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Disposition - Additional Information (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 29, 2023 | Sep. 30, 2023 | Jul. 01, 2023 | Sep. 28, 2024 | Sep. 30, 2023 | Sep. 24, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Impairment of intangible assets and equipment |  |  | $ 186.9 | $ 5.6 | $ 44.3 | $ 27.7
Disposed of by Sale | SSI Ultrasound Imaging Business |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Sales price | $ 1.9 |  |  |  |  |
Cash divested from deconsolidation | 33.2 |  |  |  |  |
Impairment of intangible assets and equipment |  | $ 51.7 |  |  |  |
Valuation allowance | $ 50.6 | $ 50.6 |  |  | $ 50.6 |

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