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GOODWILL AND INTANGIBLE ASSETS (Net intangible assets) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jul. 02, 2022 | Oct. 02, 2021
Schedule Of Intangible Assets [Line Items] |  |
Net intangible assets | $ 35,291 | $ 42,752
In-process research and development |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | 0 | 8,795
Accumulated amortization | 0 | 0
Net intangible assets | 0 | 8,795
Intangible assets increase (decrease) | (7,900) |
Developed technology |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | 92,573 | 90,427
Accumulated amortization | (58,932) | (58,494)
Net intangible assets | 33,641 | 31,933
Intangible assets increase (decrease) | $ 7,900 |
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 | $ 34,421 | 36,114
Accumulated amortization | (34,421) | (36,114)
Net intangible assets | $ 0 | 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 | 6 years |
Trade and brand name |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross intangible assets | $ 7,095 | 7,374
Accumulated amortization | (7,095) | (7,275)
Net intangible assets | $ 0 | 99
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 | $ 4,700 | 4,700
Accumulated amortization | (3,050) | (2,775)
Net intangible assets | $ 1,650 | $ 1,925
Other intangible assets | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 1 year 10 months 24 days |
Other intangible assets | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Estimated useful life | 6 years |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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