| Note 7 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Jun. 30, 2021 | 
|---|---|---|
| Finished goods | $ 131,021 | $ 106,924 | 
| Work in process | 15,098 | 11,612 | 
| Raw materials | 32,490 | 28,235 | 
| Inventory reserves | (2,105) | (2,793) | 
| Inventories, net | $ 176,504 | $ 143,978 | 
| X | ||||||||||
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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
 | 
| X | ||||||||||
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
 | 
| X | ||||||||||
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- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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| X | ||||||||||
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- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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| X | ||||||||||
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- Definition Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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