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Collaboration Agreements And Business Development Activities - Ipsen Collaboration Narrative (Details) - Collaborative Arrangement with Ipsen $ in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
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Oct. 03, 2025 USD ($) | Sep. 27, 2024 USD ($) | Sep. 27, 2024 CAD ($) | Oct. 03, 2025 USD ($) | Sep. 27, 2024 USD ($) | Sep. 27, 2024 CAD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Revenue from contract with customer, regulatory milestone | $ 5.0 | $ 12.5 |  | $ 5.0 | $ 12.5 |
Revenue from contract with customer, commercial sales milestone |  |  |  |  | 150.0 |
Cumulative net sales milestone |  |  | $ 30.0 |  | 600.0 | $ 30.0
License revenues |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Revenue from contract with customer, regulatory milestone upon submission of application | 4.3 | 10.8 |  | 4.3 | 10.8 |
Revenue from contract with customer, commercial sales milestone |  | 2.2 |  |  | 2.2 |
Collaboration services revenues |  |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |  |
Revenue from contract with customer, regulatory milestone upon submission of application | $ 0.4 | $ 0.5 |  | $ 0.4 | $ 0.5 |

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- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
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