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v3.25.1

Restructuring (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 29, 2025 USD ($) position | Mar. 30, 2024 USD ($) position | Dec. 30, 2023 USD ($) | Dec. 25, 2021 project | Mar. 29, 2025 USD ($) | Mar. 30, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Number of positions eliminated | 50 |  |  | 117 |  |
Severance costs | $ 5.0 |  |  |  |  |
Mobidiag |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Number of positions eliminated | position |  | 190 |  |  |  |
Severance costs |  |  | $ 1.8 |  | $ 11.9 |
Accelerated depreciation |  |  | 7.2 |  |  |
Lease asset impairment charges |  |  | $ 12.5 |  |  |
Expected cost | 15.7 |  |  |  | 15.7 |
Mobidiag | Facility Closing |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Severance costs | 0.7 |  |  |  | 2.4 |
Danbury closure |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Severance costs | 0.3 | $ 1.3 |  |  | 1.4 | $ 1.8
Expected cost | 9.0 |  |  |  | $ 9.0 |
Danbury closure | Facility Closing |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Restructuring costs | $ 1.1 |  |  |  |  |

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