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Collaboration Agreements (Invenra Collaboration, Narrative) (Details) - Collaborative Arrangement With Invenra $ in Millions	12 Months Ended
	Jan. 01, 2021 USD ($)
Development and Regulatory Milestone
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Eligible payment from collaboration for development and regulatory milestone achievement under collaborations agreement	$ 131.5
Additional Development and Regulatory Milestone
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Project initiation fee	43.4
Product Commercialization
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Eligible payment from collaboration for development and regulatory milestone achievement under collaborations agreement	325.0
Discovery Project
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront and milestone payments	$ 2.0

X

- Definition

Eligible Payment From Collaboration For Development And Regulatory Milestone Achievement Under Collaborations Agreement

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No definition available.

+ Details

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X

- Definition

Project Initiation Fee Payment

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No definition available.

+ Details

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X

- Definition

Upfront and milestone payments.

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No definition available.

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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