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Fair value measurement - Financial assets and liabilities carried at fair value measured on recurring basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Sep. 27, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Investments in marketable securities	$ 10,097		$ 19,186
Derivative assets	63,610		33,291
Derivative liabilities	1,460		1,140
Contingent consideration liabilities	44,022		9,814
Standard Bariatrics
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Contingent consideration liabilities		$ 38,800
Standard Bariatrics | Maximum
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Contingent consideration liabilities	130,000
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Investments in marketable securities	10,097		19,186
Derivative assets	0		0
Derivative liabilities	0		0
Contingent consideration liabilities	0		0
Significant Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring Basis [Line Items]
Investments in marketable securities	0		0
Derivative assets	63,610		33,291
Derivative liabilities	1,460		1,140
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	$ 44,022		$ 9,814

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Amount of liability recognized arising from contingent consideration in a business combination.

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