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Note 5 - Share-based Compensation and Post-retirement Benefits - Summary of Share-based Compensation Expense (Benefit) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 30, 2024 | Mar. 25, 2023 | Mar. 30, 2024 | Mar. 25, 2023
Employee share-based compensation | $ 1,353 | $ 1,147 | $ 2,512 | $ 2,247
The above compensation is net of tax benefits | 375 | 166 | 696 | 305
Share-Based Payment Arrangement, Option [Member] |  |  |  |
Employee share-based compensation | 364 | 559 | 727 | 1,179
Stock Purchase Plan [Member] |  |  |  |
Employee share-based compensation | 139 | 197 | 238 | 424
Stock Issued to Outside Directors [Member] |  |  |  |
Employee share-based compensation | 34 | 27 | 74 | 27
Restricted Stock Units (RSUs) [Member] |  |  |  |
Employee share-based compensation | 444 | 193 | 826 | 374
Performance Shares [Member] |  |  |  |
Employee share-based compensation | $ 372 | $ 171 | $ 647 | $ 243

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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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