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Revenues - Revenues by Disaggregated Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2025	Sep. 27, 2024	Oct. 03, 2025	Sep. 27, 2024
Disaggregation of Revenue [Line Items]
Total revenues	$ 597,755	$ 539,542	$ 1,721,463	$ 1,601,946
Gross product revenues
Disaggregation of Revenue [Line Items]
Total revenues	780,272	646,419	2,247,263	1,814,495
Discounts and allowances
Disaggregation of Revenue [Line Items]
Total revenues	(237,342)	(168,360)	(671,036)	(520,332)
Net product revenues
Disaggregation of Revenue [Line Items]
Total revenues	542,930	478,059	1,576,227	1,294,163
License revenues
Disaggregation of Revenue [Line Items]
Total revenues	56,236	60,239	148,017	299,901
Collaboration services revenues
Disaggregation of Revenue [Line Items]
Total revenues	(1,411)	1,244	(2,781)	7,882
Collaboration revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ 54,825	$ 61,483	$ 145,236	$ 307,783

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