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Revenues - Revenues Disaggregated by Concentration Risks (Details) - Customer Concentration Risk	3 Months Ended		12 Months Ended
	Mar. 29, 2024	Mar. 31, 2023	Dec. 29, 2023
Affiliates of AmerisourceBergen Corporation | Revenue
Concentration Risk [Line Items]
Percent of total revenues	19.00%	17.00%
Affiliates of AmerisourceBergen Corporation | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	20.00%		17.00%
Affiliates of McKesson Corporation | Revenue
Concentration Risk [Line Items]
Percent of total revenues	18.00%	17.00%
Affiliates of McKesson Corporation | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	26.00%		21.00%
Affiliates of CVS Health Corporation | Revenue
Concentration Risk [Line Items]
Percent of total revenues	17.00%	17.00%
Affiliates of CVS Health Corporation | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	15.00%		20.00%
Accredo Health, Incorporated | Revenue
Concentration Risk [Line Items]
Percent of total revenues	12.00%	12.00%
Affiliates of Optum Specialty Pharmacy | Revenue
Concentration Risk [Line Items]
Percent of total revenues	10.00%	10.00%
Ipsen Pharma SAS | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	19.00%		19.00%
Cardinal Health, Inc. | Accounts Receivable
Concentration Risk [Line Items]
Percent of total revenues	10.00%		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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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