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Note 17 - Employee Benefits - Target Asset Allocations (Details) | 12 Months Ended
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Jun. 30, 2016
Equity Securities [Member] | United States Pension Plan of US Entity [Member] |
Target asset allocations | 32.00%
Equity Securities [Member] | Foreign Pension Plan [Member] | UNITED KINGDOM |
Target asset allocations | 25.00%
Debt Securities [Member] | United States Pension Plan of US Entity [Member] |
Target asset allocations | 33.00%
Debt Securities [Member] | Foreign Pension Plan [Member] | UNITED KINGDOM |
Target asset allocations | 60.00%
Hedge Funds, Global Opportunity [Member] | United States Pension Plan of US Entity [Member] |
Target asset allocations | 25.00%
Hedge Funds, Global Opportunity [Member] | Foreign Pension Plan [Member] | UNITED KINGDOM |
Target asset allocations | 12.00%
Other Debt Obligations [Member] | United States Pension Plan of US Entity [Member] |
Target asset allocations | 10.00%
Other Debt Obligations [Member] | Foreign Pension Plan [Member] | UNITED KINGDOM |
Target asset allocations | 3.00%
United States Pension Plan of US Entity [Member] |
Target asset allocations | 100.00%
Foreign Pension Plan [Member] | UNITED KINGDOM |
Target asset allocations | 100.00%

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- Definition Target allocation of investments of this type to total plan assets presented on a weighted average basis. + 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)(i) -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)(i) -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920 + Details
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