plans with projected benefit obligations and accumulated benefit obligations in excess of plan assets |  |
Projected benefit obligations | $ 21,534 | $ 24,411
Accumulated benefit obligations | 21,534 | 24,411
Fair value of plan assets | $ 7,702 | $ 6,530

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- Definition Amount of accumulated benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2417-114920 + Details
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- Definition Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=77993564&loc=d3e4179-114921 + Details
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