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Note 17 - Employee Benefits - Asset Allocation (Details) | Jun. 30, 2016 | Jun. 30, 2015
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United States Pension Plan of US Entity [Member] | Equity Securities [Member] |  |
Asset allocations | 31.00% | 33.00%
United States Pension Plan of US Entity [Member] | Debt Securities [Member] |  |
Asset allocations | 34.00% | 31.00%
United States Pension Plan of US Entity [Member] | Hedge Funds, Global Opportunity [Member] |  |
Asset allocations | 25.00% | 26.00%
United States Pension Plan of US Entity [Member] | Other Debt Obligations [Member] |  |
Asset allocations | 10.00% | 10.00%
United States Pension Plan of US Entity [Member] |  |
Asset allocations | 100.00% | 100.00%
Foreign Pension Plan [Member] | Equity Securities [Member] |  |
Asset allocations | 26.00% | 24.00%
Foreign Pension Plan [Member] | Debt Securities [Member] |  |
Asset allocations | 57.00% | 75.00%
Foreign Pension Plan [Member] | Hedge Funds, Global Opportunity [Member] |  |
Asset allocations | 13.00% | 0.00%
Foreign Pension Plan [Member] | Other Debt Obligations [Member] |  |
Asset allocations | 4.00% | 1.00%
Foreign Pension Plan [Member] |  |
Asset allocations | 100.00% | 100.00%

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- Definition Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2446-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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