Collaboration Agreements And Business Development Activities - Research Collaborations and In-Licensing Arrangements Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 03, 2026	Apr. 04, 2025
Asset Acquisition [Line Items]
Research and development	$ 199,916	$ 212,233
Research Collaborations, In-Licensing Arrangements and Other Business Development Activities
Asset Acquisition [Line Items]
Research and development	7,900	$ 5,300
Collaborative arrangement, maximum aggregate development milestone payments	441,500
Collaborative arrangement, maximum aggregate regulatory milestone payments	278,000
Collaborative arrangement, rights and obligations, maximum aggregate commercial milestone payments	$ 2,500,000

Collaborative Arrangement, Rights And Obligations, Maximum Aggregate Commercial Milestone Payments

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- Definition

Collaborative Arrangement, Rights And Obligations, Maximum Aggregate Development Milestone Payments

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- Definition

Collaborative Arrangement, Rights And Obligations, Maximum Aggregate Regulatory Milestone Payments

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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