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Note 12 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details)
€ in Thousands, ¥ in Thousands, $ in Thousands, $ in Thousands, $ in Millions
Mar. 31, 2021
USD ($)
Mar. 31, 2021
EUR (€)
Mar. 31, 2021
SGD ($)
Mar. 31, 2021
CAD ($)
Mar. 31, 2021
JPY (¥)
Jun. 30, 2020
USD ($)
Jun. 30, 2020
EUR (€)
Jun. 30, 2020
SGD ($)
Jun. 30, 2020
CAD ($)
Jun. 30, 2020
JPY (¥)
Foreign Exchange Contract [Member]                    
Derivative, Notional Amount $ 0 € 5,750 $ 21,836 $ 20.6 ¥ 41,355 $ 287 € 5,750 $ 64,696 $ 20.6 ¥ 0