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Note 2 - Acquisition of EMI Industries, LLC - Pro Forma Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Sales | $ 535,849 | $ 578,169
Gross Profit | 141,788 | 147,967
Business Acquisition, Pro Forma Income (Loss) from Continuing Operations, Net of Tax | $ 36,303 | $ 38,798

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