Balance Sheet Components - Finite-lived intangible assets, future amortization expense (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 01, 2022	Oct. 02, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 34,483
Accumulated Amortization	8,055
Net Carrying Value	26,384
Finite lived intangible assets, impact	(44)
In-process research and development and other intangible assets not subject to amortization, impact	(7,123)
In-process research and development and other intangible assets not subject to amortization, Net	64,680	$ 20,100
Intangible assets, gross carrying amount (excluding goodwill)	106,242
Intangible assets, net carrying value (excluding goodwill)	$ 91,064
Weighted-Average Remaining Life	5 years 6 months
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2023	$ 6,176
2024	5,963
2025	3,363
2026	3,033
2027 and thereafter	7,849
Net Carrying Value	26,384
In-process research and development and other intangible assets not subject to amortization
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	0
In-process research and development and other intangible assets not subject to amortization, impact	(7,079)
In-process research and development and other intangible assets not subject to amortization, Net	64,680
Indefinite-lived intangible assets (excluding goodwill)	71,759
Tradename
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	451
Accumulated Amortization	23
Net Carrying Value	384
Finite lived intangible assets, impact	$ (44)
Weighted-Average Remaining Life	5 years 6 months
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	$ 384
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	34,032
Accumulated Amortization	8,032
Net Carrying Value	26,000
Finite lived intangible assets, impact	$ 0
Weighted-Average Remaining Life	5 years 6 months
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Net Carrying Value	$ 26,000

Finite-Lived Intangible Asset, Expected Amortization, After Year Four

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Finite lived intangible assets gross excluding goodwill impact.

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Indefinite lived intangible assets excluding goodwill impact.

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Indefinite lived intangible assets excluding goodwill net.

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of 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.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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