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GOODWILL AND INTANGIBLE ASSETS (Net intangible assets) (Details) - USD ($) $ in Thousands | Jun. 28, 2025 | Sep. 28, 2024
--- | --- | ---
Schedule Of Intangible Assets [Line Items] |  |
Gross carrying amount | $ 69,568 | $ 134,374
Accumulated amortization | (63,660) | (109,135)
Net amount | 5,908 | 25,239
In-process research and development |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross carrying amount | 459 | 459
Accumulated amortization | 0 | 0
Net amount | 459 | 459
Developed technology |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross carrying amount | 37,461 | 83,401
Accumulated amortization | (34,443) | (61,575)
Net amount | $ 3,018 | 21,826
Developed technology | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 6 years |
Developed technology | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 15 years |
Customer relationships |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross carrying amount | $ 21,430 | 37,625
Accumulated amortization | (19,921) | (35,916)
Net amount | $ 1,509 | 1,709
Customer relationships | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 5 years |
Customer relationships | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 8 years |
Trade and brand name |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross carrying amount | $ 4,600 | 7,272
Accumulated amortization | (4,600) | (7,272)
Net amount | $ 0 | 0
Trade and brand name | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 7 years |
Trade and brand name | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 8 years |
Other intangible assets |  |
Schedule Of Intangible Assets [Line Items] |  |
Gross carrying amount | $ 5,618 | 5,617
Accumulated amortization | (4,696) | (4,372)
Net amount | $ 922 | $ 1,245
Other intangible assets | Minimum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 1 year |
Other intangible assets | Maximum |  |
Schedule Of Intangible Assets [Line Items] |  |
Average estimated useful lives (in years) | 8 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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