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Note 11 - Retirement Benefits (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	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		$ 1.0us-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		0.2us-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		0.4us-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		1.6us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember
Defined Benefit Plan, Contributions by Employer	$ 0.6us-gaap_DefinedBenefitPlanContributionsByEmployer / us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis = us-gaap_PensionPlansDefinedBenefitMember	$ 1.1us-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

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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.

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