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Note R - Restructuring of Operations and Other Operating Income (Details Textual) $ in Thousands |  |  | 12 Months Ended | 49 Months Ended |
--- | --- | --- | --- | --- | ---
May 13, 2019 USD ($) shares | Mar. 04, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jul. 02, 2018 USD ($)
Restructuring Charges, Total |  |  | $ 1,179 | $ 3,398 | $ 10,452 |
Restructuring and Related Cost, Number of Positions Eliminated |  |  |  |  | 176 |
Veth Propulsion [Member] |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  |  | $ 2,921
Stock Issued During Period, Shares, Acquisitions | shares | 139,347 |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 1,991 |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | $ 809 |  |  |  |  |
Mill Log Business [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Operating Income (Loss) |  |  | (1,374) | $ 1,139 |  |
Disposal Group, Including Discontinued Operation, Inventory |  | $ 6,298 |  |  |  |
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current |  | 592 |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  | 7,658 |  |  |  |
Proceeds from Sales of Business, Affiliate and Productive Assets |  | 5,158 |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration, Receivable |  | $ 2,500 |  |  |  |
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax, Total |  |  | $ 768 |  |  |

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