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Note 11 - Retirement Benefits (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Mar. 31, 2015 | Mar. 31, 2015
UNITED KINGDOM | Foreign Pension Plan [Member] |  |
Note 11 - Retirement Benefits (Details) [Line Items] |  |
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year |  | $ 1.0 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_ForeignPensionPlansDefinedBenefitMember / us-gaap_StatementGeographicalAxis = country_GB
UNITED STATES | United States Pension Plan of US Entity [Member] |  |
Note 11 - Retirement Benefits (Details) [Line Items] |  |
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year |  | 0.2 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_UnitedStatesPensionPlansOfUSEntityDefinedBenefitMember / us-gaap_StatementGeographicalAxis = country_US
GERMANY | Foreign Pension Plan [Member] |  |
Note 11 - Retirement Benefits (Details) [Line Items] |  |
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year |  | 0.4 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_ForeignPensionPlansDefinedBenefitMember / us-gaap_StatementGeographicalAxis = country_DE
Pension Plan [Member] |  |
Note 11 - Retirement Benefits (Details) [Line Items] |  |
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year |  | 1.6 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember
Defined Benefit Plan, Contributions by Employer | $ 0.6 us-gaap_DefinedBenefitPlanContributionsByEmployer / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember | $ 1.1 us-gaap_DefinedBenefitPlanContributionsByEmployer / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + 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)(3) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan in the current remaining fiscal period. + References No definition available. + Details
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