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Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Property and Equipment (Detail) | 12 Months Ended
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Sep. 25, 2021
Computer Equipment And Software Furniture And Fixtures And Test Equipment [Member] | Maximum [Member] |
Schedule Of Estimated Useful Lives Of Property And Equipment [Line Items] |
Property, Plant and Equipment, Useful Life | 5 years
Computer Equipment And Software Furniture And Fixtures And Test Equipment [Member] | Minimum [Member] |
Schedule Of Estimated Useful Lives Of Property And Equipment [Line Items] |
Property, Plant and Equipment, Useful Life | 3 years
Leasehold Improvements [Member] |
Schedule Of Estimated Useful Lives Of Property And Equipment [Line Items] |
Property, Plant and Equipment, Estimated Useful Lives | Shorter of estimated useful life or remaining term of the lease

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- Definition Schedule of estimated useful lives of property and equipment [Line Items]. + References No definition available. + Details
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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123364984&loc=d3e1205-110223 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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