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Fair Value Measurements (Tables) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2022 | Mar. 26, 2022 | Dec. 31, 2021 | Sep. 25, 2021
Summary of Company's Financial Assets Measured At Fair Value On Recurring Basis |  | The following table presents the Company’s financial assets measured and recorded at fair value on a recurring basis using the above input categories as of March 26, 2022 and September 25, 2021 (in thousands):
|  | March 26, 2022 |  |  | September 25, 2021 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 227,629 |  |  | $ | — |  |  | $ | — |  |  | $ | 227,629 |  |  | $ | 152,204 |  |  | $ | — |  |  | $ | — |  |  | $ | 152,204 |
Total assets |  | $ | 227,629 |  |  | $ | — |  |  | $ | — |  |  | $ | 227,629 |  |  | $ | 152,204 |  |  | $ | — |  |  | $ | — |  |  | $ | 152,204 |
|  | The following table presents the Company’s financial assets measured and recorded at fair value on a recurring basis using the above input categories as of September 25, 2021 and September 26, 2020 (in thousands):
|  | Year Ended |
|  | September 25, 2021 |  |  | September 26, 2020 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 152,204 |  |  | $ | — |  |  | $ | — |  |  | $ | 152,204 |  |  | $ | 51,874 |  |  | $ | — |  |  | $ | — |  |  | $ | 51,874 |
Total assets |  | $ | 152,204 |  |  | $ | — |  |  | $ | — |  |  | $ | 152,204 |  |  | $ | 51,874 |  |  | $ | — |  |  | $ | — |  |  | $ | 51,874 |
SVF INVESTMENT CORP 3 [Member] |  |  |  |
Fair Value, Assets Measured on Recurring Basis | March 31, 2022:
Description |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Investments held in Trust Account—US Treasury securities |  | $ | 320,043,033 |  |  | $ | — |  |  | $ | — |
December 31, 2021:
Description |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Investments held in Trust Account—US Treasury securities |  | $ | 320,016,430 |  |  | $ | — |  |  | $ | — |
Transfers to/from Levels 1, 2, and 3 are recognized at the beginning of the reporting period. There were no transfers between levels of the hierarchy for three months ended March 31, 2022 and December 31, 2021. |  | The following table presents information about the Company’s assets that are measured at fair value on a recurring basis as of December 31, 2021 and indicates the fair value hierarchy of the valuation techniques that the Company utilized to determine such fair value.
Description |  | Quoted Prices in Active Markets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Other Unobservable Inputs (Level 3) |
Investments held in Trust Account—US Treasury securities |  | $ | 320,016,430 |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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