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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 29, 2023 | Sep. 30, 2022 | Oct. 01, 2021
Foreign currency translation adjustment |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Pre-Tax Amount | $ 3,581 | $ 791 | $ 7,606
Tax Effect | 0 | 0 | 0
Net of Tax Effect | 3,581 | 791 | 7,606
Unrealized loss on available-for-sale securities |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Pre-Tax Amount | (163) | 0 | 0
Tax Effect | 42 | 0 | 0
Net of Tax Effect | (121) | 0 | 0
Unamortized loss on pension plans |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Pre-Tax Amount | (276) | (321) | (386)
Tax Effect | 139 | 150 | 166
Net of Tax Effect | (137) | (171) | (220)
Total Reclassifications for the Period |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |
Pre-Tax Amount | 3,142 | 470 | 7,220
Tax Effect | 181 | 150 | 166
Net of Tax Effect | $ 3,323 | $ 620 | $ 7,386

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