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Fair value measurement - Financial Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 29, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investments in marketable securities | $ 33,279 | $ 39,559
Derivative assets | 95,423 | 27,415
Derivative liabilities | 114,838 | 13,584
Contingent consideration liabilities | 63,245 | 49,277
Palette |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Contingent consideration liabilities | 50,000 |
Standard Bariatrics |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Contingent consideration liabilities | 15,000 |
Maximum | Standard Bariatrics |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Contingent consideration liabilities | 65,000 |
Quoted prices in active markets (Level 1) |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investments in marketable securities | 33,279 | 39,559
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Contingent consideration liabilities | 0 | 0
Significant other observable Inputs (Level 2) |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investments in marketable securities | 0 | 0
Derivative assets | 95,423 | 27,415
Derivative liabilities | 114,838 | 13,584
Contingent consideration liabilities | 0 | 0
Significant unobservable Inputs (Level 3) |  |
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items] |  |
Investments in marketable securities | 0 | 0
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Contingent consideration liabilities | $ 63,245 | $ 49,277

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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