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Note 11 - Retirement Benefits - Contributions to Defined Benefit Plans (Details) $ in Thousands | 3 Months Ended
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Sep. 30, 2023 USD ($)
Contributions to defined benefit plans | $ 49
Remaining contributions to be made | 10,165
UNITED STATES | Defined Benefit Plan, Funded Plan [Member] |
Contributions to defined benefit plans | 0
Remaining contributions to be made | 9,805
UNITED STATES | Defined Benefit Plan, Unfunded Plan [Member] |
Contributions to defined benefit plans | 49
Remaining contributions to be made | 103
UNITED KINGDOM |
Contributions to defined benefit plans | 0
Remaining contributions to be made | 0
GERMANY | Defined Benefit Plan, Unfunded Plan [Member] |
Contributions to defined benefit plans | 0
Remaining contributions to be made | $ 257

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