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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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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

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Amount expected to be recognized in earnings for the specified restructuring cost.

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