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Note 10 - Derivative Financial Instruments - Details About Accumulated Other Comprehensive Income (Loss) Components (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Accumulated other comprehensive income (loss) component $ 1,124 $ 292 $ (387)
Interest Rate Swap [Member] | Interest Expense [Member]      
Accumulated other comprehensive income (loss) component (321) 171 399
Foreign Exchange Contract [Member] | Interest Expense [Member]      
Accumulated other comprehensive income (loss) component 1,730 121 (861)
Foreign Exchange Contract [Member] | Cost of Sales [Member]      
Accumulated other comprehensive income (loss) component 75
Foreign Exchange Forward [Member] | Nonoperating Income (Expense) [Member]      
Accumulated other comprehensive income (loss) component $ (285)