Financial instruments - Foreign Exchange Gains and Losses Recognized Within AOCI and the Interest Benefit Recognized Within Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange (loss) gain	$ 41,929	$ (14,232)	$ 68,218	$ (50,901)
Interest benefit			7,484	8,000
Cross-currency interest rate swaps \| Not designated as hedging instrument
Derivative Instruments, Gain (Loss) [Line Items]
Interest benefit	3,245	4,280	7,484	8,000
Cross-currency interest rate swaps \| Cash flow hedging
Derivative Instruments, Gain (Loss) [Line Items]
Foreign exchange (loss) gain	$ (61,063)	$ 5,297	$ (83,563)	$ 14,190

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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+ Details

- Definition

Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References + Details

TELEFLEX INC 10-Q