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Note 10 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details) € in Thousands, $ in Thousands, $ in Thousands, $ in Millions | Jun. 30, 2021 USD ($) | Jun. 30, 2021 EUR (€) | Jun. 30, 2021 SGD ($) | Jun. 30, 2021 CAD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2020 EUR (€) | Jun. 30, 2020 SGD ($) | Jun. 30, 2020 CAD ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Foreign Exchange Contract [Member] |  |  |  |  |  |  |  |
Derivative, Notional Amount | $ 987 | € 5,750 | $ 21,836 | $ 20.6 | $ 287 | € 5,750 | $ 64,696 | $ 20.6

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