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Segment Information (Reconciliation of Revenue from Segments to Consolidated) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Total sales	$ 350,081	$ 312,023	$ 660,993	$ 602,490
Operating Segments | Medical
Segment Reporting, Revenue Reconciling Item [Line Items]
Total sales	339,834	301,626	641,861	584,591
Operating Segments | Medical | Cardio & Vascular
Segment Reporting, Revenue Reconciling Item [Line Items]
Total sales	180,604	144,683	339,641	285,889
Operating Segments | Medical | Cardiac Rhythm Management & Neuromodulation
Segment Reporting, Revenue Reconciling Item [Line Items]
Total sales	135,945	133,660	259,269	255,363
Operating Segments | Medical | Advanced Surgical, Orthopedics & Portable Medical
Segment Reporting, Revenue Reconciling Item [Line Items]
Total sales	23,285	23,283	42,951	43,339
Operating Segments | Non-Medical
Segment Reporting, Revenue Reconciling Item [Line Items]
Total sales	$ 10,247	$ 10,397	$ 19,132	$ 17,899

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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