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Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Revenue (Details) - USD ($) $ in Thousands	Jul. 05, 2026	Jun. 29, 2025	Jul. 05, 2026	Jun. 29, 2025	Dec. 28, 2025
Disaggregation of Revenue [Line Items]
Segment revenue	$ 729,688	$ 720,284	$ 1,440,806	$ 1,385,046
Unbilled Receivables	100,400		100,400		$ 105,600
Unbilled Receivables, Current	68,200		68,200		72,400
Unbilled Receivables, noncurrent	32,200		32,200		33,200
Deferred Revenue	239,800		239,800		224,800
Deferred Revenue, Current	174,300		174,300		159,300
Deferred Revenue, Noncurrent	65,500		65,500		65,500
Customer Deposits Received in Advance of Transfer of Control	$ 16,000		$ 16,000		$ 19,300
Remaining Performance Obligations			Transaction price allocated to the remaining performance obligationsThe Company applies the practical expedient and does not disclose information about remaining performance obligations that have original expected durations of one year or less. The estimated revenue expected to be recognized in the future related to performance obligations that are unsatisfied (or partially unsatisfied) at the end of the period are not material to the Company. The remaining performance obligations primarily include noncancelable purchase orders, noncancelable software subscriptions and cloud service contracts and long-term prepaid storage contracts.
Contract with Customer, Asset and Liability [Abstract]
Contract with Customer, Asset, Net, Current - Not Material	The Company had no material contract assets as of July 5, 2026 and December 28, 2025.
Americas [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	$ 325,583	323,580	$ 641,575	628,209
Europe [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	229,041	203,632	452,087	385,424
Asia [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	175,064	193,072	347,144	371,413
Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	370,989	354,386	720,262	678,753
Diagnostics [Member] \| Americas [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	142,008	126,509	272,449	246,859
Diagnostics [Member] \| Europe [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	139,563	119,334	270,914	225,104
Diagnostics [Member] \| Asia [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	89,418	108,543	176,899	206,790
Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	358,699	365,898	720,544	706,293
Life Sciences [Member] \| Americas [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	183,575	197,071	369,126	381,350
Life Sciences [Member] \| Europe [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	89,478	84,298	181,173	160,320
Life Sciences [Member] \| Asia [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	85,646	84,529	170,245	164,623
Life Sciences Solutions [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	301,028	298,052	601,024	584,505
Life Sciences Solutions [Member] \| Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	0	0	0	0
Life Sciences Solutions [Member] \| Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	301,028	298,052	601,024	584,505
Software [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	57,671	67,846	119,520	121,788
Software [Member] \| Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	0	0	0	0
Software [Member] \| Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	57,671	67,846	119,520	121,788
Reproductive health [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	156,231	135,568	303,673	262,373
Reproductive health [Member] \| Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	156,231	135,568	303,673	262,373
Reproductive health [Member] \| Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	0	0	0	0
Applied genomics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue		720,284		1,385,046
Immunodiagnostics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	214,758	218,818	416,589	416,380
Immunodiagnostics [Member] \| Diagnostics [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	214,758	218,818	416,589	416,380
Immunodiagnostics [Member] \| Life Sciences [Member]
Disaggregation of Revenue [Line Items]
Segment revenue	$ 0	$ 0	$ 0	$ 0