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GOODWILL AND INTANGIBLE ASSETS (Goodwill by Reportable Segment) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jul. 01, 2023 | Oct. 01, 2022
Goodwill [Roll Forward] |  |
Balance at October 1, 2022 | $ 68,096 |
Acquired in business combination | 27,975 |
Goodwill impairment | 9,794 |
Other | 3,014 |
Balance at July 1, 2023 | 89,291 |
Goodwill, cumulative impairment |  | $ 35,200
Ball Bonding Equipment |  |
Goodwill [Roll Forward] |  |
Balance at October 1, 2022 | 18,280 |
Acquired in business combination | 0 |
Goodwill impairment | 0 |
Other | 0 |
Balance at July 1, 2023 | 18,280 |
APS |  |
Goodwill [Roll Forward] |  |
Balance at October 1, 2022 | 25,907 |
Acquired in business combination | 0 |
Goodwill impairment | 0 |
Other | 294 |
Balance at July 1, 2023 | 26,201 |
All Others |  |
Goodwill [Roll Forward] |  |
Balance at October 1, 2022 | 23,909 |
Acquired in business combination | 27,975 |
Goodwill impairment | 9,794 |
Other | 2,720 |
Balance at July 1, 2023 | $ 44,810 |

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