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Business Segment Information - Summary of Net Sales by Customer Class (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Revenue, Major Customer [Line Items]
Total net sales	$ 740,305	$ 711,692	$ 2,085,673	$ 2,136,942
Pharmaceutical [Member]
Revenue, Major Customer [Line Items]
Total net sales	430,138	421,535	1,220,092	1,233,177
Industrial [Member]
Revenue, Major Customer [Line Items]
Total net sales	227,740	209,449	644,459	648,754
Academic and government [Member]
Revenue, Major Customer [Line Items]
Total net sales	$ 82,427	$ 80,708	$ 221,122	$ 255,011

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