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Business Segment Information - Summary of Net Sales by Customer Class (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024
Revenue, Major Customer [Line Items]
Total net sales	$ 771,332	$ 708,529	$ 1,433,037	$ 1,345,368
Pharmaceutical [Member]
Revenue, Major Customer [Line Items]
Total net sales	461,968	415,747	853,019	789,954
Industrial [Member]
Revenue, Major Customer [Line Items]
Total net sales	237,655	221,385	441,020	416,719
Academic and government [Member]
Revenue, Major Customer [Line Items]
Total net sales	$ 71,709	$ 71,397	$ 138,998	$ 138,695

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