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SEGMENT INFORMATION (Operating information by segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019
Net revenue: |  |
Revenues | $ 267,857 | $ 144,297
Income from operations: |  |
Income from operations | 54,042 | 13,414
Capital Equipment [Member] |  |
Net revenue: |  |
Revenues | 223,089 | 102,324
Income from operations: |  |
Income from operations | 44,895 | 2,708
Aftermarket Products and Services (APS) [Member] |  |
Net revenue: |  |
Revenues | 44,768 | 41,973
Income from operations: |  |
Income from operations | $ 9,147 | $ 10,706

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