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BASIS OF PRESENTATION (Use of Estimates) (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Oct. 03, 2020 | Sep. 28, 2019 | Sep. 29, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Change in warranty reserve methodology | $ 5,417 | $ 0 | $ 0
Increase (decrease) in earnings per share, basic (in dollars per share) | $ 0.09 |  |
Increase (decrease) in earnings per share, diluted (in dollars per share) | $ 0.09 |  |

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