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Note 12 - Retirement Benefits - Contributions to Defined Benefit Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018
Contributions to defined benefit plans | $ 1,719 | $ 1,959 | $ 248 | $ 499
Remaining contributions to be made | 3,325 |  | 3,325 |
UNITED STATES | Funded Plan [Member] |  |  |  |
Contributions to defined benefit plans | 1,468 | 1,468 | 0 | 0
Remaining contributions to be made | 2,880 |  | 2,880 |
UNITED STATES | Unfunded Plan [Member] |  |  |  |
Contributions to defined benefit plans | 58 | 114 | 56 | 111
Remaining contributions to be made | 102 |  | 102 |
UNITED KINGDOM |  |  |  |
Contributions to defined benefit plans | 193 | 377 | 192 | 388
Remaining contributions to be made | 0 |  | 0 |
GERMANY | Unfunded Plan [Member] |  |  |  |
Contributions to defined benefit plans | 0 | 0 | 0 | 0
Remaining contributions to be made | 280 |  | 280 |
IRELAND |  |  |  |
Contributions to defined benefit plans | 0 | $ 0 | 0 | $ 0
Remaining contributions to be made | $ 63 |  | $ 63 |

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