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Note 2 - Acquisitions - Unaudited Pro Forma Information (Details) - Standex Electronics Japan Corporation [Member] - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | [1] | Mar. 31, 2018 | Mar. 31, 2017 | [1]
Net Sales | $ 216,743 | $ 200,423 | $ 640,873 | $ 587,496
Net Income | $ 12,820 | $ 12,944 | $ 24,191 | $ 41,653
Earnings per share: |  |  |  |
Basic (in dollars per share) | $ 1.01 | $ 1.02 | $ 1.91 | $ 3.29
Diluted (in dollars per share) | $ 1 | $ 1.01 | $ 1.89 | $ 3.26
[1] | Fiscal year 2017 unaudited pro-forma results have been recast as a result of the adoption of Accounting Standards Update (ASU) 2016-09, Improvements to Employee Share-Based Payment Accounting.

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