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Restructuring Charges - Additional Information (Details) $ in Millions | 3 Months Ended | 12 Months Ended | 24 Months Ended
--- | --- | --- | ---
Dec. 30, 2023 USD ($) location | Sep. 28, 2024 USD ($) position | Sep. 30, 2023 USD ($) | Sep. 24, 2022 USD ($) | Sep. 30, 2023 position
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  | $ 41.1 | $ 12.0 | $ 2.4 |
Various Locations |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance charges |  | $ 3.9 | 9.4 | 0.3 |
Number of positions eliminated | position |  | 34 |  |  | 128
Various Locations | Facility Closing |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | 0.5 |
Danbury, Connecticut |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance charges |  | $ 3.9 | $ 2.1 | $ 1.6 |
Expected cost |  | 8.6 |  |  |
Mobidiag |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Accelerated depreciation | $ 7.2 |  |  |  |
Other asset impairment charges | $ 12.5 |  |  |  |
Number of locations eliminated | location | 190 |  |  |  |
Severance charges | $ 1.8 | 11.9 |  |  |
Expected cost |  | $ 13.9 |  |  |

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