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GOODWILL AND INTANGIBLE ASSETS (Net intangible assets) (Details) - USD ($) $ in Thousands | Jul. 01, 2023 | Oct. 01, 2022
--- | --- | ---
Schedule Of Intangible Assets [Line Items] |  |
Net intangible assets | $ 31,418 | $ 31,939
In-process research and development |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | 459 | 0
Net intangible assets | 459 | 0
Developed technology |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | 99,614 | 89,017
Accumulated amortization | (65,861) | (58,636)
Impairment charges | (6,900) | 0
Net intangible assets | $ 26,853 | 30,381
Developed technology | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 6 years |
Developed technology | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 15 years |
Customer relationships |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | $ 37,259 | 33,515
Accumulated amortization | (35,217) | (33,515)
Net intangible assets | $ 2,042 | 0
Customer relationships | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 5 years |
Customer relationships | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 8 years |
Trade and brand name |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | $ 7,212 | 6,945
Accumulated amortization | (7,212) | (6,945)
Net intangible assets | $ 0 | 0
Trade and brand name | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 7 years |
Trade and brand name | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 8 years |
Other intangible assets |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | $ 5,634 | 4,700
Accumulated amortization | (3,570) | (3,142)
Net intangible assets | $ 2,064 | $ 1,558
Other intangible assets | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 1 year |
Other intangible assets | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 8 years |

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