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Note 10 - Derivative Financial Instruments - Foreign Currency Exchange Contracts (Details)
€ in Thousands, $ in Thousands, $ in Thousands, $ in Millions
Mar. 31, 2022
USD ($)
Mar. 31, 2022
EUR (€)
Mar. 31, 2022
SGD ($)
Mar. 31, 2022
CAD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2021
EUR (€)
Jun. 30, 2021
SGD ($)
Jun. 30, 2021
CAD ($)
Derivative, Notional Amount              
Foreign Exchange Contract [Member]                
Derivative, Notional Amount $ 0 € 5,750 $ 5,000 $ 16.6 $ 987 € 5,750 $ 21,836 $ 20.6