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SEGMENT INFORMATION (Operating information by segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 28, 2019 | Dec. 29, 2018
Net revenue: |  |
Revenues | $ 144,297 | $ 157,208
Income from operations: |  |
Income from operations | 13,414 | 14,555
Capital Equipment [Member] |  |
Net revenue: |  |
Revenues | 102,324 | 115,938
Income from operations: |  |
Income from operations | 2,708 | 5,130
Aftermarket Products and Services (APS) [Member] |  |
Net revenue: |  |
Revenues | 41,973 | 41,270
Income from operations: |  |
Income from operations | $ 10,706 | $ 9,425

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