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Acquisitions and divestitures (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	May 22, 2023	Feb. 27, 2023	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023	Jul. 12, 2022
Business Acquisition [Line Items]
Payments on long-term debt	$ 30,000
Impairments of assets					$ 33,901	$ 78,615
Loss on deconsolidation			$ 60,639	$ 60,639	$ 60,639	60,639
CartiHeal Ltd
Business Acquisition [Line Items]
Litigation settlement, amount awarded to other party		$ 10,150
CartiHeal Ltd
Business Acquisition [Line Items]
Percentage of business acquired							100.00%
CartiHeal Ltd | Deferred Consideration
Business Acquisition [Line Items]
Contingent consideration		215,000
CartiHeal Ltd | Sales Milestone
Business Acquisition [Line Items]
Contingent consideration		$ 135,000
Disposed of by Sale | Wound Business
Business Acquisition [Line Items]
Cash consideration	84,675
Closing amount	34,675
Deferred amount	$ 5,000
Deferral period	18 months
Earn-out payments	$ 45,000
Transactional fees	$ 3,880
Impairments of assets						78,615
Loss on deconsolidation				$ 340		$ 1,317
Discontinued Operations, Disposed of by Means Other than Sale | CartiHeal Ltd
Business Acquisition [Line Items]
Business acquisition, percentage of shares transferred to trustee		100.00%
Loss from discontinued operations, net of tax		$ 60,639

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