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Business Segment Information - Summary of Net Sales by Customer Class (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Revenue, Major Customer [Line Items]                      
Total net sales $ 836,449 $ 659,233 $ 681,647 $ 608,545 $ 786,658 $ 593,784 $ 519,984 $ 464,939 $ 2,785,874 $ 2,365,365 $ 2,406,596
Pharmaceutical [Member]                      
Revenue, Major Customer [Line Items]                      
Total net sales                 1,667,061 1,386,966 1,365,275
Industrial [Member]                      
Revenue, Major Customer [Line Items]                      
Total net sales                 829,204 707,772 719,377
Academic and governmental [Member]                      
Revenue, Major Customer [Line Items]                      
Total net sales                 $ 289,609 $ 270,627 $ 321,944