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Segment Information (Reconciliation of Operating Profit (Loss) 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 Information [Line Items] |  |  |  |
Operating income | $ 32,707 | $ 39,350 | $ 55,204 | $ 73,958
Unallocated expenses, net | (8,284) | (8,572) | (16,833) | (18,202)
Income before taxes | 24,423 | 30,778 | 38,371 | 55,756
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | 56,205 | 59,795 | 101,018 | 115,322
Operating Segments | Medical |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | 54,580 | 56,439 | 98,728 | 111,964
Operating Segments | Non-Medical |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | 1,625 | 3,356 | 2,290 | 3,358
Segment Reconciling Items |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Operating income | $ (23,498) | $ (20,445) | $ (45,814) | $ (41,364)

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