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Revenues - Revenues Disaggregated by Significant Customer (Details) - Customer concentration risk	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Dec. 31, 2021
Affiliates of AmerisourceBergen Corporation | Sales revenue, net
Concentration Risk [Line Items]
Percent of total revenues	17.00%	18.00%	14.00%
Affiliates of AmerisourceBergen Corporation | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	17.00%	18.00%
Affiliates of McKesson Corporation | Sales revenue, net
Concentration Risk [Line Items]
Percent of total revenues	17.00%	17.00%	14.00%
Affiliates of McKesson Corporation | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	21.00%	22.00%
Affiliates of CVS Health Corporation | Sales revenue, net
Concentration Risk [Line Items]
Percent of total revenues	17.00%	17.00%	14.00%
Affiliates of CVS Health Corporation | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	20.00%	18.00%
Accredo Health, Incorporated | Sales revenue, net
Concentration Risk [Line Items]
Percent of total revenues	12.00%	10.00%	9.00%
Affiliates of Optum Specialty Pharmacy | Sales revenue, net
Concentration Risk [Line Items]
Percent of total revenues	10.00%	10.00%	8.00%
Ipsen Pharma SAS | Sales revenue, net
Concentration Risk [Line Items]
Percent of total revenues	8.00%	10.00%	21.00%
Ipsen Pharma SAS | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	19.00%	20.00%
Cardinal Health, Inc. | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	11.00%	11.00%

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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.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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