Revenues - Revenues by Disaggregated Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2026	Jan. 03, 2025	Dec. 29, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 2,320,126	$ 2,168,701	$ 1,830,208
Gross product revenues
Disaggregation of Revenue [Line Items]
Total revenues	3,011,807	2,518,246	2,272,533
Discounts and allowances
Disaggregation of Revenue [Line Items]
Total revenues	(889,003)	(708,851)	(643,654)
Net product revenues
Disaggregation of Revenue [Line Items]
Total revenues	2,122,804	1,809,395	1,628,879
License revenues
Disaggregation of Revenue [Line Items]
Total revenues	214,375	349,244	178,635
Collaboration services revenues
Disaggregation of Revenue [Line Items]
Total revenues	(17,053)	10,062	22,694
Collaboration revenues
Disaggregation of Revenue [Line Items]
Total revenues	$ 197,322	$ 359,306	$ 201,329