Collaboration Agreements and Business Development Activities - Royalty Pharma (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2022	Jan. 02, 2026	Jan. 03, 2025	Dec. 29, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration agreement percent of royalty on net sale		3.00%
Collaborative Arrangements with Glaxo Smith Kline
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaboration agreement percent of royalty on net sale	3.00%
Collaborative Arrangements with Royalty Pharma
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty expense		$ 86.5	$ 75.5	$ 68.0