GOODWILL AND INTANGIBLE ASSETS (Net intangible assets) (Details) - USD ($) $ in Thousands	6 Months Ended
Apr. 01, 2023	Oct. 01, 2022
Schedule Of Intangible Assets [Line Items]
Net intangible assets	$ 39,892	$ 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	99,209	89,017
Accumulated amortization	(64,139)	(58,636)
Net intangible assets	$ 35,070	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	$ 37,156	33,515
Accumulated amortization	(35,048)	(33,515)
Net intangible assets	$ 2,108	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	$ 7,195	6,945
Accumulated amortization	(7,195)	(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	$ 5,618	4,700
Accumulated amortization	(3,363)	(3,142)
Net intangible assets	$ 2,255	$ 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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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.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 340
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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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