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Note 8 - Postretirement and Postemployment Benefits - Amounts Recognized in the Consolidated Balance Sheets (Details) - Other Postretirement Benefits Plan [Member] - USD ($) $ in Thousands | Sep. 27, 2020 | Sep. 29, 2019
--- | --- | ---
Assets for Plan Benefits, Defined Benefit Plan | $ 15,241 | $ 12,383
Postretirement benefit obligations | (37,172) | 0
Accumulated other comprehensive income (before income tax benefit) | $ 14,269 | $ 14,818

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